1999 Commercial Buildings Energy Consumption Survey 

Detailed Tables 

Building Characteristics Relative Standard Error (RSE) Tables 

RSEs for Table B1. Summary Table: Totals and Means of Floorspace, Number 

of Workers, and Hours of Operation................................................................ 241

RSEs for Table B2. Summary Table: Totals and Medians of Floorspace, 

Number of Workers, Hours of Operation, and Age of Building ..................... 246

RSEs for Table B3. Census Region, Number of Buildings and Floorspace............. 251

RSEs for Table B4. Census Region and Division, Number of Buildings................. 254

RSEs for Table B5. Census Region and Division, Floorspace................................ 257

RSEs for Table B6. Building Size, Number of Buildings........................................ 260

RSEs for Table B7. Building Size, Floorspace......................................................... 264

RSEs for Table B8. Year Constructed, Number of Buildings.................................. 268

RSEs for Table B9. Year Constructed, Floorspace................................................... 272

RSEs for Table B10. Employment Size Category, Number of Buildings................ 276

RSEs for Table B11. Employment Size Category, Floorspace ................................ 280

RSEs for Table B12. Occupancy of Nongovernment-Owned and GovernmentOwned Buildings, Number of Buildings ......................................................... 284

RSEs for Table B13. Occupancy of Nongovernment-Owned and GovernmentOwned Buildings, Floorspace.......................................................................... 289

RSEs for Table B14. Number of Establishments in Building, Number of 

Buildings................................................................................................................... 294

RSEs for Table B15. Number of Establishments in Building, Floorspace............... 297

RSEs for Table B16. Multibuilding Facilities, Number of Buildings and 

Floorspace................................................................................................................. 300

RSEs for Table B17. Energy Sources, Number of Buildings................................... 302

RSEs for Table B18. Energy Sources, Floorspace ................................................... 304

RSEs for Table B19. Energy End Uses, Number of Buildings and Floorspace ....... 306

RSEs for Table B20. Space-Heating Energy Sources, Number of Buildings .......... 308

RSEs for Table B21. Space-Heating Energy Sources, Floorspace........................... 311

RSEs for Table B22. Primary Space-Heating Energy Sources, Number of 

Buildings................................................................................................................... 314

RSEs for Table B23. Primary Space-Heating Energy Sources, Floorspace ............. 316

RSEs for Table B24. Cooling Energy Sources, Number of Buildings and 

Floorspace................................................................................................................. 318

RSEs for Table B25. Water-Heating Energy Sources, Number of Buildings.......... 321

Energy Information Administration 

1999 Commercial Buildings Energy Consumption Survey: Detailed Tables Contents i
RSEs for Table B26. Water-Heating Energy Sources, Floorspace........................... 323

RSEs for Table B27. Cooking Energy Sources, Number of Buildings and 

Floorspace................................................................................................................. 325

RSEs for Table B28. Percent of Floorspace Heated, Number of Buildings and 

Floorspace................................................................................................................. 327

RSEs for Table B29. Percent of Floorspace Cooled, Number of Buildings and 

Floorspace................................................................................................................. 330

RSEs for Table B30. Percent of Floorspace Lit When Open, Number of 

Buildings and Floorspace................................................................................. 333

RSEs for Table B31. Heated, Cooled, and Lit Buildings, Floorspace...................... 336

RSEs for Table B32. Heating Equipment, Number of Buildings............................. 340

RSEs for Table B33. Heating Equipment, Floorspace ............................................. 344

RSEs for Table B34. Cooling Equipment, Number of Buildings............................. 348

RSEs for Table B35. Cooling Equipment, Floorspace ............................................. 351

RSEs for Table B36. Refrigeration Equipment, Number of Buildings and 

Floorspace................................................................................................................. 354

RSEs for Table B37. Water Heating Equipment, Number of Buildings and 

Floorspace................................................................................................................. 356

RSEs for Table B38. Lighting Equipment, Number of Buildings............................ 358

RSEs for Table B39. Lighting Equipment, Floorspace ............................................ 361

Energy Information Administration 

1999 Commercial Buildings Energy Consumption Survey: Detailed Tables Contents ii
RSEs for

All Buildings

RSEs for

 Total 

Floorspace

RSEs for 

Total Workers 

in All 

Buildings

RSEs for 

Mean Square 

Feet per 

Building

RSEs for 

Mean Square 

Feet per 

Worker

RSEs for 

Mean Hours 

per Week

All Buildings ................................................ 4.2 3.5 4.6 3.6 3.2 2.3

Building Floorspace

(Square Feet)

1,001 to 5,000 ............................................... 6.8 6.1 10.1 2.6 7.5 4.1

5,001 to 10,000 ............................................. 6.7 7.1 10.7 1.4 10.7 4.5

10,001 to 25,000 ........................................... 7.1 6.8 8.4 1.5 7.1 3.9

25,001 to 50,000 ........................................... 6.9 6.8 7.8 1.1 4.5 2.9

50,001 to 100,000 ......................................... 10.3 10.2 13.0 1.0 6.6 2.7

100,001 to 200,000 ....................................... 6.3 6.4 7.9 1.4 5.3 2.5

200,001 to 500,000 ....................................... 6.5 6.6 9.2 1.9 8.3 3.4

Over 500,000 ................................................ 10.7 11.1 12.2 2.5 9.5 5.3

Principal Building Activity

Education ...................................................... 12.3 6.2 8.8 11.1 8.2 4.3

Food Sales .................................................... 17.2 16.0 12.5 12.2 11.1 6.1

Food Service ................................................. 9.3 9.7 14.0 6.6 9.2 3.9

Health Care ................................................... 17.6 7.6 10.2 16.9 7.4 7.8

 Inpatient ...................................................... 25.6 9.9 10.2 31.7 6.3 1.1

 Outpatient .................................................... 19.1 10.3 18.3 16.1 13.3 8.0

Lodging ......................................................... 11.4 11.0 11.9 11.4 12.0 4.6

Mercantile ...................................................... 9.1 8.8 9.8 8.3 6.9 3.9

 Retail (Other Than Mall) .............................. 10.8 10.7 16.2 8.9 14.4 4.6

 Enclosed and Strip Malls ............................ 17.7 10.3 10.7 16.2 6.6 5.4

Office ............................................................. 8.3 6.9 7.8 7.7 3.4 3.0

Public Assembly ............................................ 13.5 10.8 25.5 10.5 18.7 9.8

Public Order and Safety ................................ 28.1 22.2 28.2 15.8 18.7 16.8

Religious Worship ......................................... 12.1 12.0 14.8 9.3 13.4 14.7

Service .......................................................... 12.8 11.8 16.4 10.4 10.3 4.6

Warehouse and Storage ............................... 12.4 9.4 16.1 9.6 12.3 9.6

Other ............................................................. 22.0 13.6 22.4 19.6 17.2 15.5

Vacant ........................................................... 14.5 12.2 47.1 9.2 70.1 55.9

Year Constructed

1919 or Before .............................................. 11.3 7.2 17.2 10.3 16.6 6.5

1920 to 1945 ................................................. 10.9 9.0 10.9 9.8 13.1 7.2

1946 to 1959 ................................................. 6.7 7.7 9.2 5.9 6.5 5.7

1960 to 1969 ................................................. 7.4 6.2 8.0 6.3 5.7 6.0

1970 to 1979 ................................................. 8.1 5.8 7.6 7.0 5.7 4.5

1980 to 1989 ................................................. 7.4 6.1 7.4 6.6 5.2 4.0

1990 to 1999 ................................................. 12.9 6.3 8.0 9.5 5.0 7.5

Floors

One ............................................................... 5.4 4.9 6.2 4.2 5.2 3.2

Two ............................................................... 7.4 6.1 8.2 6.1 5.4 4.7

Three ............................................................. 9.0 7.4 11.2 7.3 9.3 4.4

Four to Nine .................................................. 9.8 5.7 7.8 10.3 5.2 8.9

Ten or More ................................................... 12.7 10.7 10.2 8.3 8.0 6.2

Census Region and Division

Northeast ....................................................... 8.0 7.7 8.1 7.0 6.8 6.3

 New England ............................................... 15.4 9.4 9.3 15.5 8.7 11.5

 Middle Atlantic ............................................. 8.8 9.5 9.8 8.2 9.1 7.7

Midwest ......................................................... 9.7 5.0 9.9 7.2 7.2 5.6

 East North Central ...................................... 12.6 5.3 11.9 10.1 8.9 7.3

 West North Central ..................................... 15.0 9.4 15.5 9.9 11.7 9.8

South ............................................................. 5.6 5.3 7.5 5.7 5.6 3.2

 South Atlantic .............................................. 11.8 9.1 9.3 9.9 5.2 4.9

 East South Central ...................................... 8.2 8.6 7.3 7.5 7.3 9.8

 West South Central ..................................... 5.9 7.4 18.0 9.7 14.0 4.5

West .............................................................. 10.8 6.0 6.2 8.3 4.4 4.4

 Mountain ..................................................... 11.1 10.8 7.9 9.3 8.3 13.8

 Pacific ......................................................... 15.9 7.6 8.3 12.6 4.8 5.2

RSEs for Table B1. Summary Table: Totals and Means of Floorspace, 

Number of Workers, and Hours of Operation, 1999

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 241
RSEs for

All Buildings

RSEs for

 Total 

Floorspace

RSEs for 

Total Workers 

in All 

Buildings

RSEs for 

Mean Square 

Feet per 

Building

RSEs for 

Mean Square 

Feet per 

Worker

RSEs for 

Mean Hours 

per Week

RSEs for Table B1. Summary Table: Totals and Means of Floorspace, 

Number of Workers, and Hours of Operation, 1999

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7000 HDD .................................. 19.0 10.5 10.5 9.5 4.9 8.2

 5500-7000 HDD .......................................... 7.0 7.1 9.4 5.2 7.7 6.8

 4000-5499 HDD .......................................... 16.8 9.1 9.1 10.7 5.9 6.2

 Fewer than 4000 HDD ................................ 10.9 8.9 9.3 9.0 4.8 5.4

2,000 CDD or More and --

 Fewer than 4000 HDD ................................ 11.1 9.4 12.9 7.2 9.3 4.1

Workers (main shift)

Fewer than 5 ................................................. 6.0 6.3 6.8 4.6 6.7 4.1

5 to 9 ............................................................. 7.9 7.6 8.1 6.2 6.0 3.0

10 to 19 ......................................................... 7.6 6.7 6.8 6.5 6.0 3.6

20 to 49 ......................................................... 9.0 6.6 8.7 5.4 5.3 5.1

50 to 99 ......................................................... 10.7 8.9 10.9 7.4 7.4 3.9

100 to 249 ..................................................... 11.7 7.2 10.5 9.8 7.9 4.0

250 or More ................................................... 8.6 6.3 7.1 7.6 5.6 3.3

Weekly Operating Hours

39 or Fewer ................................................... 10.3 9.8 17.5 5.9 16.9 8.8

40 to 48 ......................................................... 5.9 6.1 7.5 5.5 6.8 0.4

49 to 60 ......................................................... 8.2 6.1 7.4 7.8 6.2 0.5

61 to 84 ......................................................... 9.6 6.1 8.6 7.4 5.0 0.6

85 to 167 ....................................................... 7.7 7.0 7.8 7.3 5.9 1.0

Open Continuously ........................................ 10.4 5.0 6.9 9.3 6.3 0.0

Ownership and Occupancy

Nongovernment Owned ................................ 4.5 4.2 5.6 3.9 3.7 2.4

 Owner Occupied ......................................... 5.4 4.5 6.2 4.5 4.8 2.8

 Nonowner Occupied .................................... 5.8 6.4 8.3 6.2 5.3 3.1

 Unoccupied ................................................. 17.1 14.6 0.0 11.9 0.0 0.0

Government Owned ...................................... 9.0 4.6 7.0 7.2 5.5 5.6

Vacancy Status

Completely Vacant ........................................ 20.7 14.5 0.0 13.7 0.0 0.0

Mostly Vacant ................................................ 22.9 20.0 47.1 14.4 67.6 52.8

Partially Vacant ............................................. 7.3 6.2 7.6 8.0 7.4 6.8

Not At All Vacant ........................................... 4.4 3.4 4.9 3.7 3.3 2.2

Number of Establishments

One ............................................................... 4.7 3.5 5.6 4.1 4.1 2.6

2 to 5 ............................................................. 9.4 6.5 9.7 8.0 7.7 3.0

6 to 10 ........................................................... 15.0 10.1 12.9 11.7 6.7 7.7

11 to 20 ......................................................... 16.8 12.1 11.9 12.0 8.0 3.9

More than 20 ................................................. 25.4 10.2 10.5 20.1 8.6 9.5

Currently Unoccupied .................................... 16.4 13.5 0.0 11.3 0.0 0.0

Energy Sources (more than

one may apply)

Electricity ....................................................... 4.1 3.5 4.6 3.6 3.2 2.3

Natural Gas ................................................... 4.8 3.9 5.4 4.2 3.7 2.5

Fuel Oil .......................................................... 16.7 6.9 7.3 14.0 5.7 7.7

District Heat .................................................. 15.5 9.9 11.3 11.6 7.7 7.8

District Chilled Water .................................... 27.2 12.1 15.8 21.8 8.5 13.8

Propane ......................................................... 15.0 10.9 14.2 9.3 11.4 7.6

Wood ............................................................. 28.8 28.2 31.2 22.7 16.4 9.2

Coal ............................................................... 53.4 40.8 53.9 46.4 66.6 4.3

Solar .............................................................. 51.2 25.9 36.5 75.9 20.5 28.5

Other ............................................................. 24.1 16.6 26.8 24.6 32.0 8.3

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 242
RSEs for

All Buildings

RSEs for

 Total 

Floorspace

RSEs for 

Total Workers 

in All 

Buildings

RSEs for 

Mean Square 

Feet per 

Building

RSEs for 

Mean Square 

Feet per 

Worker

RSEs for 

Mean Hours 

per Week

RSEs for Table B1. Summary Table: Totals and Means of Floorspace, 

Number of Workers, and Hours of Operation, 1999

Space-Heating Energy Sources

(more than one may apply)

Electricity ....................................................... 5.1 4.1 5.7 5.0 3.8 3.1

Natural Gas ................................................... 5.4 4.2 5.9 4.6 3.8 2.8

Fuel Oil .......................................................... 19.2 10.7 9.6 11.6 6.6 9.2

District Heat .................................................. 16.5 9.9 11.0 12.9 8.0 8.2

Propane ......................................................... 18.3 18.0 21.3 10.2 13.6 11.1

Wood ............................................................. 32.5 33.9 43.1 23.7 22.1 10.9

Coal ............................................................... 53.4 40.8 53.9 46.4 66.6 4.3

Solar .............................................................. 47.5 45.2 58.8 32.9 29.6 21.1

Other ............................................................. 45.7 35.9 43.9 49.0 36.8 12.5

Primary Space-Heating

Energy Source

Electricity ....................................................... 7.1 5.5 6.8 6.4 5.1 3.5

Natural Gas ................................................... 6.0 4.4 6.5 5.0 4.1 2.9

Fuel Oil .......................................................... 18.8 12.4 11.2 10.9 9.6 10.6

District Heat .................................................. 16.2 10.3 11.4 13.0 8.1 8.4

Propane ......................................................... 19.1 19.5 22.8 11.4 17.7 12.3

Wood ............................................................. 42.0 42.2 51.1 16.3 52.7 23.3

Coal ............................................................... 73.4 42.8 55.8 177.3 70.1 13.9

Solar............................................................... 0.0 0.0 0.0 0.0 0.0 0.0

Other ............................................................. 59.3 50.1 41.3 24.7 31.4 9.9

Cooling Energy Sources

(more than one may apply)

Electricity ....................................................... 4.0 4.0 4.8 3.5 3.1 1.9

Natural Gas ................................................... 18.3 12.2 16.9 14.0 11.6 11.7

District Chilled Water .................................... 27.2 12.1 15.8 21.8 8.5 13.8

Water-Heating Energy Sources

(more than one may apply)

Electricity ....................................................... 6.0 5.5 5.6 5.4 4.1 3.0

Natural Gas ................................................... 6.1 4.4 6.9 5.1 4.7 2.6

Fuel Oil .......................................................... 20.3 11.5 13.8 17.0 14.8 14.5

District Heat .................................................. 17.3 10.8 11.5 14.4 7.3 8.9

Propane ......................................................... 18.9 17.3 22.4 19.3 25.6 10.1

Cooking Energy Sources

(more than one may apply)

Electricity ....................................................... 8.1 5.2 6.1 7.3 4.3 4.0

Natural Gas ................................................... 8.2 5.1 5.8 8.1 4.3 3.7

Propane ......................................................... 22.3 16.8 20.3 19.1 10.6 10.5

Energy End Uses (more than

one may apply)

Buildings with Space Heating ....................... 4.2 3.5 4.4 3.9 2.8 2.3

Buildings with Cooling ................................... 3.9 3.8 4.8 3.5 3.1 2.0

Buildings with Water Heating ........................ 4.4 3.7 4.7 3.7 3.2 2.1

Buildings with Cooking .................................. 5.8 4.4 4.9 6.0 3.9 3.4

Buildings with Manufacturing ........................ 16.7 12.7 17.9 14.8 11.6 10.0

Buildings with Electricity

 Generation ................................................... 14.2 7.4 8.0 14.6 7.3 7.3

Percent of Floorspace Heated

Not Heated .................................................... 10.5 11.3 23.4 7.0 17.8 10.4

1 to 50 ........................................................... 10.9 8.0 14.4 7.7 11.1 7.2

51 to 99 ......................................................... 8.2 7.1 7.9 6.4 5.7 5.2

100 ................................................................ 4.8 4.0 4.8 4.1 3.1 2.4

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 243
RSEs for

All Buildings

RSEs for

 Total 

Floorspace

RSEs for 

Total Workers 

in All 

Buildings

RSEs for 

Mean Square 

Feet per 

Building

RSEs for 

Mean Square 

Feet per 

Worker

RSEs for 

Mean Hours 

per Week

RSEs for Table B1. Summary Table: Totals and Means of Floorspace, 

Number of Workers, and Hours of Operation, 1999

Percent of Floorspace Cooled

Not Cooled .................................................... 10.4 8.8 14.7 7.0 12.0 7.1

1 to 50 ........................................................... 9.1 6.9 11.4 6.1 7.6 3.3

51 to 99 ......................................................... 6.9 4.5 7.3 5.8 4.9 5.1

100 ................................................................ 4.5 5.2 5.4 5.4 3.9 3.0

Percent Lit When Open

Zero ............................................................... 49.1 32.5 57.8 25.3 42.5 20.6

1 to 50 ........................................................... 9.0 8.1 10.6 5.6 7.5 4.8

51 to 99 ......................................................... 6.4 4.9 7.7 4.9 5.3 3.9

100 ................................................................ 5.8 4.2 4.9 5.2 3.6 2.9

Building Never Open/

 Electricity Not Used ...................................... 13.0 12.9 49.8 8.1 42.6 32.0

Percent Lit When Closed

Zero ............................................................... 6.2 5.9 9.0 4.6 6.9 3.7

1 to 50 ........................................................... 4.9 4.7 5.2 5.1 3.7 1.8

51 to 100 ....................................................... 16.3 10.0 12.7 15.4 7.2 8.5

Building Never Closed/

 Electricity Not Used ...................................... 9.3 4.7 6.9 7.9 6.4 4.4

Heating Equipment (more

than one may apply)

Heat Pumps .................................................. 10.5 6.3 7.7 9.3 5.6 4.8

Furnaces ....................................................... 7.4 5.5 8.7 5.0 6.6 4.1

Individual Space Heaters .............................. 6.7 5.0 7.6 6.0 6.1 4.0

District Heat .................................................. 16.5 9.9 11.0 12.9 8.0 8.2

Boilers ........................................................... 7.9 5.6 6.7 6.8 5.4 4.9

Packaged Heating Units ............................... 6.3 4.8 5.6 5.1 3.2 4.1

Other ............................................................. 15.1 7.9 11.8 15.2 11.0 9.1

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners ........................................... 10.3 6.8 10.6 8.6 9.9 4.4

Heat Pumps .................................................. 10.4 6.5 7.6 9.2 4.8 4.6

Individual Air Conditioners ............................ 8.0 5.9 9.7 6.3 7.8 3.9

District Chilled Water .................................... 27.2 12.1 15.8 21.8 8.5 13.8

Central Chillers ............................................. 14.5 6.0 7.1 11.9 6.0 5.5

Packaged Air Conditioning

 Units ............................................................. 4.7 4.0 5.1 4.1 3.0 3.2

Swamp Coolers ............................................. 17.0 17.5 17.4 12.5 10.1 8.5

Other ............................................................. 29.6 16.3 14.5 25.7 11.5 16.5

Main Equipment Replaced Since

1995 (more than one may apply)

Heating .......................................................... 6.8 7.6 8.6 6.0 5.2 3.4

Cooling .......................................................... 5.9 5.5 8.3 4.5 6.9 2.2

Lighting Equipment Types

(more than one may apply)

Incandescent ................................................. 4.9 4.2 5.9 4.1 4.3 2.8

Standard Fluorescent .................................... 4.1 3.5 4.6 3.7 3.3 2.1

Compact Fluorescent .................................... 9.0 5.7 6.9 6.9 3.4 4.1

High Intensity Discharge ............................... 10.9 5.4 5.9 8.0 3.9 3.6

Halogen ......................................................... 9.1 4.4 6.3 8.7 4.4 3.5

Other ............................................................. 32.3 14.6 23.2 35.3 19.3 11.7

Water Heating Equipment

Centralized System ....................................... 5.0 4.1 5.3 4.4 3.7 2.4

Distributed System ........................................ 9.5 7.3 7.7 6.9 6.1 3.5

Combination of Centralized

 and Distributed System ................................ 11.0 5.5 7.4 9.7 5.3 5.3

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 244
RSEs for

All Buildings

RSEs for

 Total 

Floorspace

RSEs for 

Total Workers 

in All 

Buildings

RSEs for 

Mean Square 

Feet per 

Building

RSEs for 

Mean Square 

Feet per 

Worker

RSEs for 

Mean Hours 

per Week

RSEs for Table B1. Summary Table: Totals and Means of Floorspace, 

Number of Workers, and Hours of Operation, 1999

Personal Computers

None .............................................................. 7.0 6.3 11.1 4.9 10.7 5.9

1 to 4 ............................................................. 7.2 6.4 11.3 5.1 8.9 2.8

5 to 9 ............................................................. 8.1 7.9 9.0 6.4 6.6 3.2

10 to 19 ......................................................... 11.6 8.4 11.1 8.0 9.3 4.0

20 to 49 ......................................................... 11.1 7.4 9.3 8.7 6.3 7.1

50 to 99 ......................................................... 11.0 7.1 8.5 7.9 5.6 4.2

100 to 249 ..................................................... 8.8 7.7 9.4 6.2 5.9 4.5

250 or More ................................................... 8.5 6.2 7.4 6.8 4.5 3.5

Photocopiers

None .............................................................. 5.4 5.2 8.2 3.8 7.3 3.5

One ............................................................... 6.8 6.4 8.0 5.0 5.8 3.5

2 to 4 ............................................................. 7.9 5.5 7.6 6.3 5.4 5.7

5 to 9 ............................................................. 17.7 7.6 12.3 15.5 7.9 3.9

10 or More ..................................................... 12.0 6.3 7.0 9.1 3.6 3.3

Other Electronic Equipment

(more than one may apply)

Laser Printers ................................................ 5.1 4.2 5.4 4.1 3.3 2.9

FAX Machines ............................................... 5.1 3.8 5.1 4.2 3.0 2.0

Medical Diagnostic Equipment ...................... 19.8 7.9 11.0 19.6 7.9 9.4

Energy-Related Space Functions

(more than one may apply)

Commercial Food Preparation ...................... 5.8 4.5 5.0 6.1 4.0 3.4

Activities with Large

 Amounts of Hot Water ................................. 6.3 4.0 5.0 4.9 4.1 2.2

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ..................................... 6.5 4.5 5.1 5.2 3.1 3.7

Tinted, Reflective, or

 Shading Glass .............................................. 5.7 4.8 5.4 5.6 3.6 3.4

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ......................... 9.8 5.4 6.7 9.0 4.2 3.1

Economizer Cycle ......................................... 8.2 5.2 6.4 7.2 3.8 4.5

HVAC Maintenance ...................................... 4.8 3.9 4.8 4.0 2.6 2.4

Energy Management and

 Control System (EMCS) ............................... 10.3 5.4 6.1 8.7 3.3 4.5

Lighting Conservation Features

(more than one may apply)

Specular Reflectors ....................................... 8.8 6.0 6.3 7.9 3.2 4.2

Electronic Ballasts ......................................... 5.3 3.9 4.7 4.5 2.9 2.6

Skylights or Atriums ...................................... 8.6 5.8 6.4 8.4 5.2 5.1

Off-Hour Equipment Reduction

(more than one may apply)

Heating .......................................................... 5.0 4.0 4.5 4.9 3.5 1.8

Cooling .......................................................... 4.3 4.4 5.2 4.3 4.1 1.9

Lighting .......................................................... 4.4 4.0 4.7 4.0 3.6 1.6

Office Equipment .......................................... 8.5 6.1 8.1 8.6 5.9 2.7

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 245
Median 

Square Feet 

per Building 

Median 

Square Feet 

per Worker

Median Hours 

per Week

Median Age of

Buildings 

All Buildings ............................................... 4.2 3.5 4.6 _ _ _ _

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 6.1 10.1 ____

5,001 to 10,000 ............................................ 6.7 7.1 10.7 ____

10,001 to 25,000 .......................................... 7.1 6.8 8.4 ____

25,001 to 50,000 .......................................... 6.9 6.8 7.8 ____

50,001 to 100,000 ........................................ 10.3 10.2 13.0 ____

100,001 to 200,000 ...................................... 6.3 6.4 7.9 ____

200,001 to 500,000 ...................................... 6.5 6.6 9.2 ____

Over 500,000 ............................................... 10.7 11.1 12.2 ____

Principal Building Activity

Education .................................................... 12.3 6.2 8.8 ____

Food Sales .................................................. 17.2 16.0 12.5 ____

Food Service ............................................... 9.3 9.7 14.0 ____

Health Care ................................................. 17.6 7.6 10.2 ____

 Inpatient ..................................................... 25.6 9.9 10.2 ____

 Outpatient .................................................. 19.1 10.3 18.3 ____

Lodging ........................................................ 11.4 11.0 11.9 ____

Mercantile .................................................... 9.1 8.8 9.8 ____

 Retail (Other Than Mall) ............................ 10.8 10.7 16.2 ____

 Enclosed and Strip Malls ........................... 17.7 10.3 10.7 ____

Office ........................................................... 8.3 6.9 7.8 ____

Public Assembly .......................................... 13.5 10.8 25.5 ____

Public Order and Safety .............................. 28.1 22.2 28.2 ____

Religious Worship ....................................... 12.1 12.0 14.8 ____

Service ........................................................ 12.8 11.8 16.4 ____

Warehouse and Storage ............................. 12.4 9.4 16.1 ____

Other ............................................................ 22.0 13.6 22.4 ____

Vacant ......................................................... 14.5 12.2 47.1 ____

Year Constructed

1919 or Before ............................................. 11.3 7.2 17.2 ____

1920 to 1945 ................................................ 10.9 9.0 10.9 ____

1946 to 1959 ................................................ 6.7 7.7 9.2 ____

1960 to 1969 ................................................ 7.4 6.2 8.0 ____

1970 to 1979 ................................................ 8.1 5.8 7.6 ____

1980 to 1989 ................................................ 7.4 6.1 7.4 ____

1990 to 1999 ................................................ 12.9 6.3 8.0 ____

Floors

One .............................................................. 5.4 4.9 6.2 ____

Two .............................................................. 7.4 6.1 8.2 ____

Three ........................................................... 9.0 7.4 11.2 ____

Four to Nine ................................................. 9.8 5.7 7.8 ____

Ten or More ................................................. 12.7 10.7 10.2 ____

Census Region and Division

Northeast ..................................................... 8.0 7.7 8.1 ____

 New England ............................................. 15.4 9.4 9.3 ____

 Middle Atlantic ........................................... 8.8 9.5 9.8 ____

Midwest ....................................................... 9.7 5.0 9.9 ____

 East North Central ..................................... 12.6 5.3 11.9 ____

 West North Central .................................... 15.0 9.4 15.5 ____

South ........................................................... 5.6 5.3 7.5 ____

 South Atlantic ............................................ 11.8 9.1 9.3 ____

 East South Central .................................... 8.2 8.6 7.3 ____

 West South Central ................................... 5.9 7.4 18.0 ____

West ............................................................ 10.8 6.0 6.2 ____

 Mountain .................................................... 11.1 10.8 7.9 ____

 Pacific ........................................................ 15.9 7.6 8.3 ____

RSEs for Table B2. Summary Table: Totals and Medians of Floorspace, Number of 

Workers, Hours of Operation, and Age of Building, 1999

RSEs Not Available for Medians

RSEs for

All Buildings

RSEs for

Total 

Floorspace

RSEs for

Total Workers 

in All 

Buildings 

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 246
Median 

Square Feet 

per Building 

Median 

Square Feet 

per Worker

Median Hours 

per Week

Median Age of

Buildings 

RSEs for Table B2. Summary Table: Totals and Medians of Floorspace, Number of 

Workers, Hours of Operation, and Age of Building, 1999

RSEs Not Available for Medians

RSEs for

All Buildings

RSEs for

Total 

Floorspace

RSEs for

Total Workers 

in All 

Buildings 

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ................................ 19.0 10.5 10.5 ____

 5,500-7,000 HDD ...................................... 7.0 7.1 9.4 ____

 4,000-5,499 HDD ...................................... 16.8 9.1 9.1 ____

 Fewer than 4,000 HDD .............................. 10.9 8.9 9.3 ____

2,000 CDD or More and --

 Fewer than 4,000 HDD .............................. 11.1 9.4 12.9 ____

Workers (main shift)

Fewer than 5 ................................................ 6.0 6.3 6.8 ____

5 to 9 ............................................................ 7.9 7.6 8.1 ____

10 to 19 ........................................................ 7.6 6.7 6.8 ____

20 to 49 ........................................................ 9.0 6.6 8.7 ____

50 to 99 ........................................................ 10.7 8.9 10.9 ____

100 to 249 .................................................... 11.7 7.2 10.5 ____

250 or More ................................................. 8.6 6.3 7.1 ____

Weekly Operating Hours

39 or Fewer ................................................. 10.3 9.8 17.5 ____

40 to 48 ........................................................ 5.9 6.1 7.5 ____

49 to 60 ........................................................ 8.2 6.1 7.4 ____

61 to 84 ........................................................ 9.6 6.1 8.6 ____

85 to 167 ...................................................... 7.7 7.0 7.8 ____

Open Continuously ...................................... 10.4 5.0 6.9 ____

Ownership and Occupancy

Nongovernment Owned .............................. 4.5 4.2 5.6 ____

 Owner Occupied ........................................ 5.4 4.5 6.2 ____

 Nonowner Occupied .................................. 5.8 6.4 8.3 ____

 Unoccupied ............................................... 17.1 14.6 0.0 ____

Government Owned .................................... 9.0 4.6 7.0 ____

Vacancy Status

Completely Vacant ...................................... 20.7 14.5 0.0 ____

Mostly Vacant .............................................. 22.9 20.0 47.1 ____

Partially Vacant ............................................ 7.3 6.2 7.6 ____

Not At All Vacant ......................................... 4.4 3.4 4.9 ____

Number of Establishments

One .............................................................. 4.7 3.5 5.6 ____

2 to 5 ............................................................ 9.4 6.5 9.7 ____

6 to 10 .......................................................... 15.0 10.1 12.9 ____

11 to 20 ........................................................ 16.8 12.1 11.9 ____

More than 20 ............................................... 25.4 10.2 10.5 ____

Currently Unoccupied .................................. 16.4 13.5 0.0 ____

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 3.5 4.6 ____

Natural Gas ................................................. 4.8 3.9 5.4 ____

Fuel Oil ........................................................ 16.7 6.9 7.3 ____

District Heat ................................................. 15.5 9.9 11.3 ____

District Chilled Water ................................... 27.2 12.1 15.8 ____

Propane ....................................................... 15.0 10.9 14.2 ____

Wood ........................................................... 28.8 28.2 31.2 ____

Coal ............................................................. 53.4 40.8 53.9 ____

Solar ............................................................ 51.2 25.9 36.5 ____

Other ............................................................ 24.1 16.6 26.8 ____

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 247
Median 

Square Feet 

per Building 

Median 

Square Feet 

per Worker

Median Hours 

per Week

Median Age of

Buildings 

RSEs for Table B2. Summary Table: Totals and Medians of Floorspace, Number of 

Workers, Hours of Operation, and Age of Building, 1999

RSEs Not Available for Medians

RSEs for

All Buildings

RSEs for

Total 

Floorspace

RSEs for

Total Workers 

in All 

Buildings 

Space-Heating Energy Sources

(more than one may apply)

Electricity ..................................................... 5.1 4.1 5.7 ____

Natural Gas ................................................. 5.4 4.2 5.9 ____

Fuel Oil ........................................................ 19.2 10.7 9.6 ____

District Heat ................................................. 16.5 9.9 11.0 ____

Propane ....................................................... 18.3 18.0 21.3 ____

Wood ........................................................... 32.5 33.9 43.1 ____

Coal ............................................................. 53.4 40.8 53.9 ____

Solar ............................................................ 47.5 45.2 58.8 ____

Other ............................................................ 45.7 35.9 43.9 ____

Primary Space-Heating

Energy Source

Electricity ..................................................... 7.1 5.5 6.8 ____

Natural Gas ................................................. 6.0 4.4 6.5 ____

Fuel Oil ........................................................ 18.8 12.4 11.2 ____

District Heat ................................................. 16.2 10.3 11.4 ____

Propane ....................................................... 19.1 19.5 22.8 ____

Wood ........................................................... 42.0 42.2 51.1 ____

Coal ............................................................. 73.4 42.8 55.8 ____

Solar ............................................................ 0.0 0.0 0.0 ____

Other ............................................................ 59.3 50.1 41.3 ____

Cooling Energy Sources

(more than one may apply)

Electricity ..................................................... 4.0 4.0 4.8 ____

Natural Gas ................................................. 18.3 12.2 16.9 ____

District Chilled Water ................................... 27.2 12.1 15.8 ____

Water-Heating Energy Sources

(more than one may apply)

Electricity ..................................................... 6.0 5.5 5.6 ____

Natural Gas ................................................. 6.1 4.4 6.9 ____

Fuel Oil ........................................................ 20.3 11.5 13.8 ____

District Heat ................................................. 17.3 10.8 11.5 ____

Propane ....................................................... 18.9 17.3 22.4 ____

Cooking Energy Sources

(more than one may apply)

Electricity ..................................................... 8.1 5.2 6.1 ____

Natural Gas ................................................. 8.2 5.1 5.8 ____

Propane ....................................................... 22.3 16.8 20.3 ____

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 3.5 4.4 ____

Buildings with Cooling ................................. 3.9 3.8 4.8 ____

Buildings with Water Heating ...................... 4.4 3.7 4.7 ____

Buildings with Cooking ................................ 5.8 4.4 4.9 ____

Buildings with Manufacturing ....................... 16.7 12.7 17.9 ____

Buildings with Electricity

 Generation .................................................. 14.2 7.4 8.0 ____

Percent of Floorspace Heated

Not Heated .................................................. 10.5 11.3 23.4 ____

1 to 50 .......................................................... 10.9 8.0 14.4 ____

51 to 99 ........................................................ 8.2 7.1 7.9 ____

100 ............................................................... 4.8 4.0 4.8 ____

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 248
Median 

Square Feet 

per Building 

Median 

Square Feet 

per Worker

Median Hours 

per Week

Median Age of

Buildings 

RSEs for Table B2. Summary Table: Totals and Medians of Floorspace, Number of 

Workers, Hours of Operation, and Age of Building, 1999

RSEs Not Available for Medians

RSEs for

All Buildings

RSEs for

Total 

Floorspace

RSEs for

Total Workers 

in All 

Buildings 

Percent of Floorspace Cooled

Not Cooled .................................................. 10.4 8.8 14.7 ____

1 to 50 .......................................................... 9.1 6.9 11.4 ____

51 to 99 ........................................................ 6.9 4.5 7.3 ____

100 ............................................................... 4.5 5.2 5.4 ____

Percent Lit When Open

Zero ............................................................. 49.1 32.5 57.8 ____

1 to 50 .......................................................... 9.0 8.1 10.6 ____

51 to 99 ........................................................ 6.4 4.9 7.7 ____

100 ............................................................... 5.8 4.2 4.9 ____

Building Never Open/

 Electricity Not Used .................................... 13.0 12.9 49.8 ____

Percent Lit When Closed

Zero ............................................................. 6.2 5.9 9.0 ____

1 to 50 .......................................................... 4.9 4.7 5.2 ____

51 to 100 ...................................................... 16.3 10.0 12.7 ____

Building Never Closed/

 Electricity Not Used .................................... 9.3 4.7 6.9 ____

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 10.5 6.3 7.7 ____

Furnaces ...................................................... 7.4 5.5 8.7 ____

Individual Space Heaters ............................ 6.7 5.0 7.6 ____

District Heat ................................................. 16.5 9.9 11.0 ____

Boilers ......................................................... 7.9 5.6 6.7 ____

Packaged Heating Units .............................. 6.3 4.8 5.6 ____

Other ............................................................ 15.1 7.9 11.8 ____

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 10.3 6.8 10.6 ____

Heat Pumps ................................................. 10.4 6.5 7.6 ____

Individual Air Conditioners ........................... 8.0 5.9 9.7 ____

District Chilled Water ................................... 27.2 12.1 15.8 ____

Central Chillers ............................................ 14.5 6.0 7.1 ____

Packaged Air Conditioning

 Units ........................................................... 4.7 4.0 5.1 ____

Swamp Coolers ........................................... 17.0 17.5 17.4 ____

Other ............................................................ 29.6 16.3 14.5 ____

Main Equipment Replaced Since

1995 (more than one may apply)

Heating ........................................................ 6.8 7.6 8.6 ____

Cooling ........................................................ 5.9 5.5 8.3 ____

Lighting Equipment Types

(more than one may apply)

Incandescent ............................................... 4.9 4.2 5.9 ____

Standard Fluorescent .................................. 4.1 3.5 4.6 ____

Compact Fluorescent .................................. 9.0 5.7 6.9 ____

High Intensity Discharge .............................. 10.9 5.4 5.9 ____

Halogen ....................................................... 9.1 4.4 6.3 ____

Other ............................................................ 32.3 14.6 23.2 ____

Water Heating Equipment

Centralized System ..................................... 5.0 4.1 5.3 ____

Distributed System ...................................... 9.5 7.3 7.7 ____

Combination of Centralized

 and Distributed System .............................. 11.0 5.5 7.4 ____

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 249
Median 

Square Feet 

per Building 

Median 

Square Feet 

per Worker

Median Hours 

per Week

Median Age of

Buildings 

RSEs for Table B2. Summary Table: Totals and Medians of Floorspace, Number of 

Workers, Hours of Operation, and Age of Building, 1999

RSEs Not Available for Medians

RSEs for

All Buildings

RSEs for

Total 

Floorspace

RSEs for

Total Workers 

in All 

Buildings 

Personal Computers

None ............................................................ 7.0 6.3 11.1 ____

1 to 4 ............................................................ 7.2 6.4 11.3 ____

5 to 9 ............................................................ 8.1 7.9 9.0 ____

10 to 19 ........................................................ 11.6 8.4 11.1 ____

20 to 49 ........................................................ 11.1 7.4 9.3 ____

50 to 99 ........................................................ 11.0 7.1 8.5 ____

100 to 249 .................................................... 8.8 7.7 9.4 ____

250 or More ................................................. 8.5 6.2 7.4 ____

Photocopiers

None ............................................................ 5.4 5.2 8.2 ____

One .............................................................. 6.8 6.4 8.0 ____

2 to 4 ............................................................ 7.9 5.5 7.6 ____

5 to 9 ............................................................ 17.7 7.6 12.3 ____

10 or More ................................................... 12.0 6.3 7.0 ____

Other Electronic Equipment

(more than one may apply)

Laser Printers .............................................. 5.1 4.2 5.4 ____

FAX Machines ............................................. 5.1 3.8 5.1 ____

Medical Diagnostic Equipment .................... 19.8 7.9 11.0 ____

Energy-Related Space Functions

(more than one may apply)

Commercial Food Preparation .................... 5.8 4.5 5.0 ____

Activities with Large

 Amounts of Hot Water ................................ 6.3 4.0 5.0 ____

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 6.5 4.5 5.1 ____

Tinted, Reflective, or

 Shading Glass ............................................ 5.7 4.8 5.4 ____

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ....................... 9.8 5.4 6.7 ____

Economizer Cycle ........................................ 8.2 5.2 6.4 ____

HVAC Maintenance ..................................... 4.8 3.9 4.8 ____

Energy Management and

 Control System (EMCS) ............................. 10.3 5.4 6.1 ____

Lighting Conservation Features

(more than one may apply)

Specular Reflectors ..................................... 8.8 6.0 6.3 ____

Electronic Ballasts ....................................... 5.3 3.9 4.7 ____

Skylights or Atriums ..................................... 8.6 5.8 6.4 ____

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 5.0 4.0 4.5 ____

Cooling ........................................................ 4.3 4.4 5.2 ____

Lighting ........................................................ 4.4 4.0 4.7 ____

Office Equipment ......................................... 8.5 6.1 8.1 ____

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 250
All 

Buildings

Northeast Midwest South West

All 

Buildings

Northeast Midwest South West

All Buildings ............................................... 4.2 8.0 9.7 5.6 10.8 3.5 7.7 5.0 5.3 6.0

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 8.0 15.1 10.3 16.1 6.1 12.8 15.1 9.3 11.9

5,001 to 10,000 ............................................ 6.7 15.7 15.5 8.8 12.9 7.1 15.7 15.7 10.0 13.0

10,001 to 25,000 .......................................... 7.1 18.6 12.3 11.1 11.3 6.8 18.2 11.5 10.9 12.4

25,001 to 50,000 .......................................... 6.9 15.5 9.3 11.5 7.8 6.8 15.2 9.9 11.3 7.6

50,001 to 100,000 ........................................ 10.3 17.6 12.5 12.7 13.6 10.2 17.1 12.9 12.9 13.3

100,001 to 200,000 ...................................... 6.3 10.2 9.5 10.9 13.4 6.4 10.2 10.2 11.5 13.9

200,001 to 500,000 ...................................... 6.5 16.0 12.9 12.1 11.6 6.6 15.7 13.1 12.6 11.2

Over 500,000 ............................................... 10.7 24.8 19.3 22.6 23.0 11.1 24.7 17.8 20.5 24.8

Principal Building Activity

Education .................................................... 12.3 12.1 17.9 18.2 21.9 6.2 14.4 13.4 10.1 15.3

Food Sales .................................................. 17.2 36.3 48.5 27.3 49.6 16.0 49.7 49.8 14.8 28.6

Food Service ............................................... 9.3 45.9 21.2 18.3 19.5 9.7 41.5 19.6 19.1 17.1

Health Care ................................................. 17.6 41.8 41.2 18.6 36.7 7.6 13.8 14.5 13.5 18.4

 Inpatient ..................................................... 25.6 73.7 24.6 17.2 31.5 9.9 14.8 20.4 18.8 21.6

 Outpatient .................................................. 19.1 50.3 43.7 19.4 41.2 10.3 35.2 19.7 18.1 26.2

Lodging ........................................................ 11.4 37.8 16.0 20.3 23.9 11.0 16.9 13.1 17.7 23.0

Mercantile .................................................... 9.1 22.2 17.3 15.0 14.4 8.8 17.9 18.6 11.1 14.3

 Retail (Other Than Mall) ............................ 10.8 27.8 18.0 19.5 16.1 10.7 21.8 22.0 13.3 20.1

 Enclosed and Strip Malls ........................... 17.7 41.7 39.9 23.6 28.8 10.3 21.4 19.8 16.9 16.7

Office ........................................................... 8.3 20.8 18.7 10.7 21.9 6.9 13.9 14.3 10.5 11.1

Public Assembly .......................................... 13.5 35.3 26.8 18.1 33.2 10.8 22.9 15.4 13.6 29.4

Public Order and Safety .............................. 28.1 47.1 45.5 38.6 57.0 22.2 39.9 23.7 23.4 32.4

Religious Worship ....................................... 12.1 32.5 25.0 23.8 22.0 12.0 30.5 21.8 23.5 18.1

Service ........................................................ 12.8 33.2 19.9 16.2 32.1 11.8 36.1 16.9 19.4 22.7

Warehouse and Storage ............................. 12.4 20.8 26.7 15.5 27.5 9.4 21.5 12.2 13.6 23.3

Other ............................................................ 22.0 28.9 51.8 49.8 25.5 13.6 28.2 23.9 28.7 28.6

Vacant ......................................................... 14.5 46.2 24.2 29.7 31.5 12.2 34.2 17.5 30.5 16.4

Year Constructed

1919 or Before ............................................. 11.3 20.0 18.7 28.6 38.6 7.2 16.6 13.8 24.0 26.9

1920 to 1945 ................................................ 10.9 24.6 19.2 16.9 29.9 9.0 21.0 14.6 17.1 18.3

1946 to 1959 ................................................ 6.7 13.4 21.3 9.6 16.6 7.7 14.4 13.8 10.9 17.9

1960 to 1969 ................................................ 7.4 22.2 12.9 14.7 13.2 6.2 13.7 10.6 11.5 10.1

1970 to 1979 ................................................ 8.1 21.9 14.6 11.5 14.9 5.8 20.3 10.5 7.3 11.7

1980 to 1989 ................................................ 7.4 25.4 19.8 8.1 14.3 6.1 19.8 14.3 8.9 11.2

1990 to 1999 ................................................ 12.9 24.3 22.0 20.9 25.4 6.3 14.6 14.0 11.9 10.6

Floors

One .............................................................. 5.4 14.1 9.6 7.8 12.8 4.9 13.1 5.9 7.9 10.5

Two .............................................................. 7.4 11.9 20.8 9.0 14.7 6.1 11.9 12.5 7.9 13.7

Three ........................................................... 9.0 16.0 16.2 22.1 23.4 7.4 17.5 8.0 15.1 16.2

Four to Nine ................................................. 9.8 22.7 26.2 33.3 22.6 5.7 16.0 13.0 15.0 13.0

Ten or More ................................................. 12.7 28.6 23.2 21.8 24.3 10.7 23.9 14.7 17.1 27.4

Workers (main shift)

Fewer than 5 ................................................ 6.0 18.6 12.7 8.2 16.7 6.3 20.3 11.1 8.9 14.3

5 to 9 ............................................................ 7.9 17.4 15.5 10.4 16.1 7.6 19.8 10.9 10.2 13.9

10 to 19 ........................................................ 7.6 24.4 18.4 11.3 18.8 6.7 21.1 17.5 9.9 14.0

20 to 49 ........................................................ 9.0 19.8 22.4 12.4 13.0 6.6 14.5 13.0 8.3 11.1

50 to 99 ........................................................ 10.7 23.7 11.8 11.1 21.3 8.9 17.0 11.2 10.7 15.8

100 to 249 .................................................... 11.7 12.6 27.7 20.0 10.6 7.2 12.1 14.4 11.5 12.0

250 or More ................................................. 8.6 15.7 15.5 13.5 13.8 6.3 12.5 9.9 12.1 12.5

Weekly Operating Hours

39 or Fewer ................................................. 10.3 31.9 21.3 9.1 23.2 9.8 29.3 16.6 13.5 14.2

40 to 48 ........................................................ 5.9 14.2 11.5 9.7 17.0 6.1 18.7 9.4 9.6 12.7

49 to 60 ........................................................ 8.2 18.9 12.8 13.3 18.7 6.1 13.4 9.5 8.8 11.1

61 to 84 ........................................................ 9.6 21.8 18.9 15.3 17.6 6.1 14.9 8.3 8.6 11.4

85 to 167 ...................................................... 7.7 24.9 18.7 12.7 17.8 7.0 15.1 13.5 12.3 12.6

Open Continuously ...................................... 10.4 22.1 23.2 18.2 21.8 5.0 10.4 7.8 10.7 12.7

RSEs for Table B3. Census Region, Number of Buildings and Floorspace, 1999

RSEs for Number of Buildings RSEs for Total Floorspace

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 251
All 

Buildings

Northeast Midwest South West

All 

Buildings

Northeast Midwest South West

RSEs for Table B3. Census Region, Number of Buildings and Floorspace, 1999

RSEs for Number of Buildings RSEs for Total Floorspace

Ownership and Occupancy

Nongovernment Owned .............................. 4.5 8.4 10.1 5.6 11.2 4.2 9.2 6.3 5.2 7.6

 Owner Occupied ........................................ 5.4 9.5 11.7 7.7 13.1 4.5 11.6 7.3 5.6 7.8

 Nonowner Occupied .................................. 5.8 14.7 13.8 8.5 13.9 6.4 14.4 11.1 9.1 10.1

 Unoccupied ............................................... 17.1 44.5 28.2 29.5 28.5 14.6 37.8 21.3 29.5 14.8

Government Owned .................................... 9.0 14.7 19.6 13.9 20.4 4.6 11.3 11.8 9.7 8.4

Vacancy Status

Completely Vacant ...................................... 20.7 58.4 30.6 38.0 42.3 14.5 72.9 21.4 33.8 16.5

Mostly Vacant .............................................. 22.9 47.2 39.3 63.0 37.4 20.0 36.0 30.3 51.7 27.5

Partially Vacant ............................................ 7.3 24.3 17.2 12.7 15.9 6.2 15.0 7.5 9.5 11.2

Not At All Vacant ......................................... 4.4 8.9 10.4 7.3 11.9 3.4 8.9 5.7 5.4 7.0

Number of Establishments

One .............................................................. 4.7 9.6 11.6 7.1 11.5 3.5 8.0 5.9 5.1 7.7

2 to 5 ............................................................ 9.4 18.1 14.3 14.4 23.3 6.5 16.1 11.6 10.8 15.8

6 to 10 .......................................................... 15.0 37.0 40.1 18.8 24.6 10.1 23.4 19.5 16.4 17.4

11 to 20 ........................................................ 16.8 17.0 19.4 15.1 38.0 12.1 27.5 16.8 15.6 26.4

More than 20 ............................................... 25.4 47.5 31.4 17.8 56.7 10.2 21.8 16.0 14.1 19.7

Currently Unoccupied .................................. 16.4 46.2 27.9 28.9 26.9 13.5 36.1 19.7 28.5 14.7

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 7.6 10.0 5.6 10.4 3.5 7.6 5.3 5.3 6.1

Natural Gas ................................................. 4.8 11.9 11.4 7.7 9.5 3.9 6.8 6.1 7.0 7.9

Fuel Oil ........................................................ 16.7 22.0 29.9 32.2 48.0 6.9 10.9 11.1 11.4 13.5

District Heat ................................................. 15.5 32.5 35.3 27.9 25.1 9.9 16.6 18.9 21.1 21.2

District Chilled Water ................................... 27.2 30.4 49.8 52.5 33.1 12.1 25.2 26.1 20.1 18.2

Propane ....................................................... 15.0 17.3 29.5 29.2 44.3 10.9 14.8 23.2 23.6 31.3

Other ............................................................ 18.8 25.0 31.6 29.3 54.0 14.0 31.4 32.5 16.8 25.5

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 8.4 9.8 6.3 10.4 3.5 7.8 5.3 5.2 6.2

Buildings with Cooling ................................. 3.9 10.0 9.5 5.4 8.7 3.8 8.5 6.0 5.5 6.5

Buildings with Water Heating ...................... 4.4 7.5 11.1 6.2 9.1 3.7 7.5 5.0 5.8 6.4

Buildings with Cooking ................................ 5.8 10.5 17.3 8.8 14.5 4.4 9.6 7.9 7.7 9.1

Buildings with Manufacturing ....................... 16.7 49.6 42.4 21.9 39.7 12.7 28.8 26.0 14.0 31.8

Buildings with Electricity

 Generation .................................................. 14.2 33.7 27.8 22.5 23.9 7.4 15.3 12.1 10.2 13.6

Percent of Floorspace Heated

Not Heated .................................................. 10.5 25.7 24.7 14.9 24.8 11.3 32.0 22.1 16.5 16.3

1 to 50 .......................................................... 10.9 27.4 18.1 14.3 22.4 8.0 22.0 16.8 9.5 17.6

51 to 99 ........................................................ 8.2 22.9 15.8 13.6 13.9 7.1 16.2 17.6 9.9 15.4

100 ............................................................... 4.8 7.4 12.7 6.8 13.7 4.0 8.5 6.3 6.4 9.9

Percent of Floorspace Cooled

Not Cooled .................................................. 10.4 20.1 21.3 17.5 20.7 8.8 22.9 18.2 12.3 14.9

1 to 50 .......................................................... 9.1 23.9 10.8 14.8 18.3 6.9 15.2 9.1 11.5 14.6

51 to 99 ........................................................ 6.9 17.3 12.0 11.4 15.5 4.5 10.8 7.4 7.7 12.2

100 ............................................................... 4.5 15.2 14.0 7.7 9.0 5.2 14.5 8.8 7.6 7.0

Percent Lit When Open

Zero ............................................................. 49.1 68.6 61.7 77.3 62.9 32.5 68.9 58.8 45.6 68.5

1 to 50 .......................................................... 9.0 29.9 16.7 13.6 18.8 8.1 19.1 14.3 11.5 16.8

51 to 99 ........................................................ 6.4 12.7 14.3 10.3 10.8 4.9 8.4 9.5 7.4 9.8

100 ............................................................... 5.8 15.2 11.2 8.8 14.5 4.2 12.2 6.4 6.8 7.1

Building Never Open/

 Electricity Not Used .................................... 13.0 37.2 22.7 17.1 26.8 12.9 42.0 16.3 21.7 16.6

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 252
All 

Buildings

Northeast Midwest South West

All 

Buildings

Northeast Midwest South West

RSEs for Table B3. Census Region, Number of Buildings and Floorspace, 1999

RSEs for Number of Buildings RSEs for Total Floorspace

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 10.5 26.3 24.7 12.4 28.8 6.3 15.8 18.1 7.7 12.1

Furnaces ...................................................... 7.4 16.8 13.0 12.8 17.7 5.5 14.5 9.1 10.2 13.5

Individual Space Heaters ............................ 6.7 18.9 19.5 11.6 12.0 5.0 16.3 9.8 5.5 9.9

District Heat ................................................. 16.5 32.4 34.6 30.9 24.6 9.9 16.4 18.9 20.8 21.8

Boilers ......................................................... 7.9 10.6 17.2 17.9 18.9 5.6 10.0 8.7 7.9 11.9

Packaged Heating Units .............................. 6.3 14.0 13.0 9.7 13.0 4.8 10.3 7.9 6.7 10.6

Other ............................................................ 15.1 37.5 26.5 27.4 32.5 7.9 24.0 20.1 15.1 14.4

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 10.3 21.8 15.2 17.1 30.6 6.8 11.9 9.9 13.4 18.1

Heat Pumps ................................................. 10.4 21.4 23.9 12.1 30.0 6.5 17.1 19.8 7.1 12.3

Individual Air Conditioners ........................... 8.0 23.0 13.3 10.6 24.8 5.9 13.1 9.7 9.7 15.4

District Chilled Water ................................... 27.2 30.4 49.8 52.5 33.1 12.1 25.2 26.1 20.1 18.2

Central Chillers ............................................ 14.5 17.4 18.0 28.0 24.8 6.0 12.5 8.9 12.0 11.2

Packaged Air Conditioning

 Units ........................................................... 4.7 10.6 10.1 7.9 8.7 4.0 8.9 6.7 5.7 9.0

Swamp Coolers ........................................... 17.0 46.1 65.2 62.8 17.3 17.5 59.8 35.3 41.4 21.3

Other ............................................................ 29.6 79.3 52.2 50.6 54.4 16.3 36.9 30.8 19.9 27.1

Main Equipment Replaced Since

1995 (more than one may apply)

Heating ........................................................ 6.8 18.1 16.0 9.3 15.7 7.6 13.5 15.7 9.2 14.4

Cooling ........................................................ 5.9 18.9 13.4 6.7 15.3 5.5 12.4 9.4 7.4 12.9

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 6.5 11.9 11.6 9.4 16.2 4.5 8.2 6.1 7.2 9.1

Tinted, Reflective, or

 Shading Glass ............................................ 5.7 12.3 14.2 7.4 11.3 4.8 10.4 7.5 6.5 8.5

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ....................... 9.8 35.4 13.6 15.2 18.2 5.4 12.2 7.1 9.6 8.7

Economizer Cycle ........................................ 8.2 11.7 18.8 16.2 15.2 5.2 11.3 8.2 11.3 8.1

HVAC Maintenance ..................................... 4.8 7.7 13.0 7.3 9.1 3.9 7.7 6.7 5.9 7.1

Energy Management and

 Control System (EMCS) ............................. 10.3 31.0 17.0 13.8 21.6 5.4 12.0 6.3 8.6 9.5

Lighting Conservation Features

(more than one may apply)

Specular Reflectors ..................................... 8.8 20.5 15.8 14.6 18.9 6.0 11.5 11.6 6.8 10.7

Electronic Ballasts ....................................... 5.3 12.6 10.7 9.4 11.4 3.9 8.0 6.7 6.3 7.0

Skylights or Atriums ..................................... 8.6 22.0 19.9 11.7 17.7 5.8 13.1 8.4 8.8 10.2

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 253
New 

England

Middle 

Atlantic

East

North 

Central

West North 

Central

South 

Atlantic

East

South 

Central

West

South 

Central Mountain Pacific

All Buildings ............................................... 4.2 15.4 8.8 12.6 15.0 11.8 8.2 5.9 11.1 15.9

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 20.9 12.0 21.3 20.0 20.2 15.9 13.7 11.3 23.5

5,001 to 10,000 ............................................ 6.7 30.8 18.4 17.9 30.3 9.0 25.4 18.0 23.7 18.8

10,001 to 25,000 .......................................... 7.1 22.4 25.1 13.5 23.8 23.2 12.2 14.7 25.6 14.1

25,001 to 50,000 .......................................... 6.9 22.2 16.0 12.0 12.3 16.4 16.5 23.5 17.0 9.1

50,001 to 100,000 ........................................ 10.3 16.4 25.2 13.7 19.4 17.7 22.5 17.3 19.9 16.7

100,001 to 200,000 ...................................... 6.3 19.9 12.0 10.9 19.1 13.4 23.0 22.6 18.3 21.4

200,001 to 500,000 ...................................... 6.5 37.8 17.6 16.5 21.7 14.8 32.6 21.5 23.2 13.5

Over 500,000 ............................................... 10.7 56.4 19.1 25.8 27.3 21.1 34.5 48.8 52.8 29.4

Principal Building Activity

Education .................................................... 12.3 19.8 13.9 25.2 25.1 33.9 45.6 22.0 40.2 25.1

Food Sales .................................................. 17.2 99.7 38.3 57.7 69.5 46.6 39.8 53.3 64.7 66.0

Food Service ............................................... 9.3 75.7 55.6 22.9 48.9 31.4 51.6 23.9 44.3 22.3

Health Care ................................................. 17.6 81.7 48.0 49.4 65.0 21.6 50.5 36.3 31.0 44.1

 Inpatient ..................................................... 25.6 56.2 79.5 32.2 33.4 27.8 61.7 21.5 48.4 31.7

 Outpatient .................................................. 19.1 89.3 61.0 52.3 69.3 22.1 59.2 39.4 36.2 49.0

Lodging ........................................................ 11.4 29.2 48.0 19.4 41.8 43.0 21.7 30.7 41.6 28.3

Mercantile .................................................... 9.1 70.3 21.7 21.8 34.5 21.8 18.9 30.1 9.0 20.6

 Retail (Other Than Mall) ............................ 10.8 79.0 28.8 23.0 37.8 27.4 29.8 37.6 7.4 27.4

 Enclosed and Strip Malls ........................... 17.7 33.3 48.8 50.0 34.1 30.7 58.4 47.0 36.6 32.1

Office ........................................................... 8.3 39.5 26.3 19.6 41.8 15.5 25.8 12.3 22.7 28.9

Public Assembly .......................................... 13.5 47.6 42.8 35.7 39.0 22.8 32.6 39.6 61.2 40.4

Public Order and Safety .............................. 28.1 57.2 55.5 57.6 34.9 64.2 49.0 47.2 43.6 70.1

Religious Worship ....................................... 12.1 62.9 39.5 31.7 39.2 35.0 52.6 35.4 56.9 31.2

Service ........................................................ 12.8 45.5 42.2 33.1 20.9 32.0 35.7 18.5 43.4 48.1

Warehouse and Storage ............................. 12.4 9.4 31.2 34.2 46.0 22.6 24.5 31.7 34.0 37.4

Other ............................................................ 22.0 67.7 69.1 64.8 66.6 60.7 85.2 68.9 48.3 26.7

Vacant ......................................................... 14.5 83.5 53.6 26.6 53.1 48.7 97.9 49.8 35.4 55.3

Year Constructed

1919 or Before ............................................. 11.3 42.9 22.4 20.7 33.8 45.9 85.0 41.1 56.1 52.4

1920 to 1945 ................................................ 10.9 30.0 35.5 23.6 23.0 30.0 33.5 27.8 43.5 39.5

1946 to 1959 ................................................ 6.7 31.8 14.8 27.7 29.7 19.0 21.4 17.3 17.0 22.8

1960 to 1969 ................................................ 7.4 45.8 29.7 16.3 26.8 23.4 31.3 22.2 19.7 17.2

1970 to 1979 ................................................ 8.1 23.9 37.7 16.0 29.3 11.8 34.9 16.4 28.7 19.1

1980 to 1989 ................................................ 7.4 30.3 29.4 18.4 32.2 16.4 15.4 10.2 20.2 20.8

1990 to 1999 ................................................ 12.9 71.9 23.2 22.2 42.2 27.1 63.1 28.6 43.1 30.4

Floors

One .............................................................. 5.4 27.6 14.2 9.5 20.0 15.8 17.0 8.2 13.2 19.7

Two .............................................................. 7.4 22.7 15.2 28.3 32.5 12.0 10.4 24.8 21.2 18.9

Three ........................................................... 9.0 25.4 18.1 16.9 35.6 26.2 51.1 43.4 44.5 22.7

Four to Nine ................................................. 9.8 20.2 29.9 30.8 47.4 42.9 57.1 26.3 42.0 27.2

Ten or More ................................................. 12.7 49.1 30.6 28.2 22.6 28.8 53.2 35.3 46.2 27.8

Workers (main shift)

Fewer than 5 ................................................ 6.0 27.4 24.1 17.0 17.7 16.9 9.4 12.4 10.2 25.0

5 to 9 ............................................................ 7.9 31.5 18.1 19.0 26.1 18.6 29.7 10.2 26.4 21.6

10 to 19 ........................................................ 7.6 23.7 31.2 21.5 33.3 16.6 20.3 20.3 41.9 20.6

20 to 49 ........................................................ 9.0 22.3 22.2 28.2 32.3 21.0 18.4 24.5 22.1 17.8

50 to 99 ........................................................ 10.7 20.6 32.3 14.2 18.4 16.9 18.8 15.9 30.9 25.8

100 to 249 .................................................... 11.7 17.4 17.6 35.6 25.9 18.5 32.5 45.1 18.6 12.9

250 or More ................................................. 8.6 25.3 18.6 20.8 20.9 15.1 12.3 32.2 21.8 16.6

RSEs for Table B4. Census Region and Division, Number of Buildings, 1999

RSEs for Number of Buildings

West

All

Buildings

Northeast Midwest South

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 254
New 

England

Middle 

Atlantic

East

North 

Central

West North 

Central

South 

Atlantic

East

South 

Central

West

South 

Central Mountain Pacific

RSEs for Table B4. Census Region and Division, Number of Buildings, 1999

RSEs for Number of Buildings

West

All

Buildings

Northeast Midwest South

Weekly Operating Hours

39 or Fewer ................................................. 10.3 57.7 38.6 26.9 36.5 11.8 27.8 19.7 18.9 39.9

40 to 48 ........................................................ 5.9 33.9 21.1 14.1 22.5 18.6 17.5 10.5 22.0 22.6

49 to 60 ........................................................ 8.2 22.6 24.8 16.5 19.1 24.5 17.5 16.3 35.7 21.5

61 to 84 ........................................................ 9.6 46.3 25.5 24.9 24.9 25.5 35.0 19.5 42.9 19.5

85 to 167 ...................................................... 7.7 44.5 28.4 22.5 26.6 16.6 29.0 22.1 33.6 20.3

Open Continuously ...................................... 10.4 31.9 28.7 28.7 40.4 30.6 34.7 17.7 47.4 23.2

Ownership and Occupancy

Nongovernment Owned .............................. 4.5 16.4 9.2 13.0 16.3 11.6 7.9 6.3 13.3 16.9

 Owner Occupied ........................................ 5.4 15.8 11.8 15.5 14.0 15.7 8.4 7.9 24.8 17.0

 Nonowner Occupied .................................. 5.8 24.5 16.0 17.0 23.8 16.2 17.2 13.8 20.2 18.7

 Unoccupied ............................................... 17.1 60.0 51.2 25.0 61.4 47.3 95.4 45.4 21.7 87.9

Government Owned .................................... 9.0 34.8 14.5 10.7 30.5 26.2 16.4 19.7 16.0 24.5

Vacancy Status

Completely Vacant ...................................... 20.7 71.3 100.1 32.8 77.6 50.8 100.6 54.8 47.7 67.0

Mostly Vacant .............................................. 22.9 92.9 52.9 46.8 72.8 41.8 98.5 91.8 22.8 56.8

Partially Vacant ............................................ 7.3 25.6 37.6 14.0 41.2 24.0 25.1 15.2 34.0 15.8

Not At All Vacant ......................................... 4.4 15.8 9.3 13.4 15.3 15.1 9.5 8.6 13.5 17.3

Number of Establishments

One .............................................................. 4.7 15.7 10.6 15.7 14.7 14.0 12.1 8.0 17.9 16.1

2 to 5 ............................................................ 9.4 38.2 24.0 15.8 26.8 19.8 28.6 22.3 28.2 30.3

6 to 10 .......................................................... 15.0 41.4 45.7 38.7 71.5 39.4 6.0 30.7 28.5 28.8

11 to 20 ........................................................ 16.8 22.8 25.2 22.6 32.6 20.5 35.4 29.7 39.8 45.9

More than 20 ............................................... 25.4 51.6 63.7 38.5 41.5 26.2 44.7 23.7 85.9 23.6

Currently Unoccupied .................................. 16.4 81.1 49.6 24.8 60.6 47.2 95.4 42.7 22.0 86.8

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 14.3 8.2 13.0 15.3 11.7 9.9 6.1 13.5 14.8

Natural Gas ................................................. 4.8 29.5 13.2 15.1 14.1 19.3 12.1 9.5 12.3 13.3

Fuel Oil ........................................................ 16.7 23.3 28.6 41.1 43.1 43.7 47.1 48.6 60.9 64.4

District Heat ................................................. 15.5 34.1 34.4 47.8 51.3 50.9 74.2 37.0 47.3 28.8

District Chilled Water ................................... 27.2 54.5 36.1 40.9 59.4 29.7 56.9 70.7 68.8 22.0

Propane ....................................................... 15.0 24.3 20.4 43.9 36.4 45.1 54.5 47.5 46.1 51.5

Other ............................................................ 18.8 51.7 26.4 39.6 52.2 52.3 50.7 44.2 55.0 67.8

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 15.4 8.6 13.0 13.6 13.3 9.6 7.8 12.1 15.2

Buildings with Cooling ................................. 3.9 16.3 9.8 11.7 15.6 10.9 11.2 6.4 14.0 11.2

Buildings with Water Heating ...................... 4.4 18.2 7.0 13.7 17.7 11.0 13.0 7.7 15.2 13.1

Buildings with Cooking ................................ 5.8 18.5 14.3 20.4 28.8 10.1 25.8 13.9 26.3 17.0

Buildings with Manufacturing ....................... 16.7 65.9 70.9 52.4 49.2 43.1 43.6 31.6 52.4 47.4

Buildings with Electricity

Generation ................................................... 14.2 22.5 40.9 34.7 46.0 30.0 24.0 43.8 47.1 15.7

Percent of Floorspace Heated

Not Heated .................................................. 10.5 34.0 35.4 25.2 57.0 21.4 42.9 25.1 15.8 33.0

1 to 50 .......................................................... 10.9 58.2 30.6 20.8 39.2 27.7 25.4 23.1 29.8 27.9

51 to 99 ........................................................ 8.2 36.9 30.2 22.8 17.4 22.1 17.9 23.5 21.3 17.6

100 ............................................................... 4.8 16.3 7.9 17.8 14.9 12.6 15.6 9.2 17.2 19.6

Percent of Floorspace Cooled

Not Cooled .................................................. 10.4 32.3 25.0 28.2 28.5 36.7 25.3 18.4 16.4 30.7

1 to 50 .......................................................... 9.1 38.4 25.0 12.8 22.2 24.0 31.3 25.4 27.3 22.7

51 to 99 ........................................................ 6.9 33.0 19.7 13.7 19.2 16.9 26.9 19.6 25.1 16.3

100 ............................................................... 4.5 34.0 18.8 16.5 22.7 13.0 17.7 11.6 12.0 12.7

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 255
New 

England

Middle 

Atlantic

East

North 

Central

West North 

Central

South 

Atlantic

East

South 

Central

West

South 

Central Mountain Pacific

RSEs for Table B4. Census Region and Division, Number of Buildings, 1999

RSEs for Number of Buildings

West

All

Buildings

Northeast Midwest South

Percent Lit When Open

Zero ............................................................. 49.1 100.1 91.6 61.7 0.0 90.0 46.8 80.6 80.7 100.1

1 to 50 .......................................................... 9.0 43.6 38.9 19.7 21.3 17.9 32.7 21.5 26.5 25.6

51 to 99 ........................................................ 6.4 22.6 15.3 20.4 16.8 13.7 16.7 18.4 18.8 13.3

100 ............................................................... 5.8 17.5 19.2 13.4 19.3 16.5 13.9 15.2 19.9 19.3

Building Never Open/

Electricity Not Used ..................................... 13.0 63.5 46.4 24.3 49.4 22.8 60.8 45.3 22.1 52.4

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 10.5 33.1 33.0 34.5 33.3 20.2 14.3 23.0 31.4 32.9

Furnaces ...................................................... 7.4 25.5 22.7 17.0 18.9 36.6 22.2 13.2 28.3 25.1

Individual Space Heaters ............................ 6.7 44.9 12.9 26.2 26.3 26.2 19.4 12.6 16.3 19.6

District Heat ................................................. 16.5 34.1 34.2 33.7 51.3 37.1 61.2 39.3 36.6 31.3

Boilers ......................................................... 7.9 11.5 14.9 16.4 36.2 25.4 39.8 25.0 28.5 23.6

Packaged Heating Units .............................. 6.3 27.0 14.8 13.9 24.1 21.8 13.3 12.3 22.9 17.3

Other ............................................................ 15.1 21.2 41.3 30.8 50.3 40.8 46.6 48.9 31.0 44.6

Cooling Equipment (more

than one may apply)

Residential-Type Central

Air Conditioners ........................................... 10.3 61.8 23.0 20.2 22.0 31.9 38.0 22.8 45.3 40.4

Heat Pumps ................................................. 10.4 36.7 25.7 23.3 32.5 19.9 12.0 23.3 35.6 35.2

Individual Air Conditioners ........................... 8.0 22.1 28.3 17.1 23.6 15.2 28.9 16.4 38.8 30.2

District Chilled Water ................................... 27.2 54.5 36.1 40.9 59.4 29.7 56.9 70.7 68.8 22.0

Central Chillers ............................................ 14.5 23.1 22.4 17.5 37.2 44.0 30.8 31.2 48.4 25.8

Packaged Air Conditioning

Units ............................................................ 4.7 20.9 11.1 11.4 17.8 17.0 16.4 9.7 15.6 12.0

Swamp Coolers ........................................... 17.0 65.0 58.3 80.5 55.7 78.0 81.0 79.8 26.2 15.3

Other ............................................................ 29.6 85.0 50.3 55.6 54.0 32.3 32.0 78.9 60.5 74.3

Main Equipment Replaced Since

1995 (more than one may apply)

Heating ........................................................ 6.8 61.2 10.9 18.3 30.3 15.4 14.5 16.4 37.9 16.6

Cooling ........................................................ 5.9 44.3 19.2 16.0 21.0 12.6 14.6 9.1 26.7 18.5

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 6.5 19.9 12.3 14.5 19.6 17.3 11.5 13.9 15.0 24.0

Tinted, Reflective, or

Shading Glass ............................................. 5.7 39.6 12.0 19.5 22.0 14.5 17.3 9.4 17.7 15.9

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ....................... 9.8 38.9 39.9 14.5 28.4 24.8 30.6 17.0 33.6 20.6

Economizer Cycle ........................................ 8.2 23.4 14.4 19.9 25.9 18.4 43.8 26.0 26.1 19.2

HVAC Maintenance ..................................... 4.8 19.9 7.9 18.1 16.9 14.3 11.4 11.2 14.0 13.3

Energy Management and

Control System (EMCS) .............................. 10.3 30.7 39.0 18.2 30.6 17.4 40.3 20.4 20.2 27.7

Lighting Conservation Features

(more than one may apply)

Specular Reflectors ..................................... 8.8 40.1 20.0 18.0 31.8 26.2 21.5 20.0 32.9 21.6

Electronic Ballasts ....................................... 5.3 22.1 13.4 13.5 17.0 19.0 14.5 10.4 22.7 14.3

Skylights or Atriums ..................................... 8.6 37.1 23.6 16.2 50.0 6.7 23.9 25.6 39.2 21.9

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 256
New 

England

Middle 

Atlantic

East

North 

Central

West

North 

Central

South 

Atlantic

East

South 

Central

West

South 

Central Mountain Pacific

All Buildings ....................................................... 3.5 9.4 9.5 5.3 9.4 9.1 8.6 7.4 10.8 7.6

Building Floorspace

(Square Feet)

1,001 to 5,000 ...................................................... 6.1 27.2 16.3 20.8 20.5 15.7 23.5 13.2 11.2 18.4

5,001 to 10,000 .................................................... 7.1 24.6 18.7 17.9 31.4 10.2 26.8 21.4 24.2 17.9

10,001 to 25,000 .................................................. 6.8 20.5 24.5 11.3 24.4 21.7 11.2 16.4 26.1 15.3

25,001 to 50,000 .................................................. 6.8 21.4 14.7 12.5 13.9 15.5 17.7 24.3 16.2 9.0

50,001 to 100,000 ................................................ 10.2 16.8 24.2 14.2 20.1 18.3 21.6 17.6 19.9 16.1

100,001 to 200,000 .............................................. 6.4 21.0 11.3 12.2 19.2 15.3 22.2 20.8 16.5 22.5

200,001 to 500,000 .............................................. 6.6 33.5 17.3 16.1 22.0 16.1 33.4 19.9 23.7 12.9

Over 500,000 ....................................................... 11.1 59.6 18.0 24.0 25.3 18.3 33.5 42.3 48.9 31.9

Principal Building Activity

Education ............................................................. 6.2 20.3 19.4 17.7 18.5 16.8 30.1 10.9 33.0 13.2

Food Sales ........................................................... 16.0 99.7 51.9 61.7 54.3 15.1 27.7 32.4 45.0 33.1

Food Service ........................................................ 9.7 70.6 48.0 19.8 59.8 31.4 35.6 29.1 44.4 17.9

Health Care .......................................................... 7.6 23.9 16.9 19.4 20.7 18.8 22.6 13.0 34.1 22.5

 Inpatient ............................................................. 9.9 25.8 17.4 27.6 25.6 33.0 29.5 14.5 39.4 30.4

 Outpatient ........................................................... 10.3 42.1 54.2 23.1 38.9 24.0 41.5 31.7 51.8 32.4

Lodging ................................................................ 11.0 24.6 23.2 17.9 35.4 27.9 32.6 22.3 35.0 30.3

Mercantile ............................................................. 8.8 32.0 21.0 22.8 23.1 15.3 22.2 16.5 24.2 16.9

 Retail (Other Than Mall) ..................................... 10.7 58.2 22.2 25.7 40.1 19.0 35.3 15.2 20.3 26.8

 Enclosed and Strip Malls ................................... 10.3 29.8 27.9 29.9 21.3 23.3 42.4 25.4 38.0 18.1

Office .................................................................... 6.9 27.4 13.3 14.7 28.7 13.4 17.1 22.3 13.7 14.9

Public Assembly ................................................... 10.8 34.5 28.8 21.9 21.3 14.9 32.6 21.6 22.3 50.0

Public Order and Safety ....................................... 22.2 43.6 49.1 31.7 28.5 35.1 34.2 44.4 47.1 40.1

Religious Worship ................................................ 12.0 38.1 35.9 21.6 42.9 19.0 50.1 40.5 56.4 17.9

Service ................................................................. 11.8 42.7 45.3 21.4 23.6 32.9 40.9 23.9 38.3 36.2

Warehouse and Storage ...................................... 9.4 30.6 25.6 16.2 14.3 21.4 17.9 27.2 37.9 28.7

Other .................................................................... 13.6 54.7 41.5 42.3 79.7 42.4 52.2 51.2 46.3 30.8

Vacant .................................................................. 12.2 50.5 44.1 20.4 27.7 43.6 64.6 51.2 14.0 30.8

Year Constructed

1919 or Before ..................................................... 7.2 22.0 22.2 14.1 35.6 32.7 44.8 38.0 39.0 36.1

1920 to 1945 ........................................................ 9.0 23.6 27.6 15.7 26.5 31.2 44.1 25.4 25.8 23.1

1946 to 1959 ........................................................ 7.7 22.9 17.9 17.8 23.1 19.1 29.3 17.5 19.8 22.6

1960 to 1969 ........................................................ 6.2 30.3 14.0 11.6 20.6 16.2 33.6 14.2 21.4 11.7

1970 to 1979 ........................................................ 5.8 39.3 19.6 12.9 15.4 8.7 19.3 13.5 27.9 13.5

1980 to 1989 ........................................................ 6.1 28.8 24.9 15.6 26.2 16.7 17.1 13.5 16.6 15.1

1990 to 1999 ........................................................ 6.3 30.7 14.9 14.7 22.5 18.5 26.0 14.9 17.5 14.0

Floors

One ...................................................................... 4.9 26.0 11.8 6.7 12.1 14.7 16.2 8.3 20.4 12.7

Two ...................................................................... 6.1 17.5 15.9 15.4 18.5 10.0 14.7 17.7 19.0 17.6

Three .................................................................... 7.4 21.6 23.0 7.4 22.7 15.6 41.3 30.8 26.4 20.6

Four to Nine ......................................................... 5.7 27.4 18.8 15.7 19.6 15.5 50.5 34.1 28.8 13.7

Ten or More .......................................................... 10.7 63.9 20.2 16.8 35.0 20.8 45.5 32.7 48.9 32.2

Workers (main shift)

Fewer than 5 ........................................................ 6.3 27.9 26.0 13.2 19.8 17.3 7.1 14.2 21.7 18.1

5 to 9 .................................................................... 7.6 16.3 27.1 11.8 21.9 15.1 29.6 13.4 18.6 18.3

10 to 19 ................................................................ 6.7 26.5 24.0 21.9 26.0 14.0 19.5 22.0 36.8 14.9

20 to 49 ................................................................ 6.6 18.3 17.6 15.0 22.7 11.8 12.4 17.4 16.7 12.4

50 to 99 ................................................................ 8.9 29.0 19.5 15.6 14.8 18.5 14.1 9.8 29.1 17.1

100 to 249 ............................................................ 7.2 16.9 17.5 18.5 23.9 17.1 26.7 13.3 18.2 16.9

250 or More .......................................................... 6.3 29.0 12.4 14.0 11.9 13.5 9.9 29.6 21.6 15.3

RSEs for Table B5. Census Region and Division, Floorspace, 1999

Northeast Midwest South West

All

Buildings

RSEs forTotal Floorspace

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 257
New 

England

Middle 

Atlantic

East

North 

Central

West

North 

Central

South 

Atlantic

East

South 

Central

West

South 

Central Mountain Pacific

RSEs for Table B5. Census Region and Division, Floorspace, 1999

Northeast Midwest South West

All

Buildings

RSEs forTotal Floorspace

Weekly Operating Hours

39 or Fewer .......................................................... 9.8 40.6 37.9 19.2 33.2 16.8 34.0 27.1 18.5 21.6

40 to 48 ................................................................ 6.1 26.7 23.3 11.5 16.6 15.3 22.8 11.3 20.6 15.0

49 to 60 ................................................................ 6.1 19.1 16.4 11.2 16.5 13.8 14.3 14.9 20.4 12.1

61 to 84 ................................................................ 6.1 27.1 18.0 9.7 16.9 12.5 21.7 9.3 24.0 12.8

85 to 167 .............................................................. 7.0 24.3 18.8 15.9 21.7 17.9 25.6 17.1 24.3 14.9

Open Continuously ............................................... 5.0 14.3 12.9 8.4 19.1 16.3 15.3 17.5 19.6 17.0

Ownership and Occupancy

Nongovernment Owned ....................................... 4.2 12.1 10.6 6.1 13.6 9.2 7.1 7.6 12.5 9.4

 Owner Occupied ................................................ 4.5 16.8 13.3 7.3 13.6 8.3 6.3 11.0 17.4 8.9

 Nonowner Occupied ........................................... 6.4 19.0 18.4 11.9 21.5 13.8 20.2 15.4 13.6 12.9

 Unoccupied ........................................................ 14.6 79.3 41.1 24.2 44.9 47.4 68.7 34.1 8.8 36.6

Government Owned ............................................. 4.6 18.5 14.4 13.6 20.5 14.1 19.6 18.2 12.4 11.5

Vacancy Status

Completely Vacant ............................................... 14.5 84.7 100.1 25.0 40.1 50.6 100.6 40.8 15.8 34.4

Mostly Vacant ....................................................... 20.0 69.3 43.0 37.4 37.1 34.6 70.6 74.7 30.3 45.9

Partially Vacant .................................................... 6.2 31.2 14.1 8.6 13.8 14.1 21.6 16.8 23.5 10.2

Not At All Vacant .................................................. 3.4 10.1 10.7 4.9 11.8 10.1 7.3 5.5 13.7 8.6

Number of Establishments

One ...................................................................... 3.5 9.7 10.1 5.3 12.6 8.1 10.2 7.6 14.0 9.2

2 to 5 .................................................................... 6.5 20.6 19.9 12.4 24.7 17.1 14.0 17.6 23.6 20.1

6 to 10 .................................................................. 10.1 43.8 27.1 24.7 32.4 27.8 14.5 33.8 36.3 20.2

11 to 20 ................................................................ 12.1 44.5 25.9 22.4 28.5 21.9 18.5 23.4 35.8 34.6

More than 20 ........................................................ 10.2 47.8 23.4 21.0 18.6 18.6 49.6 20.1 33.0 22.1

Currently Unoccupied ........................................... 13.5 61.9 42.0 22.6 41.1 46.5 68.7 32.3 9.7 36.0

Energy Sources (more than

one may apply)

Electricity .............................................................. 3.5 9.5 9.4 5.5 9.7 9.4 8.8 7.0 12.0 7.5

Natural Gas .......................................................... 3.9 19.2 7.5 6.6 11.0 13.8 12.7 7.0 15.1 8.9

Fuel Oil ................................................................. 6.9 15.0 13.3 16.6 14.5 14.6 28.9 14.7 19.2 17.5

District Heat ......................................................... 9.9 28.9 17.5 28.0 29.7 21.3 50.3 35.8 46.7 21.8

District Chilled Water ........................................... 12.1 45.6 29.6 36.6 36.6 21.9 43.3 33.7 43.7 22.3

Propane ................................................................ 10.9 18.8 24.7 27.8 38.7 30.2 49.5 32.3 35.4 35.1

Other .................................................................... 14.0 51.8 33.5 29.7 51.5 24.8 27.4 34.6 38.9 30.9

Energy End Uses (more than

one may apply)

Buildings with Space Heating .............................. 3.5 9.9 9.5 5.6 9.6 9.7 7.6 6.4 11.4 7.6

Buildings with Cooling .......................................... 3.8 13.1 9.7 7.1 9.5 9.6 9.6 7.1 13.8 6.9

Buildings with Water Heating ............................... 3.7 12.1 9.0 5.0 10.7 9.9 9.9 7.6 12.7 7.8

Buildings with Cooking ......................................... 4.4 16.6 11.3 8.7 15.5 11.0 19.1 12.6 15.4 11.1

Buildings with Manufacturing ............................... 12.7 43.3 37.2 30.6 47.4 26.0 15.2 26.3 50.9 37.1

Buildings with Electricity

 Generation .......................................................... 7.4 33.6 14.4 17.5 16.6 13.0 28.5 13.6 17.4 18.2

Percent of Floorspace Heated

Not Heated ........................................................... 11.3 39.0 40.8 25.3 39.8 23.7 48.7 25.7 12.0 22.0

1 to 50 .................................................................. 8.0 37.9 26.6 17.7 40.5 19.5 17.7 16.4 35.9 19.9

51 to 99 ................................................................ 7.1 25.2 21.0 22.5 24.9 14.1 22.1 15.2 25.7 17.1

100 ....................................................................... 4.0 13.9 9.0 6.3 11.2 12.3 9.7 6.3 11.7 14.8

Percent of Floorspace Cooled

Not Cooled ........................................................... 8.8 27.0 32.1 21.5 30.9 16.6 40.0 27.3 15.3 20.9

1 to 50 .................................................................. 6.9 20.3 17.1 11.2 15.2 17.1 21.8 19.0 28.7 16.4

51 to 99 ................................................................ 4.5 13.1 14.8 9.6 9.2 10.4 20.6 13.3 24.2 14.1

100 ....................................................................... 5.2 38.9 10.1 8.4 17.9 13.9 10.4 9.7 12.7 8.7

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 258
New 

England

Middle 

Atlantic

East

North 

Central

West

North 

Central

South 

Atlantic

East

South 

Central

West

South 

Central Mountain Pacific

RSEs for Table B5. Census Region and Division, Floorspace, 1999

Northeast Midwest South West

All

Buildings

RSEs forTotal Floorspace

Percent Lit When Open

Zero ...................................................................... 32.5 100.1 91.6 58.8 0.0 81.3 37.8 108.3 82.0 100.1

1 to 50 .................................................................. 8.1 30.4 24.4 17.9 15.5 13.3 28.0 26.7 23.5 21.6

51 to 99 ................................................................ 4.9 14.4 10.4 12.5 16.2 11.9 16.2 10.1 20.8 10.3

100 ....................................................................... 4.2 22.0 12.1 6.7 11.3 10.0 9.0 14.7 12.4 9.3

Building Never Open/

 Electricity Not Used ............................................. 12.9 48.8 55.2 18.6 32.8 29.3 52.0 44.4 14.2 32.0

Heating Equipment (more

than one may apply)

Heat Pumps ......................................................... 6.3 37.5 14.8 24.5 26.4 10.7 15.2 13.0 23.4 13.5

Furnaces .............................................................. 5.5 24.0 17.7 10.8 16.8 21.9 13.3 15.1 25.1 14.5

Individual Space Heaters ..................................... 5.0 23.0 18.0 11.4 13.9 10.6 10.6 9.3 14.1 13.5

District Heat ......................................................... 9.9 28.9 17.2 28.1 29.7 24.7 30.6 32.3 51.4 23.1

Boilers .................................................................. 5.6 18.9 10.1 10.2 12.5 12.8 13.8 9.7 16.7 15.5

Packaged Heating Units ...................................... 4.8 17.0 11.1 9.8 10.6 12.4 10.1 8.1 13.1 13.9

Other .................................................................... 7.9 36.8 30.0 23.2 36.5 20.5 29.7 27.2 13.2 21.0

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .................................................. 6.8 22.7 13.5 11.6 16.4 21.3 29.3 17.3 18.5 29.4

Heat Pumps ......................................................... 6.5 41.0 17.9 26.0 29.3 9.6 15.0 12.6 20.2 14.3

Individual Air Conditioners ................................... 5.9 13.4 17.5 11.7 17.0 13.1 25.7 17.4 19.0 20.4

District Chilled Water ........................................... 12.1 45.6 29.6 36.6 36.6 21.9 43.3 33.7 43.7 22.3

Central Chillers .................................................... 6.0 31.4 11.7 10.2 15.9 19.5 11.0 19.1 16.0 15.8

Packaged Air Conditioning

 Units .................................................................... 4.0 15.3 9.0 8.4 9.1 10.5 9.9 6.4 13.7 11.3

Swamp Coolers .................................................... 17.5 68.4 71.1 47.8 51.7 40.6 56.4 56.2 30.4 24.9

Other .................................................................... 16.3 51.6 46.2 34.7 47.0 28.2 28.1 42.1 41.6 36.0

Main Equipment Replaced Since

1995 (more than one may apply)

Heating ................................................................. 7.6 24.6 15.3 20.2 15.7 11.5 20.8 15.1 30.0 13.1

Cooling ................................................................. 5.5 20.3 15.3 12.1 9.6 8.5 22.5 11.1 24.5 12.9

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ............................................ 4.5 12.3 9.4 6.9 9.9 12.4 5.1 14.2 11.1 12.9

Tinted, Reflective, or

 Shading Glass ..................................................... 4.8 21.5 10.7 8.7 13.1 9.4 12.6 12.3 16.5 9.1

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ................................ 5.4 33.0 9.7 7.6 14.6 12.3 16.8 20.9 8.8 13.1

Economizer Cycle ................................................ 5.2 24.4 11.3 9.6 12.0 13.1 13.5 27.4 8.7 11.3

HVAC Maintenance ............................................. 3.9 12.6 9.1 7.7 10.5 9.7 10.2 9.2 11.1 9.7

Energy Management and

 Control System (EMCS) ...................................... 5.4 29.2 7.7 7.5 12.8 10.4 12.3 19.0 7.5 14.0

Lighting Conservation Features

(more than one may apply)

Specular Reflectors .............................................. 6.0 27.2 9.4 14.0 20.1 9.0 17.0 13.3 13.6 13.6

Electronic Ballasts ................................................ 3.9 11.5 8.7 6.9 12.6 9.2 13.4 10.0 14.4 7.9

Skylights or Atriums ............................................. 5.8 27.6 12.2 10.3 15.8 10.2 18.3 18.0 17.9 13.0

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 259
1,001 to 

5,000

Square 

Feet

5,001 to 

10,000

Square 

Feet

10,001 to 

25,000

Square 

Feet

25,001 to 

50,000

Square 

Feet

50,001 to 

100,000

Square 

Feet

100,001 to 

200,000 

Square 

Feet

200,001 to 

500,000 

Square 

Feet

Over 

500,000 

Square 

Feet

All Buildings ............................................... 4.2 6.8 6.7 7.1 6.9 10.3 6.3 6.5 10.7

Principal Building Activity

Education .................................................... 12.3 21.2 32.0 18.5 7.4 13.9 14.3 15.4 48.8

Food Sales .................................................. 17.2 19.9 49.5 51.4 21.4 26.3 56.5 0.0 0.0

Food Service ............................................... 9.3 12.2 24.5 39.1 32.6 70.7 69.6 0.0 0.0

Health Care ................................................. 17.6 26.8 36.5 30.1 20.7 27.1 25.1 17.9 14.1

 Inpatient ..................................................... 25.6 0.0 0.0 65.2 43.4 40.7 28.8 19.5 13.8

 Outpatient .................................................. 19.1 26.8 36.5 24.6 21.3 36.8 41.2 42.1 100.1

Lodging ........................................................ 11.4 33.0 25.6 28.3 21.7 14.0 22.8 19.4 54.7

Mercantile .................................................... 9.1 14.5 20.8 15.6 19.2 25.3 13.5 19.5 19.5

 Retail (Other Than Mall) ............................ 10.8 15.5 25.4 19.6 22.9 30.6 16.0 37.4 100.8

 Enclosed and Strip Malls ........................... 17.7 71.6 35.3 27.6 22.2 27.0 16.8 24.6 19.6

Office ........................................................... 8.3 11.4 16.9 19.2 14.3 20.3 12.5 13.5 20.4

Public Assembly .......................................... 13.5 20.6 26.1 23.0 21.9 28.2 26.7 26.9 38.8

Public Order and Safety .............................. 28.1 46.8 55.2 44.0 22.4 33.0 43.2 34.2 90.3

Religious Worship ....................................... 12.1 27.1 24.9 18.7 29.9 49.1 61.7 0.0 16.5

Service ........................................................ 12.8 17.8 20.5 30.2 36.5 45.8 82.8 54.1 62.3

Warehouse and Storage ............................. 12.4 19.5 20.2 19.5 12.9 24.9 18.3 22.2 18.3

Other ............................................................ 22.0 41.1 23.2 40.6 36.4 30.4 33.5 51.9 69.0

Vacant ......................................................... 14.5 20.6 28.9 44.8 23.4 36.6 40.7 42.9 63.1

Year Constructed

1919 or Before ............................................. 11.3 22.5 21.4 24.4 14.8 21.4 23.8 37.9 58.3

1920 to 1945 ................................................ 10.9 15.6 21.2 22.3 17.3 25.0 27.3 28.3 38.6

1946 to 1959 ................................................ 6.7 11.2 14.1 18.9 16.1 16.9 16.6 22.1 27.9

1960 to 1969 ................................................ 7.4 12.8 15.1 17.1 14.0 17.2 13.8 15.3 19.2

1970 to 1979 ................................................ 8.1 10.7 17.5 14.3 12.1 12.3 13.0 12.4 26.8

1980 to 1989 ................................................ 7.4 12.2 15.6 14.1 13.5 14.3 14.1 13.6 19.2

1990 to 1999 ................................................ 12.9 19.7 23.1 18.2 10.6 11.4 10.5 12.4 17.7

Floors

One .............................................................. 5.4 7.3 8.5 9.9 7.9 13.8 8.8 19.9 19.8

Two .............................................................. 7.4 11.9 13.6 12.1 11.6 14.1 14.3 16.5 20.9

Three ........................................................... 9.0 22.0 20.9 13.4 12.4 15.6 13.4 17.7 33.6

Four to Nine ................................................. 9.8 56.4 33.4 31.3 14.9 12.9 10.4 12.0 19.1

Ten or More ................................................. 12.7 0.0 0.0 100.0 105.4 31.1 21.2 15.7 11.2

Census Region

Northeast ..................................................... 8.0 8.0 15.7 18.6 15.5 17.6 10.2 16.0 24.8

Midwest ....................................................... 9.7 15.1 15.5 12.3 9.3 12.5 9.5 12.9 19.3

South ........................................................... 5.6 10.3 8.8 11.1 11.5 12.7 10.9 12.1 22.6

West ............................................................ 10.8 16.1 12.9 11.3 7.8 13.6 13.4 11.6 23.0

Workers (main shift)

Fewer than 5 ................................................ 6.0 7.8 11.6 14.1 13.4 22.6 30.4 39.9 51.9

5 to 9 ............................................................ 7.9 11.4 14.8 17.1 17.3 43.2 33.3 44.1 0.0

10 to 19 ........................................................ 7.6 16.9 12.7 14.0 12.3 20.0 26.3 37.5 53.8

20 to 49 ........................................................ 9.0 27.6 20.0 11.0 10.0 11.1 13.1 23.5 70.3

50 to 99 ........................................................ 10.7 70.9 52.4 22.3 12.1 13.7 11.5 20.3 47.3

100 to 249 .................................................... 11.7 92.5 80.5 31.2 11.4 15.5 10.0 12.4 26.3

250 or More ................................................. 8.6 0.0 0.0 72.6 38.9 19.9 12.0 8.7 11.0

Weekly Operating Hours

39 or Fewer ................................................. 10.3 12.9 16.4 20.0 15.8 25.1 31.5 34.0 68.4

40 to 48 ........................................................ 5.9 9.4 12.2 14.1 10.2 14.7 16.9 25.5 53.5

49 to 60 ........................................................ 8.2 15.2 12.9 11.9 11.9 13.0 12.4 12.4 29.5

61 to 84 ........................................................ 9.6 14.3 18.3 16.5 12.8 16.5 11.5 12.6 18.2

85 to 167 ...................................................... 7.7 13.7 24.4 18.5 16.4 12.0 12.2 14.2 26.2

Open Continuously ...................................... 10.4 18.3 28.6 18.3 13.9 12.5 12.1 12.2 12.8

RSEs for Table B6. Building Size, Number of Buildings, 1999

Building Size

All 

Buildings 

RSEs for Number of Buildings

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 260
1,001 to 

5,000

Square 

Feet

5,001 to 

10,000

Square 

Feet

10,001 to 

25,000

Square 

Feet

25,001 to 

50,000

Square 

Feet

50,001 to 

100,000

Square 

Feet

100,001 to 

200,000 

Square 

Feet

200,001 to 

500,000 

Square 

Feet

Over 

500,000 

Square 

Feet

RSEs for Table B6. Building Size, Number of Buildings, 1999

Building Size

All 

Buildings 

RSEs for Number of Buildings

Ownership and Occupancy

Nongovernment Owned .............................. 4.5 7.1 7.8 8.0 8.4 11.5 6.7 8.3 12.6

 Owner Occupied ........................................ 5.4 8.3 9.8 8.8 9.7 11.6 7.7 8.5 13.4

 Nonowner Occupied .................................. 5.8 9.2 14.4 12.4 12.4 14.8 12.6 16.8 26.6

 Unoccupied ............................................... 17.1 21.7 27.7 40.8 28.3 49.9 55.2 46.6 70.9

Government Owned .................................... 9.0 15.6 17.7 16.8 7.9 10.0 10.3 11.3 18.2

Vacancy Status

Completely Vacant ...................................... 20.7 29.2 34.5 21.3 40.2 45.3 54.4 57.4 0.0

Mostly Vacant .............................................. 22.9 28.9 41.0 75.5 29.1 57.6 46.0 59.5 63.1

Partially Vacant ............................................ 7.3 13.1 15.6 13.6 10.1 14.2 9.8 12.1 16.8

Not At All Vacant ......................................... 4.4 7.6 7.4 8.1 7.9 10.3 7.3 6.8 11.2

Number of Establishments

One .............................................................. 4.7 7.6 8.4 8.5 6.8 10.8 7.7 7.6 11.8

2 to 5 ............................................................ 9.4 15.4 15.3 18.0 11.4 16.6 16.5 19.2 24.7

6 to 10 .......................................................... 15.0 66.6 41.9 20.5 20.8 19.6 24.5 25.0 41.4

11 to 20 ........................................................ 16.8 74.5 71.1 47.6 22.5 19.4 18.5 22.5 53.6

More than 20 ............................................... 25.4 74.1 99.1 62.1 54.0 26.1 18.7 16.4 13.0

Currently Unoccupied .................................. 16.4 20.3 27.7 37.0 28.3 38.7 45.2 38.6 70.9

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 6.6 7.0 7.1 6.9 10.3 6.4 6.4 10.7

Natural Gas ................................................. 4.8 8.6 10.1 7.6 7.0 10.6 8.1 6.5 11.4

Fuel Oil ........................................................ 16.7 25.2 28.6 19.6 19.5 15.0 10.2 9.1 17.8

District Heat ................................................. 15.5 39.9 44.2 30.8 21.8 13.4 13.4 14.6 19.3

District Chilled Water ................................... 27.2 75.7 82.1 21.3 28.4 14.5 15.2 21.9 28.3

Propane ....................................................... 15.0 19.6 23.2 27.1 24.5 25.0 19.0 19.5 34.4

Other ............................................................ 18.8 25.4 47.3 38.6 37.3 20.2 31.2 40.7 42.3

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 7.1 7.9 7.0 7.3 10.3 6.6 6.2 10.6

Buildings with Cooling ................................. 3.9 6.3 8.6 7.3 8.0 10.4 6.7 6.4 11.6

Buildings with Water Heating ...................... 4.4 6.9 8.5 7.0 7.1 10.6 6.8 6.3 11.3

Buildings with Cooking ................................ 5.8 10.8 19.4 14.9 10.3 10.8 9.8 7.6 12.3

Buildings with Manufacturing ....................... 16.7 28.6 40.8 29.9 21.6 28.6 32.7 28.4 42.7

Buildings with Electricity

 Generation .................................................. 14.2 37.6 50.4 27.2 11.8 14.6 9.8 10.5 16.7

Percent of Floorspace Heated

Not Heated .................................................. 10.5 13.2 15.8 23.6 18.2 29.3 27.2 33.3 63.2

1 to 50 .......................................................... 10.9 17.8 18.9 19.2 14.9 22.5 23.7 23.0 32.6

51 to 99 ........................................................ 8.2 13.0 16.5 15.0 14.1 20.3 18.2 16.6 15.9

100 ............................................................... 4.8 7.9 9.1 9.2 8.0 9.4 7.5 7.1 12.0

Percent of Floorspace Cooled

Not Cooled .................................................. 10.4 13.7 13.3 19.4 16.1 19.3 32.9 33.1 49.8

1 to 50 .......................................................... 9.1 12.6 16.3 14.8 11.3 15.0 14.4 12.9 21.1

51 to 99 ........................................................ 6.9 10.0 17.3 15.1 13.0 14.4 10.4 10.4 12.4

100 ............................................................... 4.5 7.3 11.6 8.9 10.5 10.7 9.1 12.3 24.1

Percent Lit When Open

Zero ............................................................. 49.1 56.0 81.7 49.0 43.7 0.0 100.1 0.0 0.0

1 to 50 .......................................................... 9.0 13.1 13.4 17.2 14.4 19.7 22.5 35.5 37.5

51 to 99 ........................................................ 6.4 10.0 11.6 12.1 9.7 13.9 9.7 9.7 12.8

100 ............................................................... 5.8 9.1 11.6 8.7 8.4 10.5 7.9 9.1 13.8

Building Never Open/

 Electricity Not Used .................................... 13.0 16.8 21.2 33.4 27.1 33.6 41.1 37.9 60.2

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 261
1,001 to 

5,000

Square 

Feet

5,001 to 

10,000

Square 

Feet

10,001 to 

25,000

Square 

Feet

25,001 to 

50,000

Square 

Feet

50,001 to 

100,000

Square 

Feet

100,001 to 

200,000 

Square 

Feet

200,001 to 

500,000 

Square 

Feet

Over 

500,000 

Square 

Feet

RSEs for Table B6. Building Size, Number of Buildings, 1999

Building Size

All 

Buildings 

RSEs for Number of Buildings

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 10.5 15.6 21.3 19.4 13.7 11.7 16.3 14.7 20.9

Furnaces ...................................................... 7.4 10.0 13.7 12.7 13.2 20.1 14.9 18.3 19.9

Individual Space Heaters ............................ 6.7 11.6 14.0 14.0 11.0 14.0 11.1 12.7 13.0

District Heat ................................................. 16.5 44.3 60.4 33.2 22.8 13.7 13.2 14.1 19.1

Boilers ......................................................... 7.9 16.6 17.2 15.1 11.4 12.1 9.6 9.6 17.0

Packaged Heating Units .............................. 6.3 12.0 16.7 9.7 9.0 11.7 8.6 9.3 10.3

Other ............................................................ 15.1 23.7 35.4 32.0 23.9 15.7 23.0 20.3 22.4

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 10.3 13.8 19.2 22.0 14.6 17.8 18.6 20.4 27.7

Heat Pumps ................... 10.4 15.8 20.8 19.6 14.0 11.6 15.9 14.7 21.7

Individual Air Conditioners ........................... 8.0 12.5 18.5 15.6 11.7 14.1 12.0 13.7 18.4

District Chilled Water ................................... 27.2 75.7 82.1 21.3 28.4 14.5 15.2 21.9 28.3

Central Chillers ............................................ 14.5 66.5 60.0 15.7 17.2 16.7 12.6 9.7 12.4

Packaged Air Conditioning

 Units ........................................................... 4.7 8.7 11.6 7.6 8.4 10.7 6.4 8.3 10.7

Swamp Coolers ........................................... 17.0 17.8 37.7 32.6 44.7 30.0 22.1 39.3 56.0

Other ............................................................ 29.6 68.7 56.5 38.9 25.7 24.4 29.8 39.5 46.9

Main Equipment Replaced Since

1995 (more than one may apply)

Heating ........................................................ 6.8 12.3 16.4 15.4 10.4 15.7 16.8 17.0 21.5

Cooling ........................................................ 5.9 11.2 13.5 10.9 10.1 12.5 12.2 9.8 17.6

Lighting Equipment Types

(more than one may apply)

Incandescent ............................................... 4.9 8.7 10.4 9.3 9.3 10.7 8.2 8.5 14.4

Standard Fluorescent .................................. 4.1 6.8 7.4 7.3 7.6 10.1 6.3 6.6 11.1

Compact Fluorescent .................................. 9.0 18.7 17.0 12.1 11.4 12.3 9.2 8.1 13.6

High Intensity Discharge .............................. 10.9 27.5 26.5 20.7 10.0 13.9 8.0 8.0 13.5

Halogen ....................................................... 9.1 17.5 22.7 14.9 11.9 10.4 8.6 9.2 11.0

Other ............................................................ 32.3 43.4 45.3 52.6 35.7 40.7 64.7 37.7 34.5

Personal Computers

None ............................................................ 7.0 9.2 12.5 18.0 17.0 24.6 34.5 38.1 59.7

1 to 4 ............................................................ 7.2 10.5 11.6 11.7 14.4 17.8 15.6 39.5 54.0

5 to 9 ............................................................ 8.1 11.6 18.6 13.7 12.1 20.6 19.5 42.7 50.8

10 to 19 ........................................................ 11.6 21.9 18.9 19.7 14.8 13.6 18.8 23.0 46.4

20 to 49 ........................................................ 11.1 43.1 33.4 17.4 12.7 15.9 14.6 15.6 23.6

50 to 99 ........................................................ 11.0 103.4 50.6 29.1 16.9 13.1 18.1 18.4 34.8

100 to 249 .................................................... 8.8 99.6 101.0 49.2 11.9 14.2 13.5 13.5 23.4

250 or More ................................................. 8.5 0.0 0.0 0.0 30.0 22.3 13.5 8.9 10.8

Photocopiers

None ............................................................ 5.4 7.5 9.0 11.6 9.8 15.1 16.1 27.2 41.2

One .............................................................. 6.8 9.4 12.6 11.5 8.7 14.7 14.4 27.1 63.5

2 to 4 ............................................................ 7.9 20.4 18.0 14.8 9.7 12.1 11.4 13.2 15.5

5 to 9 ............................................................ 17.7 100.1 57.8 21.2 12.0 16.3 13.6 11.9 29.0

10 or More ................................................... 12.0 0.0 0.0 61.1 23.4 15.9 10.3 11.0 12.8

Other Electronic Equipment

(more than one may apply)

Laser Printers .............................................. 5.1 9.4 9.2 8.6 7.4 10.6 7.1 6.0 10.7

FAX Machines ............................................. 5.1 9.1 7.7 7.8 7.8 10.2 6.6 5.8 10.7

Medical Diagnostic Equipment .................... 19.8 32.4 41.9 26.9 18.7 28.6 26.3 18.1 14.2

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 262
1,001 to 

5,000

Square 

Feet

5,001 to 

10,000

Square 

Feet

10,001 to 

25,000

Square 

Feet

25,001 to 

50,000

Square 

Feet

50,001 to 

100,000

Square 

Feet

100,001 to 

200,000 

Square 

Feet

200,001 to 

500,000 

Square 

Feet

Over 

500,000 

Square 

Feet

RSEs for Table B6. Building Size, Number of Buildings, 1999

Building Size

All 

Buildings 

RSEs for Number of Buildings

Energy-Related Space Functions

(more than one may apply)

Commercial Food Preparation .................... 5.8 12.1 16.3 16.6 10.5 11.1 10.1 7.7 12.3

Activities with Large

 Amounts of Hot Water ................................ 6.3 12.9 17.7 13.7 10.4 8.8 9.4 7.8 11.9

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 6.5 10.0 9.4 10.6 8.1 11.0 7.6 7.8 12.8

Tinted, Reflective, or

 Shading Glass ............................................ 5.7 9.6 14.0 9.7 8.1 11.7 7.9 7.7 15.3

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ....................... 9.8 21.4 21.2 17.0 10.2 11.9 9.8 9.1 12.2

Economizer Cycle ........................................ 8.2 15.3 21.8 12.8 8.1 12.8 9.2 9.6 12.4

HVAC Maintenance ..................................... 4.8 7.6 9.0 7.1 7.7 10.4 6.4 6.2 10.7

Energy Management and

 Control System (EMCS) ............................. 10.3 24.6 33.8 16.2 11.6 9.5 8.7 8.5 12.1

Lighting Conservation Features

(more than one may apply)

Specular Reflectors ..................................... 8.8 14.9 16.5 12.3 9.6 11.6 9.0 9.2 14.2

Electronic Ballasts ....................................... 5.3 9.9 9.6 9.3 6.8 11.0 7.4 6.7 11.1

Skylights or Atriums ..................................... 8.6 19.8 19.8 13.0 9.0 12.5 11.3 10.6 15.2

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 5.0 9.0 9.0 8.3 7.5 11.3 7.9 8.6 17.6

Cooling ........................................................ 4.3 7.7 9.7 8.2 8.7 11.4 7.8 7.9 17.9

Lighting ........................................................ 4.4 7.3 7.1 7.8 7.3 11.3 7.0 7.4 16.5

Office Equipment ......................................... 8.5 61.7 39.0 18.5 14.5 11.7 11.5 12.6 25.1

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 263
1,001 to 

5,000 

Square 

Feet

5,001 to 

10,000 

Square 

Feet

10,001 to 

25,000 

Square 

Feet

25,001 to 

50,000 

Square 

Feet

50,001 to 

100,000 

Square 

Feet

100,001 to 

200,000 

Square 

Feet

200,001 to 

500,000 

Square 

Feet

Over 

500,000 

Square 

Feet

All Buildings ............................................... 3.5 6.1 7.1 6.8 6.8 10.2 6.4 6.6 11.1

Principal Building Activity

Education .................................................... 6.2 19.8 33.9 19.9 7.8 13.2 15.4 17.2 48.5

Food Sales .................................................. 16.0 22.1 53.9 48.2 23.5 26.3 54.6 0.0 0.0

Food Service ............................................... 9.7 13.0 26.0 37.9 33.1 71.2 70.0 0.0 0.0

Health Care ................................................. 7.6 26.4 35.5 24.1 23.0 27.6 24.5 18.5 13.0

 Inpatient ..................................................... 9.9 0.0 0.0 51.1 42.8 40.4 28.0 20.2 12.9

 Outpatient .................................................. 10.3 26.4 35.5 23.1 24.3 37.8 41.5 40.0 100.1

Lodging ........................................................ 11.0 33.5 25.5 28.2 22.7 14.2 25.4 19.9 53.2

Mercantile .................................................... 8.8 14.2 20.5 14.3 18.9 25.6 13.9 20.5 21.3

 Retail (Other Than Mall) ............................ 10.7 15.1 25.6 19.2 23.6 32.0 15.6 35.8 100.8

 Enclosed and Strip Malls ........................... 10.3 63.2 34.6 25.9 21.3 26.8 17.5 24.6 21.5

Office ........................................................... 6.9 11.9 16.0 17.9 14.0 20.7 13.0 13.8 17.4

Public Assembly .......................................... 10.8 22.0 26.3 20.5 22.0 28.6 26.0 30.0 36.4

Public Order and Safety .............................. 22.2 48.2 58.0 45.4 22.1 32.8 45.5 32.8 88.4

Religious Worship ....................................... 12.0 26.5 25.9 19.2 29.4 48.2 61.5 0.0 28.0

Service ........................................................ 11.8 18.4 21.3 29.0 34.6 43.9 80.5 58.0 65.7

Warehouse and Storage ............................. 9.4 21.0 20.7 19.6 11.7 24.5 17.6 21.5 20.1

Other ............................................................ 13.6 45.9 33.9 31.0 40.8 30.6 35.6 49.1 62.1

Vacant ......................................................... 12.2 20.8 30.9 42.0 21.8 35.8 40.4 42.4 78.9

Year Constructed

1919 or Before ............................................. 7.2 22.7 21.8 23.5 15.4 21.1 24.5 40.8 60.4

1920 to 1945 ................................................ 9.0 17.0 20.9 23.0 15.4 24.7 29.5 27.6 36.3

1946 to 1959 ................................................ 7.7 12.4 14.8 17.7 15.4 16.2 16.8 22.4 28.7

1960 to 1969 ................................................ 6.2 12.0 15.1 15.4 14.1 17.4 14.2 15.3 19.0

1970 to 1979 ................................................ 5.8 11.7 17.3 14.0 11.7 12.5 13.9 13.7 24.7

1980 to 1989 ................................................ 6.1 13.7 14.9 13.3 13.7 14.4 14.4 12.9 17.6

1990 to 1999 ................................................ 6.3 18.9 24.0 17.9 10.2 11.4 11.3 12.8 16.7

Floors

One .............................................................. 4.9 6.3 8.8 9.6 7.8 14.1 9.0 19.6 20.0

Two .............................................................. 6.1 11.0 13.5 11.8 11.6 13.9 14.8 16.4 20.2

Three ........................................................... 7.4 22.6 20.4 12.5 11.8 14.8 13.4 18.2 33.1

Four to Nine ................................................. 5.7 52.5 34.0 29.1 15.0 13.1 10.8 12.6 17.4

Ten or More ................................................. 10.7 0.0 0.0 100.0 105.4 29.4 24.0 14.6 13.5

Census Region

Northeast ..................................................... 7.7 12.8 15.7 18.2 15.2 17.1 10.2 15.7 24.7

Midwest ....................................................... 5.0 15.1 15.7 11.5 9.9 12.9 10.2 13.1 17.8

South ........................................................... 5.3 9.3 10.0 10.9 11.3 12.9 11.5 12.6 20.5

West ............................................................ 6.0 11.9 13.0 12.4 7.6 13.3 13.9 11.2 24.8

Workers (main shift)

Fewer than 5 ................................................ 6.3 7.8 12.2 14.5 14.2 21.3 32.2 36.7 56.3

5 to 9 ............................................................ 7.6 11.9 14.1 16.2 17.2 41.1 31.9 42.6 0.0

10 to 19 ........................................................ 6.7 16.7 13.6 13.6 12.5 20.5 25.0 38.4 67.5

20 to 49 ........................................................ 6.6 29.4 20.6 9.9 9.9 11.4 13.6 24.1 66.5

50 to 99 ........................................................ 8.9 71.4 53.0 22.7 11.8 13.6 12.2 21.5 49.5

100 to 249 .................................................... 7.2 84.2 77.4 32.2 11.2 16.0 10.3 12.7 28.1

250 or More ................................................. 6.3 0.0 0.0 76.0 37.5 19.7 12.4 9.5 11.5

Weekly Operating Hours

39 or Fewer ................................................. 9.8 13.3 17.0 22.1 15.4 25.4 32.4 31.8 72.9

40 to 48 ........................................................ 6.1 9.6 12.8 13.5 10.4 14.3 17.4 24.9 52.3

49 to 60 ........................................................ 6.1 15.5 13.7 11.6 11.7 13.3 12.7 13.2 27.1

61 to 84 ........................................................ 6.1 16.9 19.2 16.0 13.2 16.1 12.4 12.4 19.8

85 to 167 ...................................................... 7.0 15.5 25.2 17.1 16.6 12.3 12.5 14.5 23.9

Open Continuously ...................................... 5.0 17.0 26.7 18.3 14.9 13.0 12.4 13.5 14.3

RSEs for Table B7. Building Size, Floorspace, 1999

RSEs for Total Floorspace

All Buildings

Building Size

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 264
1,001 to 

5,000 

Square 

Feet

5,001 to 

10,000 

Square 

Feet

10,001 to 

25,000 

Square 

Feet

25,001 to 

50,000 

Square 

Feet

50,001 to 

100,000 

Square 

Feet

100,001 to 

200,000 

Square 

Feet

200,001 to 

500,000 

Square 

Feet

Over 

500,000 

Square 

Feet

RSEs for Table B7. Building Size, Floorspace, 1999

RSEs for Total Floorspace

All Buildings

Building Size

Ownership and Occupancy

Nongovernment Owned .............................. 4.2 6.6 8.1 7.8 8.4 11.4 6.9 8.4 13.4

 Owner Occupied ........................................ 4.5 8.1 10.5 8.5 9.6 11.5 8.1 8.5 14.5

 Nonowner Occupied .................................. 6.4 10.4 13.1 11.9 12.6 15.1 13.1 16.7 24.6

 Unoccupied ............................................... 14.6 20.6 29.7 45.4 26.9 49.1 50.8 45.9 71.4

Government Owned .................................... 4.6 15.8 17.9 16.7 8.7 10.1 10.5 10.7 19.3

Vacancy Status

Completely Vacant ...................................... 14.5 30.2 39.0 21.3 37.1 44.3 53.8 57.9 0.0

Mostly Vacant .............................................. 20.0 29.0 39.0 72.0 27.4 57.8 46.8 56.7 78.9

Partially Vacant ............................................ 6.2 13.3 15.3 14.2 10.0 14.2 10.5 12.7 17.2

Not At All Vacant ......................................... 3.4 7.1 7.9 7.6 7.7 10.2 7.4 6.6 11.2

Number of Establishments

One .............................................................. 3.5 7.2 8.9 8.1 6.8 10.5 7.8 7.7 12.1

2 to 5 ............................................................ 6.5 16.5 15.3 17.4 11.8 16.7 17.4 19.4 26.6

6 to 10 .......................................................... 10.1 61.8 41.3 18.9 21.3 19.6 23.0 26.4 35.6

11 to 20 ........................................................ 12.1 78.1 71.2 52.9 22.0 19.5 19.0 21.1 48.2

More than 20 ............................................... 10.2 74.7 99.1 66.4 49.4 26.0 19.9 16.6 14.2

Currently Unoccupied .................................. 13.5 19.4 29.7 41.3 26.9 38.8 45.2 36.7 71.4

Energy Sources (more than

one may apply)

Electricity ..................................................... 3.5 6.1 7.4 6.8 6.8 10.2 6.4 6.5 11.1

Natural Gas ................................................. 3.9 8.3 10.4 7.0 7.2 10.5 8.3 6.9 12.0

Fuel Oil ........................................................ 6.9 26.3 30.4 18.9 18.9 15.4 9.8 9.7 17.9

District Heat ................................................. 9.9 43.8 45.7 28.3 20.4 13.2 13.1 15.1 19.4

District Chilled Water ................................... 12.1 75.6 84.9 21.4 29.9 14.5 15.8 19.9 26.3

Propane ....................................................... 10.9 22.2 23.6 26.5 23.2 25.3 18.9 19.7 32.5

Other ............................................................ 14.0 26.6 45.0 36.3 31.0 20.6 32.3 35.7 39.0

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 3.5 6.8 8.2 6.6 7.3 10.2 6.5 6.5 10.9

Buildings with Cooling ................................. 3.8 6.2 8.9 6.9 8.0 10.2 6.6 6.8 11.9

Buildings with Water Heating ...................... 3.7 6.8 8.7 6.9 7.1 10.5 6.7 6.5 11.8

Buildings with Cooking ................................ 4.4 11.3 19.8 14.6 10.6 10.4 9.9 8.0 12.3

Buildings with Manufacturing ....................... 12.7 30.7 41.9 32.3 21.5 27.9 32.8 26.6 43.3

Buildings with Electricity

Generation ................................................... 7.4 38.0 48.8 27.7 12.0 15.2 9.7 11.0 16.7

Percent of Floorspace Heated

Not Heated .................................................. 11.3 14.6 16.7 23.4 19.1 29.0 29.4 30.5 65.1

1 to 50 .......................................................... 8.0 19.4 19.6 18.6 14.7 22.0 23.7 22.7 33.2

51 to 99 ........................................................ 7.1 12.9 16.9 15.3 14.7 20.6 19.6 16.6 18.4

100 ............................................................... 4.0 8.1 9.6 8.9 7.7 9.3 7.6 7.4 11.7

Percent of Floorspace Cooled

Not Cooled .................................................. 8.8 13.3 14.1 19.3 15.2 19.4 34.5 29.8 46.7

1 to 50 .......................................................... 6.9 13.3 16.6 14.2 11.5 14.3 13.9 14.1 21.1

51 to 99 ........................................................ 4.5 9.3 17.5 14.2 13.8 14.6 10.3 10.6 12.9

100 ............................................................... 5.2 7.7 12.1 8.6 10.0 10.7 9.5 13.3 23.6

Percent Lit When Open

Zero ............................................................. 32.5 54.1 82.5 52.6 35.9 0.0 100.1 0.0 0.0

1 to 50 .......................................................... 8.1 13.3 14.1 16.6 14.6 19.6 23.3 33.4 33.6

51 to 99 ........................................................ 4.9 10.2 12.3 11.5 9.6 14.0 9.6 9.8 11.8

100 ............................................................... 4.2 9.6 12.2 8.0 8.3 10.3 7.8 9.9 14.7

Building Never Open/

Electricity Not Used ..................................... 12.9 17.1 22.7 34.3 25.7 33.7 41.4 35.6 65.1

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 265
1,001 to 

5,000 

Square 

Feet

5,001 to 

10,000 

Square 

Feet

10,001 to 

25,000 

Square 

Feet

25,001 to 

50,000 

Square 

Feet

50,001 to 

100,000 

Square 

Feet

100,001 to 

200,000 

Square 

Feet

200,001 to 

500,000 

Square 

Feet

Over 

500,000 

Square 

Feet

RSEs for Table B7. Building Size, Floorspace, 1999

RSEs for Total Floorspace

All Buildings

Building Size

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 6.3 17.5 21.8 19.0 14.6 11.8 16.5 14.6 19.4

Furnaces ...................................................... 5.5 10.1 14.5 11.8 13.2 19.9 13.1 20.0 16.1

Individual Space Heaters ............................ 5.0 12.2 14.7 13.3 10.9 14.0 10.9 13.3 13.4

District Heat ................................................. 9.9 47.9 62.9 25.7 21.3 13.6 13.0 15.0 19.4

Boilers ......................................................... 5.6 18.5 17.3 15.4 10.7 12.2 9.6 9.7 18.4

Packaged Heating Units .............................. 4.8 11.7 16.9 9.3 9.0 11.9 8.8 10.4 11.9

Other ............................................................ 7.9 23.1 35.4 33.7 20.4 15.7 21.2 22.0 23.1

Cooling Equipment (more

than one may apply)

Residential-Type Central

Air Conditioners ........................................... 6.8 15.0 19.4 20.1 14.8 18.1 18.5 21.7 26.7

Heat Pumps ................................................. 6.5 19.2 21.0 19.3 15.4 11.5 15.9 15.4 20.2

Individual Air Conditioners ........................... 5.9 13.5 19.2 16.3 11.2 13.7 11.1 14.7 20.9

District Chilled Water ................................... 12.1 75.6 84.9 21.4 29.9 14.5 15.8 19.9 26.3

Central Chillers ............................................ 6.0 66.2 54.4 14.4 16.0 16.4 13.3 10.0 13.6

Packaged Air Conditioning

Units ............................................................ 4.0 8.6 11.7 6.8 8.5 10.7 6.3 8.8 11.7

Swamp Coolers ........................................... 17.5 25.8 36.8 31.3 46.7 30.1 20.2 40.7 55.1

Other ............................................................ 16.3 67.0 58.7 30.9 24.3 24.5 29.5 40.2 46.4

Main Equipment Replaced Since

1995 (more than one may apply)

Heating ........................................................ 7.6 13.5 15.8 13.7 10.4 15.0 17.1 17.2 22.9

Cooling ........................................................ 5.5 11.1 13.2 9.7 10.0 12.4 12.6 11.0 16.8

Lighting Equipment Types

(more than one may apply)

Incandescent ............................................... 4.2 8.4 10.6 9.0 9.2 10.6 8.6 8.4 14.6

Standard Fluorescent .................................. 3.5 6.6 7.6 6.9 7.4 10.0 6.3 6.7 11.6

Compact Fluorescent .................................. 5.7 20.1 16.3 10.8 11.4 12.5 9.4 8.2 13.3

High Intensity Discharge .............................. 5.4 32.4 25.7 19.9 9.5 13.7 8.3 8.2 13.3

Halogen ....................................................... 4.4 19.1 22.6 14.6 12.5 10.6 9.0 9.5 11.6

Other ............................................................ 14.6 47.8 46.5 43.8 35.5 39.7 63.7 37.9 32.3

Personal Computers

None ............................................................ 6.3 8.6 13.5 17.4 18.8 25.0 36.6 33.4 61.5

1 to 4 ............................................................ 6.4 11.2 11.7 11.5 14.3 18.4 16.1 39.8 69.6

5 to 9 ............................................................ 7.9 12.8 18.8 14.6 12.0 20.0 20.9 40.6 56.6

10 to 19 ........................................................ 8.4 22.3 19.9 18.3 14.9 14.1 19.7 25.2 49.6

20 to 49 ........................................................ 7.4 44.8 32.6 15.9 13.3 16.1 15.3 17.0 22.3

50 to 99 ........................................................ 7.1 103.4 53.5 29.0 15.6 13.2 17.8 20.4 35.7

100 to 249 .................................................... 7.7 99.6 101.0 42.0 11.7 14.4 13.3 13.2 23.2

250 or More ................................................. 6.2 0.0 0.0 0.0 29.7 22.2 14.3 9.4 11.3

Photocopiers

None ............................................................ 5.2 7.0 9.5 11.5 9.8 15.2 16.2 24.1 37.6

One .............................................................. 6.4 9.1 12.8 11.6 8.7 15.2 15.3 29.7 61.9

2 to 4 ............................................................ 5.5 21.1 18.3 14.3 10.1 12.2 11.7 13.9 19.7

5 to 9 ............................................................ 7.6 100.1 57.3 19.4 11.4 15.9 13.9 13.9 24.7

10 or More ................................................... 6.3 0.0 0.0 48.7 22.8 15.5 10.6 11.1 12.1

Other Electronic Equipment

(more than one may apply)

Laser Printers .............................................. 4.2 9.6 8.9 8.5 7.1 10.4 7.1 6.5 11.3

FAX Machines ............................................. 3.8 9.5 7.8 7.4 7.6 10.1 6.5 6.2 11.1

Medical Diagnostic Equipment .................... 7.9 33.4 41.3 26.7 19.2 29.1 25.7 18.8 12.8

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 266
1,001 to 

5,000 

Square 

Feet

5,001 to 

10,000 

Square 

Feet

10,001 to 

25,000 

Square 

Feet

25,001 to 

50,000 

Square 

Feet

50,001 to 

100,000 

Square 

Feet

100,001 to 

200,000 

Square 

Feet

200,001 to 

500,000 

Square 

Feet

Over 

500,000 

Square 

Feet

RSEs for Table B7. Building Size, Floorspace, 1999

RSEs for Total Floorspace

All Buildings

Building Size

Energy-Related Space Functions

(more than one may apply)

Commercial Food Preparation .................... 4.5 12.5 16.9 16.0 10.8 10.6 10.2 8.1 12.4

Activities with Large

Amounts of Hot Water ................................. 4.0 12.8 17.1 13.1 10.5 8.6 10.0 8.1 11.9

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 4.5 9.7 9.3 10.4 7.8 10.8 7.7 8.3 12.9

Tinted, Reflective, or

Shading Glass ............................................. 4.8 10.5 14.1 8.8 7.9 11.7 7.9 7.9 14.2

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ....................... 5.4 22.5 21.1 14.8 10.0 12.0 10.4 9.1 12.3

Economizer Cycle ........................................ 5.2 18.2 22.7 10.4 7.9 12.7 9.4 10.0 12.4

HVAC Maintenance ..................................... 3.9 7.8 9.2 6.7 7.6 10.2 6.4 6.5 11.2

Energy Management and

Control System (EMCS) .............................. 5.4 26.1 35.6 16.1 11.0 9.5 9.1 9.0 12.1

Lighting Conservation Features

(more than one may apply)

Specular Reflectors ..................................... 6.0 16.2 16.1 12.5 9.5 11.9 9.0 9.3 15.3

Electronic Ballasts ....................................... 3.9 10.1 9.4 8.6 6.7 10.9 7.6 7.2 11.3

Skylights or Atriums ..................................... 5.8 19.3 19.9 13.1 9.3 12.3 11.4 10.6 14.9

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 4.0 8.3 9.5 7.8 7.3 11.1 7.5 8.7 17.2

Cooling ........................................................ 4.4 7.2 10.1 7.8 8.7 11.2 7.7 8.4 17.3

Lighting ........................................................ 4.0 6.9 7.6 7.4 7.0 11.1 6.9 6.9 15.9

Office Equipment ......................................... 6.1 59.6 35.0 18.1 13.4 11.4 12.1 12.3 25.8

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 267
1919 or

Before

1920 to

1945

1946 to

1959

1960 to

1969

1970 to

1979

1980 to

1989

1990 to

1999

All Buildings ............................................... 4.2 11.3 10.9 6.7 7.4 8.1 7.4 12.9

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 22.5 15.6 11.2 12.8 10.7 12.2 19.7

5,001 to 10,000 ............................................ 6.7 21.4 21.2 14.1 15.1 17.5 15.6 23.1

10,001 to 25,000 .......................................... 7.1 24.4 22.3 18.9 17.1 14.3 14.1 18.2

25,001 to 50,000 .......................................... 6.9 14.8 17.3 16.1 14.0 12.1 13.5 10.6

50,001 to 100,000 ........................................ 10.3 21.4 25.0 16.9 17.2 12.3 14.3 11.4

100,001 to 200,000 ...................................... 6.3 23.8 27.3 16.6 13.8 13.0 14.1 10.5

200,001 to 500,000 ...................................... 6.5 37.9 28.3 22.1 15.3 12.4 13.6 12.4

Over 500,000 ............................................... 10.7 58.3 38.6 27.9 19.2 26.8 19.2 17.7

Principal Building Activity

Education .................................................... 12.3 35.6 25.9 15.1 18.3 37.4 30.3 25.5

Food Sales .................................................. 17.2 91.3 56.6 43.5 41.5 37.8 35.2 38.1

Food Service ............................................... 9.3 35.8 32.0 38.7 30.3 16.1 27.3 38.9

Health Care ................................................. 17.6 93.2 90.9 42.6 47.9 35.8 36.6 21.2

 Inpatient ..................................................... 25.6 100.0 53.5 36.2 31.3 16.7 32.4 33.1

 Outpatient .................................................. 19.1 84.9 97.8 44.7 55.0 38.3 40.8 21.6

Lodging ........................................................ 11.4 46.3 47.0 31.9 26.3 27.6 24.0 34.7

Mercantile .................................................... 9.1 19.4 34.6 16.7 26.1 22.8 20.0 29.5

 Retail (Other Than Mall) ............................ 10.8 19.5 34.2 18.5 32.0 25.9 27.1 35.8

 Enclosed and Strip Malls ........................... 17.7 47.7 63.8 46.2 39.0 33.9 25.9 24.5

Office ........................................................... 8.3 30.2 25.0 24.9 24.6 14.1 14.6 27.6

Public Assembly .......................................... 13.5 39.9 31.3 34.8 27.6 29.2 32.0 40.6

Public Order and Safety .............................. 28.1 42.3 43.7 55.5 43.9 54.0 46.7 36.9

Religious Worship ....................................... 12.1 26.7 47.2 25.4 25.8 23.6 34.9 45.9

Service ........................................................ 12.8 63.8 26.6 23.7 30.2 22.1 21.9 54.9

Warehouse and Storage ............................. 12.4 37.8 30.4 24.2 25.9 20.1 22.8 27.7

Other ............................................................ 22.0 58.3 47.5 59.9 29.2 50.6 58.3 61.0

Vacant ......................................................... 14.5 34.1 34.7 27.9 36.8 50.7 73.4 84.3

Floors

One .............................................................. 5.4 29.2 16.7 7.7 9.0 10.4 10.1 14.9

Two .............................................................. 7.4 20.7 19.0 15.7 12.4 15.9 13.1 23.1

Three ........................................................... 9.0 13.8 23.0 24.8 25.5 29.7 27.1 13.1

Four to Nine ................................................. 9.8 28.0 25.6 20.0 14.8 14.9 31.7 41.3

Ten or More ................................................. 12.7 39.1 31.3 46.5 23.3 16.1 13.5 28.0

Census Region

Northeast ..................................................... 8.0 20.0 24.6 13.4 22.2 21.9 25.4 24.3

Midwest ....................................................... 9.7 18.7 19.2 21.3 12.9 14.6 19.8 22.0

South ........................................................... 5.6 28.6 16.9 9.6 14.7 11.5 8.1 20.9

West ............................................................ 10.8 38.6 29.9 16.6 13.2 14.9 14.3 25.4

Workers (main shift)

Fewer than 5 ................................................ 6.0 14.7 13.1 9.8 12.5 12.0 11.2 19.6

5 to 9 ............................................................ 7.9 28.8 25.1 16.8 20.0 12.8 20.6 20.6

10 to 19 ........................................................ 7.6 20.1 25.7 16.0 19.3 19.5 17.0 23.2

20 to 49 ........................................................ 9.0 28.4 27.3 19.2 21.5 19.4 17.5 26.8

50 to 99 ........................................................ 10.7 23.9 23.1 31.5 15.5 25.2 13.3 10.9

100 to 249 .................................................... 11.7 65.4 26.8 19.3 30.1 14.1 15.7 12.0

250 or More ................................................. 8.6 37.7 27.7 23.2 17.5 13.4 13.0 17.3

Weekly Operating Hours

39 or Fewer ................................................. 10.3 21.6 21.2 17.4 16.9 15.2 18.1 32.4

40 to 48 ........................................................ 5.9 22.6 15.9 13.5 14.9 17.3 12.3 20.7

49 to 60 ........................................................ 8.2 22.2 24.5 14.2 18.9 19.8 18.6 21.8

61 to 84 ........................................................ 9.6 23.9 37.6 18.8 14.7 19.6 18.2 27.5

85 to 167 ...................................................... 7.7 43.0 27.0 28.6 28.4 22.7 22.3 25.4

Open Continuously ...................................... 10.4 30.8 26.7 33.1 18.9 21.4 16.7 28.6

RSEs for Table B8. Year Constructed, Number of Buildings, 1999

Year Constructed

RSEs for Number of Buildings

All 

Buildings

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 268
1919 or

Before

1920 to

1945

1946 to

1959

1960 to

1969

1970 to

1979

1980 to

1989

1990 to

1999

RSEs for Table B8. Year Constructed, Number of Buildings, 1999

Year Constructed

RSEs for Number of Buildings

All 

Buildings

Ownership and Occupancy

Nongovernment Owned .............................. 4.5 11.4 12.2 7.6 8.5 9.5 7.6 14.1

 Owner Occupied ........................................ 5.4 14.3 13.7 9.7 10.9 10.5 9.6 16.7

 Nonowner Occupied .................................. 5.8 21.0 20.9 17.3 15.4 14.1 11.4 16.6

 Unoccupied ............................................... 17.1 36.6 56.0 28.7 46.1 54.4 39.2 62.9

Government Owned .................................... 9.0 34.4 23.1 20.7 15.9 17.6 20.5 21.0

Vacancy Status

Completely Vacant ...................................... 20.7 48.5 57.1 29.3 54.1 84.6 75.7 90.0

Mostly Vacant .............................................. 22.9 46.5 37.2 72.7 50.1 63.5 72.7 96.3

Partially Vacant ............................................ 7.3 21.4 26.2 21.6 16.0 17.8 19.1 24.2

Not At All Vacant ......................................... 4.4 12.7 12.1 8.2 7.8 8.8 8.2 14.4

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 11.4 10.8 6.2 7.2 8.2 7.6 13.2

Natural Gas ................................................. 4.8 13.3 13.4 8.4 7.6 10.5 9.1 11.9

Fuel Oil ........................................................ 16.7 33.5 33.6 17.9 29.2 26.5 33.7 38.8

District Heat ................................................. 15.5 48.0 39.8 33.8 13.6 55.7 40.6 43.2

District Chilled Water ................................... 27.2 78.1 38.6 29.6 14.6 69.2 50.8 34.2

Propane ....................................................... 15.0 43.3 32.4 28.0 29.4 25.8 22.4 34.2

Other ............................................................ 18.8 55.5 57.4 33.9 40.4 43.5 38.6 58.1

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 11.7 11.7 7.1 7.7 9.2 8.0 12.2

Buildings with Cooling ................................. 3.9 11.4 12.7 7.2 7.8 8.7 7.7 12.1

Buildings with Water Heating ...................... 4.4 12.5 12.3 7.7 8.3 9.8 7.9 13.0

Buildings with Cooking ................................ 5.8 20.6 21.4 16.7 15.9 13.6 16.4 19.4

Buildings with Manufacturing ....................... 16.7 62.7 53.3 38.8 46.9 36.2 26.3 64.8

Buildings with Electricity

 Generation .................................................. 14.2 59.3 24.4 40.1 31.7 24.6 26.9 28.7

Percent of Floorspace Heated

Not Heated .................................................. 10.5 27.1 27.8 25.7 23.3 24.7 19.1 40.1

1 to 50 .......................................................... 10.9 27.5 25.3 24.8 19.2 22.2 17.9 33.3

51 to 99 ........................................................ 8.2 23.4 16.3 23.0 20.7 23.3 16.1 25.9

100 ............................................................... 4.8 16.2 12.9 8.5 9.2 9.4 9.9 13.8

Percent of Floorspace Cooled

Not Cooled .................................................. 10.4 21.3 18.8 17.1 20.3 15.3 18.4 31.4

1 to 50 .......................................................... 9.1 18.4 20.1 13.4 17.5 14.9 19.2 23.1

51 to 99 ........................................................ 6.9 24.1 18.1 21.6 17.2 16.7 14.1 21.7

100 ............................................................... 4.5 25.4 20.3 10.9 11.3 10.6 9.6 16.0

Percent Lit When Open

Zero ............................................................. 49.1 0.0 0.0 91.6 75.5 76.0 47.7 90.5

1 to 50 .......................................................... 9.0 19.1 18.8 17.9 21.0 23.0 22.8 29.5

51 to 99 ........................................................ 6.4 20.6 15.8 16.6 12.1 13.9 13.1 18.1

100 ............................................................... 5.8 22.0 17.2 12.0 11.2 11.5 9.0 16.5

Building Never Open/

 Electricity Not Used .................................... 13.0 30.2 31.7 24.4 27.0 35.0 28.1 51.8

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 10.5 29.6 37.7 19.0 24.0 26.4 21.1 24.6

Furnaces ...................................................... 7.4 19.4 17.1 16.2 13.3 12.8 14.8 16.8

Individual Space Heaters ............................ 6.7 24.7 18.1 14.3 15.6 15.6 19.4 27.1

District Heat ................................................. 16.5 48.4 39.8 33.9 13.8 64.8 45.7 22.6

Boilers ......................................................... 7.9 15.1 23.1 15.1 18.7 19.3 21.9 29.8

Packaged Heating Units .............................. 6.3 34.4 21.1 16.3 13.1 15.3 10.0 18.7

Other ............................................................ 15.1 71.8 57.9 36.7 38.7 34.8 26.6 55.9

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 269
1919 or

Before

1920 to

1945

1946 to

1959

1960 to

1969

1970 to

1979

1980 to

1989

1990 to

1999

RSEs for Table B8. Year Constructed, Number of Buildings, 1999

Year Constructed

RSEs for Number of Buildings

All 

Buildings

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 10.3 26.3 26.2 21.8 22.5 20.1 17.0 28.3

Heat Pumps ................................................. 10.4 64.2 35.9 19.8 24.4 24.9 21.9 24.7

Individual Air Conditioners ........................... 8.0 19.7 14.7 15.6 16.7 19.1 21.0 25.2

District Chilled Water ................................... 27.2 78.1 38.6 29.6 14.6 69.2 50.8 34.2

Central Chillers ............................................ 14.5 52.7 36.8 15.6 23.1 13.6 23.6 41.0

Packaged Air Conditioning

 Units ........................................................... 4.7 21.4 17.2 12.4 10.8 12.3 9.4 16.7

Swamp Coolers ........................................... 17.0 61.5 49.5 35.3 40.2 34.3 48.7 33.0

Other ............................................................ 29.6 84.9 50.2 34.0 52.5 54.9 50.6 92.9

Main Equipment Replaced Since

1995 (more than one may apply)

Heating ........................................................ 6.8 22.4 24.1 11.9 16.7 13.6 15.5 27.9

Cooling ........................................................ 5.9 19.2 22.0 12.4 14.9 13.7 16.0 28.7

Lighting Equipment Types

(more than one may apply)

Incandescent ............................................... 4.9 12.1 12.5 10.8 10.6 10.5 9.4 15.2

Standard Fluorescent .................................. 4.1 11.9 11.4 7.0 7.5 9.0 7.7 13.0

Compact Fluorescent .................................. 9.0 25.6 23.8 23.7 17.7 18.6 14.8 21.2

High Intensity Discharge .............................. 10.9 26.1 29.8 26.4 17.5 20.9 17.9 25.5

Halogen ....................................................... 9.1 27.9 28.1 22.1 22.6 20.0 19.0 22.1

Other ............................................................ 32.3 83.8 67.2 48.3 62.6 53.1 60.0 58.1

Personal Computers

None ............................................................ 7.0 19.9 18.0 12.0 15.1 11.4 13.3 24.1

1 to 4 ............................................................ 7.2 18.4 14.5 11.8 14.0 14.0 15.2 20.1

5 to 9 ............................................................ 8.1 39.7 27.6 21.1 25.4 16.5 17.4 20.6

10 to 19 ........................................................ 11.6 31.7 30.1 24.2 25.0 29.2 19.9 29.8

20 to 49 ........................................................ 11.1 38.7 32.3 25.4 26.3 20.0 24.2 30.5

50 to 99 ........................................................ 11.0 22.4 41.4 16.7 19.2 15.9 28.1 15.8

100 to 249 .................................................... 8.8 25.4 23.1 19.0 20.8 10.8 15.2 12.9

250 or More ................................................. 8.5 34.1 20.6 21.2 17.7 16.8 14.0 21.0

Photocopiers

None ............................................................ 5.4 15.3 14.8 7.2 11.1 10.7 10.5 18.3

One .............................................................. 6.8 20.4 20.0 14.1 15.4 15.1 15.2 17.4

2 to 4 ............................................................ 7.9 33.5 27.5 18.7 17.5 18.7 16.2 23.1

5 to 9 ............................................................ 17.7 27.7 31.8 18.6 21.0 28.6 19.0 42.3

10 or More ................................................... 12.0 26.6 20.9 54.3 11.8 14.2 17.3 15.3

Other Electronic Equipment

(more than one may apply)

Laser Printers .............................................. 5.1 14.1 14.0 10.8 11.1 13.2 8.7 15.3

FAX Machines ............................................. 5.1 12.2 12.9 8.8 11.0 10.2 9.2 13.0

Medical Diagnostic Equipment .................... 19.8 98.7 62.6 48.0 49.3 40.7 37.4 45.2

Energy-Related Space Functions

(more than one may apply)

Commercial Food Preparation .................... 5.8 19.2 22.0 19.5 16.6 13.5 17.4 20.6

Activities with Large

 Amounts of Hot Water ................................ 6.3 25.2 20.5 17.6 16.6 13.9 17.2 17.9

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 6.5 16.6 13.6 14.0 10.2 12.3 11.4 12.5

Tinted, Reflective, or

 Shading Glass ............................................ 5.7 22.8 25.2 16.3 14.6 14.0 10.8 15.7

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 270
1919 or

Before

1920 to

1945

1946 to

1959

1960 to

1969

1970 to

1979

1980 to

1989

1990 to

1999

RSEs for Table B8. Year Constructed, Number of Buildings, 1999

Year Constructed

RSEs for Number of Buildings

All 

Buildings

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ....................... 9.8 44.0 30.1 28.6 23.5 19.8 17.8 19.8

Economizer Cycle ........................................ 8.2 37.7 22.4 25.3 13.5 19.7 18.3 20.7

HVAC Maintenance ..................................... 4.8 15.7 13.6 10.0 8.9 11.1 8.5 13.4

Energy Management and

 Control System (EMCS) ............................. 10.3 40.9 23.2 23.3 17.4 18.5 20.8 18.3

Lighting Conservation Features

(more than one may apply)

Specular Reflectors ..................................... 8.8 29.5 25.1 21.1 20.0 17.5 14.4 19.6

Electronic Ballasts ....................................... 5.3 19.0 17.1 10.0 12.6 10.8 10.8 15.5

Skylights or Atriums ..................................... 8.6 23.8 30.8 21.4 20.2 21.2 13.5 28.4

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 271
1919 or

Before

1920 to

1945

1946 to

1959

1960 to

1969

1970 to

1979

1980 to

1989

1990 to

1999

All Buildings ............................................... 3.5 7.2 9.0 7.7 6.2 5.8 6.1 6.3

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.1 22.7 17.0 12.4 12.0 11.7 13.7 18.9

5,001 to 10,000 ............................................ 7.1 21.8 20.9 14.8 15.1 17.3 14.9 24.0

10,001 to 25,000 .......................................... 6.8 23.5 23.0 17.7 15.4 14.0 13.3 17.9

25,001 to 50,000 .......................................... 6.8 15.4 15.4 15.4 14.1 11.7 13.7 10.2

50,001 to 100,000 ........................................ 10.2 21.1 24.7 16.2 17.4 12.5 14.4 11.4

100,001 to 200,000 ...................................... 6.4 24.5 29.5 16.8 14.2 13.9 14.4 11.3

200,001 to 500,000 ...................................... 6.6 40.8 27.6 22.4 15.3 13.7 12.9 12.8

Over 500,000 ............................................... 11.1 60.4 36.3 28.7 19.0 24.7 17.6 16.7

Principal Building Activity

Education .................................................... 6.2 22.5 18.2 15.0 13.2 18.9 22.4 13.5

Food Sales .................................................. 16.0 100.8 52.3 46.3 39.3 50.0 28.3 18.8

Food Service ............................................... 9.7 35.6 34.1 46.1 31.9 20.7 26.7 41.9

Health Care ................................................. 7.6 79.7 51.8 18.8 20.0 11.2 17.7 17.8

 Inpatient ..................................................... 9.9 100.0 55.5 23.3 22.6 16.1 19.6 26.7

 Outpatient .................................................. 10.3 79.1 97.8 31.5 39.9 27.1 29.5 21.6

Lodging ........................................................ 11.0 32.5 42.1 22.2 18.7 23.4 13.7 17.7

Mercantile .................................................... 8.8 24.0 36.7 17.6 17.0 16.4 13.7 12.6

 Retail (Other Than Mall) ............................ 10.7 24.5 32.0 21.9 26.1 23.9 21.7 16.0

 Enclosed and Strip Malls ........................... 10.3 57.1 60.4 27.6 21.1 18.4 15.0 20.0

Office ........................................................... 6.9 18.0 18.7 20.3 13.5 13.4 10.9 15.0

Public Assembly .......................................... 10.8 32.7 24.1 27.0 23.4 24.1 23.5 20.2

Public Order and Safety .............................. 22.2 31.7 63.3 52.2 41.2 33.1 50.5 28.6

Religious Worship ....................................... 12.0 20.3 57.3 21.8 22.0 25.2 37.8 38.5

Service ........................................................ 11.8 50.1 28.6 30.1 16.5 22.7 22.7 28.2

Warehouse and Storage ............................. 9.4 29.3 27.8 18.3 18.4 17.9 16.0 13.5

Other ............................................................ 13.6 86.8 35.2 43.3 21.4 25.3 29.0 38.7

Vacant ......................................................... 12.2 28.2 32.2 23.9 26.6 35.2 37.7 42.3

Floors

One .............................................................. 4.9 26.3 21.8 9.3 8.7 7.1 9.5 9.8

Two .............................................................. 6.1 20.3 18.8 12.1 10.4 11.2 9.4 11.2

Three ........................................................... 7.4 13.3 18.9 19.3 16.3 19.8 16.7 13.2

Four to Nine ................................................. 5.7 14.2 12.5 19.2 16.2 18.8 12.5 15.2

Ten or More ................................................. 10.7 38.5 29.3 29.0 16.8 19.9 10.6 22.8

Census Region

Northeast ..................................................... 7.7 16.6 21.0 14.4 13.7 20.3 19.8 14.6

Midwest ....................................................... 5.0 13.8 14.6 13.8 10.6 10.5 14.3 14.0

South ........................................................... 5.3 24.0 17.1 10.9 11.5 7.3 8.9 11.9

West ............................................................ 6.0 26.9 18.3 17.9 10.1 11.7 11.2 10.6

Workers (main shift)

Fewer than 5 ................................................ 6.3 12.4 14.1 10.2 10.8 13.2 15.9 19.0

5 to 9 ............................................................ 7.6 21.8 24.3 18.3 17.9 15.1 20.6 13.7

10 to 19 ........................................................ 6.7 23.7 21.8 15.5 13.7 14.8 14.6 17.7

20 to 49 ........................................................ 6.6 22.4 18.2 14.7 12.4 10.8 12.2 12.0

50 to 99 ........................................................ 8.9 26.4 25.3 20.9 13.4 17.9 11.7 9.9

100 to 249 .................................................... 7.2 25.6 25.5 18.3 13.7 16.0 16.2 12.0

250 or More ................................................. 6.3 39.8 17.5 19.1 13.7 13.0 9.9 13.2

Weekly Operating Hours

39 or Fewer ................................................. 9.8 22.8 24.3 17.0 15.6 14.1 23.6 28.2

40 to 48 ........................................................ 6.1 20.9 15.1 13.3 12.3 11.6 13.1 15.7

49 to 60 ........................................................ 6.1 20.9 17.1 13.1 17.3 13.3 12.7 11.1

61 to 84 ........................................................ 6.1 19.9 26.9 17.4 11.5 13.0 10.7 13.3

85 to 167 ...................................................... 7.0 29.6 23.4 22.1 15.5 17.0 15.4 9.7

Open Continuously ...................................... 5.0 23.0 25.0 16.1 13.8 11.0 9.6 9.1

RSEs for Table B9. Year Constructed, Floorspace, 1999

RSEs for Total Floorspace

All Buildings

Year Constructed

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 272
1919 or

Before

1920 to

1945

1946 to

1959

1960 to

1969

1970 to

1979

1980 to

1989

1990 to

1999

RSEs for Table B9. Year Constructed, Floorspace, 1999

RSEs for Total Floorspace

All Buildings

Year Constructed

Ownership and Occupancy

Nongovernment Owned .............................. 4.2 7.4 10.4 9.0 7.8 6.7 5.8 7.3

 Owner Occupied ........................................ 4.5 9.4 11.1 10.0 8.8 8.3 6.0 8.2

 Nonowner Occupied .................................. 6.4 16.2 18.0 16.2 13.3 10.2 10.9 9.7

 Unoccupied ............................................... 14.6 29.8 34.9 25.4 30.4 40.6 48.0 51.7

Government Owned .................................... 4.6 24.2 16.0 12.3 9.1 12.2 16.2 9.2

Vacancy Status

Completely Vacant ...................................... 14.5 31.2 38.0 27.7 39.4 55.8 43.0 47.9

Mostly Vacant .............................................. 20.0 38.7 39.8 42.9 36.8 40.5 75.6 84.3

Partially Vacant ............................................ 6.2 16.0 15.5 14.6 9.4 13.8 11.5 9.9

Not At All Vacant ......................................... 3.4 6.7 10.1 8.7 7.4 5.9 6.2 7.4

Energy Sources (more than

one may apply)

Electricity ..................................................... 3.5 6.8 9.1 7.7 6.3 5.9 6.2 6.3

Natural Gas ................................................. 3.9 9.5 9.2 8.5 7.7 6.9 7.6 6.6

Fuel Oil ........................................................ 6.9 19.4 17.4 16.2 13.3 16.5 10.3 10.9

District Heat ................................................. 9.9 32.0 32.0 21.6 11.1 18.8 18.9 19.4

District Chilled Water ................................... 12.1 43.7 23.0 34.4 17.1 17.7 24.6 20.5

Propane ....................................................... 10.9 29.8 30.6 23.6 21.7 22.6 18.2 21.7

Other ............................................................ 14.0 26.1 40.9 23.8 35.4 33.3 28.7 31.0

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 3.5 7.3 8.4 8.0 6.5 6.5 6.1 6.2

Buildings with Cooling ................................. 3.8 7.8 9.2 8.3 7.3 6.0 6.4 6.6

Buildings with Water Heating ...................... 3.7 8.7 9.0 8.2 6.6 6.6 6.4 6.0

Buildings with Cooking ................................ 4.4 16.5 15.5 12.3 10.2 8.9 8.8 7.5

Buildings with Manufacturing ....................... 12.7 39.1 37.2 27.7 33.0 29.9 21.5 19.3

Buildings with Electricity

 Generation .................................................. 7.4 34.5 28.6 17.4 13.0 15.0 10.2 10.3

Percent of Floorspace Heated

Not Heated .................................................. 11.3 27.4 27.7 20.6 16.9 22.2 23.8 26.9

1 to 50 .......................................................... 8.0 27.4 21.7 15.6 14.5 17.9 18.8 15.8

51 to 99 ........................................................ 7.1 21.1 15.0 16.1 17.9 15.2 9.4 12.3

100 ............................................................... 4.0 10.8 10.9 9.5 6.7 7.6 7.5 7.2

Percent of Floorspace Cooled

Not Cooled .................................................. 8.8 19.5 20.6 14.9 15.7 18.5 19.2 21.9

1 to 50 .......................................................... 6.9 16.8 16.4 12.1 10.7 11.3 15.5 12.1

51 to 99 ........................................................ 4.5 18.3 13.6 11.5 10.8 10.5 8.1 9.8

100 ............................................................... 5.2 15.6 18.3 11.8 8.9 9.4 8.4 7.9

Percent Lit When Open

Zero ............................................................. 32.5 0.0 0.0 91.6 85.1 55.2 35.5 88.3

1 to 50 .......................................................... 8.1 16.5 18.8 16.0 16.9 20.5 15.0 19.5

51 to 99 ........................................................ 4.9 16.0 11.0 12.8 10.6 6.8 8.5 9.5

100 ............................................................... 4.2 14.6 13.8 8.7 7.8 8.8 7.1 7.2

Building Never Open/

 Electricity Not Used .................................... 12.9 32.7 33.0 21.7 22.7 29.8 36.4 37.9

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 6.3 27.1 30.2 16.4 12.6 14.5 12.4 12.1

Furnaces ...................................................... 5.5 13.0 14.6 13.2 11.3 11.5 12.5 13.4

Individual Space Heaters ............................ 5.0 14.8 18.1 13.0 12.2 11.1 11.6 8.9

District Heat ................................................. 9.9 32.4 32.0 21.8 10.9 18.8 19.0 18.9

Boilers ......................................................... 5.6 13.7 14.6 10.6 10.4 13.3 12.0 10.4

Packaged Heating Units .............................. 4.8 18.2 15.4 14.2 10.5 8.9 6.8 7.7

Other ............................................................ 7.9 66.7 34.9 25.1 25.6 22.6 10.0 18.5

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 273
1919 or

Before

1920 to

1945

1946 to

1959

1960 to

1969

1970 to

1979

1980 to

1989

1990 to

1999

RSEs for Table B9. Year Constructed, Floorspace, 1999

RSEs for Total Floorspace

All Buildings

Year Constructed

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 6.8 28.0 20.1 16.5 15.3 13.3 11.8 19.9

Heat Pumps ................................................. 6.5 27.7 29.4 17.4 13.7 13.5 12.8 12.3

Individual Air Conditioners ........................... 5.9 13.0 13.9 12.2 11.8 15.8 14.1 12.4

District Chilled Water ................................... 12.1 43.7 23.0 34.4 17.1 17.7 24.6 20.5

Central Chillers ............................................ 6.0 37.6 15.7 15.3 11.8 11.0 10.1 10.2

Packaged Air Conditioning

 Units ........................................................... 4.0 14.7 10.4 11.4 8.5 6.4 7.0 7.5

Swamp Coolers ........................................... 17.5 39.1 34.5 31.5 26.3 34.8 36.3 23.8

Other ............................................................ 16.3 75.8 62.9 37.6 34.1 36.5 26.7 24.5

Main Equipment Replaced Since

1995 (more than one may apply)

Heating ........................................................ 7.6 20.1 19.0 14.5 14.3 10.6 11.5 18.1

Cooling ........................................................ 5.5 12.1 16.0 13.3 12.9 8.1 10.5 17.8

Lighting Equipment Types

(more than one may apply)

Incandescent ............................................... 4.2 9.0 11.1 10.7 8.2 7.9 6.4 8.3

Standard Fluorescent .................................. 3.5 8.0 9.4 7.4 6.5 6.1 5.9 6.5

Compact Fluorescent .................................. 5.7 17.0 11.8 14.8 12.3 9.9 8.7 8.2

High Intensity Discharge .............................. 5.4 18.8 18.6 16.1 9.4 11.0 10.6 9.3

Halogen ....................................................... 4.4 16.6 14.2 14.7 11.9 10.3 8.1 7.4

Other ............................................................ 14.6 73.5 82.3 37.4 31.6 26.3 32.7 25.4

Personal Computers

None ............................................................ 6.3 18.3 19.2 9.8 12.0 13.9 16.0 23.5

1 to 4 ............................................................ 6.4 15.2 13.3 13.3 13.8 11.2 17.2 14.6

5 to 9 ............................................................ 7.9 29.1 24.9 20.8 17.5 12.9 14.1 13.8

10 to 19 ........................................................ 8.4 28.3 22.2 18.6 19.3 16.7 19.0 15.4

20 to 49 ........................................................ 7.4 25.8 20.0 19.4 17.3 13.5 14.0 11.1

50 to 99 ........................................................ 7.1 24.6 29.4 22.1 14.3 14.3 18.3 13.7

100 to 249 .................................................... 7.7 23.5 27.7 21.1 17.3 19.7 14.7 12.8

250 or More ................................................. 6.2 36.3 23.5 19.9 12.9 15.5 10.0 15.2

Photocopiers

None ............................................................ 5.2 10.6 15.0 8.2 10.1 8.7 11.1 11.9

One .............................................................. 6.4 20.4 17.5 12.4 10.3 13.0 10.9 11.2

2 to 4 ............................................................ 5.5 21.4 19.1 14.8 12.6 8.9 10.9 9.6

5 to 9 ............................................................ 7.6 29.1 34.2 18.0 15.2 15.5 16.6 16.1

10 or More ................................................... 6.3 29.2 18.2 18.6 13.0 13.5 10.1 12.8

Other Electronic Equipment

(more than one may apply)

Laser Printers .............................................. 4.2 10.1 10.6 9.2 7.6 7.7 6.6 6.5

FAX Machines ............................................. 3.8 8.4 8.0 8.6 7.3 6.9 6.1 6.3

Medical Diagnostic Equipment .................... 7.9 98.7 43.9 18.5 20.8 12.0 18.3 19.5

Energy-Related Space Functions

(more than one may apply)

Commercial Food Preparation .................... 4.5 17.9 16.2 12.8 10.2 9.5 9.1 7.8

Activities with Large

 Amounts of Hot Water ................................ 4.0 18.3 15.6 12.3 9.7 9.6 8.1 7.9

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 4.5 10.6 12.0 10.3 7.8 9.2 6.9 7.0

Tinted, Reflective, or

 Shading Glass ............................................ 4.8 15.2 13.5 12.4 9.7 9.2 7.0 7.1

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 274
1919 or

Before

1920 to

1945

1946 to

1959

1960 to

1969

1970 to

1979

1980 to

1989

1990 to

1999

RSEs for Table B9. Year Constructed, Floorspace, 1999

RSEs for Total Floorspace

All Buildings

Year Constructed

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ....................... 5.4 23.9 13.7 17.0 13.1 10.8 7.2 7.9

Economizer Cycle ........................................ 5.2 18.3 16.1 13.9 9.6 10.1 8.8 7.8

HVAC Maintenance ..................................... 3.9 10.7 10.1 8.5 7.0 6.5 6.4 6.9

Energy Management and

 Control System (EMCS) ............................. 5.4 21.4 15.8 12.6 9.5 11.6 8.5 6.4

Lighting Conservation Features

(more than one may apply)

Specular Reflectors ..................................... 6.0 19.3 16.7 13.8 12.9 13.1 7.7 6.5

Electronic Ballasts ....................................... 3.9 11.0 11.2 9.1 9.1 6.3 6.4 6.1

Skylights or Atriums ..................................... 5.8 19.6 17.7 12.9 11.6 12.6 8.7 7.6

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 275
Fewer 

than 5 

Workers

5 to 9 

Workers

10 to 19 

Workers

20 to 49 

Workers

50 to 99 

Workers

100 to 249 

Workers

250 or

More

Workers

All Buildings ............................................... 4.2 6.0 7.9 7.6 9.0 10.7 11.7 8.6

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 7.8 11.4 16.9 27.6 70.9 92.5 0.0

5,001 to 10,000 ............................................ 6.7 11.6 14.8 12.7 20.0 52.4 80.5 0.0

10,001 to 25,000 .......................................... 7.1 14.1 17.1 14.0 11.0 22.3 31.2 72.6

25,001 to 50,000 .......................................... 6.9 13.4 17.3 12.3 10.0 12.1 11.4 38.9

50,001 to 100,000 ........................................ 10.3 22.6 43.2 20.0 11.1 13.7 15.5 19.9

100,001 to 200,000 ...................................... 6.3 30.4 33.3 26.3 13.1 11.5 10.0 12.0

200,001 to 500,000 ...................................... 6.5 39.9 44.1 37.5 23.5 20.3 12.4 8.7

Over 500,000 ............................................... 10.7 51.9 0.0 53.8 70.3 47.3 26.3 11.0

Principal Building Activity

Education .................................................... 12.3 24.9 29.8 19.0 16.7 13.2 12.7 36.5

Food Sales .................................................. 17.2 21.9 44.6 51.1 22.9 33.2 41.9 100.0

Food Service ............................................... 9.3 20.0 24.7 17.6 27.7 86.2 56.7 0.0

Health Care ................................................. 17.6 36.9 39.0 31.4 36.5 47.5 23.4 16.3

 Inpatient ..................................................... 25.6 0.0 99.9 100.0 91.6 40.2 25.6 11.9

 Outpatient .................................................. 19.1 36.9 39.7 31.8 38.6 54.9 34.0 49.3

Lodging ........................................................ 11.4 19.0 23.0 33.9 16.3 42.7 21.0 53.9

Mercantile .................................................... 9.1 15.2 16.7 20.4 16.6 25.1 33.6 20.4

 Retail (Other Than Mall) ............................ 10.8 15.3 19.6 23.8 34.1 24.4 68.3 45.5

 Enclosed and Strip Malls ........................... 17.7 50.8 46.8 36.6 26.3 29.7 18.2 21.4

Office ........................................................... 8.3 15.7 13.4 18.0 19.7 13.8 14.1 10.4

Public Assembly .......................................... 13.5 17.0 34.7 45.2 39.5 25.1 70.4 40.0

Public Order and Safety .............................. 28.1 81.1 53.5 43.0 43.7 40.9 34.4 45.9

Religious Worship ....................................... 12.1 16.0 29.6 32.9 48.0 58.4 71.1 99.3

Service ........................................................ 12.8 14.3 27.7 30.9 30.0 42.0 23.4 44.7

Warehouse and Storage ............................. 12.4 16.6 28.4 23.5 15.3 31.1 22.1 26.3

Other ............................................................ 22.0 32.7 45.7 25.0 87.8 46.4 30.2 45.9

Vacant ......................................................... 14.5 14.6 68.6 61.4 98.2 83.6 0.0 102.1

Year Constructed

1919 or Before ............................................. 11.3 14.7 28.8 20.1 28.4 23.9 65.4 37.7

1920 to 1945 ................................................ 10.9 13.1 25.1 25.7 27.3 23.1 26.8 27.7

1946 to 1959 ................................................ 6.7 9.8 16.8 16.0 19.2 31.5 19.3 23.2

1960 to 1969 ................................................ 7.4 12.5 20.0 19.3 21.5 15.5 30.1 17.5

1970 to 1979 ................................................ 8.1 12.0 12.8 19.5 19.4 25.2 14.1 13.4

1980 to 1989 ................................................ 7.4 11.2 20.6 17.0 17.5 13.3 15.7 13.0

1990 to 1999 ................................................ 12.9 19.6 20.6 23.2 26.8 10.9 12.0 17.3

Floors

One .............................................................. 5.4 7.5 9.7 9.2 12.2 15.2 20.9 22.0

Two .............................................................. 7.4 12.3 14.9 14.4 13.0 17.1 13.5 20.5

Three ........................................................... 9.0 14.2 18.7 27.9 20.7 26.3 29.1 14.9

Four to Nine ................................................. 9.8 20.7 39.1 37.0 24.4 26.0 13.6 11.1

Ten or More ................................................. 12.7 54.6 100.9 84.9 78.1 49.5 21.1 13.5

Census Region

Northeast ..................................................... 8.0 18.6 17.4 24.4 19.8 23.7 12.6 15.7

Midwest ....................................................... 9.7 12.7 15.5 18.4 22.4 11.8 27.7 15.5

South ........................................................... 5.6 8.2 10.4 11.3 12.4 11.1 20.0 13.5

West ............................................................ 10.8 16.7 16.1 18.8 13.0 21.3 10.6 13.8

Weekly Operating Hours

39 or Fewer ................................................. 10.3 10.9 31.5 40.0 37.9 34.8 41.8 94.0

40 to 48 ........................................................ 5.9 10.3 13.7 11.9 16.7 11.9 32.7 25.6

49 to 60 ........................................................ 8.2 14.4 14.1 17.3 18.4 16.7 25.0 14.2

61 to 84 ........................................................ 9.6 16.0 19.6 19.2 20.3 24.5 12.6 13.1

85 to 167 ...................................................... 7.7 14.5 21.3 19.6 19.7 27.2 14.0 17.2

Open Continuously ...................................... 10.4 16.6 22.4 27.0 21.4 20.7 12.9 10.6

RSEs for Table B10. Employment Size Category, Number of Buildings, 1999

RSEs for Number of Buildings

All

Buildings

Number of Workers

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 276
Fewer 

than 5 

Workers

5 to 9 

Workers

10 to 19 

Workers

20 to 49 

Workers

50 to 99 

Workers

100 to 249 

Workers

250 or

More

Workers

RSEs for Table B10. Employment Size Category, Number of Buildings, 1999

RSEs for Number of Buildings

All

Buildings

Number of Workers

Ownership and Occupancy

Nongovernment Owned .............................. 4.5 6.2 7.9 8.6 10.9 12.7 14.1 9.1

 Owner Occupied ........................................ 5.4 7.7 9.7 9.9 13.5 13.1 19.5 10.9

 Nonowner Occupied .................................. 5.8 8.2 12.7 16.6 14.6 19.6 12.0 13.3

 Unoccupied ............................................... 17.1 17.1 0.0 0.0 0.0 0.0 0.0 0.0

Government Owned .................................... 9.0 15.3 21.7 19.2 15.9 11.8 11.4 17.1

Vacancy Status

Completely Vacant ...................................... 20.7 20.7 0.0 0.0 0.0 0.0 0.0 0.0

Mostly Vacant .............................................. 22.9 24.0 68.6 61.4 98.2 83.6 0.0 102.1

Partially Vacant ............................................ 7.3 12.1 17.6 21.8 19.1 20.4 22.6 12.0

Not At All Vacant ......................................... 4.4 6.7 9.3 8.3 8.9 11.6 13.1 9.9

Number of Establishments

One .............................................................. 4.7 6.3 9.0 9.9 9.5 9.7 17.3 13.8

2 to 5 ............................................................ 9.4 17.5 16.3 15.2 18.4 23.2 16.8 24.5

6 to 10 .......................................................... 15.0 50.1 32.5 46.3 17.0 34.3 21.3 17.9

11 to 20 ........................................................ 16.8 57.5 85.0 67.5 21.9 29.2 17.3 17.9

More than 20 ............................................... 25.4 73.9 72.1 87.8 82.3 37.9 24.2 12.6

Currently Unoccupied .................................. 16.4 16.4 0.0 0.0 0.0 0.0 0.0 0.0

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 5.9 8.1 7.6 9.0 10.7 11.7 8.6

Natural Gas ................................................. 4.8 8.0 8.5 9.8 11.3 11.3 14.4 9.8

Fuel Oil ........................................................ 16.7 25.3 31.2 35.5 17.1 20.0 13.5 10.5

District Heat ................................................. 15.5 31.1 38.5 36.6 27.5 38.9 16.4 18.8

District Chilled Water ................................... 27.2 68.2 49.6 32.6 32.3 43.6 24.3 23.2

Propane ....................................................... 15.0 19.5 28.1 32.0 26.8 20.4 19.4 29.2

Other ............................................................ 18.8 25.6 59.7 41.2 49.6 28.8 62.0 27.8

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 6.4 8.2 7.8 8.9 10.7 10.8 8.5

Buildings with Cooling ................................. 3.9 6.6 8.5 7.9 9.6 10.8 11.9 8.6

Buildings with Water Heating ...................... 4.4 8.2 8.2 8.5 8.9 10.6 11.9 8.6

Buildings with Cooking ................................ 5.8 12.9 16.7 11.2 10.7 13.3 9.3 8.6

Buildings with Manufacturing ....................... 16.7 28.1 39.3 36.7 40.0 47.1 27.6 26.6

Buildings with Electricity

 Generation .................................................. 14.2 44.9 45.9 31.6 27.9 14.0 27.6 10.4

Percent of Floorspace Heated

Not Heated .................................................. 10.5 10.8 38.6 30.7 38.3 31.6 65.2 35.7

1 to 50 .......................................................... 10.9 12.1 24.2 26.8 15.4 40.3 23.6 26.7

51 to 99 ........................................................ 8.2 12.5 16.7 18.7 25.2 16.4 18.0 15.0

100 ............................................................... 4.8 7.6 10.1 10.0 10.0 12.0 11.7 9.5

Percent of Floorspace Cooled

Not Cooled .................................................. 10.4 10.4 18.1 36.2 26.1 28.0 38.2 48.2

1 to 50 .......................................................... 9.1 11.4 16.8 19.6 19.8 20.5 33.4 18.1

51 to 99 ........................................................ 6.9 12.3 17.3 16.5 19.3 19.6 22.3 10.0

100 ............................................................... 4.5 9.1 11.1 11.8 13.2 13.0 9.4 11.1

Percent Lit When Open

Zero ............................................................. 49.1 60.0 83.4 81.1 0.0 0.0 0.0 0.0

1 to 50 .......................................................... 9.0 12.3 19.1 21.5 29.2 23.2 43.0 52.8

51 to 99 ........................................................ 6.4 10.9 14.0 10.8 13.9 18.1 25.9 13.2

100 ............................................................... 5.8 8.9 10.6 12.0 10.8 9.5 7.6 9.6

Building Never Open/

 Electricity Not Used .................................... 13.0 13.2 90.0 74.2 0.0 0.0 0.0 0.0

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 277
Fewer 

than 5 

Workers

5 to 9 

Workers

10 to 19 

Workers

20 to 49 

Workers

50 to 99 

Workers

100 to 249 

Workers

250 or

More

Workers

RSEs for Table B10. Employment Size Category, Number of Buildings, 1999

RSEs for Number of Buildings

All

Buildings

Number of Workers

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 10.5 18.0 21.3 19.2 21.9 26.3 15.2 13.2

Furnaces ...................................................... 7.4 9.0 14.3 13.9 17.5 22.8 35.6 18.9

Individual Space Heaters ............................ 6.7 10.4 14.9 14.3 17.4 15.9 12.4 15.2

District Heat ................................................. 16.5 35.2 43.8 33.3 27.7 41.5 14.8 18.7

Boilers ......................................................... 7.9 18.3 18.3 16.0 14.6 10.7 10.3 11.6

Packaged Heating Units .............................. 6.3 11.1 14.2 13.1 13.0 11.8 9.7 10.8

Other ............................................................ 15.1 20.9 37.5 47.7 36.4 47.5 22.2 15.6

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 10.3 14.3 20.2 19.5 29.9 35.1 42.7 16.9

Heat Pumps ................................................. 10.4 16.3 21.0 20.1 22.5 25.5 15.3 13.3

Individual Air Conditioners ........................... 8.0 10.0 19.9 17.1 22.6 23.1 31.7 14.3

District Chilled Water ................................... 27.2 68.2 49.6 32.6 32.3 43.6 24.3 23.2

Central Chillers ............................................ 14.5 48.1 39.2 32.4 19.2 15.0 11.6 10.8

Packaged Air Conditioning

 Units ........................................................... 4.7 8.6 9.3 10.7 9.9 11.3 9.7 9.2

Swamp Coolers ........................................... 17.0 20.4 34.8 46.1 34.9 25.9 26.7 34.9

Other ............................................................ 29.6 52.7 72.9 35.5 47.4 31.5 30.4 22.5

Lighting Equipment Types

(more than one may apply)

Incandescent ............................................... 4.9 8.3 9.5 10.4 10.7 15.0 17.1 9.7

Standard Fluorescent .................................. 4.1 6.7 8.0 8.0 8.7 11.0 12.0 8.7

Compact Fluorescent .................................. 9.0 15.3 20.3 20.3 16.3 13.8 9.7 9.8

High Intensity Discharge .............................. 10.9 21.9 20.4 24.5 15.3 12.5 9.8 8.9

Halogen ....................................................... 9.1 18.8 22.6 18.5 16.2 16.8 21.5 10.5

Other ............................................................ 32.3 43.4 66.8 60.8 69.5 37.7 42.5 34.0

Personal Computers

None ............................................................ 7.0 7.7 20.3 27.2 50.2 78.5 63.2 86.5

1 to 4 ............................................................ 7.2 9.6 12.5 14.7 19.2 38.5 58.1 71.3

5 to 9 ............................................................ 8.1 33.0 13.6 15.7 18.4 18.1 35.5 60.9

10 to 19 ........................................................ 11.6 32.5 36.2 19.6 17.1 31.3 20.5 66.0

20 to 49 ........................................................ 11.1 47.8 44.2 27.3 16.6 12.5 12.7 36.4

50 to 99 ........................................................ 11.0 60.4 42.3 61.1 23.6 11.7 14.3 29.9

100 to 249 .................................................... 8.8 26.1 64.8 70.2 23.8 16.4 12.8 12.6

250 or More ................................................. 8.5 73.8 0.0 90.3 51.2 34.0 13.3 9.9

Photocopiers

None ............................................................ 5.4 6.3 11.7 12.0 16.4 23.9 39.8 32.8

One .............................................................. 6.8 11.5 10.7 13.4 12.7 25.6 23.5 44.5

2 to 4 ............................................................ 7.9 29.2 24.1 14.3 11.8 12.3 10.6 23.3

5 to 9 ............................................................ 17.7 85.3 100.0 28.2 38.7 15.0 12.1 21.2

10 or More ................................................... 12.0 100.7 95.3 73.6 31.9 29.9 12.3 8.7

Other Electronic Equipment

(more than one may apply)

Laser Printers .............................................. 5.1 11.0 9.8 9.9 10.3 11.4 12.7 8.4

FAX Machines ............................................. 5.1 8.4 8.6 9.2 9.7 10.7 11.8 8.4

Medical Diagnostic Equipment .................... 19.8 44.7 39.0 64.6 38.7 53.1 24.3 16.5

Lighting Conservation Features

(more than one may apply)

Specular Reflectors ..................................... 8.8 14.8 19.4 16.5 15.7 16.1 12.1 10.4

Electronic Ballasts ....................................... 5.3 8.6 10.1 12.4 11.3 12.7 8.6 8.1

Skylights or Atriums ..................................... 8.6 15.9 23.0 19.1 18.0 13.5 11.2 8.9

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 278
Fewer 

than 5 

Workers

5 to 9 

Workers

10 to 19 

Workers

20 to 49 

Workers

50 to 99 

Workers

100 to 249 

Workers

250 or

More

Workers

RSEs for Table B10. Employment Size Category, Number of Buildings, 1999

RSEs for Number of Buildings

All

Buildings

Number of Workers

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 5.0 8.2 9.6 8.6 9.6 12.7 9.9 10.5

Cooling ........................................................ 4.3 8.4 10.0 8.6 9.8 13.0 15.0 10.3

Lighting ........................................................ 4.4 6.8 8.9 7.6 9.5 11.4 13.0 10.0

Office Equipment ......................................... 8.5 86.9 59.0 33.0 17.5 13.1 10.5 17.6

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 279
Fewer 

than 5 

Workers

5 to 9 

Workers

10 to 19 

Workers

20 to 49 

Workers

50 to 99 

Workers

100 to 249 

Workers

250 or

More

Workers

All Buildings ............................................... 3.5 6.3 7.6 6.7 6.6 8.9 7.2 6.3

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.1 7.8 11.9 16.7 29.4 71.4 84.2 0.0

5,001 to 10,000 ............................................ 7.1 12.2 14.1 13.6 20.6 53.0 77.4 0.0

10,001 to 25,000 .......................................... 6.8 14.5 16.2 13.6 9.9 22.7 32.2 76.0

25,001 to 50,000 .......................................... 6.8 14.2 17.2 12.5 9.9 11.8 11.2 37.5

50,001 to 100,000 ........................................ 10.2 21.3 41.1 20.5 11.4 13.6 16.0 19.7

100,001 to 200,000 ...................................... 6.4 32.2 31.9 25.0 13.6 12.2 10.3 12.4

200,001 to 500,000 ...................................... 6.6 36.7 42.6 38.4 24.1 21.5 12.7 9.5

Over 500,000 ............................................... 11.1 56.3 0.0 67.5 66.5 49.5 28.1 11.5

Principal Building Activity

Education .................................................... 6.2 27.0 32.3 17.5 10.9 12.5 14.1 22.3

Food Sales .................................................. 16.0 28.2 38.2 48.2 22.5 33.4 43.9 100.0

Food Service ............................................... 9.7 24.0 25.5 19.6 26.0 62.8 74.0 0.0

Health Care ................................................. 7.6 35.9 41.9 35.7 24.9 19.3 23.3 10.3

 Inpatient ..................................................... 9.9 0.0 99.9 100.0 67.2 36.3 32.1 10.7

 Outpatient .................................................. 10.3 35.9 44.2 37.6 31.8 26.3 32.9 34.6

Lodging ........................................................ 11.0 17.7 22.9 26.8 17.7 25.1 25.0 56.4

Mercantile .................................................... 8.8 16.2 19.6 18.9 12.3 15.5 18.5 21.0

 Retail (Other Than Mall) ............................ 10.7 16.7 21.7 25.6 21.8 23.0 19.2 42.2

 Enclosed and Strip Malls ........................... 10.3 67.9 44.5 27.0 19.9 18.1 21.7 21.2

Office ........................................................... 6.9 21.0 15.6 17.8 17.5 17.4 13.7 7.5

Public Assembly .......................................... 10.8 17.4 24.1 16.4 22.0 30.5 24.8 38.0

Public Order and Safety .............................. 22.2 86.3 36.0 37.9 34.3 36.9 31.3 49.4

Religious Worship ....................................... 12.0 16.9 31.9 30.0 38.2 69.4 65.6 99.3

Service ........................................................ 11.8 18.1 24.3 24.5 21.4 34.6 45.0 57.7

Warehouse and Storage ............................. 9.4 13.7 18.9 16.7 15.2 20.2 18.3 20.3

Other ............................................................ 13.6 32.3 36.0 30.8 55.3 36.8 32.6 47.0

Vacant ......................................................... 12.2 13.2 63.7 60.2 72.6 71.1 0.0 102.1

Year Constructed

1919 or Before ............................................. 7.2 12.4 21.8 23.7 22.4 26.4 25.6 39.8

1920 to 1945 ................................................ 9.0 14.1 24.3 21.8 18.2 25.3 25.5 17.5

1946 to 1959 ................................................ 7.7 10.2 18.3 15.5 14.7 20.9 18.3 19.1

1960 to 1969 ................................................ 6.2 10.8 17.9 13.7 12.4 13.4 13.7 13.7

1970 to 1979 ................................................ 5.8 13.2 15.1 14.8 10.8 17.9 16.0 13.0

1980 to 1989 ................................................ 6.1 15.9 20.6 14.6 12.2 11.7 16.2 9.9

1990 to 1999 ................................................ 6.3 19.0 13.7 17.7 12.0 9.9 12.0 13.2

Floors

One .............................................................. 4.9 7.7 11.3 7.4 8.9 11.4 12.8 18.3

Two .............................................................. 6.1 12.4 12.4 12.4 9.4 13.2 12.3 14.1

Three ........................................................... 7.4 15.7 19.9 21.5 14.4 16.9 12.5 19.3

Four to Nine ................................................. 5.7 21.1 20.4 26.1 15.2 21.1 11.1 8.8

Ten or More ................................................. 10.7 46.7 100.9 51.1 64.5 48.2 22.2 11.2

Census Region

Northeast ..................................................... 7.7 20.3 19.8 21.1 14.5 17.0 12.1 12.5

Midwest ....................................................... 5.0 11.1 10.9 17.5 13.0 11.2 14.4 9.9

South ........................................................... 5.3 8.9 10.2 9.9 8.3 10.7 11.5 12.1

West ............................................................ 6.0 14.3 13.9 14.0 11.1 15.8 12.0 12.5

Weekly Operating Hours

39 or Fewer ................................................. 9.8 11.6 23.6 21.6 33.8 36.0 42.6 81.7

40 to 48 ........................................................ 6.1 11.6 17.0 10.3 10.7 13.4 15.6 23.0

49 to 60 ........................................................ 6.1 12.4 12.2 15.2 13.4 13.9 13.7 11.9

61 to 84 ........................................................ 6.1 16.5 17.6 14.3 14.0 15.1 14.5 11.8

85 to 167 ...................................................... 7.0 18.8 19.5 16.8 12.8 14.7 15.7 16.1

Open Continuously ...................................... 5.0 13.5 14.7 21.9 11.7 12.9 10.6 9.7

RSEs for Table B11. Employment Size Category, Floorspace, 1999

Number of Workers

RSEs for Total Floorspace

All

Buildings

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 280
Fewer 

than 5 

Workers

5 to 9 

Workers

10 to 19 

Workers

20 to 49 

Workers

50 to 99 

Workers

100 to 249 

Workers

250 or

More

Workers

RSEs for Table B11. Employment Size Category, Floorspace, 1999

Number of Workers

RSEs for Total Floorspace

All

Buildings

Ownership and Occupancy

Nongovernment Owned .............................. 4.2 6.3 7.9 7.7 7.9 10.1 8.7 7.4

 Owner Occupied ........................................ 4.5 8.3 9.9 9.8 9.0 12.5 9.1 8.0

 Nonowner Occupied .................................. 6.4 8.9 13.1 10.7 10.4 14.6 12.6 14.3

 Unoccupied ............................................... 14.6 14.6 0.0 0.0 0.0 0.0 0.0 0.0

Government Owned .................................... 4.6 18.7 20.7 13.4 10.0 11.7 9.1 13.4

Vacancy Status

Completely Vacant ...................................... 14.5 14.5 0.0 0.0 0.0 0.0 0.0 0.0

Mostly Vacant .............................................. 20.0 23.4 63.7 60.2 72.6 71.1 0.0 102.1

Partially Vacant ............................................ 6.2 13.2 14.0 17.2 12.2 12.7 12.5 11.6

Not At All Vacant ......................................... 3.4 7.1 8.7 7.3 6.3 9.4 7.8 7.3

Number of Establishments

One .............................................................. 3.5 6.4 7.5 8.7 6.3 8.5 7.8 8.3

2 to 5 ............................................................ 6.5 21.2 17.0 11.3 11.3 16.6 16.4 17.9

6 to 10 .......................................................... 10.1 26.1 65.1 41.2 13.5 18.4 20.9 18.8

11 to 20 ........................................................ 12.1 59.3 61.9 47.6 25.0 23.3 19.3 13.7

More than 20 ............................................... 10.2 77.3 83.8 15.2 71.8 26.1 23.2 12.4

Currently Unoccupied .................................. 13.5 13.5 0.0 0.0 0.0 0.0 0.0 0.0

Energy Sources (more than

one may apply)

Electricity ..................................................... 3.5 6.7 7.9 6.7 6.6 8.9 7.2 6.3

Natural Gas ................................................. 3.9 8.1 7.9 7.9 7.5 8.9 7.7 7.7

Fuel Oil ........................................................ 6.9 24.0 22.9 27.5 13.3 18.2 11.8 8.9

District Heat ................................................. 9.9 23.4 27.4 30.6 22.7 18.5 20.9 14.1

District Chilled Water ................................... 12.1 38.5 49.9 34.7 29.6 20.5 22.6 17.5

Propane ....................................................... 10.9 21.7 31.7 19.3 18.7 23.1 22.1 29.3

Other ............................................................ 14.0 23.8 61.9 41.3 23.4 33.7 29.3 32.3

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 3.5 6.8 8.0 7.0 6.5 8.9 7.3 6.2

Buildings with Cooling ................................. 3.8 7.6 8.7 7.5 7.4 8.8 7.2 6.4

Buildings with Water Heating ...................... 3.7 9.3 8.2 7.1 6.3 8.9 7.2 6.2

Buildings with Cooking ................................ 4.4 17.2 14.1 14.4 7.1 10.7 10.0 8.1

Buildings with Manufacturing ....................... 12.7 29.5 34.3 22.9 22.2 32.7 26.7 27.1

Buildings with Electricity

 Generation .................................................. 7.4 35.9 34.1 29.0 14.2 15.9 15.2 9.1

Percent of Floorspace Heated

Not Heated .................................................. 11.3 10.8 35.5 23.0 33.0 33.1 30.4 43.7

1 to 50 .......................................................... 8.0 15.0 18.5 18.7 17.2 22.8 25.3 27.7

51 to 99 ........................................................ 7.1 15.9 19.0 16.3 17.9 17.3 16.7 14.5

100 ............................................................... 4.0 8.9 9.8 9.3 7.4 9.3 7.6 6.3

Percent of Floorspace Cooled

Not Cooled .................................................. 8.8 9.4 16.5 26.9 22.9 26.8 42.2 45.1

1 to 50 .......................................................... 6.9 12.1 13.4 15.2 12.9 14.9 12.6 15.6

51 to 99 ........................................................ 4.5 14.5 19.6 15.2 12.4 11.2 11.3 8.7

100 ............................................................... 5.2 8.8 11.5 10.7 9.4 12.5 9.2 9.6

Percent Lit When Open

Zero ............................................................. 32.5 43.9 73.1 71.0 0.0 0.0 0.0 0.0

1 to 50 .......................................................... 8.1 12.0 17.6 17.0 16.8 19.5 41.2 37.9

51 to 99 ........................................................ 4.9 12.4 15.5 10.1 10.0 10.4 10.7 9.5

100 ............................................................... 4.2 9.2 9.8 10.0 8.3 10.9 7.8 7.0

Building Never Open/

 Electricity Not Used .................................... 12.9 13.2 96.4 71.3 0.0 0.0 0.0 0.0

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 281
Fewer 

than 5 

Workers

5 to 9 

Workers

10 to 19 

Workers

20 to 49 

Workers

50 to 99 

Workers

100 to 249 

Workers

250 or

More

Workers

RSEs for Table B11. Employment Size Category, Floorspace, 1999

Number of Workers

RSEs for Total Floorspace

All

Buildings

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 6.3 20.0 23.3 16.9 14.8 14.3 16.3 12.1

Furnaces ...................................................... 5.5 9.2 12.5 13.0 11.8 19.6 16.4 15.7

Individual Space Heaters ............................ 5.0 9.8 15.0 12.0 10.8 10.9 14.2 11.4

District Heat ................................................. 9.9 23.2 28.7 28.8 23.1 18.9 21.0 13.9

Boilers ......................................................... 5.6 17.5 16.5 16.9 9.0 12.7 9.4 9.1

Packaged Heating Units .............................. 4.8 11.6 15.3 10.2 9.0 9.1 9.5 9.8

Other ............................................................ 7.9 22.9 41.4 30.5 18.8 26.2 22.6 15.4

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 6.8 16.2 14.6 18.7 16.3 19.4 22.3 18.4

Heat Pumps ................................................. 6.5 18.4 22.7 17.6 14.9 14.1 16.5 12.2

Individual Air Conditioners ........................... 5.9 12.2 18.9 16.1 13.6 11.6 9.7 12.9

District Chilled Water ................................... 12.1 38.5 49.9 34.7 29.6 20.5 22.6 17.5

Central Chillers ............................................ 6.0 32.9 43.1 27.2 15.2 16.7 9.6 8.0

Packaged Air Conditioning

 Units ........................................................... 4.0 9.4 11.2 7.4 7.5 8.9 9.0 8.2

Swamp Coolers ........................................... 17.5 27.8 41.8 36.6 26.7 24.1 23.3 36.5

Other ............................................................ 16.3 49.5 59.6 39.2 26.2 31.7 34.9 26.4

Lighting Equipment Types

(more than one may apply)

Incandescent ............................................... 4.2 8.9 9.0 9.1 6.7 11.4 9.4 7.8

Standard Fluorescent .................................. 3.5 7.2 8.5 7.2 6.3 9.0 7.3 6.3

Compact Fluorescent .................................. 5.7 12.6 15.6 14.0 9.4 11.9 9.8 8.6

High Intensity Discharge .............................. 5.4 20.9 22.1 16.0 9.6 10.2 10.2 8.6

Halogen ....................................................... 4.4 17.4 18.9 15.1 7.9 11.0 9.9 8.9

Other ............................................................ 14.6 37.2 52.5 25.9 31.7 35.6 41.4 30.6

Personal Computers

None ............................................................ 6.3 7.3 19.1 20.3 44.6 45.3 61.5 77.0

1 to 4 ............................................................ 6.4 9.4 9.7 12.8 14.1 28.3 30.0 71.5

5 to 9 ............................................................ 7.9 24.1 15.5 12.6 11.6 21.0 31.3 47.8

10 to 19 ........................................................ 8.4 42.8 28.4 17.7 10.0 17.9 21.8 49.9

20 to 49 ........................................................ 7.4 54.7 46.9 18.8 11.1 11.7 13.4 29.3

50 to 99 ........................................................ 7.1 59.9 43.2 48.0 16.8 11.0 13.3 28.0

100 to 249 .................................................... 7.7 28.5 63.1 60.3 24.1 15.6 10.4 12.0

250 or More ................................................. 6.2 71.6 0.0 72.4 54.1 40.8 16.8 6.8

Photocopiers

None ............................................................ 5.2 6.4 10.5 10.6 14.6 14.9 18.4 30.6

One .............................................................. 6.4 12.2 11.0 11.8 7.6 13.2 31.9 37.3

2 to 4 ............................................................ 5.5 30.1 22.1 13.0 8.4 9.4 8.8 22.8

5 to 9 ............................................................ 7.6 62.6 100.0 21.6 21.6 16.3 10.2 13.8

10 or More ................................................... 6.3 100.7 84.5 59.1 25.0 18.5 11.2 6.7

Other Electronic Equipment

(more than one may apply)

Laser Printers .............................................. 4.2 12.4 10.1 8.7 7.0 9.3 7.5 6.4

FAX Machines ............................................. 3.8 8.5 8.7 7.7 6.6 8.7 7.2 6.3

Medical Diagnostic Equipment .................... 7.9 44.1 38.7 59.7 21.3 21.8 19.7 10.3

Lighting Conservation Features

(more than one may apply)

Specular Reflectors ..................................... 6.0 14.3 17.6 10.9 10.8 11.7 10.8 7.8

Electronic Ballasts ....................................... 3.9 10.0 10.5 9.9 7.8 9.5 7.7 6.9

Skylights or Atriums ..................................... 5.8 12.7 14.7 14.0 10.7 11.9 10.4 8.8

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 282
Fewer 

than 5 

Workers

5 to 9 

Workers

10 to 19 

Workers

20 to 49 

Workers

50 to 99 

Workers

100 to 249 

Workers

250 or

More

Workers

RSEs for Table B11. Employment Size Category, Floorspace, 1999

Number of Workers

RSEs for Total Floorspace

All

Buildings

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 4.0 8.5 9.8 7.7 7.2 10.0 8.8 8.2

Cooling ........................................................ 4.4 9.7 9.7 8.0 8.0 10.4 8.7 8.5

Lighting ........................................................ 4.0 7.5 8.9 7.2 7.3 9.5 8.5 7.4

Office Equipment ......................................... 6.1 58.1 63.2 26.9 10.3 11.0 10.0 13.3

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 283
All

NongovernmentOwned

 Buildings

Owner 

Occupied

Nonowner 

Occupied Unoccupied

All GovernmentOwned 

Buildings Federal State Local

All Buildings ............................................... 4.2 4.5 5.4 5.8 17.1 9.0 25.4 15.3 12.4

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 7.1 8.3 9.2 21.7 15.6 43.3 55.6 20.7

5,001 to 10,000 ............................................ 6.7 7.8 9.8 14.4 27.7 17.7 55.4 46.5 19.0

10,001 to 25,000 .......................................... 7.1 8.0 8.8 12.4 40.8 16.8 50.6 25.3 21.5

25,001 to 50,000 .......................................... 6.9 8.4 9.7 12.4 28.3 7.9 30.3 19.2 13.8

50,001 to 100,000 ........................................ 10.3 11.5 11.6 14.8 49.9 10.0 35.5 16.4 13.4

100,001 to 200,000 ...................................... 6.3 6.7 7.7 12.6 55.2 10.3 27.8 19.9 11.9

200,001 to 500,000 ...................................... 6.5 8.3 8.5 16.8 46.6 11.3 38.0 17.0 17.5

Over 500,000 ............................................... 10.7 12.6 13.4 26.6 70.9 18.2 27.2 36.0 35.8

Principal Building Activity

Education .................................................... 12.3 16.6 18.3 38.9 0.0 18.9 84.5 20.4 21.3

Food Sales .................................................. 17.2 17.2 21.3 23.8 0.0 100.2 0.0 0.0 100.2

Food Service ............................................... 9.3 9.7 12.0 19.5 0.0 43.2 71.9 78.9 58.6

Health Care ................................................. 17.6 20.0 19.7 34.6 0.0 62.1 35.5 53.9 75.2

 Inpatient ..................................................... 25.6 35.3 13.9 96.2 0.0 31.9 39.9 67.4 46.0

 Outpatient .................................................. 19.1 21.3 21.5 36.2 0.0 82.9 59.3 83.9 86.8

Lodging ........................................................ 11.4 12.2 14.9 36.1 0.0 50.0 40.5 66.3 50.3

Mercantile .................................................... 9.1 9.1 14.0 10.7 100.2 88.9 0.0 100.0 104.0

 Retail (Other Than Mall) ............................ 10.8 10.8 15.7 13.7 100.2 104.0 0.0 0.0 104.0

 Enclosed and Strip Malls ........................... 17.7 17.7 31.8 18.8 0.0 100.0 0.0 100.0 0.0

Office ........................................................... 8.3 8.9 10.9 15.1 0.0 15.7 61.8 24.5 29.0

Public Assembly .......................................... 13.5 15.1 17.2 38.0 89.8 23.5 76.1 21.1 26.4

Public Order and Safety .............................. 28.1 43.4 44.2 100.1 0.0 36.0 100.6 31.8 38.8

Religious Worship ....................................... 12.1 12.1 12.4 62.8 0.0 0.0 0.0 0.0 0.0

Service ........................................................ 12.8 13.8 17.3 18.3 0.0 26.5 21.1 41.7 32.0

Warehouse and Storage ............................. 12.4 13.2 13.5 22.0 44.5 27.6 68.0 78.4 51.1

Other ............................................................ 22.0 20.1 25.3 38.2 0.0 58.6 63.9 70.8 62.7

Vacant ......................................................... 14.5 15.0 40.1 40.7 19.2 50.7 71.4 91.7 74.2

Year Constructed

1919 or Before ............................................. 11.3 11.4 14.3 21.0 36.6 34.4 67.6 36.0 39.2

1920 to 1945 ................................................ 10.9 12.2 13.7 20.9 56.0 23.1 60.7 23.3 26.9

1946 to 1959 ................................................ 6.7 7.6 9.7 17.3 28.7 20.7 51.8 33.1 30.8

1960 to 1969 ................................................ 7.4 8.5 10.9 15.4 46.1 15.9 34.5 30.6 19.0

1970 to 1979 ................................................ 8.1 9.5 10.5 14.1 54.4 17.6 62.3 37.6 27.9

1980 to 1989 ................................................ 7.4 7.6 9.6 11.4 39.2 20.5 33.4 34.9 21.9

1990 to 1999 ................................................ 12.9 14.1 16.7 16.6 62.9 21.0 61.5 38.6 25.2

Floors

One .............................................................. 5.4 5.5 6.7 7.6 21.3 12.7 29.3 22.7 16.5

Two .............................................................. 7.4 8.1 9.1 14.7 34.7 14.3 51.7 36.6 21.9

Three ........................................................... 9.0 9.8 10.8 22.2 50.7 16.6 36.0 14.8 23.7

Four to Nine ................................................. 9.8 12.2 13.5 32.7 37.4 28.4 29.6 18.3 44.6

Ten or More ................................................. 12.7 13.7 15.1 22.3 77.3 25.7 29.2 38.6 42.7

Census Region

Northeast ..................................................... 8.0 8.4 9.5 14.7 44.5 14.7 85.2 25.0 21.4

Midwest ....................................................... 9.7 10.1 11.7 13.8 28.2 19.6 60.7 27.8 25.6

South ........................................................... 5.6 5.6 7.7 8.5 29.5 13.9 44.6 33.1 20.2

West ............................................................ 10.8 11.2 13.1 13.9 28.5 20.4 14.8 25.3 24.2

RSEs for Table B12. Occupancy of Nongovernment-Owned and Government-Owned 

Buildings, Number of Buildings, 1999

Nongovernment-Owned Buildings Government-Owned Buildings

RSEs for Number of Buildings

All

Buildings

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 284
All

NongovernmentOwned

 Buildings

Owner 

Occupied

Nonowner 

Occupied Unoccupied

All GovernmentOwned 

Buildings Federal State Local

RSEs for Table B12. Occupancy of Nongovernment-Owned and Government-Owned 

Buildings, Number of Buildings, 1999

Nongovernment-Owned Buildings Government-Owned Buildings

RSEs for Number of Buildings

All

Buildings

Workers (main shift)

Fewer than 5 ................................................ 6.0 6.2 7.7 8.2 17.1 15.3 41.2 41.0 20.7

5 to 9 ............................................................ 7.9 7.9 9.7 12.7 0.0 21.7 44.4 38.2 23.6

10 to 19 ........................................................ 7.6 8.6 9.9 16.6 0.0 19.2 78.0 38.8 22.8

20 to 49 ........................................................ 9.0 10.9 13.5 14.6 0.0 15.9 50.7 14.2 19.0

50 to 99 ........................................................ 10.7 12.7 13.1 19.6 0.0 11.8 28.6 28.2 11.6

100 to 249 .................................................... 11.7 14.1 19.5 12.0 0.0 11.4 25.7 22.0 14.5

250 or More ................................................. 8.6 9.1 10.9 13.3 0.0 17.1 43.5 24.0 20.0

Weekly Operating Hours

39 or Fewer ................................................. 10.3 10.6 12.4 22.6 17.1 23.6 67.1 41.3 27.4

40 to 48 ........................................................ 5.9 7.0 9.1 11.4 0.0 15.3 57.5 26.4 19.7

49 to 60 ........................................................ 8.2 8.6 10.8 15.0 0.0 15.7 37.5 28.5 19.6

61 to 84 ........................................................ 9.6 9.9 12.8 14.5 0.0 12.5 27.8 18.2 17.9

85 to 167 ...................................................... 7.7 7.9 9.8 15.3 0.0 33.7 52.4 43.0 44.7

Open Continuously ...................................... 10.4 11.2 12.5 16.6 0.0 24.0 23.2 40.0 29.0

Vacancy Status

Completely Vacant ...................................... 20.7 20.9 0.0 0.0 20.9 65.0 0.0 0.0 65.0

Mostly Vacant .............................................. 22.9 25.3 40.1 40.7 48.0 54.0 71.4 91.7 85.8

Partially Vacant ............................................ 7.3 8.4 12.2 12.3 42.7 27.4 66.1 21.2 32.7

Not At All Vacant ......................................... 4.4 4.6 5.3 6.9 0.0 10.0 29.5 16.9 13.2

Number of Establishments

One .............................................................. 4.7 4.9 5.9 7.8 0.0 10.7 27.3 16.7 14.4

2 to 5 ............................................................ 9.4 9.5 12.2 15.3 0.0 24.9 72.0 19.4 30.0

6 to 10 .......................................................... 15.0 15.2 26.1 18.8 0.0 33.3 66.3 51.7 48.9

11 to 20 ........................................................ 16.8 17.3 13.5 22.3 0.0 35.7 75.5 56.4 46.7

More than 20 ............................................... 25.4 25.9 37.3 23.1 0.0 44.8 100.0 60.8 64.8

Currently Unoccupied .................................. 16.4 17.1 0.0 0.0 17.1 55.8 100.0 91.7 58.5

Multibuilding Facility Activity

Not Part of a Multibuilding

 Facility ........................................................ 4.6 4.9 6.1 6.6 18.6 15.1 20.5 28.0 17.1

College or University ................................... 19.4 26.0 27.6 78.4 100.1 13.4 70.4 13.5 58.2

Primary or Secondary School ...................... 17.7 24.6 26.2 65.8 100.7 24.0 99.9 30.4 25.6

Office Complex ............................................ 18.9 22.2 37.9 29.6 96.4 45.8 69.9 57.5 55.5

Retail Complex ............................................ 17.0 17.0 30.9 23.3 97.4 99.3 0.0 100.0 99.3

Religious Campus or Complex .................... 19.4 19.4 19.7 72.8 0.0 0.0 0.0 0.0 0.0

Health Care Complex .................................. 24.3 31.6 35.7 60.7 70.2 45.9 83.9 75.6 77.7

Government Complex ................................. 26.6 93.8 100.0 100.2 0.0 26.6 37.0 72.4 45.7

Other ............................................................ 10.6 10.7 13.1 19.7 53.5 28.5 64.1 27.4 42.2

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 4.4 5.4 6.1 34.5 9.4 24.9 15.4 12.7

Natural Gas ................................................. 4.8 5.3 6.6 7.6 35.1 11.5 35.2 19.2 14.0

Fuel Oil ........................................................ 16.7 18.6 20.2 25.6 72.6 14.5 33.8 20.8 17.1

District Heat ................................................. 15.5 20.0 20.8 50.4 0.0 25.3 61.0 28.8 44.3

District Chilled Water ................................... 27.2 24.5 20.2 54.9 0.0 47.7 75.4 16.2 78.2

Propane ....................................................... 15.0 15.5 15.8 25.4 100.2 31.2 55.5 47.6 39.7

Other ............................................................ 18.8 19.8 22.1 35.2 100.2 39.4 69.6 70.7 38.4

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 285
All

NongovernmentOwned

 Buildings

Owner 

Occupied

Nonowner 

Occupied Unoccupied

All GovernmentOwned 

Buildings Federal State Local

RSEs for Table B12. Occupancy of Nongovernment-Owned and Government-Owned 

Buildings, Number of Buildings, 1999

Nongovernment-Owned Buildings Government-Owned Buildings

RSEs for Number of Buildings

All

Buildings

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 4.5 5.6 6.0 35.3 10.3 24.7 15.6 14.0

Buildings with Cooling ................................. 3.9 4.3 5.4 7.0 42.9 9.0 30.0 17.8 12.4

Buildings with Water Heating ...................... 4.4 4.8 5.8 7.0 40.1 8.2 23.9 16.6 11.5

Buildings with Cooking ................................ 5.8 6.3 8.1 13.2 70.9 11.8 27.0 24.4 13.9

Buildings with Manufacturing ....................... 16.7 17.2 22.4 28.3 0.0 65.2 66.7 81.7 74.7

Buildings with Electricity

 Generation .................................................. 14.2 16.5 18.4 17.0 76.5 25.2 35.1 46.5 34.6

Percent of Floorspace Heated

Not Heated .................................................. 10.5 11.5 15.4 21.6 17.7 33.0 95.3 65.2 36.8

1 to 50 .......................................................... 10.9 10.9 11.7 19.8 76.7 37.1 84.5 43.6 44.5

51 to 99 ........................................................ 8.2 8.5 12.3 11.3 96.8 23.8 50.8 37.8 29.2

100 ............................................................... 4.8 5.2 6.1 8.4 43.5 12.0 31.9 18.1 16.2

Percent of Floorspace Cooled

Not Cooled .................................................. 10.4 10.5 12.5 18.6 17.2 21.4 61.2 32.8 24.2

1 to 50 .......................................................... 9.1 9.9 9.4 17.1 53.2 14.8 58.5 34.4 24.4

51 to 99 ........................................................ 6.9 7.3 10.4 12.0 80.7 16.7 54.1 33.9 17.0

100 ............................................................... 4.5 5.0 6.2 9.3 55.0 13.1 40.2 19.8 17.1

Percent Lit When Open

Zero ............................................................. 49.1 49.1 52.8 49.6 0.0 0.0 0.0 0.0 0.0

1 to 50 .......................................................... 9.0 9.2 10.5 15.7 0.0 22.5 52.7 73.2 32.3

51 to 99 ........................................................ 6.4 7.1 9.3 13.1 0.0 14.1 53.6 24.8 17.9

100 ............................................................... 5.8 5.8 7.0 8.2 0.0 15.7 28.0 17.7 18.7

Building Never Open/

 Electricity Not Used .................................... 13.0 12.8 22.2 36.3 17.1 38.1 68.9 91.7 45.5

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 10.5 11.8 15.0 19.0 100.1 22.9 55.2 44.9 26.9

Furnaces ...................................................... 7.4 7.6 9.7 11.0 50.6 20.7 66.7 33.7 22.9

Individual Space Heaters ............................ 6.7 7.6 8.8 14.3 86.7 14.8 47.5 27.9 20.9

District Heat ................................................. 16.5 22.2 22.3 61.6 0.0 27.1 61.0 16.7 46.4

Boilers ......................................................... 7.9 9.0 9.1 24.8 42.7 16.4 22.4 24.0 20.1

Packaged Heating Units .............................. 6.3 6.4 7.2 10.0 53.5 19.8 26.3 26.1 22.4

Other ............................................................ 15.1 16.7 19.8 29.5 51.3 30.2 68.7 51.0 35.9

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 10.3 10.4 11.7 18.0 99.7 29.0 65.7 37.2 28.1

Heat Pumps ................................................. 10.4 12.2 14.9 18.2 100.1 23.7 57.0 49.5 23.8

Individual Air Conditioners ........................... 8.0 8.9 9.1 18.6 71.1 16.3 29.1 38.5 21.6

District Chilled Water ................................... 27.2 24.5 20.2 54.9 0.0 47.7 75.4 16.2 78.2

Central Chillers ............................................ 14.5 19.6 23.1 14.8 81.3 14.9 22.1 16.1 23.9

Packaged Air Conditioning

 Units ........................................................... 4.7 5.0 6.1 8.9 46.7 12.8 17.6 25.4 15.2

Swamp Coolers ........................................... 17.0 17.9 21.8 30.9 0.0 42.7 103.1 60.0 24.1

Other ............................................................ 29.6 31.9 34.8 31.7 0.0 28.2 76.9 45.3 37.9

Main Equipment Replaced Since

1995 (more than one may apply)

Heating ........................................................ 6.8 7.2 10.0 11.4 91.1 15.7 55.5 33.1 17.7

Cooling ........................................................ 5.9 6.2 8.5 10.4 86.7 14.3 54.6 26.6 16.7

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 286
All

NongovernmentOwned

 Buildings

Owner 

Occupied

Nonowner 

Occupied Unoccupied

All GovernmentOwned 

Buildings Federal State Local

RSEs for Table B12. Occupancy of Nongovernment-Owned and Government-Owned 

Buildings, Number of Buildings, 1999

Nongovernment-Owned Buildings Government-Owned Buildings

RSEs for Number of Buildings

All

Buildings

Lighting Equipment Types

(more than one may apply)

Incandescent ............................................... 4.9 5.0 6.1 9.5 83.4 12.6 45.4 20.9 16.4

Standard Fluorescent .................................. 4.1 4.4 5.3 6.2 68.4 11.2 25.7 15.6 14.5

Compact Fluorescent .................................. 9.0 10.1 11.5 18.6 70.9 17.7 19.7 30.6 24.2

High Intensity Discharge .............................. 10.9 12.0 14.6 21.1 0.0 14.2 24.3 19.7 18.3

Halogen ....................................................... 9.1 9.7 10.8 18.7 58.7 17.6 28.7 14.9 23.3

Other ............................................................ 32.3 33.0 36.6 52.6 0.0 38.0 100.0 58.1 51.8

Personal Computers

None ............................................................ 7.0 6.9 9.1 10.3 17.7 19.8 61.4 32.5 23.4

1 to 4 ............................................................ 7.2 7.9 8.9 11.5 49.1 20.5 52.1 40.1 26.4

5 to 9 ............................................................ 8.1 9.6 12.7 16.8 87.5 20.5 65.2 62.6 24.1

10 to 19 ........................................................ 11.6 12.2 15.1 21.8 70.8 27.0 39.0 40.1 30.6

20 to 49 ........................................................ 11.1 14.3 18.0 21.9 0.0 18.5 55.8 29.9 22.8

50 to 99 ........................................................ 11.0 14.5 20.8 18.3 0.0 12.1 53.4 19.4 14.6

100 to 249 .................................................... 8.8 11.2 12.8 14.5 0.0 13.2 23.6 28.2 12.9

250 or More ................................................. 8.5 9.5 10.1 18.8 0.0 13.8 42.3 23.6 17.3

Photocopiers

None ............................................................ 5.4 5.5 6.8 8.4 17.4 12.9 38.4 28.2 17.2

One .............................................................. 6.8 7.7 8.8 16.5 70.6 14.3 53.6 36.9 22.0

2 to 4 ............................................................ 7.9 9.4 9.9 17.0 101.3 11.0 21.5 15.0 13.9

5 to 9 ............................................................ 17.7 21.4 30.0 24.0 0.0 17.9 34.1 41.0 14.0

10 or More ................................................... 12.0 13.7 17.2 17.7 0.0 12.1 34.1 17.3 19.5

Other Electronic Equipment

(more than one may apply)

Laser Printers .............................................. 5.1 6.1 7.2 8.9 68.5 8.8 25.7 17.9 13.1

FAX Machines ............................................. 5.1 5.6 6.3 8.3 62.7 7.0 26.4 17.0 10.6

Medical Diagnostic Equipment .................... 19.8 21.8 25.0 36.3 0.0 69.1 36.0 55.8 80.1

Energy-Related Space Functions

(more than one may apply)

Commercial Food Preparation .................... 5.8 6.4 7.9 13.4 100.1 12.2 28.6 24.6 14.4

Activities with Large

 Amounts of Hot Water ................................ 6.3 7.1 9.1 12.7 100.1 13.5 52.6 27.0 16.0

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 6.5 7.0 7.6 9.4 41.0 9.7 37.6 22.7 13.2

Tinted, Reflective, or

 Shading Glass ............................................ 5.7 6.1 7.4 10.6 67.2 11.6 43.8 19.2 12.9

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ....................... 9.8 10.2 12.3 15.5 99.7 16.9 20.2 26.1 21.4

Economizer Cycle ........................................ 8.2 10.8 12.2 17.3 95.6 16.0 41.1 27.1 20.8

HVAC Maintenance ..................................... 4.8 5.3 5.9 8.0 51.3 11.0 29.8 15.8 14.4

Energy Management and

 Control System (EMCS) ............................. 10.3 11.5 14.0 17.7 98.2 14.9 42.4 14.7 20.0

Lighting Conservation Features

(more than one may apply)

Specular Reflectors ..................................... 8.8 10.0 10.9 17.5 96.5 15.0 51.9 11.4 20.7

Electronic Ballasts ....................................... 5.3 5.7 7.1 8.6 66.3 11.2 33.2 17.0 13.0

Skylights or Atriums ..................................... 8.6 9.0 10.0 18.2 67.9 19.3 27.6 27.8 25.5

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 287
All

NongovernmentOwned

 Buildings

Owner 

Occupied

Nonowner 

Occupied Unoccupied

All GovernmentOwned 

Buildings Federal State Local

RSEs for Table B12. Occupancy of Nongovernment-Owned and Government-Owned 

Buildings, Number of Buildings, 1999

Nongovernment-Owned Buildings Government-Owned Buildings

RSEs for Number of Buildings

All

Buildings

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 5.0 5.3 6.6 8.1 39.5 13.4 27.5 15.3 15.6

Cooling ........................................................ 4.3 4.7 5.8 9.1 46.3 13.1 36.6 17.1 15.6

Lighting ........................................................ 4.4 4.7 5.6 6.9 0.0 12.2 27.7 16.6 15.7

Office Equipment ......................................... 8.5 13.5 16.9 21.8 0.0 10.6 36.5 22.9 13.2

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 288
All

NongovernmentOwned

 Buildings

Owner 

Occupied

Nonowner 

Occupied Unoccupied

All GovernmentOwned 

Buildings Federal State Local

All Buildings ............................................... 3.5 4.2 4.5 6.4 14.6 4.6 17.9 10.2 6.4

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.1 6.6 8.1 10.4 20.6 15.8 43.9 57.2 21.3

5,001 to 10,000 ............................................ 7.1 8.1 10.5 13.1 29.7 17.9 56.1 48.2 20.5

10,001 to 25,000 .......................................... 6.8 7.8 8.5 11.9 45.4 16.7 43.5 22.3 21.8

25,001 to 50,000 .......................................... 6.8 8.4 9.6 12.6 26.9 8.7 28.4 19.4 13.4

50,001 to 100,000 ........................................ 10.2 11.4 11.5 15.1 49.1 10.1 36.9 16.3 13.7

100,001 to 200,000 ...................................... 6.4 6.9 8.1 13.1 50.8 10.5 27.5 19.4 12.5

200,001 to 500,000 ...................................... 6.6 8.4 8.5 16.7 45.9 10.7 42.5 18.0 15.6

Over 500,000 ............................................... 11.1 13.4 14.5 24.6 71.4 19.3 30.1 36.6 34.7

Principal Building Activity

Education .................................................... 6.2 10.2 10.9 27.6 0.0 7.3 79.2 14.3 7.5

Food Sales .................................................. 16.0 15.9 20.4 20.0 0.0 100.2 0.0 0.0 100.2

Food Service ............................................... 9.7 10.4 13.5 20.8 0.0 36.8 71.1 57.9 55.2

Health Care ................................................. 7.6 8.5 8.9 22.9 0.0 20.5 19.8 29.3 35.1

 Inpatient ..................................................... 9.9 11.4 12.2 58.2 0.0 19.4 20.8 35.1 33.7

 Outpatient .................................................. 10.3 11.4 15.0 20.7 0.0 46.3 61.5 71.2 62.7

Lodging ........................................................ 11.0 11.2 11.4 29.0 0.0 26.0 54.6 28.3 52.2

Mercantile .................................................... 8.8 8.8 12.1 10.9 100.2 71.7 0.0 100.0 104.0

 Retail (Other Than Mall) ............................ 10.7 10.8 14.5 11.6 100.2 104.0 0.0 0.0 104.0

 Enclosed and Strip Malls ........................... 10.3 10.3 15.5 14.4 0.0 100.0 0.0 100.0 0.0

Office ........................................................... 6.9 7.6 8.3 11.7 0.0 11.9 21.0 19.7 18.7

Public Assembly .......................................... 10.8 14.8 15.8 32.6 93.1 12.7 57.1 23.7 19.2

Public Order and Safety .............................. 22.2 31.6 33.3 100.1 0.0 24.9 100.6 42.2 29.3

Religious Worship ....................................... 12.0 12.0 12.1 52.1 0.0 0.0 0.0 0.0 0.0

Service ........................................................ 11.8 14.6 20.1 17.3 0.0 22.6 43.5 57.3 30.6

Warehouse and Storage ............................. 9.4 10.0 9.7 14.2 40.1 28.6 55.3 46.1 45.5

Other ............................................................ 13.6 14.3 19.3 27.5 0.0 28.0 33.1 76.9 64.5

Vacant ......................................................... 12.2 12.5 41.0 31.9 13.5 36.3 60.5 71.9 39.3

Year Constructed

1919 or Before ............................................. 7.2 7.4 9.4 16.2 29.8 24.2 63.3 35.7 25.5

1920 to 1945 ................................................ 9.0 10.4 11.1 18.0 34.9 16.0 62.9 26.7 19.8

1946 to 1959 ................................................ 7.7 9.0 10.0 16.2 25.4 12.3 35.6 16.9 17.3

1960 to 1969 ................................................ 6.2 7.8 8.8 13.3 30.4 9.1 29.9 25.5 10.5

1970 to 1979 ................................................ 5.8 6.7 8.3 10.2 40.6 12.2 27.9 25.3 14.6

1980 to 1989 ................................................ 6.1 5.8 6.0 10.9 48.0 16.2 37.0 22.8 20.0

1990 to 1999 ................................................ 6.3 7.3 8.2 9.7 51.7 9.2 26.0 16.4 11.7

Floors

One .............................................................. 4.9 5.2 5.7 7.5 21.8 8.5 22.6 18.8 10.5

Two .............................................................. 6.1 6.7 7.4 12.3 22.9 11.5 42.0 18.9 14.3

Three ........................................................... 7.4 9.1 10.4 17.7 38.1 10.3 39.0 18.0 15.0

Four to Nine ................................................. 5.7 7.4 8.5 17.5 36.9 11.3 30.2 16.6 17.5

Ten or More ................................................. 10.7 11.1 11.2 22.0 71.3 24.6 41.0 23.4 38.4

Census Region

Northeast ..................................................... 7.7 9.2 11.6 14.4 37.8 11.3 40.8 25.4 14.9

Midwest ....................................................... 5.0 6.3 7.3 11.1 21.3 11.8 40.3 23.4 15.3

South ........................................................... 5.3 5.2 5.6 9.1 29.5 9.7 23.3 14.1 13.9

West ............................................................ 6.0 7.6 7.8 10.1 14.8 8.4 43.2 23.3 11.7

RSEs for Table B13. Occupancy of Nongovernment-Owned and Government Owned 

Buildings, Floorspace, 1999

Nongovernment-Owned Buildings Government-Owned Buildings

RSEs for Total Floorspace

All

Buildings

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 289
All

NongovernmentOwned

 Buildings

Owner 

Occupied

Nonowner 

Occupied Unoccupied

All GovernmentOwned 

Buildings Federal State Local

RSEs for Table B13. Occupancy of Nongovernment-Owned and Government Owned 

Buildings, Floorspace, 1999

Nongovernment-Owned Buildings Government-Owned Buildings

RSEs for Total Floorspace

All

Buildings

Workers (main shift)

Fewer than 5 ................................................ 6.3 6.3 8.3 8.9 14.6 18.7 53.5 19.9 25.5

5 to 9 ............................................................ 7.6 7.9 9.9 13.1 0.0 20.7 61.2 44.7 18.7

10 to 19 ........................................................ 6.7 7.7 9.8 10.7 0.0 13.4 61.4 26.2 17.2

20 to 49 ........................................................ 6.6 7.9 9.0 10.4 0.0 10.0 42.1 14.2 11.9

50 to 99 ........................................................ 8.9 10.1 12.5 14.6 0.0 11.7 24.2 18.1 14.1

100 to 249 .................................................... 7.2 8.7 9.1 12.6 0.0 9.1 24.6 18.5 12.7

250 or More ................................................. 6.3 7.4 8.0 14.3 0.0 13.4 25.5 25.9 20.7

Weekly Operating Hours

39 or Fewer ................................................. 9.8 10.6 12.6 18.5 14.6 20.5 77.8 37.2 22.0

40 to 48 ........................................................ 6.1 7.5 9.0 9.9 0.0 9.6 40.3 15.7 12.2

49 to 60 ........................................................ 6.1 6.5 8.8 10.1 0.0 11.2 23.5 20.2 14.2

61 to 84 ........................................................ 6.1 7.2 8.4 11.2 0.0 11.8 33.2 22.2 12.4

85 to 167 ...................................................... 7.0 8.1 8.5 12.9 0.0 17.1 78.6 29.1 21.5

Open Continuously ...................................... 5.0 5.5 5.7 12.3 0.0 13.6 24.6 21.7 20.1

Vacancy Status

Completely Vacant ...................................... 14.5 15.1 0.0 0.0 15.1 61.3 0.0 0.0 61.3

Mostly Vacant .............................................. 20.0 21.0 41.0 31.9 28.1 42.9 60.5 71.9 52.6

Partially Vacant ............................................ 6.2 6.5 9.2 9.1 36.8 12.9 15.0 23.7 17.8

Not At All Vacant ......................................... 3.4 4.2 4.6 6.6 0.0 5.2 22.1 10.0 6.5

Number of Establishments

One .............................................................. 3.5 4.4 4.9 7.2 0.0 5.3 20.2 11.7 6.5

2 to 5 ............................................................ 6.5 7.2 9.2 9.1 0.0 14.7 36.4 18.3 23.4

6 to 10 .......................................................... 10.1 10.2 17.6 13.5 0.0 27.8 51.5 38.5 46.5

11 to 20 ........................................................ 12.1 12.8 17.7 16.5 0.0 33.2 61.2 52.3 46.0

More than 20 ............................................... 10.2 10.2 11.6 19.0 0.0 45.8 100.0 66.4 65.6

Currently Unoccupied .................................. 13.5 14.6 0.0 0.0 14.6 39.2 100.0 71.9 42.9

Multibuilding Facility Activity

Not Part of a Multibuilding

 Facility ........................................................ 4.0 4.4 4.8 7.5 16.2 7.2 31.6 16.3 8.2

College or University ................................... 12.4 19.1 20.4 53.9 100.1 11.9 71.7 12.7 56.9

Primary or Secondary School ...................... 13.1 20.8 21.5 57.9 100.7 13.9 99.9 27.1 13.5

Office Complex ............................................ 11.1 12.4 18.4 14.6 78.8 31.8 37.4 34.6 63.5

Retail Complex ............................................ 13.6 14.0 23.1 15.7 86.4 75.9 0.0 100.0 79.2

Religious Campus or Complex .................... 13.4 13.4 13.6 68.8 0.0 0.0 0.0 0.0 0.0

Health Care Complex .................................. 11.3 12.5 11.9 53.6 70.6 21.1 34.1 39.1 36.3

Government Complex ................................. 21.2 74.2 100.0 100.2 0.0 21.3 33.9 30.2 35.6

Other ............................................................ 9.6 10.3 10.4 17.8 31.0 20.3 41.6 36.3 27.5

Energy Sources (more than

one may apply)

Electricity ..................................................... 3.5 4.2 4.6 6.5 24.8 4.8 18.4 10.3 6.4

Natural Gas ................................................. 3.9 4.4 4.7 7.4 32.5 6.1 17.7 14.2 7.3

Fuel Oil ........................................................ 6.9 8.6 9.9 17.0 79.6 9.5 27.3 20.2 10.5

District Heat ................................................. 9.9 12.9 13.9 24.2 0.0 14.6 35.3 14.1 29.6

District Chilled Water ................................... 12.1 16.9 17.8 34.0 0.0 18.6 38.7 16.5 34.8

Propane ....................................................... 10.9 11.6 12.3 19.9 100.2 17.4 45.7 29.9 21.6

Other ............................................................ 14.0 15.8 19.1 21.6 100.2 27.4 43.0 43.5 32.7

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 290
All

NongovernmentOwned

 Buildings

Owner 

Occupied

Nonowner 

Occupied Unoccupied

All GovernmentOwned 

Buildings Federal State Local

RSEs for Table B13. Occupancy of Nongovernment-Owned and Government Owned 

Buildings, Floorspace, 1999

Nongovernment-Owned Buildings Government-Owned Buildings

RSEs for Total Floorspace

All

Buildings

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 3.5 4.3 4.7 6.3 25.8 4.6 18.4 10.5 6.1

Buildings with Cooling ................................. 3.8 4.6 4.9 7.0 39.9 5.0 16.4 11.0 6.2

Buildings with Water Heating ...................... 3.7 4.3 4.8 6.4 38.8 4.5 17.6 10.7 6.0

Buildings with Cooking ................................ 4.4 5.1 6.0 10.4 71.0 6.1 23.3 18.3 6.7

Buildings with Manufacturing ....................... 12.7 13.1 15.0 19.1 0.0 36.1 68.7 55.6 65.7

Buildings with Electricity

 Generation .................................................. 7.4 9.0 10.0 15.3 81.3 11.0 27.0 20.4 13.1

Percent of Floorspace Heated

Not Heated .................................................. 11.3 12.3 17.5 19.2 16.5 33.4 92.3 35.0 39.7

1 to 50 .......................................................... 8.0 8.0 8.5 15.2 41.6 26.3 64.9 38.8 34.3

51 to 99 ........................................................ 7.1 7.7 8.8 10.8 93.0 14.4 28.6 20.8 19.5

100 ............................................................... 4.0 5.0 5.7 6.5 32.7 5.5 23.4 12.3 7.3

Percent of Floorspace Cooled

Not Cooled .................................................. 8.8 9.2 9.9 15.8 12.8 18.2 57.3 28.6 25.6

1 to 50 .......................................................... 6.9 8.4 8.6 12.3 55.9 10.5 41.3 20.3 11.8

51 to 99 ........................................................ 4.5 5.5 6.0 10.7 62.9 9.8 23.0 18.4 12.5

100 ............................................................... 5.2 5.8 7.0 5.9 55.0 7.9 25.4 15.7 9.3

Percent Lit When Open

Zero ............................................................. 32.5 32.5 36.3 65.6 0.0 0.0 0.0 0.0 0.0

1 to 50 .......................................................... 8.1 8.5 9.7 13.5 0.0 22.3 53.7 39.3 25.2

51 to 99 ........................................................ 4.9 5.9 7.1 10.4 0.0 7.0 19.6 14.5 9.5

100 ............................................................... 4.2 4.8 5.6 7.1 0.0 7.8 27.5 14.9 8.4

Building Never Open/

 Electricity Not Used .................................... 12.9 12.3 23.5 30.2 14.6 41.8 87.4 71.9 47.6

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 6.3 8.1 9.3 10.6 100.1 14.0 44.0 25.3 17.9

Furnaces ...................................................... 5.5 6.0 7.5 9.7 35.0 15.1 41.8 30.2 17.6

Individual Space Heaters ............................ 5.0 5.5 6.7 9.5 50.3 10.0 25.6 25.2 9.8

District Heat ................................................. 9.9 13.3 14.3 25.0 0.0 15.2 35.3 15.0 30.2

Boilers ......................................................... 5.6 7.3 8.0 12.8 51.2 6.8 19.8 17.1 8.4

Packaged Heating Units .............................. 4.8 5.2 5.4 8.0 45.7 11.9 24.8 23.5 13.1

Other ............................................................ 7.9 9.2 10.9 20.1 39.3 16.9 51.4 25.5 28.9

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 6.8 7.8 8.5 18.4 99.7 14.9 49.9 28.1 17.2

Heat Pumps ................................................. 6.5 7.8 8.9 10.3 100.1 14.7 49.2 26.8 17.6

Individual Air Conditioners ........................... 5.9 8.2 8.7 16.6 62.1 9.6 28.8 21.8 11.6

District Chilled Water ................................... 12.1 16.9 17.8 34.0 0.0 18.6 38.7 16.5 34.8

Central Chillers ............................................ 6.0 7.4 8.6 14.2 72.8 8.3 20.3 16.2 12.7

Packaged Air Conditioning

 Units ........................................................... 4.0 4.6 4.6 7.7 47.9 7.8 21.5 19.0 8.0

Swamp Coolers ........................................... 17.5 17.5 18.9 26.3 0.0 34.3 103.1 54.4 35.9

Other ............................................................ 16.3 17.7 19.6 27.2 0.0 27.3 72.6 44.1 36.7

Main Equipment Replaced Since

1995 (more than one may apply)

Heating ........................................................ 7.6 8.0 9.4 11.8 69.0 11.6 32.4 31.5 13.2

Cooling ........................................................ 5.5 6.4 7.3 10.7 60.7 8.6 36.9 20.9 8.9

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 291
All

NongovernmentOwned

 Buildings

Owner 

Occupied

Nonowner 

Occupied Unoccupied

All GovernmentOwned 

Buildings Federal State Local

RSEs for Table B13. Occupancy of Nongovernment-Owned and Government Owned 

Buildings, Floorspace, 1999

Nongovernment-Owned Buildings Government-Owned Buildings

RSEs for Total Floorspace

All

Buildings

Lighting Equipment Types

(more than one may apply)

Incandescent ............................................... 4.2 4.7 5.3 7.7 57.7 6.6 20.3 12.1 8.0

Standard Fluorescent .................................. 3.5 4.2 4.5 6.6 36.5 4.7 17.6 10.5 6.1

Compact Fluorescent .................................. 5.7 6.4 7.2 10.4 70.7 9.0 18.2 15.4 13.4

High Intensity Discharge .............................. 5.4 6.4 7.6 9.6 0.0 8.0 24.9 17.2 8.7

Halogen ....................................................... 4.4 4.6 5.6 9.9 31.8 10.3 23.5 15.9 13.6

Other ............................................................ 14.6 17.5 21.0 25.4 0.0 31.9 100.0 50.5 47.5

Personal Computers

None ............................................................ 6.3 6.2 8.7 10.6 12.8 24.4 69.7 35.5 30.8

1 to 4 ............................................................ 6.4 7.2 8.3 10.7 48.3 17.6 45.8 36.5 23.2

5 to 9 ............................................................ 7.9 8.7 12.5 11.3 58.7 17.9 58.9 23.2 19.8

10 to 19 ........................................................ 8.4 8.8 10.8 13.9 75.0 17.1 42.0 23.5 24.3

20 to 49 ........................................................ 7.4 8.3 9.9 11.7 0.0 14.5 32.3 21.1 18.8

50 to 99 ........................................................ 7.1 8.9 11.6 14.9 0.0 12.1 44.6 20.2 14.0

100 to 249 .................................................... 7.7 10.7 12.0 19.6 0.0 9.0 22.5 16.1 12.3

250 or More ................................................. 6.2 7.1 7.9 16.2 0.0 11.2 27.8 24.2 18.0

Photocopiers

None ............................................................ 5.2 5.8 6.9 9.6 15.1 11.3 38.4 24.6 16.5

One .............................................................. 6.4 7.5 9.1 10.5 44.7 10.8 46.9 17.7 13.2

2 to 4 ............................................................ 5.5 6.4 6.6 10.5 101.3 7.5 40.5 15.7 9.6

5 to 9 ............................................................ 7.6 10.5 13.7 14.8 0.0 10.0 22.3 23.7 13.9

10 or More ................................................... 6.3 7.2 8.4 12.6 0.0 11.8 23.4 20.1 20.0

Other Electronic Equipment

(more than one may apply)

Laser Printers .............................................. 4.2 5.3 5.6 8.0 64.2 4.7 18.8 11.3 6.6

FAX Machines ............................................. 3.8 4.6 4.8 7.1 49.3 4.5 18.8 11.1 6.2

Medical Diagnostic Equipment .................... 7.9 8.3 8.9 20.9 0.0 22.5 26.0 30.4 38.0

Energy-Related Space Functions

(more than one may apply)

Commercial Food Preparation .................... 4.5 5.2 6.1 10.7 100.1 6.1 24.0 18.2 6.7

Activities with Large

 Amounts of Hot Water ................................ 4.0 4.6 5.7 9.8 100.1 6.9 24.4 17.2 7.9

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 4.5 5.2 5.7 7.8 40.1 5.9 19.4 14.4 7.0

Tinted, Reflective, or

 Shading Glass ............................................ 4.8 4.7 5.4 8.1 34.6 8.4 16.9 14.3 10.7

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ....................... 5.4 6.2 7.2 9.9 99.7 8.4 17.8 12.8 12.6

Economizer Cycle ........................................ 5.2 6.4 7.6 9.6 71.3 7.6 18.7 16.6 10.2

HVAC Maintenance ..................................... 3.9 4.7 5.2 6.9 42.1 4.7 19.3 10.5 6.8

Energy Management and

 Control System (EMCS) ............................. 5.4 6.9 7.9 10.0 98.2 5.3 23.2 10.6 9.7

Lighting Conservation Features

(more than one may apply)

Specular Reflectors ..................................... 6.0 7.4 8.1 9.8 75.0 8.3 24.1 14.0 10.7

Electronic Ballasts ....................................... 3.9 4.5 5.0 7.9 66.7 6.0 17.2 10.2 7.1

Skylights or Atriums ..................................... 5.8 5.9 6.2 12.6 29.5 10.5 25.0 18.0 13.5

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 292
All

NongovernmentOwned

 Buildings

Owner 

Occupied

Nonowner 

Occupied Unoccupied

All GovernmentOwned 

Buildings Federal State Local

RSEs for Table B13. Occupancy of Nongovernment-Owned and Government Owned 

Buildings, Floorspace, 1999

Nongovernment-Owned Buildings Government-Owned Buildings

RSEs for Total Floorspace

All

Buildings

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 4.0 4.9 5.9 7.5 32.8 5.5 25.2 12.0 7.4

Cooling ........................................................ 4.4 5.0 5.7 8.0 46.9 6.4 21.6 13.4 8.2

Lighting ........................................................ 4.0 4.7 5.2 7.2 0.0 4.9 23.3 9.8 6.7

Office Equipment ......................................... 6.1 8.6 10.4 14.6 0.0 7.2 35.1 16.3 9.5

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 293
One

Two to

Five

Six to

Ten

Eleven to 

Twenty

More than 

Twenty

Currently 

Unoccupied

All Buildings ............................................... 4.2 4.7 9.4 15.0 16.8 25.4 16.4

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 7.6 15.4 66.6 74.5 74.1 20.3

5,001 to 10,000 ............................................ 6.7 8.4 15.3 41.9 71.1 99.1 27.7

10,001 to 25,000 .......................................... 7.1 8.5 18.0 20.5 47.6 62.1 37.0

25,001 to 50,000 .......................................... 6.9 6.8 11.4 20.8 22.5 54.0 28.3

50,001 to 100,000 ........................................ 10.3 10.8 16.6 19.6 19.4 26.1 38.7

100,001 to 200,000 ...................................... 6.3 7.7 16.5 24.5 18.5 18.7 45.2

200,001 to 500,000 ...................................... 6.5 7.6 19.2 25.0 22.5 16.4 38.6

Over 500,000 ............................................... 10.7 11.8 24.7 41.4 53.6 13.0 70.9

Principal Building Activity

Education .................................................... 12.3 12.5 34.5 59.1 100.2 108.8 0.0

Food Sales .................................................. 17.2 18.9 45.0 0.0 0.0 97.9 0.0

Food Service ............................................... 9.3 9.9 40.1 92.9 0.0 0.0 0.0

Health Care ................................................. 17.6 19.1 42.4 37.8 32.7 45.6 0.0

 Inpatient ..................................................... 25.6 28.0 42.7 82.2 38.2 59.5 0.0

 Outpatient .................................................. 19.1 21.0 43.6 39.8 34.6 46.3 0.0

Lodging ........................................................ 11.4 11.4 39.5 52.0 0.0 59.4 0.0

Mercantile .................................................... 9.1 11.7 14.4 20.0 14.5 29.7 100.2

 Retail (Other Than Mall) ............................ 10.8 11.7 22.6 77.9 65.6 70.0 100.2

 Enclosed and Strip Malls ........................... 17.7 58.8 26.5 27.1 15.3 30.6 0.0

Office ........................................................... 8.3 10.2 15.3 25.1 19.7 15.7 0.0

Public Assembly .......................................... 13.5 14.7 32.3 34.7 66.5 94.6 84.3

Public Order and Safety .............................. 28.1 29.9 73.4 71.6 73.1 0.0 0.0

Religious Worship ....................................... 12.1 13.7 41.8 58.3 0.0 0.0 0.0

Service ........................................................ 12.8 12.2 27.0 100.7 100.0 0.0 99.6

Warehouse and Storage ............................. 12.4 13.5 23.8 27.1 69.1 45.0 44.4

Other ............................................................ 22.0 24.4 53.1 64.6 58.4 92.9 0.0

Vacant ......................................................... 14.5 30.1 43.2 97.3 100.1 0.0 18.4

Year Constructed

1919 or Before ............................................. 11.3 14.0 24.7 34.8 27.4 47.2 36.1

1920 to 1945 ................................................ 10.9 12.3 18.6 59.1 48.4 31.0 46.5

1946 to 1959 ................................................ 6.7 7.7 24.2 55.5 29.5 70.1 28.6

1960 to 1969 ................................................ 7.4 7.9 23.7 20.4 22.9 70.5 40.6

1970 to 1979 ................................................ 8.1 8.1 21.3 30.4 39.3 24.3 53.4

1980 to 1989 ................................................ 7.4 8.8 14.7 29.7 22.5 19.0 39.0

1990 to 1999 ................................................ 12.9 14.7 27.6 19.7 26.1 43.0 62.9

Floors

One .............................................................. 5.4 5.7 12.9 20.9 27.5 45.7 20.6

Two .............................................................. 7.4 8.1 15.2 30.3 31.1 38.9 32.7

Three ........................................................... 9.0 9.9 21.0 50.9 33.1 57.7 50.0

Four to Nine ................................................. 9.8 14.4 33.7 14.8 21.9 20.1 35.1

Ten or More ................................................. 12.7 17.6 33.6 28.8 23.0 17.6 77.3

Census Region

Northeast ..................................................... 8.0 9.6 18.1 37.0 17.0 47.5 46.2

Midwest ....................................................... 9.7 11.6 14.3 40.1 19.4 31.4 27.9

South ........................................................... 5.6 7.1 14.4 18.8 15.1 17.8 28.9

West ............................................................ 10.8 11.5 23.3 24.6 38.0 56.7 26.9

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ................................ 19.0 21.7 23.0 32.9 35.2 43.9 69.6

 5,500-7,000 HDD ...................................... 7.0 8.8 15.3 19.6 16.9 28.8 29.8

 4,000-5,499 HDD ...................................... 16.8 17.7 24.5 35.5 18.0 32.2 44.1

 Fewer than 4,000 HDD .............................. 10.9 10.7 19.2 18.6 34.1 23.4 51.4

2,000 CDD or More and --

 Fewer than 4,000 HDD .............................. 11.1 11.9 18.9 43.3 21.8 51.7 36.7

RSEs for Table B14. Number of Establishments in Building, Number of Buildings, 

1999

Number of Establishments in Building

RSEs for Number of Buildings

All Buildings

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 294
One

Two to

Five

Six to

Ten

Eleven to 

Twenty

More than 

Twenty

Currently 

Unoccupied

RSEs for Table B14. Number of Establishments in Building, Number of Buildings, 

1999

Number of Establishments in Building

RSEs for Number of Buildings

All Buildings

Workers (main shift)

Fewer than 5 ................................................ 6.0 6.3 17.5 50.1 57.5 73.9 16.4

5 to 9 ............................................................ 7.9 9.0 16.3 32.5 85.0 72.1 0.0

10 to 19 ........................................................ 7.6 9.9 15.2 46.3 67.5 87.8 0.0

20 to 49 ........................................................ 9.0 9.5 18.4 17.0 21.9 82.3 0.0

50 to 99 ........................................................ 10.7 9.7 23.2 34.3 29.2 37.9 0.0

100 to 249 .................................................... 11.7 17.3 16.8 21.3 17.3 24.2 0.0

250 or More ................................................. 8.6 13.8 24.5 17.9 17.9 12.6 0.0

Ownership and Occupancy

Nongovernment Owned .............................. 4.5 4.9 9.5 15.2 17.3 25.9 17.1

 Owner Occupied ........................................ 5.4 5.9 12.2 26.1 13.5 37.3 0.0

 Nonowner Occupied .................................. 5.8 7.8 15.3 18.8 22.3 23.1 0.0

 Unoccupied ............................................... 17.1 0.0 0.0 0.0 0.0 0.0 17.1

Government Owned .................................... 9.0 10.7 24.9 33.3 35.7 44.8 55.8

Vacancy Status

Completely Vacant ...................................... 20.7 0.0 0.0 0.0 0.0 0.0 20.7

Mostly Vacant .............................................. 22.9 30.1 43.2 97.3 100.1 0.0 41.2

Partially Vacant ............................................ 7.3 11.2 18.0 13.5 11.5 15.7 39.8

Not At All Vacant ......................................... 4.4 5.0 9.7 21.7 26.4 44.0 0.0

Multibuilding Facility Activity

Not Part of a Multibuilding

 Facility ........................................................ 4.6 5.3 9.7 21.7 20.6 33.7 17.7

College or University ................................... 19.4 20.2 32.9 61.4 100.1 63.6 100.1

Primary or Secondary School ...................... 17.7 17.6 61.2 0.0 0.0 102.1 100.7

Office Complex ............................................ 18.9 26.9 37.0 24.0 28.9 33.1 93.7

Retail Complex ............................................ 17.0 23.7 32.4 22.5 21.5 25.9 97.4

Religious Campus or Complex .................... 19.4 21.2 75.6 0.0 100.0 0.0 0.0

Health Care Complex .................................. 24.3 27.0 56.0 38.3 34.9 42.1 58.0

Government Complex ................................. 26.6 27.4 74.8 62.6 79.5 0.0 0.0

Other ............................................................ 10.6 10.3 26.4 56.7 42.2 42.6 52.8

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 4.6 9.4 15.1 16.8 25.8 32.0

Natural Gas ................................................. 4.8 5.7 9.8 21.1 15.0 31.8 32.1

Fuel Oil ........................................................ 16.7 18.3 34.9 25.9 25.7 35.9 61.5

District Heat ................................................. 15.5 16.8 21.7 78.1 42.3 25.5 0.0

District Chilled Water ................................... 27.2 29.8 36.9 42.7 40.7 49.4 0.0

Propane ....................................................... 15.0 14.9 36.9 27.8 35.2 53.6 100.2

Other ............................................................ 18.8 19.4 50.8 59.2 42.0 53.7 100.2

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 5.0 9.5 15.5 16.9 28.1 32.0

Buildings with Cooling ................................. 3.9 4.6 9.7 15.7 17.4 25.7 37.9

Buildings with Water Heating ...................... 4.4 5.2 10.6 17.4 11.9 27.2 36.0

Buildings with Cooking ................................ 5.8 6.7 17.1 19.5 14.1 38.9 70.9

Buildings with Manufacturing ....................... 16.7 19.3 23.7 79.1 85.0 58.5 0.0

Buildings with Electricity

 Generation .................................................. 14.2 18.3 23.0 22.1 26.5 20.0 76.5

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 10.5 12.3 25.0 37.8 20.7 21.4 100.1

Furnaces ...................................................... 7.4 7.7 12.8 42.2 43.8 27.8 50.6

Individual Space Heaters ............................ 6.7 8.3 17.7 18.2 51.4 22.1 82.8

District Heat ................................................. 16.5 17.7 22.1 78.1 46.7 25.5 0.0

Boilers ......................................................... 7.9 9.4 18.8 14.9 17.2 54.7 35.5

Packaged Heating Units .............................. 6.3 7.2 15.3 13.9 15.9 24.3 53.2

Other ............................................................ 15.1 17.1 41.2 43.9 26.8 26.8 79.8

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 295
One

Two to

Five

Six to

Ten

Eleven to 

Twenty

More than 

Twenty

Currently 

Unoccupied

RSEs for Table B14. Number of Establishments in Building, Number of Buildings, 

1999

Number of Establishments in Building

RSEs for Number of Buildings

All Buildings

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 10.3 10.6 20.2 58.7 28.4 31.9 99.7

Heat Pumps ................................................. 10.4 11.2 24.9 36.8 19.6 21.4 100.1

Individual Air Conditioners ........................... 8.0 8.7 19.7 53.0 55.5 41.4 68.1

District Chilled Water ................................... 27.2 29.8 36.9 42.7 40.7 49.4 0.0

Central Chillers ............................................ 14.5 17.1 16.0 20.3 18.7 49.1 58.2

Packaged Air Conditioning

 Units ........................................................... 4.7 5.7 10.6 15.6 14.2 19.1 40.7

Swamp Coolers ........................................... 17.0 17.9 29.7 36.2 40.6 53.2 0.0

Other ............................................................ 29.6 33.2 33.1 55.4 38.7 58.6 0.0

Lighting Equipment Types

(more than one may apply)

Incandescent ............................................... 4.9 6.0 11.0 19.1 23.8 32.4 83.4

Standard Fluorescent .................................. 4.1 5.0 9.3 15.9 16.7 27.6 68.4

Compact Fluorescent .................................. 9.0 11.4 19.4 8.6 17.0 13.5 70.9

High Intensity Discharge .............................. 10.9 12.7 22.5 35.2 22.0 56.2 0.0

Halogen ....................................................... 9.1 10.9 17.8 20.1 16.1 17.7 58.7

Other ............................................................ 32.3 33.1 57.7 100.0 75.1 36.2 0.0

Personal Computers

None ............................................................ 7.0 7.8 22.1 52.3 68.7 72.4 16.9

1 to 4 ............................................................ 7.2 7.7 13.9 27.5 64.8 64.0 49.1

5 to 9 ............................................................ 8.1 10.1 16.4 22.6 37.7 43.9 87.5

10 to 19 ........................................................ 11.6 16.7 21.6 33.3 27.3 41.9 70.8

20 to 49 ........................................................ 11.1 13.2 26.5 18.1 19.8 55.5 0.0

50 to 99 ........................................................ 11.0 11.8 32.3 18.9 30.4 21.5 100.8

100 to 249 .................................................... 8.8 11.3 19.1 24.5 21.8 24.3 0.0

250 or More ................................................. 8.5 11.5 25.4 22.3 19.6 13.5 0.0

Photocopiers

None ............................................................ 5.4 5.5 14.4 27.7 48.1 59.2 16.6

One .............................................................. 6.8 6.9 17.8 29.7 38.2 42.4 70.6

2 to 4 ............................................................ 7.9 9.8 14.2 16.2 26.8 46.2 71.1

5 to 9 ............................................................ 17.7 17.7 34.6 16.7 29.2 35.9 0.0

10 or More ................................................... 12.0 9.5 20.2 37.3 17.8 16.0 0.0

Other Electronic Equipment

(more than one may apply)

Laser Printers .............................................. 5.1 6.2 12.4 19.8 18.3 16.2 67.3

FAX Machines ............................................. 5.1 5.9 9.9 18.1 17.0 15.4 61.8

Medical Diagnostic Equipment .................... 19.8 24.1 43.2 37.8 32.7 45.6 0.0

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 296
One

Two to

Five

Six to

Ten

Eleven to 

Twenty

More than 

Twenty

Currently 

Unoccupied

All Buildings ............................................... 3.5 3.5 6.5 10.1 12.1 10.2 13.5

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.1 7.2 16.5 61.8 78.1 74.7 19.4

5,001 to 10,000 ............................................ 7.1 8.9 15.3 41.3 71.2 99.1 29.7

10,001 to 25,000 .......................................... 6.8 8.1 17.4 18.9 52.9 66.4 41.3

25,001 to 50,000 .......................................... 6.8 6.8 11.8 21.3 22.0 49.4 26.9

50,001 to 100,000 ........................................ 10.2 10.5 16.7 19.6 19.5 26.0 38.8

100,001 to 200,000 ...................................... 6.4 7.8 17.4 23.0 19.0 19.9 45.2

200,001 to 500,000 ...................................... 6.6 7.7 19.4 26.4 21.1 16.6 36.7

Over 500,000 ............................................... 11.1 12.1 26.6 35.6 48.2 14.2 71.4

Principal Building Activity

Education .................................................... 6.2 6.4 20.4 55.5 100.2 108.8 0.0

Food Sales .................................................. 16.0 18.4 30.1 0.0 0.0 97.9 0.0

Food Service ............................................... 9.7 10.3 37.2 91.2 0.0 0.0 0.0

Health Care ................................................. 7.6 10.1 20.1 34.9 27.1 38.9 0.0

 Inpatient ..................................................... 9.9 11.1 25.0 80.0 36.3 62.0 0.0

 Outpatient .................................................. 10.3 18.5 32.5 38.9 30.3 42.5 0.0

Lodging ........................................................ 11.0 10.7 30.8 55.4 0.0 72.5 0.0

Mercantile .................................................... 8.8 11.7 14.8 14.9 16.9 16.9 100.2

 Retail (Other Than Mall) ............................ 10.7 11.8 18.5 74.0 70.4 61.2 100.2

 Enclosed and Strip Malls ........................... 10.3 52.8 24.9 18.0 17.3 17.0 0.0

Office ........................................................... 6.9 9.5 12.8 14.3 17.5 10.5 0.0

Public Assembly .......................................... 10.8 12.4 25.6 33.7 66.3 49.3 81.2

Public Order and Safety .............................. 22.2 25.6 49.4 61.6 72.8 0.0 0.0

Religious Worship ....................................... 12.0 14.0 37.2 70.9 0.0 0.0 0.0

Service ........................................................ 11.8 13.0 22.3 100.7 100.0 0.0 99.6

Warehouse and Storage ............................. 9.4 8.8 17.8 31.7 53.8 52.5 37.1

Other ............................................................ 13.6 17.4 38.2 59.5 74.9 92.9 0.0

Vacant ......................................................... 12.2 29.2 43.2 72.0 100.1 0.0 12.8

Year Constructed

1919 or Before ............................................. 7.2 8.8 19.9 36.0 34.0 38.8 29.0

1920 to 1945 ................................................ 9.0 9.0 22.6 31.0 41.8 26.2 26.9

1946 to 1959 ................................................ 7.7 8.9 15.2 37.8 29.6 42.6 24.1

1960 to 1969 ................................................ 6.2 7.8 15.8 17.0 23.5 22.6 28.9

1970 to 1979 ................................................ 5.8 6.4 14.8 17.4 26.7 17.5 39.7

1980 to 1989 ................................................ 6.1 6.2 14.4 17.9 15.6 15.0 46.4

1990 to 1999 ................................................ 6.3 7.0 14.0 18.3 21.4 24.3 51.7

Floors

One .............................................................. 4.9 4.7 9.1 15.8 21.2 17.4 20.7

Two .............................................................. 6.1 7.6 11.0 23.0 28.3 19.7 22.7

Three ........................................................... 7.4 7.7 16.6 27.2 32.9 41.3 35.9

Four to Nine ................................................. 5.7 6.2 14.5 23.8 20.4 22.4 35.3

Ten or More ................................................. 10.7 15.9 30.2 27.5 23.7 14.6 71.3

Census Region

Northeast ..................................................... 7.7 8.0 16.1 23.4 27.5 21.8 36.1

Midwest ....................................................... 5.0 5.9 11.6 19.5 16.8 16.0 19.7

South ........................................................... 5.3 5.1 10.8 16.4 15.6 14.1 28.5

West ............................................................ 6.0 7.7 15.8 17.4 26.4 19.7 14.7

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ................................ 10.5 13.6 13.5 35.8 25.9 26.9 39.8

 5,500-7,000 HDD ...................................... 7.1 7.4 11.8 22.6 22.4 19.9 26.0

 4,000-5,499 HDD ...................................... 9.1 10.1 17.3 20.0 16.9 14.1 29.4

 Fewer than 4,000 HDD .............................. 8.9 8.7 14.9 16.8 25.5 21.6 36.5

2,000 CDD or More and --

 Fewer than 4,000 HDD .............................. 9.4 10.2 14.3 27.9 20.8 18.3 33.4

RSEs for Table B15. Number of Establishments in Building, Floorspace, 1999

RSEs for Total Floorspace

All Buildings

Number of Establishments in Building

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 297
One

Two to

Five

Six to

Ten

Eleven to 

Twenty

More than 

Twenty

Currently 

Unoccupied

RSEs for Table B15. Number of Establishments in Building, Floorspace, 1999

RSEs for Total Floorspace

All Buildings

Number of Establishments in Building

Workers (main shift)

Fewer than 5 ................................................ 6.3 6.4 21.2 26.1 59.3 77.3 13.5

5 to 9 ............................................................ 7.6 7.5 17.0 65.1 61.9 83.8 0.0

10 to 19 ........................................................ 6.7 8.7 11.3 41.2 47.6 15.2 0.0

20 to 49 ........................................................ 6.6 6.3 11.3 13.5 25.0 71.8 0.0

50 to 99 ........................................................ 8.9 8.5 16.6 18.4 23.3 26.1 0.0

100 to 249 .................................................... 7.2 7.8 16.4 20.9 19.3 23.2 0.0

250 or More ................................................. 6.3 8.3 17.9 18.8 13.7 12.4 0.0

Ownership and Occupancy

Nongovernment Owned .............................. 4.2 4.4 7.2 10.2 12.8 10.2 14.6

 Owner Occupied ........................................ 4.5 4.9 9.2 17.6 17.7 11.6 0.0

 Nonowner Occupied .................................. 6.4 7.2 9.1 13.5 16.5 19.0 0.0

 Unoccupied ............................................... 14.6 0.0 0.0 0.0 0.0 0.0 14.6

Government Owned .................................... 4.6 5.3 14.7 27.8 33.2 45.8 39.2

Vacancy Status

Completely Vacant ...................................... 14.5 0.0 0.0 0.0 0.0 0.0 14.5

Mostly Vacant .............................................. 20.0 29.2 43.2 72.0 100.1 0.0 25.4

Partially Vacant ............................................ 6.2 7.6 10.4 13.8 15.9 12.1 32.5

Not At All Vacant ......................................... 3.4 3.6 7.4 13.8 14.8 16.8 0.0

Multibuilding Facility Activity

Not Part of a Multibuilding

 Facility ........................................................ 4.0 4.0 7.8 13.4 14.7 11.2 15.5

College or University ................................... 12.4 14.4 28.3 49.9 100.1 61.8 100.1

Primary or Secondary School ...................... 13.1 13.2 59.1 0.0 0.0 102.1 100.7

Office Complex ............................................ 11.1 17.8 19.7 22.1 40.2 23.9 72.7

Retail Complex ............................................ 13.6 22.1 25.1 20.0 22.9 23.9 86.4

Religious Campus or Complex .................... 13.4 15.0 60.5 0.0 100.0 0.0 0.0

Health Care Complex .................................. 11.3 11.0 28.5 39.0 30.9 41.5 54.5

Government Complex ................................. 21.2 24.7 43.0 57.6 77.3 0.0 0.0

Other ............................................................ 9.6 8.9 22.3 30.2 37.8 39.1 30.5

Energy Sources (more than

one may apply)

Electricity ..................................................... 3.5 3.5 6.4 10.1 12.1 10.2 22.5

Natural Gas ................................................. 3.9 4.1 6.3 12.1 12.5 12.4 29.1

Fuel Oil ........................................................ 6.9 7.7 11.8 18.4 27.3 16.5 75.5

District Heat ................................................. 9.9 11.0 19.2 30.2 30.6 23.8 0.0

District Chilled Water ................................... 12.1 12.7 21.6 39.3 36.9 42.2 0.0

Propane ....................................................... 10.9 10.8 24.6 30.3 36.4 50.4 100.2

Other ............................................................ 14.0 15.5 35.0 48.8 38.0 55.6 100.2

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 3.5 3.5 6.5 10.4 11.9 10.1 22.7

Buildings with Cooling ................................. 3.8 3.9 6.7 10.3 12.3 10.3 35.9

Buildings with Water Heating ...................... 3.7 3.9 6.5 11.1 10.9 10.4 35.2

Buildings with Cooking ................................ 4.4 4.5 10.1 15.5 13.8 12.6 71.0

Buildings with Manufacturing ....................... 12.7 15.0 21.4 51.4 65.9 73.1 0.0

Buildings with Electricity

 Generation .................................................. 7.4 7.5 15.2 15.4 28.3 15.8 81.3

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 6.3 6.8 16.1 20.4 17.6 20.8 100.1

Furnaces ...................................................... 5.5 6.7 11.1 16.2 31.5 26.4 35.0

Individual Space Heaters ............................ 5.0 6.1 11.2 16.9 27.2 18.2 47.1

District Heat ................................................. 9.9 11.4 19.2 30.2 32.3 23.8 0.0

Boilers ......................................................... 5.6 5.7 10.3 20.8 26.1 17.5 38.8

Packaged Heating Units .............................. 4.8 5.3 9.3 13.9 14.6 13.5 42.4

Other ............................................................ 7.9 11.2 21.7 42.4 20.4 22.6 38.2

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 298
One

Two to

Five

Six to

Ten

Eleven to 

Twenty

More than 

Twenty

Currently 

Unoccupied

RSEs for Table B15. Number of Establishments in Building, Floorspace, 1999

RSEs for Total Floorspace

All Buildings

Number of Establishments in Building

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 6.8 8.6 14.8 26.4 26.3 31.6 99.7

Heat Pumps ................................................. 6.5 7.2 15.0 18.6 16.2 20.9 100.1

Individual Air Conditioners ........................... 5.9 5.5 14.3 30.3 37.0 30.5 60.1

District Chilled Water ................................... 12.1 12.7 21.6 39.3 36.9 42.2 0.0

Central Chillers ............................................ 6.0 6.1 16.0 20.3 18.2 14.1 51.5

Packaged Air Conditioning

 Units ........................................................... 4.0 4.3 7.8 11.2 13.0 11.3 43.1

Swamp Coolers ........................................... 17.5 21.7 27.3 40.5 40.2 43.9 0.0

Other ............................................................ 16.3 19.1 30.9 57.0 55.3 51.5 0.0

Lighting Equipment Types

(more than one may apply)

Incandescent ............................................... 4.2 4.5 7.5 14.0 15.8 12.6 57.7

Standard Fluorescent .................................. 3.5 3.5 6.6 10.3 12.3 10.3 36.5

Compact Fluorescent .................................. 5.7 6.8 11.9 12.5 14.5 12.7 70.7

High Intensity Discharge .............................. 5.4 5.9 10.0 19.0 18.9 15.8 0.0

Halogen ....................................................... 4.4 5.8 11.4 12.3 14.0 14.2 31.8

Other ............................................................ 14.6 18.1 29.5 100.0 69.6 34.6 0.0

Personal Computers

None ............................................................ 6.3 7.5 23.0 30.0 56.4 68.7 11.9

1 to 4 ............................................................ 6.4 6.7 13.8 15.9 50.5 70.9 48.3

5 to 9 ............................................................ 7.9 9.1 13.4 25.0 41.4 33.3 58.7

10 to 19 ........................................................ 8.4 11.2 12.7 18.8 28.1 40.0 75.0

20 to 49 ........................................................ 7.4 9.5 13.3 21.0 21.3 34.2 0.0

50 to 99 ........................................................ 7.1 8.0 20.6 22.2 24.5 23.4 100.8

100 to 249 .................................................... 7.7 9.3 21.0 27.3 32.5 20.4 0.0

250 or More ................................................. 6.2 7.9 15.9 21.0 15.8 12.7 0.0

Photocopiers

None ............................................................ 5.2 4.9 11.8 21.9 33.1 30.2 14.0

One .............................................................. 6.4 6.6 16.5 21.4 33.0 40.1 44.7

2 to 4 ............................................................ 5.5 5.8 9.7 18.8 26.7 31.0 72.1

5 to 9 ............................................................ 7.6 10.7 17.5 15.9 27.5 37.8 0.0

10 or More ................................................... 6.3 7.4 14.9 18.9 15.6 11.5 0.0

Other Electronic Equipment

(more than one may apply)

Laser Printers .............................................. 4.2 4.2 7.7 11.5 12.5 10.8 58.4

FAX Machines ............................................. 3.8 4.0 6.7 11.1 12.2 10.2 46.0

Medical Diagnostic Equipment .................... 7.9 9.8 20.6 34.9 27.1 38.9 0.0

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 299
All Buildings

With Central 

Physical Plant All Buildings

With Central 

Physical Plant

All Buildings ............................................... 4.2 6.4 13.5 3.5 4.5 7.4

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 11 32.1 6.1 10.5 31.2

5,001 to 10,000 ............................................ 6.7 12.3 43.5 7.1 12.3 45.2

10,001 to 25,000 .......................................... 7.1 8.4 14.5 6.8 7.8 16.8

25,001 to 50,000 .......................................... 6.9 9.2 16.7 6.8 9.4 15.6

50,001 to 100,000 ........................................ 10.3 10.8 12 10.2 10.6 12.8

100,001 to 200,000 ...................................... 6.3 8.8 17 6.4 9.1 17.6

200,001 to 500,000 ...................................... 6.5 12.3 16.8 6.6 12.4 17.2

Over 500,000 ............................................... 10.7 15.1 15.2 11.1 13.8 16.4

Principal Building Activity

Education .................................................... 12.3 14.7 18.5 6.2 9.2 13.1

Food Sales .................................................. 17.2 49.4 100.3 16 32.4 100.3

Food Service ............................................... 9.3 28.6 68.8 9.7 27.2 60.6

Health Care ................................................. 17.6 15.9 36.8 7.6 10.3 10.6

 Inpatient ..................................................... 25.6 17.2 22.5 9.9 12.3 12.9

 Outpatient .................................................. 19.1 19.2 61 10.3 19.7 29.6

Lodging ........................................................ 11.4 13.9 30.4 11 14.4 20.9

Mercantile .................................................... 9.1 19.9 78.6 8.8 15.2 59.3

 Retail (Other Than Mall) ............................ 10.8 30.5 99.6 10.7 26 77.9

 Enclosed and Strip Malls ........................... 17.7 24.9 69.7 10.3 16.4 69.1

Office ........................................................... 8.3 14.7 28.8 6.9 10.2 19.2

Public Assembly .......................................... 13.5 19 42.4 10.8 14.2 26.3

Public Order and Safety .............................. 28.1 46.4 39.1 22.2 35.5 45

Religious Worship ....................................... 12.1 22 39.4 12 15.4 36.1

Service ........................................................ 12.8 29.9 85 11.8 23.4 60.9

Warehouse and Storage ............................. 12.4 15.3 80.3 9.4 13.5 47.3

Other ............................................................ 22 37 56.7 13.6 23.2 39

Vacant ......................................................... 14.5 35.6 51.2 12.2 24.2 45.7

Year Constructed

1919 or Before ............................................. 11.3 21.8 46.1 7.2 17 34.2

1920 to 1945 ................................................ 10.9 16.7 35.6 9 16.5 21.3

1946 to 1959 ................................................ 6.7 11.7 28 7.7 10.7 17.5

1960 to 1969 ................................................ 7.4 13 25.1 6.2 8.5 11.2

1970 to 1979 ................................................ 8.1 13.1 26.2 5.8 10.2 16.6

1980 to 1989 ................................................ 7.4 10.6 32.7 6.1 8.4 18.3

1990 to 1999 ................................................ 12.9 19.1 22.8 6.3 8.5 25.2

Census Region

Northeast ..................................................... 8 16.9 21.8 7.7 14.6 12.3

Midwest ....................................................... 9.7 13.4 35.3 5 5.9 14.8

South ........................................................... 5.6 8.4 24 5.3 7.7 14.8

West ............................................................ 10.8 14 23.4 6 7.4 13.8

Workers (main shift)

Fewer than 5 ................................................ 6 11 24.3 6.3 8.7 18.8

5 to 9 ............................................................ 7.9 14.3 36.9 7.6 13.8 25.9

10 to 19 ........................................................ 7.6 15.8 34.5 6.7 12.2 22.6

20 to 49 ........................................................ 9 12.5 22.2 6.6 9 16.6

50 to 99 ........................................................ 10.7 12.2 30.7 8.9 11.8 17.5

100 to 249 .................................................... 11.7 17.3 13.7 7.2 9.3 13.8

250 or More ................................................. 8.6 12.4 18.7 6.3 8.6 12.4

RSEs for Table B16. Multibuilding Facilities, Number of Buildings and Floorspace, 

1999

Buildings on Multibuilding 

Facilities

Buildings on Multibuilding 

Facilities

RSEs for Number of Buildings RSEs for Total Floorspace

All Buildings All Buildings

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 300
All Buildings

With Central 

Physical Plant All Buildings

With Central 

Physical Plant

RSEs for Table B16. Multibuilding Facilities, Number of Buildings and Floorspace, 

1999

Buildings on Multibuilding 

Facilities

Buildings on Multibuilding 

Facilities

RSEs for Number of Buildings RSEs for Total Floorspace

All Buildings All Buildings

Weekly Operating Hours

39 or Fewer ................................................. 10.3 17 58.4 9.8 14.8 30

40 to 48 ........................................................ 5.9 8.5 27.2 6.1 9.1 18.6

49 to 60 ........................................................ 8.2 14.9 34 6.1 11.5 20.8

61 to 84 ........................................................ 9.6 14.4 18.5 6.1 9 14.6

85 to 167 ...................................................... 7.7 18.5 17.7 7 9.9 16.7

Open Continuously ...................................... 10.4 11.9 20.8 5 7.2 11

Ownership and Occupancy

Nongovernment Owned .............................. 4.5 7.5 19.3 4.2 6 12.8

 Owner Occupied ........................................ 5.4 9.9 21.8 4.5 6.8 13.9

 Nonowner Occupied .................................. 5.8 12.4 45.5 6.4 9.7 29.2

 Unoccupied ............................................... 17.1 41.1 63.6 14.6 27.5 67.9

Government Owned .................................... 9 13.7 18.9 4.6 7.8 9.3

Vacancy Status

Completely Vacant ...................................... 20.7 53.8 66.6 14.5 33.9 64.2

Mostly Vacant .............................................. 22.9 38.6 74 20 36.1 61.2

Partially Vacant ............................................ 7.3 11.2 24.5 6.2 9 17.9

Not At All Vacant ......................................... 4.4 8 14.9 3.4 4.6 8.9

Multibuilding Facility Activity

Not Part of a Multibuilding

 Facility ........................................................ 4.6 00400

College or University ................................... 19.4 19.4 25.3 12.4 12.4 16.4

Primary or Secondary School ...................... 17.7 17.7 26.3 13.1 13.1 25.1

Office Complex ............................................ 18.9 18.9 41.4 11.1 11.1 27

Retail Complex ............................................ 17 17 77.4 13.6 13.6 52.6

Religious Campus or Complex .................... 19.4 19.4 36.2 13.4 13.4 38.6

Health Care Complex .................................. 24.3 24.3 42.7 11.3 11.3 11.9

Government Complex ................................. 26.6 26.6 46.4 21.2 21.2 35.2

Other ............................................................ 10.6 10.6 31.8 9.6 9.6 23.2

Central Plant that Produces

District Hot Water ........................................ 19.1 19.1 19.1 10.5 10.5 10.5

District Steam .............................................. 19.5 19.5 19.5 11.9 11.9 11.9

District Chilled Water ................................... 18 18 18 9.8 9.8 9.8

Electricity ..................................................... 22.9 22.9 22.9 17.5 17.5 17.5

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 5.9 13.6 3.5 4.6 7.4

Natural Gas ................................................. 4.8 8.4 19.1 3.9 5.4 10.2

Fuel Oil ........................................................ 16.7 27.4 25 6.9 10 13.7

District Heat ................................................. 15.5 15.9 16.4 9.9 10.7 11.6

District Chilled Water ................................... 27.2 29.4 24.4 12.1 12.8 13

Propane ....................................................... 15 22.4 32.3 10.9 16.3 36.5

Other ............................................................ 18.8 36.5 30.7 14 21 37.3

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 6.4 13.9 3.5 4.7 7.5

Buildings with Cooling ................................. 3.9 6.3 14.7 3.8 5.2 7.7

Buildings with Water Heating ...................... 4.4 6.4 13.4 3.7 4.9 7.1

Buildings with Cooking ................................ 5.8 11.9 24.7 4.4 7.1 10.1

Buildings with Manufacturing ....................... 16.7 37 43.7 12.7 20.2 43.4

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 301
Electricity

Natural 

Gas Fuel Oil

District 

Heat

District 

Chilled 

Water Propane Other

All Buildings ............................................... 4.2 4.0 4.1 4.8 16.7 15.5 27.2 15.0 18.8

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 6.6 6.6 8.6 25.2 39.9 75.7 19.6 25.4

5,001 to 10,000 ............................................ 6.7 7.0 7.0 10.1 28.6 44.2 82.1 23.2 47.3

10,001 to 25,000 .......................................... 7.1 7.0 7.1 7.6 19.6 30.8 21.3 27.1 38.6

25,001 to 50,000 .......................................... 6.9 6.9 6.9 7.0 19.5 21.8 28.4 24.5 37.3

50,001 to 100,000 ........................................ 10.3 10.3 10.3 10.6 15.0 13.4 14.5 25.0 20.2

100,001 to 200,000 ...................................... 6.3 6.4 6.4 8.1 10.2 13.4 15.2 19.0 31.2

200,001 to 500,000 ...................................... 6.5 6.4 6.4 6.5 9.1 14.6 21.9 19.5 40.7

Over 500,000 ............................................... 10.7 10.7 10.7 11.4 17.8 19.3 28.3 34.4 42.3

Principal Building Activity

Education .................................................... 12.3 12.3 12.3 14.8 13.6 24.3 51.7 28.0 47.3

Food Sales .................................................. 17.2 17.2 17.2 23.5 54.2 100.3 0.0 63.2 40.4

Food Service ............................................... 9.3 9.3 9.3 10.2 53.5 50.8 100.0 27.6 41.0

Health Care ................................................. 17.6 17.6 17.6 22.9 31.6 25.6 18.4 42.3 98.0

 Inpatient ..................................................... 25.6 25.6 25.6 29.0 35.6 33.2 25.4 28.5 41.4

 Outpatient .................................................. 19.1 19.1 19.1 26.0 61.3 39.1 33.3 66.5 100.1

Lodging ........................................................ 11.4 11.4 11.4 15.2 22.6 31.4 57.1 34.4 68.3

Mercantile .................................................... 9.1 9.1 9.1 10.7 34.3 72.6 97.3 39.8 39.7

 Retail (Other Than Mall) ............................ 10.8 10.8 10.8 12.6 37.8 72.6 100.0 46.3 41.7

 Enclosed and Strip Malls ........................... 17.7 17.7 17.7 20.1 56.3 0.0 100.1 25.9 47.0

Office ........................................................... 8.3 8.3 8.3 10.4 22.7 34.6 20.6 43.0 28.4

Public Assembly .......................................... 13.5 13.7 13.7 16.0 41.1 46.9 65.9 32.6 65.9

Public Order and Safety .............................. 28.1 28.2 28.2 29.4 49.5 40.1 48.6 52.5 55.5

Religious Worship ....................................... 12.1 12.1 12.1 14.3 45.3 58.8 70.4 33.4 68.5

Service ........................................................ 12.8 13.0 13.0 14.6 33.1 43.6 100.0 32.3 44.5

Warehouse and Storage ............................. 12.4 12.6 12.6 18.5 33.9 62.1 102.9 37.9 75.6

Other ............................................................ 22.0 22.5 22.5 36.1 73.7 46.0 57.4 58.3 95.3

Vacant ......................................................... 14.5 20.7 21.0 27.1 91.4 91.6 0.0 88.2 85.8

Year Constructed

1919 or Before ............................................. 11.3 11.4 11.4 13.3 33.5 48.0 78.1 43.3 55.5

1920 to 1945 ................................................ 10.9 10.8 10.8 13.4 33.6 39.8 38.6 32.4 57.4

1946 to 1959 ................................................ 6.7 6.4 6.2 8.4 17.9 33.8 29.6 28.0 33.9

1960 to 1969 ................................................ 7.4 7.2 7.2 7.6 29.2 13.6 14.6 29.4 40.4

1970 to 1979 ................................................ 8.1 8.2 8.2 10.5 26.5 55.7 69.2 25.8 43.5

1980 to 1989 ................................................ 7.4 7.6 7.6 9.1 33.7 40.6 50.8 22.4 38.6

1990 to 1999 ................................................ 12.9 13.2 13.2 11.9 38.8 43.2 34.2 34.2 58.1

Census Region

Northeast ..................................................... 8.0 7.6 7.6 11.9 22.0 32.5 30.4 17.3 25.0

Midwest ....................................................... 9.7 10.0 10.0 11.4 29.9 35.3 49.8 29.5 31.6

South ........................................................... 5.6 5.6 5.6 7.7 32.2 27.9 52.5 29.2 29.3

West ............................................................ 10.8 10.3 10.4 9.5 48.0 25.1 33.1 44.3 54.0

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ................................ 19.0 17.7 17.7 21.6 27.7 23.8 49.3 21.5 45.6

 5,500-7,000 HDD ...................................... 7.0 6.8 6.8 7.7 30.7 22.2 32.8 34.7 37.2

 4,000-5,499 HDD ...................................... 16.8 16.5 16.5 17.1 28.2 29.7 52.6 37.6 40.0

 Fewer than 4,000 HDD .............................. 10.9 10.4 10.2 12.1 36.8 38.7 18.7 41.7 43.9

2,000 CDD or More and --

 Fewer than 4,000 HDD .............................. 11.1 10.9 10.9 14.6 40.0 31.2 49.8 27.5 40.6

RSEs for Table B17. Energy Sources, Number of Buildings, 1999

Energy Sources Used (more than one may apply)

RSEs for Number of Buildings

All 

Buildings 

Using Any 

Energy 

Source

All

Buildings

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 302
Electricity

Natural 

Gas Fuel Oil

District 

Heat

District 

Chilled 

Water Propane Other

RSEs for Table B17. Energy Sources, Number of Buildings, 1999

Energy Sources Used (more than one may apply)

RSEs for Number of Buildings

All 

Buildings 

Using Any 

Energy 

Source

All

Buildings

Workers (main shift)

Fewer than 5 ................................................ 6.0 5.9 5.9 8.0 25.3 31.1 68.2 19.5 25.6

5 to 9 ............................................................ 7.9 8.1 8.1 8.5 31.2 38.5 49.6 28.1 59.7

10 to 19 ........................................................ 7.6 7.6 7.6 9.8 35.5 36.6 32.6 32.0 41.2

20 to 49 ........................................................ 9.0 9.0 9.0 11.3 17.1 27.5 32.3 26.8 49.6

50 to 99 ........................................................ 10.7 10.7 10.7 11.3 20.0 38.9 43.6 20.4 28.8

100 to 249 .................................................... 11.7 11.7 11.7 14.4 13.5 16.4 24.3 19.4 62.0

250 or More ................................................. 8.6 8.6 8.6 9.8 10.5 18.8 23.2 29.2 27.8

Weekly Operating Hours

39 or Fewer ................................................. 10.3 11.7 12.0 16.6 33.2 47.4 75.6 27.0 50.5

40 to 48 ........................................................ 5.9 5.9 5.9 7.4 26.7 30.0 73.6 27.2 37.3

49 to 60 ........................................................ 8.2 8.2 8.2 8.3 21.5 38.6 48.0 26.5 31.3

61 to 84 ........................................................ 9.6 9.6 9.6 12.9 31.6 36.5 21.0 29.8 33.2

85 to 167 ...................................................... 7.7 7.7 7.7 10.5 34.6 37.2 21.5 28.2 54.6

Open Continuously ...................................... 10.4 10.2 10.2 12.6 23.1 24.0 38.9 24.5 56.0

Ownership and Occupancy

Nongovernment Owned .............................. 4.5 4.4 4.4 5.3 18.6 20.0 24.5 15.5 19.8

 Owner Occupied ........................................ 5.4 5.4 5.4 6.6 20.2 20.8 20.2 15.8 22.1

 Nonowner Occupied .................................. 5.8 6.1 6.1 7.6 25.6 50.4 54.9 25.4 35.2

 Unoccupied ............................................... 17.1 32.7 34.5 35.1 72.6 0.0 0.0 100.2 100.2

Government Owned .................................... 9.0 9.4 9.4 11.5 14.5 25.3 47.7 31.2 39.4

Vacancy Status

Completely Vacant ...................................... 20.7 34.8 36.0 45.8 0.0 0.0 0.0 100.2 0.0

Mostly Vacant .............................................. 22.9 24.7 24.7 32.2 91.4 91.6 0.0 77.5 85.8

Partially Vacant ............................................ 7.3 7.4 7.4 10.4 31.4 52.8 73.6 21.9 58.8

Not At All Vacant ......................................... 4.4 4.3 4.3 4.7 16.7 15.9 23.6 15.1 18.7

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 4.1 4.1 4.8 16.7 15.5 27.2 15.0 18.8

Natural Gas ................................................. 4.8 4.8 4.8 4.8 17.7 24.4 33.0 23.1 19.2

Fuel Oil ........................................................ 16.7 16.7 16.7 17.7 16.7 19.2 22.6 20.7 41.3

District Heat ................................................. 15.5 15.5 15.5 24.4 19.2 15.5 31.5 64.0 41.1

District Chilled Water ................................... 27.2 27.2 27.2 33.0 22.6 31.5 27.2 52.2 49.9

Propane ....................................................... 15.0 15.0 15.0 23.1 20.7 64.0 52.2 15.0 40.7

Other ............................................................ 18.8 18.8 18.8 19.2 41.3 41.1 49.9 40.7 18.8

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 4.2 4.2 5.0 16.8 15.7 27.4 15.0 19.0

Buildings with Cooling ................................. 3.9 3.9 3.9 4.9 18.9 16.6 27.2 15.5 22.2

Buildings with Water Heating ...................... 4.4 4.4 4.4 5.0 16.0 16.4 21.9 15.0 25.2

Buildings with Cooking ................................ 5.8 5.8 5.8 7.4 18.5 29.9 21.3 16.1 27.1

Buildings with Manufacturing ....................... 16.7 16.7 16.7 22.2 36.6 50.8 100.2 52.2 48.0

Buildings with Electricity

 Generation .................................................. 14.2 14.2 14.2 15.7 18.0 37.6 18.3 38.2 32.2

Energy-Related Space Functions

(more than one may apply)

Commercial Food Preparation .................... 5.8 5.8 5.8 6.9 21.1 32.1 21.6 18.6 27.1

Activities with Large

 Amounts of Hot Water ................................ 6.3 6.3 6.3 8.1 20.0 23.8 40.1 18.9 35.5

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 303
Electricity

Natural 

Gas Fuel Oil

District 

Heat

District 

Chilled 

Water Propane Other

1

All Buildings ............................................... 3.5 3.5 3.5 3.9 6.9 9.9 12.1 10.9 14.0

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.1 6.1 6.1 8.3 26.3 43.8 75.6 22.2 26.6

5,001 to 10,000 ............................................ 7.1 7.4 7.4 10.4 30.4 45.7 84.9 23.6 45.0

10,001 to 25,000 .......................................... 6.8 6.8 6.8 7.1 18.9 28.3 21.4 26.5 36.3

25,001 to 50,000 .......................................... 6.8 6.8 6.8 7.2 18.9 20.4 29.9 23.2 31.0

50,001 to 100,000 ........................................ 10.2 10.2 10.2 10.5 15.4 13.2 14.5 25.3 20.6

100,001 to 200,000 ...................................... 6.4 6.4 6.4 8.3 9.8 13.1 15.8 18.9 32.3

200,001 to 500,000 ...................................... 6.6 6.5 6.5 6.9 9.7 15.1 19.9 19.7 35.7

Over 500,000 ............................................... 11.1 11.1 11.1 12.0 17.9 19.4 26.3 32.5 39.0

Principal Building Activity

Education .................................................... 6.2 6.2 6.2 8.3 13.8 16.6 15.4 22.9 33.1

Food Sales .................................................. 16.0 16.0 16.0 17.2 57.3 100.3 0.0 67.6 52.9

Food Service ............................................... 9.7 9.7 9.7 11.0 45.2 53.6 100.0 26.5 33.1

Health Care ................................................. 7.6 7.6 7.6 9.2 9.9 19.3 15.6 25.0 40.1

 Inpatient ..................................................... 9.9 9.9 9.9 11.0 10.4 21.9 19.0 27.0 39.7

 Outpatient .................................................. 10.3 10.3 10.3 15.7 28.0 33.8 33.9 62.4 100.1

Lodging ........................................................ 11.0 11.0 11.0 12.4 24.3 22.3 34.7 24.5 39.5

Mercantile .................................................... 8.8 8.8 8.8 9.6 21.9 72.2 28.0 29.7

 Retail (Other Than Mall) ............................ 10.7 10.7 10.7 12.6 35.0 72.0 100.0 31.4 41.2

 Enclosed and Strip Malls ........................... 10.3 10.3 10.3 11.5 27.6 0.0 100.2 34.0 37.0

Office ........................................................... 6.9 6.9 6.9 8.3 10.3 15.3 20.8 31.8 23.3

Public Assembly .......................................... 10.8 10.8 10.8 12.5 23.3 22.7 27.0 22.8 46.4

Public Order and Safety .............................. 22.2 21.0 21.0 20.7 30.8 36.7 48.9 57.5 47.2

Religious Worship ....................................... 12.0 12.0 12.0 12.5 43.4 54.2 75.0 38.1 64.8

Service ........................................................ 11.8 12.0 12.0 13.7 26.0 71.4 100.0 37.7 48.2

Warehouse and Storage ............................. 9.4 9.6 9.6 10.6 16.3 54.2 102.9 17.5 55.3

Other ............................................................ 13.6 13.6 13.6 21.9 30.5 42.2 54.1 50.5 85.1

Vacant ......................................................... 12.2 16.8 17.0 19.4 64.3 72.3 0.0 58.0 63.4

Year Constructed

1919 or Before ............................................. 7.2 6.9 6.8 9.5 19.4 32.0 43.7 29.8 26.1

1920 to 1945 ................................................ 9.0 9.1 9.1 9.2 17.4 32.0 23.0 30.6 40.9

1946 to 1959 ................................................ 7.7 7.7 7.7 8.5 16.2 21.6 34.4 23.6 23.8

1960 to 1969 ................................................ 6.2 6.3 6.3 7.7 13.3 11.1 17.1 21.7 35.4

1970 to 1979 ................................................ 5.8 5.9 5.9 6.9 16.5 18.8 17.7 22.6 33.3

1980 to 1989 ................................................ 6.1 6.2 6.2 7.6 10.3 18.9 24.6 18.2 28.7

1990 to 1999 ................................................ 6.3 6.3 6.3 6.6 10.9 19.4 20.5 21.7 31.0

Census Region

Northeast ..................................................... 7.7 7.6 7.6 6.8 10.9 16.6 25.2 14.8 31.4

Midwest ....................................................... 5.0 5.3 5.3 6.1 11.1 18.9 26.1 23.2 32.5

South ........................................................... 5.3 5.3 5.3 7.0 11.4 21.1 20.1 23.6 16.8

West ............................................................ 6.0 6.0 6.1 7.9 13.5 21.2 18.2 31.3 25.5

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ................................ 10.5 10.1 10.1 10.7 13.2 26.5 49.2 24.7 49.8

 5,500-7,000 HDD ...................................... 7.1 7.0 7.0 7.1 14.4 19.0 25.1 22.8 31.5

 4,000-5,499 HDD ...................................... 9.1 9.0 9.0 9.9 11.8 16.7 21.5 30.5 28.5

 Fewer than 4,000 HDD .............................. 8.9 8.9 8.9 9.7 15.7 25.8 26.1 29.4 25.4

2,000 CDD or More and --

 Fewer than 4,000 HDD .............................. 9.4 9.3 9.3 11.6 17.6 19.1 19.4 24.0 28.2

RSEs for Table B18. Energy Sources, Floorspace, 1999

RSEs for Total Floorspace

All Buildings

All 

Buildings 

Using Any 

Energy 

Source

Energy Sources Used (more than one may apply)

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 304
Electricity

Natural 

Gas Fuel Oil

District 

Heat

District 

Chilled 

Water Propane Other

1

RSEs for Table B18. Energy Sources, Floorspace, 1999

RSEs for Total Floorspace

All Buildings

All 

Buildings 

Using Any 

Energy 

Source

Energy Sources Used (more than one may apply)

Workers (main shift)

Fewer than 5 ................................................ 6.3 6.6 6.7 8.1 24.0 23.4 38.5 21.7 23.8

5 to 9 ............................................................ 7.6 7.9 7.9 7.9 22.9 27.4 49.9 31.7 61.9

10 to 19 ........................................................ 6.7 6.7 6.7 7.9 27.5 30.6 34.7 19.3 41.3

20 to 49 ........................................................ 6.6 6.6 6.6 7.5 13.3 22.7 29.6 18.7 23.4

50 to 99 ........................................................ 8.9 8.9 8.9 8.9 18.2 18.5 20.5 23.1 33.7

100 to 249 .................................................... 7.2 7.2 7.2 7.7 11.8 20.9 22.6 22.1 29.3

250 or More ................................................. 6.3 6.3 6.3 7.7 8.9 14.1 17.5 29.3 32.3

Weekly Operating Hours

39 or Fewer ................................................. 9.8 11.1 11.3 12.5 32.8 40.1 58.0 29.3 36.5

40 to 48 ........................................................ 6.1 6.2 6.2 6.3 16.1 22.7 28.9 29.0 21.1

49 to 60 ........................................................ 6.1 6.1 6.1 7.3 13.8 16.8 21.1 17.6 23.5

61 to 84 ........................................................ 6.1 6.1 6.1 7.7 15.5 19.0 17.9 15.7 24.4

85 to 167 ...................................................... 7.0 7.0 7.0 8.3 16.5 18.2 21.0 20.6 30.6

Open Continuously ...................................... 5.0 5.0 5.0 5.8 8.9 12.8 17.1 16.9 29.1

Ownership and Occupancy

Nongovernment Owned .............................. 4.2 4.2 4.2 4.4 8.6 12.9 16.9 11.6 15.8

 Owner Occupied ........................................ 4.5 4.6 4.6 4.7 9.9 13.9 17.8 12.3 19.1

 Nonowner Occupied .................................. 6.4 6.5 6.5 7.4 17.0 24.2 34.0 19.9 21.6

 Unoccupied ............................................... 14.6 24.0 24.8 32.5 79.6 0.0 0.0 100.2 100.2

Government Owned .................................... 4.6 4.7 4.8 6.1 9.5 14.6 18.6 17.4 27.4

Vacancy Status

Completely Vacant ...................................... 14.5 25.4 26.3 32.5 0.0 0.0 0.0 100.2 0.0

Mostly Vacant .............................................. 20.0 21.9 21.7 23.6 64.3 72.3 0.0 70.1 63.4

Partially Vacant ............................................ 6.2 6.3 6.3 7.3 14.5 16.3 25.4 15.9 34.5

Not At All Vacant ......................................... 3.4 3.5 3.5 3.6 7.1 10.4 12.7 11.8 15.4

Energy Sources (more than

one may apply)

Electricity ..................................................... 3.5 3.5 3.5 3.9 6.9 9.9 12.1 10.9 14.0

Natural Gas ................................................. 3.9 3.9 3.9 3.9 6.6 13.7 14.6 13.2 16.7

Fuel Oil ........................................................ 6.9 6.9 6.9 6.6 6.9 16.7 17.4 12.3 26.7

District Heat ................................................. 9.9 9.9 9.9 13.7 16.7 9.9 14.4 34.9 31.1

District Chilled Water ................................... 12.1 12.1 12.1 14.6 17.4 14.4 12.1 38.9 43.2

Propane ....................................................... 10.9 10.9 10.9 13.2 12.3 34.9 38.9 10.9 34.7

Other ............................................................ 14.0 14.0 14.0 16.7 26.7 31.1 43.2 34.7 14.0

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 3.5 3.5 3.5 3.9 6.9 9.8 12.2 11.2 14.2

Buildings with Cooling ................................. 3.8 3.8 3.8 4.3 7.4 9.9 12.1 11.7 14.5

Buildings with Water Heating ...................... 3.7 3.7 3.7 3.9 6.9 10.2 12.5 10.4 13.9

Buildings with Cooking ................................ 4.4 4.4 4.4 4.8 7.7 15.5 20.0 13.7 18.2

Buildings with Manufacturing ....................... 12.7 12.7 12.7 15.1 23.5 58.7 100.2 22.1 46.6

Buildings with Electricity

 Generation .................................................. 7.4 7.4 7.4 7.2 8.7 15.4 16.3 17.3 19.0

Energy-Related Space Functions

(more than one may apply)

Commercial Food Preparation .................... 4.5 4.5 4.5 4.9 7.7 15.8 20.4 15.1 18.2

Activities with Large

 Amounts of Hot Water ................................ 4.0 4.0 4.0 4.9 7.0 12.1 17.3 12.8 19.5

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 305
Space 

Heating Cooling

Water 

Heating Cooking

ManufacturingSpace 

Heating Cooling

Water 

Heating Cooking

Manufacturing

All Buildings ........................................... 4.2 4.2 3.9 4.4 5.8 16.7 3.5 3.5 3.8 3.7 4.4 12.7

Building Floorspace

(Square Feet)

1,001 to 5,000 .......................................... 6.8 7.1 6.3 6.9 10.8 28.6 6.1 6.8 6.2 6.8 11.3 30.7

5,001 to 10,000 ........................................ 6.7 7.9 8.6 8.5 19.4 40.8 7.1 8.2 8.9 8.7 19.8 41.9

10,001 to 25,000 ...................................... 7.1 7.0 7.3 7.0 14.9 29.9 6.8 6.6 6.9 6.9 14.6 32.3

25,001 to 50,000 ...................................... 6.9 7.3 8.0 7.1 10.3 21.6 6.8 7.3 8.0 7.1 10.6 21.5

50,001 to 100,000 .................................... 10.3 10.3 10.4 10.6 10.8 28.6 10.2 10.2 10.2 10.5 10.4 27.9

100,001 to 200,000 .................................. 6.3 6.6 6.7 6.8 9.8 32.7 6.4 6.5 6.6 6.7 9.9 32.8

200,001 to 500,000 .................................. 6.5 6.2 6.4 6.3 7.6 28.4 6.6 6.5 6.8 6.5 8.0 26.6

Over 500,000 ........................................... 10.7 10.6 11.6 11.3 12.3 42.7 11.1 10.9 11.9 11.8 12.3 43.3

Principal Building Activity

Education ................................................. 12.3 12.4 10.9 10.7 11.5 55.3 6.2 6.3 6.3 6.7 7.4 55.1

Food Sales ............................................... 17.2 19.2 18.3 17.1 23.7 100.1 16.0 18.6 16.3 16.3 19.6 100.1

Food Service ............................................ 9.3 10.3 9.8 9.3 9.9 71.3 9.7 10.4 10.2 9.7 10.3 77.8

Health Care .............................................. 17.6 17.6 17.6 17.7 25.0 101.9 7.6 7.6 7.2 7.7 10.0 101.9

 Inpatient ................................................. 25.6 25.6 25.9 25.7 27.5 101.9 9.9 9.9 9.4 9.9 10.4 101.9

 Outpatient .............................................. 19.1 19.1 19.1 19.2 47.0 0.0 10.3 10.3 10.3 10.5 48.2 0.0

Lodging .................................................... 11.4 11.5 13.6 12.2 22.0 100.1 11.0 11.2 11.8 11.1 15.2 100.1

Mercantile ................................................ 9.1 9.2 9.7 10.4 15.9 47.3 8.8 8.8 8.9 8.6 10.8 41.2

 Retail (Other Than Mall) ........................ 10.8 11.0 11.7 12.1 37.5 47.6 10.7 11.1 11.2 11.6 19.3 41.5

 Enclosed and Strip Malls ....................... 17.7 18.1 17.9 18.2 21.1 100.8 10.3 9.7 10.4 10.1 12.2 100.8

Office ....................................................... 8.3 8.6 8.4 8.9 10.8 54.5 6.9 7.0 7.0 6.9 10.8 26.0

Public Assembly ...................................... 13.5 13.8 14.8 15.0 22.6 84.9 10.8 11.0 10.5 10.8 15.3 70.2

Public Order and Safety ........................... 28.1 29.3 22.7 35.2 49.0 73.0 22.2 21.2 18.6 23.3 27.7 71.2

Religious Worship .................................... 12.1 12.1 15.3 13.5 27.9 0.0 12.0 12.1 14.6 13.0 22.3 0.0

Service ..................................................... 12.8 14.1 15.4 16.3 77.3 25.5 11.8 13.6 14.7 13.6 55.2 36.5

Warehouse and Storage .......................... 12.4 13.0 14.3 16.6 67.0 25.0 9.4 9.2 10.9 10.5 42.4 17.6

Other ........................................................ 22.0 26.6 28.6 30.9 96.0 47.6 13.6 15.4 15.5 18.3 51.6 34.5

Vacant ...................................................... 14.5 24.5 28.8 30.6 42.7 70.4 12.2 18.9 23.2 24.1 44.2 74.8

Year Constructed

1919 or Before ......................................... 11.3 11.7 11.4 12.5 20.6 62.7 7.2 7.3 7.8 8.7 16.5 39.1

1920 to 1945 ............................................ 10.9 11.7 12.7 12.3 21.4 53.3 9.0 8.4 9.2 9.0 15.5 37.2

1946 to 1959 ............................................ 6.7 7.1 7.2 7.7 16.7 38.8 7.7 8.0 8.3 8.2 12.3 27.7

1960 to 1969 ............................................ 7.4 7.7 7.8 8.3 15.9 46.9 6.2 6.5 7.3 6.6 10.2 33.0

1970 to 1979 ............................................ 8.1 9.2 8.7 9.8 13.6 36.2 5.8 6.5 6.0 6.6 8.9 29.9

1980 to 1989 ............................................ 7.4 8.0 7.7 7.9 16.4 26.3 6.1 6.1 6.4 6.4 8.8 21.5

1990 to 1999 ............................................ 12.9 12.2 12.1 13.0 19.4 64.8 6.3 6.2 6.6 6.0 7.5 19.3

Census Region

Northeast ................................................. 8.0 8.4 10.0 7.5 10.5 49.6 7.7 7.8 8.5 7.5 9.6 28.8

Midwest .................................................... 9.7 9.8 9.5 11.1 17.3 42.4 5.0 5.3 6.0 5.0 7.9 26.0

South ....................................................... 5.6 6.3 5.4 6.2 8.8 21.9 5.3 5.2 5.5 5.8 7.7 14.0

West ........................................................ 10.8 10.4 8.7 9.1 14.5 39.7 6.0 6.2 6.5 6.4 9.1 31.8

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ............................ 19.0 17.8 14.0 17.6 25.4 54.2 10.5 9.9 8.2 9.1 14.8 32.4

 5,500-7,000 HDD ................................... 7.0 6.9 8.7 7.4 10.5 24.4 7.1 7.2 8.6 7.2 8.1 30.4

 4,000-5,499 HDD ................................... 16.8 16.8 15.0 15.0 17.6 38.5 9.1 9.0 8.6 8.9 9.0 24.6

 Fewer than 4,000 HDD .......................... 10.9 11.2 9.9 10.3 15.1 32.8 8.9 8.7 9.1 8.9 11.0 24.7

2,000 CDD or More and --

 Fewer than 4,000 HDD .......................... 11.1 13.0 10.7 12.4 14.1 27.4 9.4 9.7 9.2 10.1 13.0 21.1

RSEs for Table B19. Energy End Uses, Number of Buildings and Floorspace, 1999

Energy Used For 

(more than one may apply)

Energy Used For 

(more than one may apply)

RSEs for Number of Buildings RSEs for Total Floorspace

All 

Buildings

All 

Buildings

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 306
Space 

Heating Cooling

Water 

Heating Cooking

ManufacturingSpace 

Heating Cooling

Water 

Heating Cooking

Manufacturing

RSEs for Table B19. Energy End Uses, Number of Buildings and Floorspace, 1999

Energy Used For 

(more than one may apply)

Energy Used For 

(more than one may apply)

RSEs for Number of Buildings RSEs for Total Floorspace

All 

Buildings

All 

Buildings

Workers (main shift)

Fewer than 5 ............................................ 6.0 6.4 6.6 8.2 12.9 28.1 6.3 6.8 7.6 9.3 17.2 29.5

5 to 9 ........................................................ 7.9 8.2 8.5 8.2 16.7 39.3 7.6 8.0 8.7 8.2 14.1 34.3

10 to 19 .................................................... 7.6 7.8 7.9 8.5 11.2 36.7 6.7 7.0 7.5 7.1 14.4 22.9

20 to 49 .................................................... 9.0 8.9 9.6 8.9 10.7 40.0 6.6 6.5 7.4 6.3 7.1 22.2

50 to 99 .................................................... 10.7 10.7 10.8 10.6 13.3 47.1 8.9 8.9 8.8 8.9 10.7 32.7

100 to 249 ................................................ 11.7 10.8 11.9 11.9 9.3 27.6 7.2 7.3 7.2 7.2 10.0 26.7

250 or More .............................................. 8.6 8.5 8.6 8.6 8.6 26.6 6.3 6.2 6.4 6.2 8.1 27.1

Weekly Operating Hours

39 or Fewer .............................................. 10.3 12.1 13.6 14.5 22.0 48.4 9.8 11.2 12.9 13.8 20.6 49.4

40 to 48 .................................................... 5.9 5.7 5.5 7.3 14.5 32.1 6.1 6.2 6.3 6.8 10.4 21.6

49 to 60 .................................................... 8.2 8.6 8.8 8.5 14.9 27.6 6.1 6.2 6.4 6.6 11.2 15.9

61 to 84 .................................................... 9.6 10.4 9.8 10.9 15.7 41.9 6.1 6.2 6.4 6.0 8.6 30.2

85 to 167 .................................................. 7.7 7.9 8.0 7.8 12.9 31.7 7.0 6.8 7.1 7.1 8.9 32.5

Open Continuously .................................. 10.4 10.5 10.3 9.9 15.5 67.1 5.0 4.9 5.4 4.9 7.2 31.2

Energy Sources (more than

one may apply)

Electricity ................................................. 4.1 4.2 3.9 4.4 5.8 16.7 3.5 3.5 3.8 3.7 4.4 12.7

Natural Gas .............................................. 4.8 5.0 4.9 5.0 7.4 22.2 3.9 3.9 4.3 3.9 4.8 15.1

Fuel Oil .................................................... 16.7 16.8 18.9 16.0 18.5 36.6 6.9 6.9 7.4 6.9 7.7 23.5

District Heat ............................................. 15.5 15.7 16.6 16.4 29.9 50.8 9.9 9.8 9.9 10.2 15.5 58.7

District Chilled Water ............................... 27.2 27.4 27.2 21.9 21.3 100.2 12.1 12.2 12.1 12.5 20.0 100.2

Propane ................................................... 15.0 15.0 15.5 15.0 16.1 52.2 10.9 11.2 11.7 10.4 13.7 22.1

Other ........................................................ 18.8 19.0 22.2 25.2 27.1 48.0 14.0 14.2 14.5 13.9 18.2 46.6

Energy End Uses (more than

one may apply)

Buildings with Space Heating .................. 4.2 4.2 4.1 4.5 6.3 16.9 3.5 3.5 3.9 3.7 4.4 12.9

Buildings with Cooling .............................. 3.9 4.1 3.9 4.4 6.1 17.5 3.8 3.9 3.8 3.9 4.3 13.0

Buildings with Water Heating ................... 4.4 4.5 4.4 4.4 6.3 22.2 3.7 3.7 3.9 3.7 4.5 14.7

Buildings with Cooking ............................ 5.8 6.3 6.1 6.3 5.8 55.6 4.4 4.4 4.3 4.5 4.4 30.2

Buildings with Manufacturing ................... 16.7 16.9 17.5 22.2 55.6 16.7 12.7 12.9 13.0 14.7 30.2 12.7

Buildings with Electricity

 Generation .............................................. 14.2 14.4 13.1 12.9 15.5 75.3 7.4 7.5 7.5 7.4 8.3 31.3

Energy-Related Space Functions

(more than one may apply)

Commercial Food Preparation ................. 5.8 6.3 6.0 6.3 5.8 57.5 4.5 4.4 4.4 4.6 4.5 31.1

Activities with Large

 Amounts of Hot Water ............................ 6.3 6.2 7.0 6.3 8.1 56.0 4.0 3.9 4.4 4.0 4.9 28.9

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 307
Electricity Natural Gas Fuel Oil District Heat Propane Other

All Buildings ............................................... 4.2 4.2 5.1 5.4 19.2 16.5 18.3 25.8

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 7.1 8.7 9.2 25.8 44.3 21.9 32.5

5,001 to 10,000 ............................................ 6.7 7.9 9.1 11.6 28.7 60.4 25.4 64.0

10,001 to 25,000 .......................................... 7.1 7.0 10.7 7.7 21.3 33.2 38.5 49.7

25,001 to 50,000 .......................................... 6.9 7.3 10.1 6.2 26.6 22.8 44.8 58.5

50,001 to 100,000 ........................................ 10.3 10.3 11.4 11.1 19.8 13.7 45.0 35.3

100,001 to 200,000 ...................................... 6.3 6.6 8.2 8.6 18.6 13.2 35.5 101.9

200,001 to 500,000 ...................................... 6.5 6.2 6.6 8.3 18.5 14.1 49.6 86.9

Over 500,000 ............................................... 10.7 10.6 11.2 13.1 36.1 19.1 51.5 67.1

Principal Building Activity

Education .................................................... 12.3 12.4 17.0 16.9 15.2 24.6 43.0 71.3

Food Sales .................................................. 17.2 19.2 30.7 25.7 55.5 100.3 87.0 67.2

Food Service ............................................... 9.3 10.3 15.9 13.6 55.5 83.4 40.8 64.0

Health Care ................................................. 17.6 17.6 19.8 25.3 51.6 25.7 58.4 0.0

 Inpatient ..................................................... 25.6 25.6 19.0 14.9 59.0 33.4 79.0 0.0

 Outpatient .................................................. 19.1 19.1 20.4 27.8 96.8 39.1 66.5 0.0

Lodging ........................................................ 11.4 11.5 14.7 18.5 34.5 36.4 26.3 76.9

Mercantile .................................................... 9.1 9.2 12.0 11.0 35.1 100.0 46.7 49.5

 Retail (Other Than Mall) ............................ 10.8 11.0 15.2 12.8 38.2 100.0 49.0 49.5

 Enclosed and Strip Malls ........................... 17.7 18.1 19.7 21.3 61.9 0.0 45.6 0.0

Office ........................................................... 8.3 8.6 10.4 10.3 28.9 36.5 54.4 45.6

Public Assembly .......................................... 13.5 13.8 18.4 17.9 45.3 48.1 36.7 96.0

Public Order and Safety .............................. 28.1 29.3 39.3 30.2 57.4 40.1 97.4 100.0

Religious Worship ....................................... 12.1 12.1 16.1 14.8 45.3 58.8 33.7 72.1

Service ........................................................ 12.8 14.1 22.8 15.6 35.9 47.2 35.0 49.3

Warehouse and Storage ............................. 12.4 13.0 15.2 18.4 40.4 63.4 49.0 84.2

Other ............................................................ 22.0 26.6 52.0 37.0 89.5 46.0 68.6 95.4

Vacant ......................................................... 14.5 24.5 23.7 27.5 92.0 100.1 96.5 92.4

Year Constructed

1919 or Before ............................................. 11.3 11.7 24.0 16.0 34.4 48.4 56.1 65.0

1920 to 1945 ................................................ 10.9 11.7 18.8 13.9 34.7 39.8 44.8 58.2

1946 to 1959 ................................................ 6.7 7.1 11.5 9.2 19.0 33.9 41.4 45.5

1960 to 1969 ................................................ 7.4 7.7 11.9 8.9 34.4 13.8 33.4 79.7

1970 to 1979 ................................................ 8.1 9.2 11.7 11.6 36.2 64.8 33.4 59.7

1980 to 1989 ................................................ 7.4 8.0 10.6 10.2 42.3 45.7 27.8 43.5

1990 to 1999 ................................................ 12.9 12.2 15.0 12.6 49.2 22.6 38.7 84.5

Census Region

Northeast ..................................................... 8.0 8.4 9.8 13.0 22.8 32.4 28.9 64.6

Midwest ....................................................... 9.7 9.8 9.5 11.8 40.0 34.6 33.5 39.7

South ........................................................... 5.6 6.3 8.5 8.7 39.1 30.9 34.7 38.3

West ............................................................ 10.8 10.4 11.4 10.7 70.0 24.6 42.4 78.2

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ................................ 19.0 17.8 24.1 21.9 29.1 23.8 26.2 48.3

 5,500-7,000 HDD ...................................... 7.0 6.9 6.8 8.1 33.7 22.3 45.9 50.3

 4,000-5,499 HDD ...................................... 16.8 16.8 18.9 19.6 30.5 30.0 44.2 48.2

 Fewer than 4,000 HDD .............................. 10.9 11.2 11.1 12.7 73.7 23.6 52.0 66.7

2,000 CDD or More and --

 Fewer than 4,000 HDD .............................. 11.1 13.0 14.6 17.4 67.0 37.1 47.2 58.4

RSEs for Table B20. Space-Heating Energy Sources, Number of Buildings, 1999

Space-Heating Energy Sources Used 

(more than one may apply)

RSEs for Number of Buildings

All Buildings 

with Space 

Heating

All

Buildings

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 308
Electricity Natural Gas Fuel Oil District Heat Propane Other

RSEs for Table B20. Space-Heating Energy Sources, Number of Buildings, 1999

Space-Heating Energy Sources Used 

(more than one may apply)

RSEs for Number of Buildings

All Buildings 

with Space 

Heating

All

Buildings

Workers (main shift)

Fewer than 5 ................................................ 6.0 6.4 9.1 8.8 26.1 35.2 22.0 32.5

5 to 9 ............................................................ 7.9 8.2 9.3 8.6 32.3 43.8 35.0 65.0

10 to 19 ........................................................ 7.6 7.8 9.9 11.2 38.1 33.3 41.6 61.5

20 to 49 ........................................................ 9.0 8.9 11.4 11.8 17.1 27.7 39.6 65.3

50 to 99 ........................................................ 10.7 10.7 14.3 12.6 26.9 41.5 31.2 42.5

100 to 249 .................................................... 11.7 10.8 10.4 14.2 17.6 14.8 34.6 47.2

250 or More ................................................. 8.6 8.5 9.6 10.8 21.0 18.7 61.0 65.5

Weekly Operating Hours

39 or Fewer ................................................. 10.3 12.1 15.2 17.1 33.3 47.4 30.3 62.1

40 to 48 ........................................................ 5.9 5.7 7.8 7.8 29.5 31.5 30.4 56.2

49 to 60 ........................................................ 8.2 8.6 11.5 9.6 23.1 41.2 30.2 40.1

61 to 84 ........................................................ 9.6 10.4 11.0 14.1 35.2 40.4 39.4 58.7

85 to 167 ...................................................... 7.7 7.9 12.7 11.2 39.4 19.1 43.4 60.4

Open Continuously ...................................... 10.4 10.5 13.4 15.0 36.3 25.7 32.9 93.3

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 4.2 5.1 5.5 19.2 16.5 18.3 25.8

Natural Gas ................................................. 4.8 5.0 5.3 5.4 27.1 27.2 51.4 38.3

Fuel Oil ........................................................ 16.7 16.8 26.7 18.7 19.2 19.4 52.8 48.4

District Heat ................................................. 15.5 15.7 31.5 39.4 52.2 16.5 106.8 100.3

District Chilled Water ................................... 27.2 27.4 47.3 24.1 51.1 33.8 100.4 100.3

Propane ....................................................... 15.0 15.0 21.0 26.4 22.1 45.9 18.3 44.5

Other ............................................................ 18.8 19.0 30.8 20.5 42.7 41.1 56.7 25.8

Primary Space-Heating

Energy Source

Electricity ..................................................... 7.1 7.1 7.1 11.3 39.1 68.6 20.4 55.7

Natural Gas ................................................. 6.0 6.0 8.5 6.0 36.3 37.3 59.3 59.2

Fuel Oil ........................................................ 18.8 18.8 35.3 33.4 18.8 74.1 56.2 56.3

District Heat ................................................. 16.2 16.2 15.8 58.6 41.9 16.2 143.7 100.3

Propane ....................................................... 19.1 19.1 34.7 80.9 59.7 0.0 19.1 64.5

Other ............................................................ 32.6 32.6 45.8 71.9 100.0 0.0 76.4 32.6

Cooling Energy Sources

(more than one may apply)

Electricity ..................................................... 4.0 4.3 5.2 5.8 22.9 21.0 20.1 32.7

Natural Gas ................................................. 18.3 18.6 24.5 18.9 52.0 65.9 100.3 0.0

District Chilled Water ................................... 27.2 27.4 47.3 24.1 51.1 33.8 100.4 100.3

Water-Heating Energy Sources

(more than one may apply)

Electricity ..................................................... 6.0 6.3 6.9 7.9 23.4 42.2 27.6 40.4

Natural Gas ................................................. 6.1 6.2 8.0 7.1 33.2 43.4 86.6 46.4

Fuel Oil ........................................................ 20.3 20.4 40.7 34.8 20.7 72.2 60.3 87.5

District Heat ................................................. 17.3 17.6 37.0 33.0 65.2 15.8 106.8 100.3

Propane ....................................................... 18.9 18.8 33.2 71.5 43.0 0.0 29.8 64.2

Cooking Energy Sources

(more than one may apply)

Electricity ..................................................... 8.1 8.8 8.6 12.6 32.9 29.3 37.7 51.8

Natural Gas ................................................. 8.2 8.2 9.7 10.4 34.3 52.8 67.7 70.2

Propane ....................................................... 22.3 23.5 28.2 50.2 47.3 100.5 35.5 62.2

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 309
Electricity Natural Gas Fuel Oil District Heat Propane Other

RSEs for Table B20. Space-Heating Energy Sources, Number of Buildings, 1999

Space-Heating Energy Sources Used 

(more than one may apply)

RSEs for Number of Buildings

All Buildings 

with Space 

Heating

All

Buildings

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 4.2 5.1 5.4 19.2 16.5 18.3 25.8

Buildings with Cooling ................................. 3.9 4.1 5.3 5.6 22.9 18.0 20.0 32.4

Buildings with Water Heating ...................... 4.4 4.5 5.0 5.9 18.7 17.6 19.1 35.1

Buildings with Cooking ................................ 5.8 6.3 7.0 9.8 23.3 33.5 28.4 39.6

Buildings with Manufacturing ....................... 16.7 16.9 21.6 24.1 43.1 50.8 33.0 56.0

Buildings with Electricity

 Generation .................................................. 14.2 14.4 14.2 18.1 44.0 17.4 29.9 80.4

Percent of Floorspace Heated

Not Heated .................................................. 10.5 103.3 0.0 103.3 0.0 0.0 0.0 0.0

1 to 50 .......................................................... 10.9 10.9 13.3 14.5 36.2 74.3 34.9 49.7

51 to 99 ........................................................ 8.2 8.2 14.3 9.0 34.4 41.4 38.1 54.0

100 ............................................................... 4.8 4.8 5.6 6.8 19.1 19.4 19.5 33.6

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 10.5 10.5 10.5 17.3 59.7 21.9 50.0 68.8

Furnaces ...................................................... 7.4 7.4 9.5 8.1 25.4 47.8 25.8 44.3

Individual Space Heaters ............................ 6.7 6.7 8.0 9.9 35.0 19.5 27.1 38.7

District Heat ................................................. 16.5 16.5 45.3 50.4 53.2 16.5 106.8 100.3

Boilers ......................................................... 7.9 7.9 11.0 9.5 17.3 71.5 26.2 43.2

Packaged Heating Units .............................. 6.3 6.3 8.0 8.8 36.0 68.7 29.1 58.7

Other ............................................................ 15.1 15.1 20.1 19.8 36.7 32.9 32.1 35.9

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 310
Electricity Natural Gas Fuel Oil District Heat Propane Other

All Buildings ............................................... 3.5 3.5 4.1 4.2 10.7 9.9 18.0 21.5

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.1 6.8 8.0 8.9 27.1 47.9 25.5 35.2

5,001 to 10,000 ............................................ 7.1 8.2 9.5 11.9 30.7 62.9 26.8 62.2

10,001 to 25,000 .......................................... 6.8 6.6 10.2 6.9 19.9 25.7 38.8 46.5

25,001 to 50,000 .......................................... 6.8 7.2 10.2 6.2 26.1 21.3 41.3 49.1

50,001 to 100,000 ........................................ 10.2 10.2 11.4 11.0 19.9 13.6 43.5 38.3

100,001 to 200,000 ...................................... 6.4 6.5 8.1 8.8 17.8 13.0 37.0 101.9

200,001 to 500,000 ...................................... 6.6 6.5 7.5 9.0 18.5 15.0 54.6 79.3

Over 500,000 ............................................... 11.1 10.9 12.3 13.8 34.4 19.4 64.1 65.9

Principal Building Activity

Education .................................................... 6.2 6.3 8.5 9.2 15.9 17.5 32.3 58.1

Food Sales .................................................. 16.0 18.6 15.2 21.6 70.5 100.3 58.3 68.2

Food Service ............................................... 9.7 10.4 16.9 13.3 51.5 70.9 44.2 52.7

Health Care ................................................. 7.6 7.6 11.4 8.7 15.4 19.5 48.9 0.0

 Inpatient ..................................................... 9.9 9.9 18.6 10.6 16.4 22.1 73.6 0.0

 Outpatient .................................................. 10.3 10.3 12.3 18.0 60.0 33.8 62.4 0.0

Lodging ........................................................ 11.0 11.2 12.7 14.3 29.0 25.9 38.4 84.6

Mercantile .................................................... 8.8 8.8 9.0 9.9 34.2 100.0 40.2 49.2

 Retail (Other Than Mall) ............................ 10.7 11.1 12.6 13.2 40.9 100.0 45.0 49.2

 Enclosed and Strip Malls ........................... 10.3 9.7 10.4 11.4 41.3 0.0 45.5 0.0

Office ........................................................... 6.9 6.9 7.6 8.9 19.2 15.0 50.9 27.3

Public Assembly .......................................... 10.8 11.0 13.6 13.6 37.1 22.9 35.1 64.6

Public Order and Safety .............................. 22.2 21.2 24.9 21.4 54.5 36.7 83.9 100.0

Religious Worship ....................................... 12.0 12.1 11.4 13.0 44.5 54.2 38.5 85.4

Service ........................................................ 11.8 13.6 23.6 15.0 39.0 75.7 45.4 53.5

Warehouse and Storage ............................. 9.4 9.2 11.0 10.2 24.8 61.7 38.2 70.1

Other ............................................................ 13.6 15.4 24.6 25.6 49.4 42.2 67.4 95.8

Vacant ......................................................... 12.2 18.9 18.6 20.2 86.6 100.1 71.4 81.9

Year Constructed

1919 or Before ............................................. 7.2 7.3 15.5 10.6 19.8 32.4 52.1 58.4

1920 to 1945 ................................................ 9.0 8.4 14.8 11.2 21.2 32.0 54.2 45.2

1946 to 1959 ................................................ 7.7 8.0 11.2 8.4 22.2 21.8 36.5 40.1

1960 to 1969 ................................................ 6.2 6.5 9.6 8.1 19.6 10.9 27.0 67.2

1970 to 1979 ................................................ 5.8 6.5 7.4 7.9 28.1 18.8 33.5 60.5

1980 to 1989 ................................................ 6.1 6.1 6.8 7.8 24.4 19.0 30.2 38.9

1990 to 1999 ................................................ 6.3 6.2 6.8 7.5 24.4 18.9 34.3 58.2

Census Region

Northeast ..................................................... 7.7 7.8 10.5 7.6 12.3 16.4 27.4 45.1

Midwest ....................................................... 5.0 5.3 6.3 6.3 16.7 18.9 31.6 44.4

South ........................................................... 5.3 5.2 5.9 7.6 24.8 20.8 36.4 29.6

West ............................................................ 6.0 6.2 6.5 8.4 43.7 21.8 34.6 50.4

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ................................ 10.5 9.9 11.7 11.0 15.9 26.5 29.8 62.2

 5,500-7,000 HDD ...................................... 7.1 7.2 8.5 7.3 18.6 19.1 39.3 50.5

 4,000-5,499 HDD ...................................... 9.1 9.0 8.5 10.9 19.0 16.6 34.3 29.6

 Fewer than 4,000 HDD .............................. 8.9 8.7 8.9 10.1 35.1 24.2 58.4 52.5

2,000 CDD or More and --

 Fewer than 4,000 HDD .............................. 9.4 9.7 10.7 13.4 34.3 21.9 45.6 54.1

RSEs for Table B21. Space-Heating Energy Sources, Floorspace, 1999

RSEs for Total Floorspace

All

Buildings

All Buildings 

with Space 

Heating

Space-Heating Energy Sources Used 

(more than one may apply)

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 311
Electricity Natural Gas Fuel Oil District Heat Propane Other

RSEs for Table B21. Space-Heating Energy Sources, Floorspace, 1999

RSEs for Total Floorspace

All

Buildings

All Buildings 

with Space 

Heating

Space-Heating Energy Sources Used 

(more than one may apply)

Workers (main shift)

Fewer than 5 ................................................ 6.3 6.8 10.1 8.7 24.8 23.2 26.4 34.2

5 to 9 ............................................................ 7.6 8.0 9.8 8.7 24.8 28.7 39.3 76.4

10 to 19 ........................................................ 6.7 6.9 8.7 9.3 36.5 28.8 31.9 55.3

20 to 49 ........................................................ 6.6 6.5 8.6 7.9 17.2 23.1 29.6 45.1

50 to 99 ........................................................ 8.9 8.9 9.3 8.7 26.7 18.9 39.5 51.4

100 to 249 .................................................... 7.2 7.3 8.1 8.6 16.8 21.0 31.9 47.6

250 or More ................................................. 6.3 6.2 8.1 8.6 18.2 13.9 67.0 78.6

Weekly Operating Hours

39 or Fewer ................................................. 9.8 11.2 12.5 12.8 33.9 40.1 32.9 51.9

40 to 48 ........................................................ 6.1 6.2 8.0 6.6 22.6 23.0 33.7 46.8

49 to 60 ........................................................ 6.1 6.2 7.2 7.5 18.2 16.7 28.9 32.0

61 to 84 ........................................................ 6.1 6.2 7.2 7.7 21.9 19.5 31.3 46.7

85 to 167 ...................................................... 7.0 6.8 8.1 8.9 25.1 17.6 40.1 43.9

Open Continuously ...................................... 5.0 4.9 6.8 7.4 13.8 13.7 24.0 74.9

Energy Sources (more than

one may apply)

Electricity ..................................................... 3.5 3.5 4.1 4.2 10.6 9.9 18.0 21.5

Natural Gas ................................................. 3.9 3.9 4.6 4.2 11.3 13.6 31.8 31.0

Fuel Oil ........................................................ 6.9 6.9 9.0 8.1 10.7 16.9 33.9 36.9

District Heat ................................................. 9.9 9.8 14.8 25.5 35.9 9.9 91.7 100.3

District Chilled Water ................................... 12.1 12.2 17.6 21.4 40.6 14.2 100.4 100.3

Propane ....................................................... 10.9 11.2 14.3 13.8 16.7 42.1 18.0 40.8

Other ............................................................ 14.0 14.2 15.6 20.0 28.9 31.1 54.5 21.5

Primary Space-Heating

Energy Source

Electricity ..................................................... 5.5 5.5 5.5 10.4 30.5 37.7 24.5 36.5

Natural Gas ................................................. 4.4 4.4 5.9 4.4 12.5 22.2 34.7 51.2

Fuel Oil ........................................................ 12.4 12.4 23.1 29.3 12.4 60.9 34.0 57.4

District Heat ................................................. 10.3 10.3 16.5 37.9 43.5 10.3 143.7 100.3

Propane ....................................................... 19.5 19.5 29.1 72.2 76.0 0.0 19.5 67.5

Other ............................................................ 25.8 25.8 63.6 58.5 100.0 0.0 80.5 25.8

Cooling Energy Sources

(more than one may apply)

Electricity ..................................................... 4.0 4.1 4.3 4.7 11.4 11.8 18.7 24.1

Natural Gas ................................................. 12.2 12.2 16.3 12.6 39.9 51.0 100.3 0.0

District Chilled Water ................................... 12.1 12.2 17.6 21.4 40.6 14.2 100.4 100.3

Water-Heating Energy Sources

(more than one may apply)

Electricity ..................................................... 5.5 5.8 5.6 7.1 20.4 21.2 26.6 29.2

Natural Gas ................................................. 4.4 4.4 6.0 4.3 12.8 19.5 48.4 38.1

Fuel Oil ........................................................ 11.5 11.6 18.8 18.7 12.1 74.9 37.6 76.5

District Heat ................................................. 10.8 10.8 18.3 31.6 43.8 10.9 91.7 100.3

Propane ....................................................... 17.3 17.9 21.1 74.7 43.7 0.0 19.7 70.6

Cooking Energy Sources

(more than one may apply)

Electricity ..................................................... 5.2 5.0 4.9 6.5 14.1 18.2 38.0 35.5

Natural Gas ................................................. 5.1 5.1 6.3 5.9 15.4 19.1 55.1 49.6

Propane ....................................................... 16.8 17.6 19.3 38.2 32.9 100.5 25.0 50.3

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 312
Electricity Natural Gas Fuel Oil District Heat Propane Other

RSEs for Table B21. Space-Heating Energy Sources, Floorspace, 1999

RSEs for Total Floorspace

All

Buildings

All Buildings 

with Space 

Heating

Space-Heating Energy Sources Used 

(more than one may apply)

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 3.5 3.5 4.1 4.2 10.7 9.9 18.0 21.5

Buildings with Cooling ................................. 3.8 3.9 4.3 4.6 11.4 9.9 18.7 23.8

Buildings with Water Heating ...................... 3.7 3.7 4.3 4.2 9.9 10.1 18.1 23.8

Buildings with Cooking ................................ 4.4 4.4 5.3 5.5 12.6 15.5 25.5 32.5

Buildings with Manufacturing ....................... 12.7 12.9 15.6 17.1 32.8 58.7 29.2 53.7

Buildings with Electricity

 Generation .................................................. 7.4 7.5 8.4 8.5 16.5 15.6 28.1 53.1

Percent of Floorspace Heated

Not Heated .................................................. 11.3 103.3 0.0 103.3 0.0 0.0 0.0 0.0

1 to 50 .......................................................... 8.0 8.0 9.8 9.0 34.7 40.6 35.1 44.2

51 to 99 ........................................................ 7.1 7.1 9.4 8.8 16.0 24.9 36.0 49.0

100 ............................................................... 4.0 4.0 4.5 4.9 12.0 9.8 20.1 26.9

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 6.3 6.3 6.3 9.2 17.9 21.5 32.9 49.1

Furnaces ...................................................... 5.5 5.5 7.5 5.7 16.8 42.0 25.8 43.7

Individual Space Heaters ............................ 5.0 5.0 5.4 6.1 21.4 20.1 23.1 30.8

District Heat ................................................. 9.9 9.9 15.4 25.9 38.1 9.9 91.7 100.3

Boilers ......................................................... 5.6 5.6 5.9 5.9 10.5 32.1 28.2 32.4

Packaged Heating Units .............................. 4.8 4.8 5.1 5.8 13.1 21.7 23.3 41.6

Other ............................................................ 7.9 7.9 9.3 13.5 31.0 38.6 38.1 31.7

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 313
Electricity Natural Gas Fuel Oil District Heat

All Buildings ............................................... 4.2 4.2 7.1 6.0 18.8 16.2

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 7.1 10.7 9.7 26.2 51.4

5,001 to 10,000 ............................................ 6.7 7.9 13.1 12.0 29.3 62.3

10,001 to 25,000 .......................................... 7.1 7.0 16.1 8.5 23.3 18.9

25,001 to 50,000 .......................................... 6.9 7.3 12.6 7.5 25.1 23.8

50,001 to 100,000 ........................................ 10.3 10.3 10.9 11.5 23.8 14.2

100,001 to 200,000 ...................................... 6.3 6.6 10.2 8.6 25.0 13.6

200,001 to 500,000 ...................................... 6.5 6.2 9.5 9.3 28.8 14.6

Over 500,000 ............................................... 10.7 10.6 12.6 15.1 74.0 20.3

Principal Building Activity

Education .................................................... 12.3 12.4 22.6 18.0 17.9 26.0

Food Sales .................................................. 17.2 19.2 34.1 26.4 65.5 100.3

Food Service ............................................... 9.3 10.3 23.2 14.9 55.5 68.8

Health Care ................................................. 17.6 17.6 23.2 25.8 65.0 26.9

 Inpatient .................................................... 25.6 25.6 61.0 13.9 86.0 35.1

 Outpatient ................................................. 19.1 19.1 23.2 28.1 99.5 40.4

Lodging ........................................................ 11.4 11.5 17.0 22.3 47.1 36.7

Mercantile .................................................... 9.1 9.2 13.4 11.2 33.7 100.0

 Retail (Other Than Mall) ........................... 10.8 11.0 17.4 12.6 35.8 100.0

 Enclosed and Strip Malls .......................... 17.7 18.1 22.0 21.8 89.5 0.0

Office ........................................................... 8.3 8.6 14.2 11.5 29.0 38.5

Public Assembly .......................................... 13.5 13.8 26.5 18.4 50.4 49.0

Public Order and Safety .............................. 28.1 29.3 69.8 31.0 58.5 41.9

Religious Worship ....................................... 12.1 12.1 36.8 15.2 52.5 68.8

Service ........................................................ 12.8 14.1 26.0 16.2 39.5 49.8

Warehouse and Storage ............................. 12.4 13.0 15.8 19.1 57.8 63.4

Other ............................................................ 22.0 26.6 70.2 38.4 91.8 46.0

Vacant ......................................................... 14.5 24.5 46.2 27.9 92.0 100.1

Year Constructed

1919 or Before ............................................. 11.3 11.7 43.7 16.2 35.5 48.8

1920 to 1945 ................................................ 10.9 11.7 27.5 14.1 34.9 42.3

1946 to 1959 ................................................ 6.7 7.1 16.2 10.0 19.2 25.7

1960 to 1969 ................................................ 7.4 7.7 19.2 9.4 38.2 14.3

1970 to 1979 ................................................ 8.1 9.2 13.7 12.0 40.3 23.9

1980 to 1989 ................................................ 7.4 8.0 11.9 11.0 37.0 48.9

1990 to 1999 ................................................ 12.9 12.2 18.6 13.9 65.4 24.4

Census Region

Northeast ..................................................... 8.0 8.4 26.0 12.4 22.3 33.1

Midwest ....................................................... 9.7 9.8 17.4 12.3 54.5 36.2

South ........................................................... 5.6 6.3 9.9 9.9 35.8 19.7

West ............................................................ 10.8 10.4 16.1 11.3 71.6 26.3

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ............................... 19.0 17.8 48.0 22.9 31.1 27.6

 5,500-7,000 HDD ..................................... 7.0 6.9 17.6 7.8 36.0 22.9

 4,000-5,499 HDD ..................................... 16.8 16.8 21.7 20.2 29.9 31.0

 Fewer than 4,000 HDD ............................. 10.9 11.2 12.5 14.0 92.8 25.6

2,000 CDD or More and --

 Fewer than 4,000 HDD ............................. 11.1 13.0 16.4 18.1 69.4 24.4

RSEs for Table B22. Primary Space-Heating Energy Sources, Number of 

Buildings, 1999

Primary Space-Heating Energy Source Used

RSEs for Number of Buildings

All Buildings

All Buildings 

with Space 

Heating

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 314
Electricity Natural Gas Fuel Oil District Heat

RSEs for Table B22. Primary Space-Heating Energy Sources, Number of 

Buildings, 1999

Primary Space-Heating Energy Source Used

RSEs for Number of Buildings

All Buildings

All Buildings 

with Space 

Heating

Workers (main shift)

Fewer than 5 ................................................ 6.0 6.4 10.8 8.8 26.6 38.9

5 to 9 ............................................................ 7.9 8.2 14.7 8.6 35.2 45.6

10 to 19 ........................................................ 7.6 7.8 15.0 12.5 36.7 33.4

20 to 49 ........................................................ 9.0 8.9 13.9 12.7 17.7 29.1

50 to 99 ........................................................ 10.7 10.7 18.8 10.0 26.1 17.9

100 to 249 .................................................... 11.7 10.8 10.8 15.8 23.8 14.7

250 or More ................................................. 8.6 8.5 9.8 12.0 33.8 20.1

Weekly Operating Hours

39 or Fewer ................................................. 10.3 12.1 15.4 17.3 38.5 52.6

40 to 48 ........................................................ 5.9 5.7 9.1 8.1 31.3 31.1

49 to 60 ........................................................ 8.2 8.6 16.2 9.7 21.9 43.3

61 to 84 ........................................................ 9.6 10.4 15.5 14.4 34.2 19.3

85 to 167 ...................................................... 7.7 7.9 18.6 12.4 48.3 19.3

Open Continuously ...................................... 10.4 10.5 17.9 17.3 45.0 26.0

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 4.2 7.1 6.0 18.8 16.2

Natural Gas ................................................. 4.8 5.0 8.4 6.0 41.5 28.0

Fuel Oil ........................................................ 16.7 16.8 26.1 21.3 18.8 21.1

District Heat ................................................. 15.5 15.7 40.5 29.7 74.1 16.2

District Chilled Water ................................... 27.2 27.4 61.1 25.0 100.0 26.4

Propane ....................................................... 15.0 15.0 26.7 30.7 19.4 49.5

Other ............................................................ 18.8 19.0 40.8 22.4 47.7 47.8

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 4.2 7.1 6.0 18.8 16.2

Buildings with Cooling ................................. 3.9 4.1 7.2 6.0 23.7 16.7

Buildings with Water Heating ...................... 4.4 4.5 7.5 6.5 19.5 17.8

Buildings with Cooking ................................ 5.8 6.3 11.2 10.6 26.4 24.7

Buildings with Manufacturing ....................... 16.7 16.9 27.4 24.4 44.9 50.8

Buildings with Electricity

 Generation .................................................. 14.2 14.4 17.3 19.4 49.6 18.4

Percent of Floorspace Heated

Not Heated .................................................. 10.5 0.0 0.0 0.0 0.0 0.0

1 to 50 .......................................................... 10.9 10.9 16.6 14.2 43.5 74.9

51 to 99 ........................................................ 8.2 8.2 18.2 9.2 39.0 43.8

100 ............................................................... 4.8 4.8 8.0 7.4 18.1 16.3

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 10.5 10.5 13.2 17.6 65.7 23.6

Furnaces ...................................................... 7.4 7.4 17.0 8.8 28.2 65.1

Individual Space Heaters ............................ 6.7 6.7 13.9 10.2 36.7 21.1

District Heat ................................................. 16.5 16.5 68.6 37.3 74.1 16.2

Boilers ......................................................... 7.9 7.9 24.9 9.9 18.1 91.1

Packaged Heating Units .............................. 6.3 6.3 10.3 9.4 59.9 23.8

Other ............................................................ 15.1 15.1 29.1 21.7 44.9 36.2

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 315
Electricity Natural Gas Fuel Oil District Heat

All Buildings ............................................... 3.5 3.5 5.5 4.4 12.4 10.3

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.1 6.8 10.3 9.4 27.0 50.8

5,001 to 10,000 ............................................ 7.1 8.2 13.5 12.4 31.3 65.3

10,001 to 25,000 .......................................... 6.8 6.6 15.6 8.2 22.3 18.2

25,001 to 50,000 .......................................... 6.8 7.3 12.7 7.6 24.8 22.3

50,001 to 100,000 ........................................ 10.2 10.2 10.8 11.4 24.5 14.0

100,001 to 200,000 ...................................... 6.4 6.5 10.2 8.6 25.5 13.3

200,001 to 500,000 ...................................... 6.6 6.5 9.3 9.8 29.0 15.6

Over 500,000 ............................................... 11.1 10.9 13.6 16.1 75.5 20.8

Principal Building Activity

Education .................................................... 6.2 6.3 17.8 9.7 19.1 18.5

Food Sales .................................................. 16.0 18.6 17.4 23.6 81.2 100.3

Food Service ............................................... 9.7 10.4 27.0 14.4 51.5 60.6

Health Care ................................................. 7.6 7.6 14.8 9.1 33.6 22.1

 Inpatient .................................................... 9.9 9.9 56.0 10.9 37.1 25.2

 Outpatient ................................................. 10.3 10.3 15.4 18.0 99.5 35.6

Lodging ........................................................ 11.0 11.2 15.0 19.7 47.6 26.1

Mercantile .................................................... 8.8 8.8 10.9 9.4 35.5 100.0

 Retail (Other Than Mall) ........................... 10.7 11.1 13.8 12.8 37.7 100.0

 Enclosed and Strip Malls .......................... 10.3 9.7 13.1 9.4 61.8 0.0

Office ........................................................... 6.9 7.0 8.5 9.6 20.7 15.7

Public Assembly .......................................... 10.8 11.0 20.4 14.6 42.4 23.7

Public Order and Safety .............................. 22.2 21.2 33.2 22.1 60.1 37.9

Religious Worship ....................................... 12.0 12.1 20.9 13.5 53.5 62.7

Service ........................................................ 11.8 13.6 33.2 15.0 38.8 84.6

Warehouse and Storage ............................. 9.4 9.2 15.9 10.3 33.2 61.7

Other ............................................................ 13.6 15.4 40.3 27.2 75.6 42.2

Vacant ......................................................... 12.2 18.9 41.3 21.0 86.6 100.1

Year Constructed

1919 or Before ............................................. 7.2 7.3 30.0 11.1 21.6 33.0

1920 to 1945 ................................................ 9.0 8.4 20.7 11.7 28.6 33.7

1946 to 1959 ................................................ 7.7 8.0 16.3 8.6 21.9 22.8

1960 to 1969 ................................................ 6.2 6.5 15.0 8.5 24.0 11.2

1970 to 1979 ................................................ 5.8 6.5 9.1 7.4 36.8 18.2

1980 to 1989 ................................................ 6.1 6.1 8.0 9.4 31.4 21.2

1990 to 1999 ................................................ 6.3 6.2 8.8 7.9 34.2 22.6

Census Region

Northeast ..................................................... 7.7 7.8 17.5 7.8 13.3 17.0

Midwest ....................................................... 5.0 5.3 12.0 6.7 61.6 19.9

South ........................................................... 5.3 5.2 7.4 7.9 32.9 22.2

West ............................................................ 6.0 6.2 9.3 9.5 61.4 23.2

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ............................... 10.5 9.9 21.8 11.3 15.9 29.4

 5,500-7,000 HDD ..................................... 7.1 7.2 12.0 8.3 18.2 19.9

 4,000-5,499 HDD ..................................... 9.1 9.0 12.8 11.7 23.9 17.2

 Fewer than 4,000 HDD ............................. 8.9 8.7 10.7 10.5 68.3 29.7

2,000 CDD or More and --

 Fewer than 4,000 HDD ............................. 9.4 9.7 12.1 12.8 42.6 22.6

RSEs for Table B23. Primary Space-Heating Energy Sources, Floorspace, 

1999

RSEs for Total Floorspace

Primary Space-Heating Energy Source Used

All Buildings

All Buildings 

with Space 

Heating

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 316
Electricity Natural Gas Fuel Oil District Heat

RSEs for Table B23. Primary Space-Heating Energy Sources, Floorspace, 

1999

RSEs for Total Floorspace

Primary Space-Heating Energy Source Used

All Buildings

All Buildings 

with Space 

Heating

Workers (main shift)

Fewer than 5 ................................................ 6.3 6.8 10.4 8.8 27.3 24.5

5 to 9 ............................................................ 7.6 8.0 13.6 8.2 23.1 29.5

10 to 19 ........................................................ 6.7 7.0 11.3 10.6 35.6 28.9

20 to 49 ........................................................ 6.6 6.5 9.9 8.2 18.5 22.9

50 to 99 ........................................................ 8.9 8.9 11.6 8.7 32.2 18.1

100 to 249 .................................................... 7.2 7.3 10.9 10.3 21.3 21.8

250 or More ................................................. 6.3 6.2 8.3 9.7 33.3 15.1

Weekly Operating Hours

39 or Fewer ................................................. 9.8 11.2 11.4 13.3 36.7 43.2

40 to 48 ........................................................ 6.1 6.2 10.8 7.0 24.3 26.1

49 to 60 ........................................................ 6.1 6.2 8.8 7.6 16.3 17.5

61 to 84 ........................................................ 6.1 6.2 8.2 8.6 22.4 19.9

85 to 167 ...................................................... 7.0 6.8 14.0 10.4 32.0 17.8

Open Continuously ...................................... 5.0 4.9 9.2 9.3 20.2 14.4

Energy Sources (more than

one may apply)

Electricity ..................................................... 3.5 3.5 5.5 4.5 12.3 10.3

Natural Gas ................................................. 3.9 3.9 7.3 4.4 17.9 14.8

Fuel Oil ........................................................ 6.9 6.9 10.3 8.8 12.4 18.6

District Heat ................................................. 9.9 9.8 27.9 21.1 60.9 10.3

District Chilled Water ................................... 12.1 12.2 28.4 20.0 100.0 15.1

Propane ....................................................... 10.9 11.2 17.7 12.9 21.5 45.9

Other ............................................................ 14.0 14.2 21.0 18.6 35.6 35.5

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 3.5 3.5 5.5 4.4 12.4 10.3

Buildings with Cooling ................................. 3.8 3.9 5.7 4.9 15.0 10.4

Buildings with Water Heating ...................... 3.7 3.7 5.7 4.6 12.8 10.5

Buildings with Cooking ................................ 4.4 4.4 7.2 6.2 19.3 16.9

Buildings with Manufacturing ....................... 12.7 12.9 24.5 17.6 38.6 58.7

Buildings with Electricity

 Generation .................................................. 7.4 7.5 9.8 9.1 24.9 17.0

Percent of Floorspace Heated

Not Heated .................................................. 11.3 0.0 0.0 0.0 0.0 0.0

1 to 50 .......................................................... 8.0 8.0 13.7 8.9 39.5 43.6

51 to 99 ........................................................ 7.1 7.1 11.8 9.2 28.9 26.1

100 ............................................................... 4.0 4.0 6.3 5.2 13.4 10.3

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 6.3 6.3 9.0 11.2 37.7 25.3

Furnaces ...................................................... 5.5 5.5 11.9 6.5 26.5 55.0

Individual Space Heaters ............................ 5.0 5.0 9.0 6.6 25.5 22.1

District Heat ................................................. 9.9 9.9 37.7 22.2 60.9 10.3

Boilers ......................................................... 5.6 5.6 10.6 6.3 13.1 51.2

Packaged Heating Units .............................. 4.8 4.8 6.9 6.6 26.1 24.6

Other ............................................................ 7.9 7.9 9.7 13.4 41.0 42.0

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 317
Electricity

Natural 

Gas

District 

Chilled 

Water Electricity

Natural 

Gas

District 

Chilled 

Water

All Buildings ............................................... 4.2 3.9 4.0 18.3 27.2 3.5 3.8 4.0 12.2 12.1

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 6.3 6.3 32.1 75.7 6.1 6.2 6.2 26.6 75.6

5,001 to 10,000 ............................................ 6.7 8.6 8.6 36.0 82.1 7.1 8.9 8.9 38.7 84.9

10,001 to 25,000 .......................................... 7.1 7.3 7.4 36.0 21.3 6.8 6.9 7.0 30.2 21.4

25,001 to 50,000 .......................................... 6.9 8.0 7.9 25.7 28.4 6.8 8.0 7.9 25.4 29.9

50,001 to 100,000 ........................................ 10.3 10.4 10.8 25.2 14.5 10.2 10.2 10.7 25.4 14.5

100,001 to 200,000 ...................................... 6.3 6.7 6.6 24.9 15.2 6.4 6.6 6.8 28.7 15.8

200,001 to 500,000 ...................................... 6.5 6.4 6.2 28.8 21.9 6.6 6.8 6.7 27.2 19.9

Over 500,000 ............................................... 10.7 11.6 12.4 41.1 28.3 11.1 11.9 13.0 43.2 26.3

Principal Building Activity

Education .................................................... 12.3 10.9 11.3 32.7 51.7 6.2 6.3 6.7 32.6 15.4

Food Sales .................................................. 17.2 18.3 18.7 72.1 0.0 16.0 16.3 16.7 58.6 0.0

Food Service ............................................... 9.3 9.8 9.7 54.8 100.0 9.7 10.2 10.5 49.6 100.0

Health Care ................................................. 17.6 17.6 17.9 37.9 18.4 7.6 7.2 8.0 29.8 15.6

 Inpatient ..................................................... 25.6 25.9 29.3 26.5 25.4 9.9 9.4 10.3 32.1 19.0

 Outpatient .................................................. 19.1 19.1 19.2 71.1 33.3 10.3 10.3 10.4 73.5 33.9

Lodging ........................................................ 11.4 13.6 13.9 67.0 57.1 11.0 11.8 12.1 54.2 34.7

Mercantile .................................................... 9.1 9.7 9.7 42.9 97.3 8.8 8.9 9.2 24.5 72.2

 Retail (Other Than Mall) ............................ 10.8 11.7 11.8 52.0 100.0 10.7 11.2 11.6 36.5 100.0

 Enclosed and Strip Malls ........................... 17.7 17.9 18.1 68.8 100.1 10.3 10.4 10.7 36.3 100.2

Office ........................................................... 8.3 8.4 8.6 26.9 20.6 6.9 7.0 7.0 27.7 20.8

Public Assembly .......................................... 13.5 14.8 15.4 63.5 65.9 10.8 10.5 11.3 55.0 27.0

Public Order and Safety .............................. 28.1 22.7 23.1 55.5 48.6 22.2 18.6 18.9 52.9 48.9

Religious Worship ....................................... 12.1 15.3 15.3 55.9 70.4 12.0 14.6 14.6 50.1 75.0

Service ........................................................ 12.8 15.4 15.5 57.7 100.0 11.8 14.7 14.8 51.8 100.0

Warehouse and Storage ............................. 12.4 14.3 14.4 37.3 102.9 9.4 10.9 11.1 31.0 102.9

Other ............................................................ 22.0 28.6 34.1 98.0 57.4 13.6 15.5 17.6 86.7 54.1

Vacant ......................................................... 14.5 28.8 28.8 0.0 0.0 12.2 23.2 23.2 0.0 0.0

Year Constructed

1919 or Before ............................................. 11.3 11.4 12.1 73.1 78.1 7.2 7.8 8.1 55.5 43.7

1920 to 1945 ................................................ 10.9 12.7 12.8 69.2 38.6 9.0 9.2 9.9 73.5 23.0

1946 to 1959 ................................................ 6.7 7.2 7.1 43.8 29.6 7.7 8.3 8.0 34.4 34.4

1960 to 1969 ................................................ 7.4 7.8 8.1 37.0 14.6 6.2 7.3 7.7 25.4 17.1

1970 to 1979 ................................................ 8.1 8.7 9.0 29.3 69.2 5.8 6.0 6.2 23.7 17.7

1980 to 1989 ................................................ 7.4 7.7 7.7 17.4 50.8 6.1 6.4 6.6 21.7 24.6

1990 to 1999 ................................................ 12.9 12.1 12.6 52.3 34.2 6.3 6.6 6.9 30.2 20.5

Census Region

Northeast ..................................................... 8.0 10.0 9.9 47.1 30.4 7.7 8.5 9.2 26.5 25.2

Midwest ....................................................... 9.7 9.5 9.9 26.2 49.8 5.0 6.0 6.3 12.6 26.1

South ........................................................... 5.6 5.4 5.4 51.6 52.5 5.3 5.5 5.6 31.3 20.1

West ............................................................ 10.8 8.7 9.8 36.0 33.1 6.0 6.5 7.3 25.3 18.2

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ................................ 19.0 14.0 15.3 53.4 49.3 10.5 8.2 8.5 24.0 49.2

 5,500-7,000 HDD ...................................... 7.0 8.7 8.9 25.6 32.8 7.1 8.6 9.7 18.2 25.1

 4,000-5,499 HDD ...................................... 16.8 15.0 15.4 45.0 52.6 9.1 8.6 8.9 29.1 21.5

 Fewer than 4,000 HDD .............................. 10.9 9.9 10.3 44.7 18.7 8.9 9.1 9.2 36.2 26.1

2,000 CDD or More and --

 Fewer than 4,000 HDD .............................. 11.1 10.7 10.8 76.3 49.8 9.4 9.2 9.5 38.9 19.4

RSEs for Table B24. Cooling Energy Sources, Number of Buildings and Floorspace, 1999

Cooling Energy Sources (more 

than one may apply)

Cooling Energy Sources (more 

than one may apply)

RSEs for Number of Buildings RSEs for Total Floorspace

All 

Buildings

All 

Buildings 

with 

Cooling

All 

Buildings

All 

Buildings 

with 

Cooling

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 318
Electricity

Natural 

Gas

District 

Chilled 

Water Electricity

Natural 

Gas

District 

Chilled 

Water

RSEs for Table B24. Cooling Energy Sources, Number of Buildings and Floorspace, 1999

Cooling Energy Sources (more 

than one may apply)

Cooling Energy Sources (more 

than one may apply)

RSEs for Number of Buildings RSEs for Total Floorspace

All 

Buildings

All 

Buildings 

with 

Cooling

All 

Buildings

All 

Buildings 

with 

Cooling

Workers (main shift)

Fewer than 5 ................................................ 6.0 6.6 6.8 32.9 68.2 6.3 7.6 7.6 34.5 38.5

5 to 9 ............................................................ 7.9 8.5 8.9 25.9 49.6 7.6 8.7 8.9 25.6 49.9

10 to 19 ........................................................ 7.6 7.9 8.2 57.6 32.6 6.7 7.5 8.0 46.9 34.7

20 to 49 ........................................................ 9.0 9.6 9.7 53.9 32.3 6.6 7.4 7.4 20.8 29.6

50 to 99 ........................................................ 10.7 10.8 11.0 59.0 43.6 8.9 8.8 9.0 27.9 20.5

100 to 249 .................................................... 11.7 11.9 12.3 31.2 24.3 7.2 7.2 7.5 29.0 22.6

250 or More ................................................. 8.6 8.6 8.6 31.1 23.2 6.3 6.4 6.4 26.9 17.5

Weekly Operating Hours

39 or Fewer ................................................. 10.3 13.6 13.6 52.6 75.6 9.8 12.9 13.0 48.7 58.0

40 to 48 ........................................................ 5.9 5.5 5.6 42.0 73.6 6.1 6.3 6.4 31.5 28.9

49 to 60 ........................................................ 8.2 8.8 9.2 41.3 48.0 6.1 6.4 6.7 33.5 21.1

61 to 84 ........................................................ 9.6 9.8 9.9 43.7 21.0 6.1 6.4 6.6 28.2 17.9

85 to 167 ...................................................... 7.7 8.0 7.9 42.3 21.5 7.0 7.1 7.6 23.6 21.0

Open Continuously ...................................... 10.4 10.3 10.4 78.2 38.9 5.0 5.4 5.6 20.8 17.1

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 3.9 4.0 18.3 27.2 3.5 3.8 4.0 12.2 12.1

Natural Gas ................................................. 4.8 4.9 5.1 18.3 33.0 3.9 4.3 4.4 12.2 14.6

Fuel Oil ........................................................ 16.7 18.9 19.0 24.9 22.6 6.9 7.4 7.5 22.0 17.4

District Heat ................................................. 15.5 16.6 19.1 65.9 31.5 9.9 9.9 11.5 51.0 14.4

District Chilled Water ................................... 27.2 27.2 48.0 92.2 27.2 12.1 12.1 15.3 70.7 12.1

Propane ....................................................... 15.0 15.5 15.6 53.8 52.2 10.9 11.7 11.8 48.9 38.9

Other ............................................................ 18.8 22.2 22.5 85.4 49.9 14.0 14.5 15.5 54.5 43.2

Primary Space-Heating

Energy Source

Electricity ..................................................... 7.1 7.2 7.2 54.0 61.1 5.5 5.7 5.7 34.2 28.4

Natural Gas ................................................. 6.0 6.0 6.3 19.6 25.0 4.4 4.9 5.2 13.4 20.0

Fuel Oil ........................................................ 18.8 23.7 23.7 100.0 100.0 12.5 15.0 15.0 100.0 100.0

District Heat ................................................. 16.2 16.7 15.7 65.9 26.4 10.3 10.4 12.7 51.0 15.1

Propane ....................................................... 19.1 20.8 20.9 0.0 0.0 19.5 19.9 19.9 0.0 0.0

Other ............................................................ 32.6 50.6 53.0 0.0 0.0 25.8 32.0 33.2 0.0 0.0

Water-Heating Energy Sources

(more than one may apply)

Electricity ..................................................... 6.0 6.0 5.9 33.2 54.8 5.5 5.6 5.6 21.7 24.1

Natural Gas ................................................. 6.1 6.3 6.4 27.6 47.4 4.4 4.8 4.9 16.2 18.9

Fuel Oil ........................................................ 20.3 35.1 35.2 63.3 84.9 11.5 15.0 15.0 55.7 85.3

District Heat ................................................. 17.3 18.8 23.4 86.5 25.5 10.8 10.6 13.2 59.0 15.9

Propane ....................................................... 18.9 18.5 18.6 0.0 100.1 17.3 17.8 18.1 0.0 100.1

Cooking Energy Sources

(more than one may apply)

Electricity ..................................................... 8.1 8.3 8.4 39.7 26.3 5.2 5.1 5.2 22.2 21.1

Natural Gas ................................................. 8.2 8.4 8.5 43.6 30.9 5.1 5.3 5.4 17.9 23.1

Propane ....................................................... 22.3 23.1 23.2 0.0 100.5 16.8 17.8 17.8 0.0 100.5

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 4.1 4.3 18.6 27.4 3.5 3.9 4.1 12.2 12.2

Buildings with Cooling ................................. 3.9 3.9 4.0 18.3 27.2 3.8 3.8 4.0 12.2 12.1

Buildings with Water Heating ...................... 4.4 4.4 4.5 22.5 21.9 3.7 3.9 4.1 13.7 12.5

Buildings with Cooking ................................ 5.8 6.1 6.2 34.9 21.3 4.4 4.3 4.6 16.2 20.0

Buildings with Manufacturing ....................... 16.7 17.5 18.0 54.9 100.2 12.7 13.0 13.5 50.8 100.2

Buildings with Electricity

 Generation .................................................. 14.2 13.1 12.9 77.1 18.3 7.4 7.5 7.7 23.8 16.3

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 319
Electricity

Natural 

Gas

District 

Chilled 

Water Electricity

Natural 

Gas

District 

Chilled 

Water

RSEs for Table B24. Cooling Energy Sources, Number of Buildings and Floorspace, 1999

Cooling Energy Sources (more 

than one may apply)

Cooling Energy Sources (more 

than one may apply)

RSEs for Number of Buildings RSEs for Total Floorspace

All 

Buildings

All 

Buildings 

with 

Cooling

All 

Buildings

All 

Buildings 

with 

Cooling

Percent of Floorspace Cooled

Not Cooled .................................................. 10.4 0.0 0.0 0.0 0.0 8.8 0.0 0.0 0.0 0.0

1 to 50 .......................................................... 9.1 9.1 9.2 33.4 37.2 6.9 6.9 7.1 22.8 31.6

51 to 99 ........................................................ 6.9 6.9 7.3 42.6 27.7 4.5 4.5 4.9 16.8 18.3

100 ............................................................... 4.5 4.5 4.7 25.5 32.8 5.2 5.2 5.4 22.2 14.1

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 10.3 10.3 10.3 55.4 59.5 6.8 6.8 6.8 29.0 31.4

Heat Pumps ................................................. 10.4 10.4 10.4 49.8 41.1 6.5 6.5 6.5 27.5 33.6

Individual Air Conditioners ........................... 8.0 8.0 8.0 47.5 59.4 5.9 5.9 5.9 23.3 24.4

District Chilled Water ................................... 27.2 27.2 48.0 92.2 27.2 12.1 12.1 15.3 70.7 12.1

Central Chillers ............................................ 14.5 14.5 14.8 24.2 34.3 6.0 6.0 6.1 20.3 29.5

Packaged Air Conditioning

 Units ........................................................... 4.7 4.7 4.7 23.3 60.6 4.0 4.0 4.1 14.8 18.1

Swamp Coolers ........................................... 17.0 17.0 16.9 57.0 84.2 17.5 17.5 17.5 44.0 77.2

Other ............................................................ 29.6 29.6 30.4 74.6 49.9 16.3 16.3 16.8 69.7 47.1

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 320
Electricity Natural Gas Fuel Oil District Heat Propane

All Buildings ............................................... 4.2 4.4 6.0 6.1 20.3 17.3 18.9

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 6.9 9.8 9.2 35.4 66.8 32.7

5,001 to 10,000 ............................................ 6.7 8.5 10.8 13.2 44.0 53.0 47.6

10,001 to 25,000 .......................................... 7.1 7.0 12.1 10.3 42.6 29.5 40.1

25,001 to 50,000 .......................................... 6.9 7.1 10.2 8.0 32.9 28.1 30.0

50,001 to 100,000 ........................................ 10.3 10.6 12.7 11.2 29.7 15.9 60.7

100,001 to 200,000 ...................................... 6.3 6.8 10.5 9.6 32.3 14.1 53.3

200,001 to 500,000 ...................................... 6.5 6.3 9.6 8.9 26.7 15.9 57.2

Over 500,000 ............................................... 10.7 11.3 19.5 14.9 17.3 23.2 0.0

Principal Building Activity

Education .................................................... 12.3 10.7 16.1 14.8 19.4 33.0 25.1

Food Sales .................................................. 17.2 17.1 29.4 25.0 67.7 100.3 85.7

Food Service ............................................... 9.3 9.3 24.4 11.3 54.8 93.3 34.4

Health Care ................................................. 17.6 17.7 26.0 20.8 80.7 28.1 100.1

 Inpatient ..................................................... 25.6 25.7 27.9 33.9 34.2 33.4 0.0

 Outpatient .................................................. 19.1 19.2 26.4 23.6 99.5 46.3 100.1

Lodging ........................................................ 11.4 12.2 23.1 16.3 51.6 34.2 56.1

Mercantile .................................................... 9.1 10.4 12.3 16.7 64.1 0.0 81.5

 Retail (Other Than Mall) ............................ 10.8 12.1 14.9 19.8 44.8 0.0 86.7

 Enclosed and Strip Malls ........................... 17.7 18.2 20.4 21.6 74.5 0.0 64.7

Office ........................................................... 8.3 8.9 10.8 14.8 40.9 29.4 73.3

Public Assembly .......................................... 13.5 15.0 21.0 19.7 62.1 31.0 63.1

Public Order and Safety .............................. 28.1 35.2 31.9 31.3 62.7 45.3 100.0

Religious Worship ....................................... 12.1 13.5 23.0 17.3 81.1 100.2 49.9

Service ........................................................ 12.8 16.3 23.1 22.9 57.1 58.3 67.2

Warehouse and Storage ............................. 12.4 16.6 17.5 23.1 41.8 99.7 0.0

Other ............................................................ 22.0 30.9 43.1 44.9 99.4 55.8 0.0

Vacant ......................................................... 14.5 30.6 25.0 47.3 101.7 0.0 100.0

Year Constructed

1919 or Before ............................................. 11.3 12.5 18.0 14.9 43.5 49.1 67.9

1920 to 1945 ................................................ 10.9 12.3 20.2 16.9 49.4 48.4 60.1

1946 to 1959 ................................................ 6.7 7.7 12.8 11.4 28.0 31.1 56.4

1960 to 1969 ................................................ 7.4 8.3 11.7 12.0 49.6 18.3 50.8

1970 to 1979 ................................................ 8.1 9.8 13.2 13.1 66.9 49.6 41.8

1980 to 1989 ................................................ 7.4 7.9 10.6 11.2 54.1 48.4 38.3

1990 to 1999 ................................................ 12.9 13.0 22.4 14.6 38.8 55.9 70.4

Census Region

Northeast ..................................................... 8.0 7.5 11.5 12.1 20.6 31.2 23.5

Midwest ....................................................... 9.7 11.1 12.5 14.7 46.2 38.5 39.0

South ........................................................... 5.6 6.2 8.3 10.9 69.9 34.8 45.7

West ............................................................ 10.8 9.1 16.9 12.6 72.2 32.1 56.4

Workers (main shift)

Fewer than 5 ................................................ 6.0 8.2 10.8 10.6 42.6 43.7 34.4

5 to 9 ............................................................ 7.9 8.2 11.7 11.9 45.4 43.4 41.4

10 to 19 ........................................................ 7.6 8.5 12.7 13.1 45.6 38.4 49.4

20 to 49 ........................................................ 9.0 8.9 12.7 11.9 39.3 33.2 51.3

50 to 99 ........................................................ 10.7 10.6 14.7 13.4 36.8 47.5 33.7

100 to 249 .................................................... 11.7 11.9 11.2 17.3 28.1 20.4 50.7

250 or More ................................................. 8.6 8.6 9.3 13.8 27.8 15.1 68.6

RSEs for Table B25. Water-Heating Energy Sources, Number of Buildings, 1999

Water-Heating Energy Sources Used 

(more than one may apply)

RSEs for Number of Buildings

All Buildings

All Buildings 

with Water 

Heating

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 321
Electricity Natural Gas Fuel Oil District Heat Propane

RSEs for Table B25. Water-Heating Energy Sources, Number of Buildings, 1999

Water-Heating Energy Sources Used 

(more than one may apply)

RSEs for Number of Buildings

All Buildings

All Buildings 

with Water 

Heating

Weekly Operating Hours

39 or Fewer ................................................. 10.3 14.5 19.0 19.3 52.0 82.7 45.9

40 to 48 ........................................................ 5.9 7.3 8.6 11.2 41.6 44.1 63.1

49 to 60 ........................................................ 8.2 8.5 13.0 10.1 38.5 17.4 37.9

61 to 84 ........................................................ 9.6 10.9 14.0 16.0 48.2 23.2 68.5

85 to 167 ...................................................... 7.7 7.8 17.6 13.6 43.7 42.7 26.5

Open Continuously ...................................... 10.4 9.9 19.0 12.6 48.0 27.1 46.2

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 4.4 6.0 6.1 20.3 17.3 18.9

Natural Gas ................................................. 4.8 5.0 6.8 6.1 27.6 33.6 81.4

Fuel Oil ........................................................ 16.7 16.0 19.6 22.3 20.3 20.3 41.8

District Heat ................................................. 15.5 16.4 32.3 41.2 59.6 17.3 100.1

District Chilled Water ................................... 27.2 21.9 54.8 47.4 84.9 25.5 100.1

Propane ....................................................... 15.0 15.0 22.2 35.8 23.9 83.5 18.9

Other ............................................................ 18.8 25.2 33.8 30.6 59.5 41.7 54.4

Primary Space Heating

Energy Source

Electricity ..................................................... 7.1 7.5 8.5 12.6 68.3 52.3 48.6

Natural Gas ................................................. 6.0 6.5 8.4 7.6 53.2 53.8 0.0

Fuel Oil ........................................................ 18.8 19.5 26.3 50.4 22.1 95.4 43.3

District Heat ................................................. 16.2 17.8 48.2 45.5 100.1 16.1 0.0

Propane ....................................................... 19.1 20.1 29.2 0.0 82.5 0.0 31.5

Other ............................................................ 32.6 45.0 59.8 51.9 100.0 0.0 97.4

Cooking Energy Sources

(more than one may apply)

Electricity ..................................................... 8.1 9.5 16.5 13.6 40.6 46.3 23.1

Natural Gas ................................................. 8.2 8.2 18.9 9.4 39.0 28.0 72.6

Propane ....................................................... 22.3 22.5 31.4 57.9 43.2 98.7 29.2

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 4.5 6.3 6.2 20.4 17.6 18.8

Buildings with Cooling ................................. 3.9 4.4 6.0 6.3 35.1 18.8 18.5

Buildings with Water Heating ...................... 4.4 4.4 6.0 6.1 20.3 17.3 18.9

Buildings with Cooking ................................ 5.8 6.3 13.5 9.1 31.1 36.0 18.3

Buildings with Manufacturing ....................... 16.7 22.2 29.6 29.6 49.8 50.8 102.6

Buildings with Electricity

 Generation .................................................. 14.2 12.9 20.2 16.6 55.0 48.4 35.3

Water Heating Equipment

Centralized System ..................................... 5.0 5.0 8.3 7.1 22.4 20.1 22.5

Distributed System ...................................... 9.5 9.5 12.2 18.0 59.5 27.1 64.7

Combination of Centralized

 and Distributed System .............................. 11.0 11.0 17.4 12.2 55.9 24.2 50.1

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 322
Electricity Natural Gas Fuel Oil District Heat Propane

All Buildings ............................................... 3.5 3.7 5.5 4.4 11.5 10.8 17.3

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.1 6.8 10.2 8.8 38.2 69.8 35.6

5,001 to 10,000 ............................................ 7.1 8.7 11.1 13.4 47.1 55.3 45.6

10,001 to 25,000 .......................................... 6.8 6.9 11.5 9.8 40.0 29.1 41.2

25,001 to 50,000 .......................................... 6.8 7.1 10.0 8.2 32.4 26.3 30.6

50,001 to 100,000 ........................................ 10.2 10.5 13.1 110.0 29.6 16.1 60.0

100,001 to 200,000 ...................................... 6.4 6.7 10.4 9.6 34.9 13.9 52.3

200,001 to 500,000 ...................................... 6.6 6.5 10.2 9.0 29.6 16.4 62.0

Over 500,000 ............................................... 11.1 11.8 18.7 16.2 24.5 23.2 0.0

Principal Building Activity

Education .................................................... 6.2 6.7 13.0 9.8 20.7 20.8 28.0

Food Sales .................................................. 16.0 16.3 18.8 19.1 84.5 100.3 88.9

Food Service ............................................... 9.7 9.7 23.9 12.9 52.0 70.7 37.0

Health Care ................................................. 7.6 7.7 12.9 9.5 23.4 19.8 100.1

 Inpatient ..................................................... 9.9 9.9 34.9 10.7 25.4 22.1 0.0

 Outpatient .................................................. 10.3 10.5 15.6 18.1 99.5 37.3 100.1

Lodging ........................................................ 11.0 11.1 20.0 13.1 48.9 21.4 36.0

Mercantile .................................................... 8.8 8.6 10.3 11.6 46.2 0.0 53.6

 Retail (Other Than Mall) ............................ 10.7 11.6 13.5 16.6 46.9 0.0 72.1

 Enclosed and Strip Malls ........................... 10.3 10.1 13.0 12.7 61.1 0.0 60.3

Office ........................................................... 6.9 6.9 7.4 9.9 24.2 15.6 69.0

Public Assembly .......................................... 10.8 10.8 15.3 15.6 60.5 23.6 63.7

Public Order and Safety .............................. 22.2 23.3 27.7 24.8 69.2 40.2 100.0

Religious Worship ....................................... 12.0 13.0 22.9 15.4 83.9 100.2 57.9

Service ........................................................ 11.8 13.6 22.1 18.1 58.1 88.2 71.1

Warehouse and Storage ............................. 9.4 10.5 12.8 13.7 26.9 99.7 0.0

Other ............................................................ 13.6 18.3 30.5 26.3 78.9 50.3 0.0

Vacant ......................................................... 12.2 24.1 20.2 33.4 101.7 0.0 100.0

Year Constructed

1919 or Before ............................................. 7.2 8.7 13.8 13.2 28.5 35.7 66.7

1920 to 1945 ................................................ 9.0 9.0 16.6 12.0 30.4 37.0 90.2

1946 to 1959 ................................................ 7.7 8.2 14.1 9.4 26.5 23.7 48.5

1960 to 1969 ................................................ 6.2 6.6 9.4 10.1 23.9 13.7 44.4

1970 to 1979 ................................................ 5.8 6.6 10.3 9.0 38.5 19.8 51.7

1980 to 1989 ................................................ 6.1 6.4 8.3 9.2 29.5 21.6 29.5

1990 to 1999 ................................................ 6.3 6.0 10.7 7.0 39.7 22.9 34.7

Census Region

Northeast ..................................................... 7.7 7.5 15.2 9.1 12.0 17.9 27.9

Midwest ....................................................... 5.0 5.0 10.9 6.3 28.9 19.8 38.4

South ........................................................... 5.3 5.8 7.4 8.3 40.5 19.5 42.0

West ............................................................ 6.0 6.4 8.7 9.2 66.7 27.2 56.3

Workers (main shift)

Fewer than 5 ................................................ 6.3 9.3 11.6 11.0 50.8 29.8 41.7

5 to 9 ............................................................ 7.6 8.2 12.4 9.9 34.7 33.7 50.2

10 to 19 ........................................................ 6.7 7.1 10.5 10.9 34.1 31.9 38.5

20 to 49 ........................................................ 6.6 6.3 9.1 6.9 25.7 22.6 37.4

50 to 99 ........................................................ 8.9 8.9 10.5 9.7 26.1 22.8 35.8

100 to 249 .................................................... 7.2 7.2 12.0 8.9 27.1 26.2 48.8

250 or More ................................................. 6.3 6.2 8.6 10.7 24.2 16.0 60.1

RSEs for Table B26. Water-Heating Energy Sources, Floorspace, 1999

RSEs for Total Floorspace

All Buildings

All Buildings 

with Water 

Heating

Water-Heating Energy Sources Used 

(more than one may apply)

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 323
Electricity Natural Gas Fuel Oil District Heat Propane

RSEs for Table B26. Water-Heating Energy Sources, Floorspace, 1999

RSEs for Total Floorspace

All Buildings

All Buildings 

with Water 

Heating

Water-Heating Energy Sources Used 

(more than one may apply)

Weekly Operating Hours

39 or Fewer ................................................. 9.8 13.8 18.5 15.4 56.2 71.1 59.3

40 to 48 ........................................................ 6.1 6.8 9.1 8.0 25.0 30.2 64.7

49 to 60 ........................................................ 6.1 6.6 8.2 10.1 26.7 13.2 30.9

61 to 84 ........................................................ 6.1 6.0 8.9 8.6 30.6 22.7 45.0

85 to 167 ...................................................... 7.0 7.1 10.7 10.3 35.3 20.3 28.1

Open Continuously ...................................... 5.0 4.9 9.8 7.5 16.2 14.0 32.7

Energy Sources (more than

one may apply)

Electricity ..................................................... 3.5 3.7 5.5 4.4 11.5 10.8 17.3

Natural Gas ................................................. 3.9 3.9 6.4 4.4 19.5 15.4 40.2

Fuel Oil ........................................................ 6.9 6.9 12.6 8.2 11.5 20.1 35.7

District Heat ................................................. 9.9 10.2 20.6 18.7 63.9 10.8 100.1

District Chilled Water ................................... 12.1 12.5 24.1 18.9 85.3 15.9 100.1

Propane ....................................................... 10.9 10.4 15.7 15.4 20.8 46.6 17.3

Other ............................................................ 14.0 13.9 23.0 20.9 51.5 32.4 52.3

Primary Space Heating

Energy Source

Electricity ..................................................... 5.5 5.7 7.0 9.0 36.5 40.8 30.7

Natural Gas ................................................. 4.4 4.6 7.1 4.9 22.7 31.2 0.0

Fuel Oil ........................................................ 12.4 12.8 28.6 19.6 13.8 70.4 44.3

District Heat ................................................. 10.3 10.5 25.8 24.1 100.1 11.3 0.0

Propane ....................................................... 19.5 20.8 30.5 0.0 72.7 0.0 28.7

Other ............................................................ 25.8 23.1 47.0 59.5 100.0 0.0 97.4

Cooking Energy Sources

(more than one may apply)

Electricity ..................................................... 5.2 5.6 8.8 7.6 21.9 21.5 33.3

Natural Gas ................................................. 5.1 5.2 9.9 5.6 27.7 21.6 73.3

Propane ....................................................... 16.8 17.4 21.5 41.4 28.2 84.6 21.9

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 3.5 3.7 5.8 4.4 11.6 10.8 17.9

Buildings with Cooling ................................. 3.8 3.9 5.6 4.8 15.0 10.6 17.8

Buildings with Water Heating ...................... 3.7 3.7 5.5 4.4 11.5 10.8 17.3

Buildings with Cooking ................................ 4.4 4.5 7.6 5.5 17.8 18.0 24.3

Buildings with Manufacturing ....................... 12.7 14.7 16.0 21.2 48.1 58.7 102.6

Buildings with Electricity

 Generation .................................................. 7.4 7.4 11.2 9.3 26.8 18.0 33.0

Water Heating Equipment

Centralized System ..................................... 4.1 4.1 6.1 5.5 14.0 11.4 19.6

Distributed System ...................................... 7.3 7.3 8.9 9.5 54.4 27.0 43.0

Combination of Centralized

 and Distributed System .............................. 5.5 5.5 10.4 5.7 27.0 17.9 48.7

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 324
Electricity

Natural 

Gas Propane Electricity

Natural 

Gas Propane

All Buildings .......................................... 4.2 5.8 8.1 8.2 22.3 3.5 4.4 5.2 5.1 16.8

Building Floorspace

(Square Feet)

1,001 to 5,000 ......................................... 6.8 10.8 16.9 15.7 29.8 6.1 11.3 18.5 15.0 31.6

5,001 to 10,000 ....................................... 6.7 19.4 22.8 26.4 43.7 7.1 19.8 23.5 26.8 42.5

10,001 to 25,000 ..................................... 7.1 14.9 22.7 19.3 46.3 6.8 14.6 22.5 18.4 43.0

25,001 to 50,000 ..................................... 6.9 10.3 13.7 11.6 31.2 6.8 10.6 14.6 11.4 32.5

50,001 to 100,000 ................................... 10.3 10.8 12.1 12.3 29.6 10.2 10.4 12.0 11.6 31.9

100,001 to 200,000 ................................. 6.3 9.8 9.4 13.2 30.5 6.4 9.9 10.0 13.6 31.8

200,001 to 500,000 ................................. 6.5 7.6 10.0 9.1 46.4 6.6 8.0 10.1 9.3 47.0

Over 500,000 ........................................... 10.7 12.3 14.7 13.1 73.8 11.1 12.3 14.4 14.0 67.6

Principal Building Activity

Education ................................................ 12.3 11.5 17.1 14.4 28.3 6.2 7.4 11.2 10.0 30.9

Food Sales .............................................. 17.2 23.7 26.8 37.9 74.8 16.0 19.6 25.7 20.5 75.4

Food Service ........................................... 9.3 9.9 17.1 11.0 29.1 9.7 10.3 17.2 12.5 27.7

Health Care ............................................. 17.6 25.0 17.6 31.9 65.9 7.6 10.0 12.4 12.3 69.7

 Inpatient ................................................. 25.6 27.5 16.2 32.7 65.9 9.9 10.4 13.4 12.5 69.7

 Outpatient .............................................. 19.1 47.0 53.6 76.0 0.0 10.3 48.2 55.5 58.3 0.0

Lodging .................................................... 11.4 22.0 36.6 14.7 56.7 11.0 15.2 17.2 16.7 35.1

Mercantile ................................................ 9.1 15.9 19.0 22.9 28.4 8.8 10.8 11.6 12.8 37.3

 Retail (Other Than Mall) ........................ 10.8 37.5 45.4 52.5 100.4 10.7 19.3 21.9 25.9 100.4

 Enclosed and Strip Malls ....................... 17.7 21.1 26.8 25.8 28.5 10.3 12.2 13.8 13.8 37.7

Office ....................................................... 8.3 10.8 11.1 16.9 71.2 6.9 10.8 10.2 13.7 70.2

Public Assembly ...................................... 13.5 22.6 31.1 33.8 69.5 10.8 15.3 18.4 20.6 36.9

Public Order and Safety .......................... 28.1 49.0 65.2 41.3 80.7 22.2 27.7 32.9 37.2 63.4

Religious Worship ................................... 12.1 27.9 38.6 32.8 79.5 12.0 22.3 33.0 22.0 71.0

Service .................................................... 12.8 77.3 80.3 60.4 0.0 11.8 55.2 56.4 87.3 0.0

Warehouse and Storage ......................... 12.4 67.0 58.8 82.6 0.0 9.4 42.4 62.2 44.8 0.0

Other ....................................................... 22.0 96.0 66.7 75.7 100.4 13.6 51.6 77.4 58.7 100.4

Vacant ..................................................... 14.5 42.7 50.5 52.8 0.0 12.2 44.2 59.1 52.0 0.0

Year Constructed

1919 or Before ......................................... 11.3 20.6 28.2 24.2 60.0 7.2 16.5 24.6 19.9 29.4

1920 to 1945 ........................................... 10.9 21.4 26.4 30.3 43.0 9.0 15.5 21.1 17.8 38.5

1946 to 1959 ........................................... 6.7 16.7 25.3 19.0 38.7 7.7 12.3 13.4 12.7 48.8

1960 to 1969 ........................................... 7.4 15.9 21.5 17.1 68.3 6.2 10.2 11.8 11.7 36.3

1970 to 1979 ........................................... 8.1 13.6 19.3 16.4 37.3 5.8 8.9 11.9 11.3 30.3

1980 to 1989 ........................................... 7.4 16.4 23.7 22.4 33.3 6.1 8.8 11.0 10.3 26.9

1990 to 1999 ........................................... 12.9 19.4 26.6 22.4 29.0 6.3 7.5 9.2 8.9 26.6

Census Region

Northeast ................................................. 8.0 10.5 11.4 24.0 41.2 7.7 9.6 12.2 11.1 22.6

Midwest ................................................... 9.7 17.3 20.8 21.5 46.7 5.0 7.9 11.2 8.1 38.5

South ....................................................... 5.6 8.8 13.2 13.6 41.5 5.3 7.7 9.2 8.4 31.4

West ........................................................ 10.8 14.5 18.8 15.2 49.8 6.0 9.1 9.7 13.4 34.2

Workers (main shift)

Fewer than 5 ........................................... 6.0 12.9 17.2 19.9 41.6 6.3 17.2 22.8 23.6 50.9

5 to 9 ....................................................... 7.9 16.7 27.1 18.5 36.4 7.6 14.1 25.0 18.9 36.8

10 to 19 ................................................... 7.6 11.2 18.2 14.3 40.3 6.7 14.4 16.8 18.2 28.5

20 to 49 ................................................... 9.0 10.7 14.5 15.1 38.3 6.6 7.1 9.5 8.8 25.9

50 to 99 ................................................... 10.7 13.3 12.1 18.4 33.6 8.9 10.7 12.2 13.6 34.9

100 to 249 ............................................... 11.7 9.3 9.7 10.9 30.7 7.2 10.0 11.8 10.5 34.3

250 or More ............................................. 8.6 8.6 8.3 10.6 40.0 6.3 8.1 9.2 10.5 45.5

All 

Buildings

All 

Buildings 

with 

Cooking

RSEs for Table B27. Cooking Energy Sources, Number of Buildings and Floorspace, 1999

Cooking Energy Sources (more 

than one may apply)

Cooking Energy Sources (more 

than one may apply)

RSEs for Number of Buildings RSEs forTotal Floorspace

All 

Buildings

All 

Buildings 

with 

Cooking

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 325
Electricity

Natural 

Gas Propane Electricity

Natural 

Gas Propane

All 

Buildings

All 

Buildings 

with 

Cooking

RSEs for Table B27. Cooking Energy Sources, Number of Buildings and Floorspace, 1999

Cooking Energy Sources (more 

than one may apply)

Cooking Energy Sources (more 

than one may apply)

RSEs for Number of Buildings RSEs forTotal Floorspace

All 

Buildings

All 

Buildings 

with 

Cooking

Weekly Operating Hours

39 or Fewer ............................................. 10.3 22.0 23.6 35.9 42.5 9.8 20.6 34.5 18.7 42.4

40 to 48 ................................................... 5.9 14.5 19.3 20.0 52.5 6.1 10.4 14.4 12.1 46.6

49 to 60 ................................................... 8.2 14.9 25.6 18.4 41.7 6.1 11.2 13.0 13.1 31.5

61 to 84 ................................................... 9.6 15.7 17.9 19.2 40.9 6.1 8.6 9.5 10.5 27.6

85 to 167 ................................................. 7.7 12.9 18.5 14.6 41.2 7.0 8.9 12.7 10.3 30.4

Open Continuously .................................. 10.4 15.5 22.6 17.7 36.2 5.0 7.2 8.6 9.0 27.3

Energy Sources (more than

one may apply)

Electricity ................................................. 4.1 5.8 8.1 8.2 22.3 3.5 4.4 5.2 5.1 16.8

Natural Gas ............................................. 4.8 7.4 10.6 8.2 40.6 3.9 4.8 5.8 5.1 32.7

Fuel Oil .................................................... 16.7 18.5 25.1 23.0 44.6 6.9 7.7 7.8 8.0 26.6

District Heat ............................................. 15.5 29.9 33.4 51.8 98.7 9.9 15.5 17.7 19.2 84.6

District Chilled Water .............................. 27.2 21.3 26.3 30.9 100.5 12.1 20.0 21.1 23.1 100.5

Propane ................................................... 15.0 16.1 18.3 25.3 22.3 10.9 13.7 16.5 14.4 16.8

Other ....................................................... 18.8 27.1 38.4 32.3 52.5 14.0 18.2 23.1 20.6 38.8

Water Heating Energy Sources

(more than one may apply)

Electricity ................................................. 6.0 13.5 16.5 18.9 31.4 5.5 7.6 8.8 9.9 21.5

Natural Gas ............................................. 6.1 9.1 13.6 9.4 57.9 4.4 5.5 7.6 5.6 41.4

Fuel Oil .................................................... 20.3 31.1 40.6 39.0 43.2 11.5 17.8 21.9 27.7 28.2

District Heat ............................................. 17.3 36.0 46.3 28.0 98.7 10.8 18.0 21.5 21.6 84.6

Propane ................................................... 18.9 18.3 23.1 72.6 29.2 17.3 24.3 33.3 73.3 21.9

Energy End Uses (more than

one may apply)

Buildings with Space Heating .................. 4.2 6.3 8.8 8.2 23.5 3.5 4.4 5.1 5.1 17.6

Buildings with Cooling ............................. 3.9 6.1 8.3 8.4 23.1 3.8 4.3 5.1 5.3 17.8

Buildings with Water Heating .................. 4.4 6.3 9.5 8.2 22.5 3.7 4.5 5.6 5.2 17.4

Buildings with Cooking ............................ 5.8 5.8 8.1 8.2 22.3 4.4 4.4 5.2 5.1 16.8

Buildings with Manufacturing ................... 16.7 55.6 65.7 42.8 100.0 12.7 30.2 39.9 39.6 100.0

Buildings with Electricity

 Generation .............................................. 14.2 15.5 21.5 19.1 40.8 7.4 8.3 8.9 8.8 31.8

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 326
All

Buildings

Not 

Heated

1 to 50 

Percent 

Heated

51 to 99 

Percent 

Heated

100 

Percent 

Heated

All 

Buildings

Not 

Heated

1 to 50 

Percent 

Heated

51 to 99 

Percent 

Heated

100 

Percent 

Heated

All Buildings ............................................... 4.2 10.5 10.9 8.2 4.8 3.5 11.3 8.0 7.1 4.0

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 13.2 17.8 13.0 7.9 6.1 14.6 19.4 12.9 8.1

5,001 to 10,000 ............................................ 6.7 15.8 18.9 16.5 9.1 7.1 16.7 19.6 16.9 9.6

10,001 to 25,000 .......................................... 7.1 23.6 19.2 15.0 9.2 6.8 23.4 18.6 15.3 8.9

25,001 to 50,000 .......................................... 6.9 18.2 14.9 14.1 8.0 6.8 19.1 14.7 14.7 7.7

50,001 to 100,000 ........................................ 10.3 29.3 22.5 20.3 9.4 10.2 29.0 22.0 20.6 9.3

100,001 to 200,000 ...................................... 6.3 27.2 23.7 18.2 7.5 6.4 29.4 23.7 19.6 7.6

200,001 to 500,000 ...................................... 6.5 33.3 23.0 16.6 7.1 6.6 30.5 22.7 16.6 7.4

Over 500,000 ............................................... 10.7 63.2 32.6 15.9 12.0 11.1 65.1 33.2 18.4 11.7

Principal Building Activity

Education .................................................... 12.3 57.5 58.4 28.6 13.7 6.2 61.4 46.2 19.1 6.8

Food Sales .................................................. 17.2 36.0 80.8 27.2 24.6 16.0 35.2 78.2 20.2 19.4

Food Service ............................................... 9.3 28.2 36.6 21.2 13.6 9.7 38.3 42.7 20.9 15.2

Health Care ................................................. 17.6 0.0 62.9 44.1 21.5 7.6 0.0 49.6 27.0 6.8

 Inpatient ..................................................... 25.6 0.0 75.7 34.9 29.1 9.9 0.0 70.5 28.8 9.1

 Outpatient .................................................. 19.1 0.0 63.8 46.9 23.9 10.3 0.0 61.8 33.6 12.4

Lodging ........................................................ 11.4 50.9 43.0 35.2 12.9 11.0 56.6 30.2 25.3 10.4

Mercantile .................................................... 9.1 35.7 24.3 16.6 11.2 8.8 38.3 20.7 15.8 9.6

 Retail (Other Than Mall) ............................ 10.8 40.4 25.4 18.0 13.5 10.7 36.4 24.3 20.1 10.7

 Enclosed and Strip Malls ........................... 17.7 67.3 50.4 20.0 19.5 10.3 52.1 31.5 22.2 10.8

Office ........................................................... 8.3 69.5 40.0 21.0 9.9 6.9 42.4 20.6 12.1 7.2

Public Assembly .......................................... 13.5 40.9 44.8 31.9 15.9 10.8 33.9 34.9 24.9 12.0

Public Order and Safety .............................. 28.1 82.1 76.1 52.7 33.7 22.2 99.5 54.0 36.5 23.1

Religious Worship ....................................... 12.1 59.7 58.5 31.4 15.8 12.0 65.7 40.8 31.8 15.3

Service ........................................................ 12.8 32.8 29.9 23.8 16.3 11.8 32.3 27.9 24.2 14.9

Warehouse and Storage ............................. 12.4 18.6 17.3 37.2 17.1 9.4 17.4 12.1 20.8 11.1

Other ............................................................ 22.0 51.1 67.6 58.1 30.4 13.6 35.2 56.2 41.7 19.7

Vacant ......................................................... 14.5 17.3 50.7 71.8 29.1 12.2 15.9 39.0 49.9 21.8

Year Constructed

1919 or Before ............................................. 11.3 27.1 27.5 23.4 16.2 7.2 27.4 27.4 21.1 10.8

1920 to 1945 ................................................ 10.9 27.8 25.3 16.3 12.9 9.0 27.7 21.7 15.0 10.9

1946 to 1959 ................................................ 6.7 25.7 24.8 23.0 8.5 7.7 20.6 15.6 16.1 9.5

1960 to 1969 ................................................ 7.4 23.3 19.2 20.7 9.2 6.2 16.9 14.5 17.9 6.7

1970 to 1979 ................................................ 8.1 24.7 22.2 23.3 9.4 5.8 22.2 17.9 15.2 7.6

1980 to 1989 ................................................ 7.4 19.1 17.9 16.1 9.9 6.1 23.8 18.8 9.4 7.5

1990 to 1999 ................................................ 12.9 40.1 33.3 25.9 13.8 6.3 26.9 15.8 12.3 7.2

Floors

One .............................................................. 5.4 12.2 14.0 10.7 5.9 4.9 13.7 11.6 9.2 5.6

Two .............................................................. 7.4 20.0 19.0 18.5 9.9 6.1 20.4 15.6 14.4 7.7

Three ........................................................... 9.0 39.4 39.9 16.0 14.1 7.4 27.4 24.8 15.0 8.7

Four to Nine ................................................. 9.8 61.6 42.0 18.9 11.8 5.7 37.9 20.3 15.9 6.2

Ten or More ................................................. 12.7 52.7 39.8 19.6 11.9 10.7 48.6 35.3 16.1 11.3

Census Region

Northeast ..................................................... 8.0 25.7 27.4 22.9 7.4 7.7 32.0 22.0 16.2 8.5

Midwest ....................................................... 9.7 24.7 18.1 15.8 12.7 5.0 22.1 16.8 17.6 6.3

South ........................................................... 5.6 14.9 14.3 13.6 6.8 5.3 16.5 9.5 9.9 6.4

West ............................................................ 10.8 24.8 22.4 13.9 13.7 6.0 16.3 17.6 15.4 9.9

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ................................ 19.0 41.6 24.1 20.1 20.7 10.5 36.3 18.3 16.3 11.0

 5,500-7,000 HDD ...................................... 7.0 24.7 31.3 20.5 7.5 7.1 24.4 21.0 18.4 7.0

 4,000-5,499 HDD ...................................... 16.8 34.3 29.6 22.9 16.4 9.1 29.7 20.8 13.0 9.4

 Fewer than 4,000 HDD .............................. 10.9 21.4 23.5 15.8 11.8 8.9 18.4 18.6 15.1 9.9

2,000 CDD or More and --

 Fewer than 4,000 HDD .............................. 11.1 17.5 19.1 22.6 14.9 9.4 19.9 15.3 16.4 10.3

RSEs for Table B28. Percent of Floorspace Heated, Number of Buildings and 

Floorspace, 1999

RSEs for Number of Buildings RSEs for Total Floorspace

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 327
All

Buildings

Not 

Heated

1 to 50 

Percent 

Heated

51 to 99 

Percent 

Heated

100 

Percent 

Heated

All 

Buildings

Not 

Heated

1 to 50 

Percent 

Heated

51 to 99 

Percent 

Heated

100 

Percent 

Heated

RSEs for Table B28. Percent of Floorspace Heated, Number of Buildings and 

Floorspace, 1999

RSEs for Number of Buildings RSEs for Total Floorspace

Workers (main shift)

Fewer than 5 ................................................ 6.0 10.8 12.1 12.5 7.6 6.3 10.8 15.0 15.9 8.9

5 to 9 ............................................................ 7.9 38.6 24.2 16.7 10.1 7.6 35.5 18.5 19.0 9.8

10 to 19 ........................................................ 7.6 30.7 26.8 18.7 10.0 6.7 23.0 18.7 16.3 9.3

20 to 49 ........................................................ 9.0 38.3 15.4 25.2 10.0 6.6 33.0 17.2 17.9 7.4

50 to 99 ........................................................ 10.7 31.6 40.3 16.4 12.0 8.9 33.1 22.8 17.3 9.3

100 to 249 .................................................... 11.7 65.2 23.6 18.0 11.7 7.2 30.4 25.3 16.7 7.6

250 or More ................................................. 8.6 35.7 26.7 15.0 9.5 6.3 43.7 27.7 14.5 6.3

Weekly Operating Hours

39 or Fewer ................................................. 10.3 13.4 26.2 22.2 13.8 9.8 12.3 26.0 25.9 12.8

40 to 48 ........................................................ 5.9 35.3 14.1 13.7 6.7 6.1 27.7 13.2 13.1 7.3

49 to 60 ........................................................ 8.2 30.9 18.6 17.3 10.3 6.1 28.2 14.5 13.5 7.0

61 to 84 ........................................................ 9.6 31.7 33.7 17.8 11.8 6.1 30.0 22.5 14.5 7.4

85 to 167 ...................................................... 7.7 30.8 35.1 25.1 7.9 7.0 30.9 20.8 18.2 7.2

Open Continuously ...................................... 10.4 31.9 42.1 24.2 11.5 5.0 23.8 20.3 13.0 4.9

Vacancy Status

Completely Vacant ...................................... 20.7 21.2 97.9 96.8 52.0 14.5 16.0 86.5 93.0 40.2

Mostly Vacant .............................................. 22.9 33.1 57.9 57.9 34.1 20.0 32.9 43.8 58.7 25.8

Partially Vacant ............................................ 7.3 18.4 24.1 15.6 11.3 6.2 19.6 15.9 12.1 7.7

Not At All Vacant ......................................... 4.4 14.3 12.1 8.8 5.2 3.4 15.3 9.7 7.6 4.2

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 13.4 11.1 8.3 4.8 3.5 13.5 8.1 7.1 4.0

Natural Gas ................................................. 4.8 26.2 13.9 8.4 6.1 3.9 24.5 8.7 8.0 4.3

Fuel Oil ........................................................ 16.7 39.9 33.9 30.2 16.6 6.9 34.5 21.2 12.0 7.8

District Heat ................................................. 15.5 58.7 81.4 39.2 18.3 9.9 60.3 56.3 24.1 9.7

District Chilled Water ................................... 27.2 98.0 56.8 33.6 30.4 12.1 82.2 51.9 28.1 12.8

Propane ....................................................... 15.0 50.2 27.7 28.6 16.5 10.9 39.0 19.4 22.0 12.9

Other ............................................................ 18.8 84.6 44.1 43.9 22.8 14.0 71.6 31.1 28.1 16.6

Space-Heating Energy Sources

(more than one may apply)

Electricity ..................................................... 5.1 0.0 13.3 14.3 5.6 4.1 0.0 9.8 9.4 4.5

Natural Gas ................................................. 5.4 103.3 14.5 9.0 6.8 4.2 103.3 9.0 8.8 4.9

Fuel Oil ........................................................ 19.2 0.0 36.2 34.4 19.1 10.7 0.0 34.7 16.0 12.0

District Heat ................................................. 16.5 0.0 74.3 41.4 19.4 9.9 0.0 40.6 24.9 9.8

Propane ....................................................... 18.3 0.0 34.9 38.1 19.5 18.0 0.0 35.1 36.0 20.1

Other ............................................................ 25.8 0.0 49.7 54.0 33.6 21.5 0.0 44.2 49.0 26.9

Primary Space-Heating

Energy Source

Electricity ..................................................... 7.1 0.0 16.6 18.2 8.0 5.5 0.0 13.7 11.8 6.3

Natural Gas ................................................. 6.0 0.0 14.2 9.2 7.4 4.4 0.0 8.9 9.2 5.2

Fuel Oil ........................................................ 18.8 0.0 43.5 39.1 18.1 12.5 0.0 39.5 29.9 13.4

District Heat ................................................. 16.2 0.0 74.9 43.8 16.3 10.3 0.0 43.6 26.1 10.3

Propane ....................................................... 19.1 0.0 41.9 39.0 20.2 19.5 0.0 46.2 41.2 21.8

Other ............................................................ 32.6 0.0 56.0 78.2 51.8 25.8 0.0 54.5 46.3 42.2

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 0.0 10.9 8.2 4.8 3.5 0.0 8.0 7.1 4.0

Buildings with Cooling ................................. 3.9 19.9 11.9 9.6 4.5 3.8 20.8 8.6 7.7 4.2

Buildings with Water Heating ...................... 4.4 20.3 12.7 9.0 5.3 3.7 17.8 8.5 7.6 4.1

Buildings with Cooking ................................ 5.8 24.3 26.2 12.8 7.8 4.4 27.8 15.9 10.2 4.9

Buildings with Manufacturing ....................... 16.7 84.5 31.7 37.8 21.4 12.7 62.2 24.5 25.1 14.4

Buildings with Electricity

 Generation .................................................. 14.2 33.1 61.7 28.4 16.8 7.4 34.0 20.6 13.7 8.3

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 328
All

Buildings

Not 

Heated

1 to 50 

Percent 

Heated

51 to 99 

Percent 

Heated

100 

Percent 

Heated

All 

Buildings

Not 

Heated

1 to 50 

Percent 

Heated

51 to 99 

Percent 

Heated

100 

Percent 

Heated

RSEs for Table B28. Percent of Floorspace Heated, Number of Buildings and 

Floorspace, 1999

RSEs for Number of Buildings RSEs for Total Floorspace

Percent of Floorspace Cooled

Not Cooled .................................................. 10.4 13.0 25.7 25.8 14.2 8.8 11.4 23.1 20.5 13.7

1 to 50 .......................................................... 9.1 31.9 13.3 17.4 12.7 6.9 32.2 9.9 12.8 8.4

51 to 99 ........................................................ 6.9 31.6 46.1 9.5 11.5 4.5 29.9 28.5 7.8 5.7

100 ............................................................... 4.5 29.8 38.0 31.3 4.8 5.2 26.3 23.9 20.9 4.8

Percent Lit When Open

Zero ............................................................. 49.1 58.6 75.3 0.0 80.8 32.5 41.0 75.0 0.0 57.3

1 to 50 .......................................................... 9.0 23.3 15.0 18.7 11.5 8.1 27.6 13.0 17.5 9.4

51 to 99 ........................................................ 6.4 25.1 22.2 11.8 8.4 4.9 26.1 16.5 9.4 5.4

100 ............................................................... 5.8 29.1 17.6 14.8 6.3 4.2 20.2 9.6 10.5 5.0

Building Never Open/

 Electricity Not Used .................................... 13.0 14.7 48.4 87.6 22.0 12.9 13.9 36.7 69.1 19.7

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 10.5 0.0 29.1 19.7 11.6 6.3 0.0 16.4 12.8 8.0

Furnaces ...................................................... 7.4 0.0 19.0 11.0 8.8 5.5 0.0 12.4 11.2 6.6

Individual Space Heaters ............................ 6.7 0.0 17.4 14.9 8.0 5.0 0.0 10.4 11.5 6.1

District Heat ................................................. 16.5 0.0 74.3 41.4 19.4 9.9 0.0 40.6 24.9 9.8

Boilers ......................................................... 7.9 0.0 26.8 19.1 9.1 5.6 0.0 19.0 11.6 6.5

Packaged Heating Units .............................. 6.3 0.0 20.7 15.9 7.2 4.8 0.0 11.1 11.5 5.4

Other ............................................................ 15.1 0.0 33.4 31.8 17.9 7.9 0.0 27.6 17.6 9.1

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 6.5 24.0 16.8 12.7 7.6 4.5 22.1 9.7 9.8 4.8

Tinted, Reflective, or

 Shading Glass ............................................ 5.7 26.3 21.0 14.7 6.9 4.8 20.1 15.0 9.1 5.6

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ....................... 9.8 48.0 30.7 24.6 10.4 5.4 29.5 14.8 11.3 5.9

Economizer Cycle ........................................ 8.2 66.8 24.7 23.1 9.4 5.2 33.6 18.3 11.0 5.5

HVAC Maintenance ..................................... 4.8 29.0 12.1 9.4 5.8 3.9 24.3 8.1 7.7 4.5

Energy Management and

 Control System (EMCS) ............................. 10.3 48.0 39.2 13.8 10.7 5.4 27.1 18.0 10.2 5.6

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 5.0 0.0 12.3 8.6 5.4 4.0 0.0 8.0 8.1 4.6

Cooling ........................................................ 4.3 23.9 13.7 9.6 5.3 4.4 26.4 8.8 9.0 4.8

Lighting ........................................................ 4.4 18.3 11.6 9.0 5.2 4.0 17.0 8.8 8.0 4.6

Office Equipment ......................................... 8.5 57.0 20.2 28.2 9.4 6.1 46.1 21.5 14.8 6.0

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 329
All 

Buildings

Not 

Cooled

1 to 50 

Percent 

Cooled

51 to 99 

Percent 

Cooled

100 

Percent 

Cooled

All

Buildings

Not 

Cooled

1 to 50 

Percent 

Cooled

51 to 99 

Percent 

Cooled

100 

Percent 

Cooled

All Buildings ............................................... 4.2 10.4 9.1 6.9 4.5 3.5 8.8 6.9 4.5 5.2

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 13.7 12.6 10.0 7.3 6.1 13.3 13.3 9.3 7.7

5,001 to 10,000 ............................................ 6.7 13.3 16.3 17.3 11.6 7.1 14.1 16.6 17.5 12.1

10,001 to 25,000 .......................................... 7.1 19.4 14.8 15.1 8.9 6.8 19.3 14.2 14.2 8.6

25,001 to 50,000 .......................................... 6.9 16.1 11.3 13.0 10.5 6.8 15.2 11.5 13.8 10.0

50,001 to 100,000 ........................................ 10.3 19.3 15.0 14.4 10.7 10.2 19.4 14.3 14.6 10.7

100,001 to 200,000 ...................................... 6.3 32.9 14.4 10.4 9.1 6.4 34.5 13.9 10.3 9.5

200,001 to 500,000 ...................................... 6.5 33.1 12.9 10.4 12.3 6.6 29.8 14.1 10.6 13.3

Over 500,000 ............................................... 10.7 49.8 21.1 12.4 24.1 11.1 46.7 21.1 12.9 23.6

Principal Building Activity

Education .................................................... 12.3 32.3 20.9 20.7 14.3 6.2 26.7 13.0 12.5 8.7

Food Sales .................................................. 17.2 76.8 50.2 31.2 25.0 16.0 55.7 53.7 26.7 16.3

Food Service ............................................... 9.3 29.1 24.0 18.5 14.8 9.7 28.8 29.0 18.6 15.5

Health Care ................................................. 17.6 84.3 44.2 37.5 20.5 7.6 85.6 37.7 12.7 9.9

 Inpatient ..................................................... 25.6 84.3 89.8 14.2 19.0 9.9 85.6 60.2 11.7 16.7

 Outpatient .................................................. 19.1 0.0 49.1 42.5 21.9 10.3 0.0 47.8 25.6 15.2

Lodging ........................................................ 11.4 35.8 30.9 26.0 16.4 11.0 26.9 28.4 19.4 14.5

Mercantile .................................................... 9.1 36.2 18.6 14.9 14.9 8.8 28.9 19.2 11.9 10.4

 Retail (Other Than Mall) ............................ 10.8 37.1 20.6 17.6 18.2 10.7 31.9 20.1 17.4 11.4

 Enclosed and Strip Malls ........................... 17.7 57.6 43.5 30.0 19.9 10.3 47.6 37.4 13.9 13.1

Office ........................................................... 8.3 45.1 22.1 16.1 10.1 6.9 34.9 17.1 9.0 8.1

Public Assembly .......................................... 13.5 31.1 31.5 30.2 17.2 10.8 28.6 22.7 19.6 12.4

Public Order and Safety .............................. 28.1 42.7 36.1 31.3 23.7 22.2 50.4 33.6 30.4 23.9

Religious Worship ....................................... 12.1 26.5 26.1 33.9 18.8 12.0 29.1 24.1 30.7 19.7

Service ........................................................ 12.8 19.8 20.1 39.7 22.0 11.8 21.0 18.2 33.3 27.3

Warehouse and Storage ............................. 12.4 19.7 14.9 50.9 35.3 9.4 15.6 10.8 24.9 26.4

Other ............................................................ 22.0 42.7 45.7 49.1 41.1 13.6 37.5 28.1 30.8 23.7

Vacant ......................................................... 14.5 15.7 37.3 63.4 58.5 12.2 14.0 37.0 48.8 42.0

Year Constructed

1919 or Before ............................................. 11.3 21.3 18.4 24.1 25.4 7.2 19.5 16.8 18.3 15.6

1920 to 1945 ................................................ 10.9 18.8 20.1 18.1 20.3 9.0 20.6 16.4 13.6 18.3

1946 to 1959 ................................................ 6.7 17.1 13.4 21.6 10.9 7.7 14.9 12.1 11.5 11.8

1960 to 1969 ................................................ 7.4 20.3 17.5 17.2 11.3 6.2 15.7 10.7 10.8 8.9

1970 to 1979 ................................................ 8.1 15.3 14.9 16.7 10.6 5.8 18.5 11.3 10.5 9.4

1980 to 1989 ................................................ 7.4 18.4 19.2 14.1 9.6 6.1 19.2 15.5 8.1 8.4

1990 to 1999 ................................................ 12.9 31.4 23.1 21.7 16.0 6.3 21.9 12.1 9.8 7.9

Floors

One .............................................................. 5.4 11.9 12.2 10.2 5.5 4.9 10.6 8.7 10.5 5.9

Two .............................................................. 7.4 18.3 13.5 14.4 11.5 6.1 20.6 10.6 10.5 9.0

Three ........................................................... 9.0 21.0 16.4 15.8 19.0 7.4 16.0 12.2 13.5 11.6

Four to Nine ................................................. 9.8 38.1 23.6 19.6 17.4 5.7 24.5 15.2 9.1 10.4

Ten or More ................................................. 12.7 53.6 38.6 15.9 15.2 10.7 54.6 34.2 12.2 19.1

Census Region

Northeast ..................................................... 8.0 20.1 23.9 17.3 15.2 7.7 22.9 15.2 10.8 14.5

Midwest ....................................................... 9.7 21.3 10.8 12.0 14.0 5.0 18.2 9.1 7.4 8.8

South ........................................................... 5.6 17.5 14.8 11.4 7.7 5.3 12.3 11.5 7.7 7.6

West ............................................................ 10.8 20.7 18.3 15.5 9.0 6.0 14.9 14.6 12.2 7.0

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ................................ 19.0 35.9 21.1 15.1 27.5 10.5 31.6 13.0 9.8 16.7

 5,500-7,000 HDD ...................................... 7.0 18.3 18.7 14.4 13.4 7.1 17.3 14.0 10.0 10.1

 4,000-5,499 HDD ...................................... 16.8 28.5 20.6 20.4 13.8 9.1 22.4 12.7 10.3 9.6

 Fewer than 4,000 HDD .............................. 10.9 22.7 21.2 18.0 10.8 8.9 16.1 16.4 13.1 10.6

2,000 CDD or More and --

 Fewer than 4,000 HDD .............................. 11.1 22.6 22.2 16.5 13.7 9.4 23.9 17.1 12.3 10.9

RSEs for Table B29. Percent of Floorspace Cooled, Number of Buildings and Floorspace, 

1999

RSEs for Number of Buildings RSEs for Total Floorspace

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 330
All 

Buildings

Not 

Cooled

1 to 50 

Percent 

Cooled

51 to 99 

Percent 

Cooled

100 

Percent 

Cooled

All

Buildings

Not 

Cooled

1 to 50 

Percent 

Cooled

51 to 99 

Percent 

Cooled

100 

Percent 

Cooled

RSEs for Table B29. Percent of Floorspace Cooled, Number of Buildings and Floorspace, 

1999

RSEs for Number of Buildings RSEs for Total Floorspace

Workers (main shift)

Fewer than 5 ................................................ 6.0 10.4 11.4 12.3 9.1 6.3 9.4 12.1 14.5 8.8

5 to 9 ............................................................ 7.9 18.1 16.8 17.3 11.1 7.6 16.5 13.4 19.6 11.5

10 to 19 ........................................................ 7.6 36.2 19.6 16.5 11.8 6.7 26.9 15.2 15.2 10.7

20 to 49 ........................................................ 9.0 26.1 19.8 19.3 13.2 6.6 22.9 12.9 12.4 9.4

50 to 99 ........................................................ 10.7 28.0 20.5 19.6 13.0 8.9 26.8 14.9 11.2 12.5

100 to 249 .................................................... 11.7 38.2 33.4 22.3 9.4 7.2 42.2 12.6 11.3 9.2

250 or More ................................................. 8.6 48.2 18.1 10.0 11.1 6.3 45.1 15.6 8.7 9.6

Weekly Operating Hours

39 or Fewer ................................................. 10.3 12.8 24.7 29.3 16.5 9.8 11.8 20.9 25.0 16.3

40 to 48 ........................................................ 5.9 20.7 12.7 15.1 7.9 6.1 16.5 10.9 11.8 7.3

49 to 60 ........................................................ 8.2 27.0 12.4 13.9 13.8 6.1 17.9 9.9 8.6 9.3

61 to 84 ........................................................ 9.6 24.5 18.8 17.6 11.9 6.1 20.5 12.8 9.5 10.5

85 to 167 ...................................................... 7.7 35.8 15.6 20.5 9.9 7.0 33.9 12.7 11.6 8.2

Open Continuously ...................................... 10.4 20.8 21.7 20.3 13.9 5.0 18.6 13.3 9.7 8.3

Vacancy Status

Completely Vacant ...................................... 20.7 21.7 93.3 87.5 84.9 14.5 14.9 98.1 78.1 57.0

Mostly Vacant .............................................. 22.9 26.5 34.6 91.0 80.8 20.0 25.0 34.8 62.6 53.7

Partially Vacant ............................................ 7.3 21.6 18.1 15.8 13.4 6.2 14.2 14.0 7.6 11.0

Not At All Vacant ......................................... 4.4 12.1 9.6 7.5 5.1 3.4 11.6 7.3 5.7 4.5

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 11.2 9.1 6.9 4.5 3.5 9.7 6.9 4.5 5.2

Natural Gas ................................................. 4.8 14.8 9.1 8.2 6.2 3.9 11.2 6.9 5.2 6.0

Fuel Oil ........................................................ 16.7 25.6 26.7 23.6 30.0 6.9 21.9 12.4 8.6 13.5

District Heat ................................................. 15.5 39.2 21.3 28.8 24.7 9.9 30.4 21.9 14.8 11.2

District Chilled Water ................................... 27.2 0.0 37.2 27.7 32.8 12.1 0.0 31.6 18.3 14.1

Propane ....................................................... 15.0 27.0 26.2 25.5 21.9 10.9 27.1 12.6 17.4 21.2

Other ............................................................ 18.8 30.7 43.6 44.4 35.5 14.0 30.8 29.3 22.5 19.4

Cooling Energy Sources

(more than one may apply)

Electricity ..................................................... 4.0 0.0 9.2 7.3 4.7 4.0 0.0 7.1 4.9 5.4

Natural Gas ................................................. 18.3 0.0 33.4 42.6 25.5 12.2 0.0 22.8 16.8 22.2

District Chilled Water ................................... 27.2 0.0 37.2 27.7 32.8 12.1 0.0 31.6 18.3 14.1

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 12.9 9.3 7.1 4.7 3.5 11.0 6.7 4.6 5.0

Buildings with Cooling ................................. 3.9 0.0 9.1 6.9 4.5 3.8 0.0 6.9 4.5 5.2

Buildings with Water Heating ...................... 4.4 14.4 10.2 7.2 5.2 3.7 11.2 6.9 4.7 5.5

Buildings with Cooking ................................ 5.8 22.1 14.3 13.3 8.8 4.4 22.5 10.3 5.3 7.6

Buildings with Manufacturing ....................... 16.7 45.8 22.9 53.0 31.2 12.7 30.7 18.8 24.9 19.9

Buildings with Electricity

 Generation .................................................. 14.2 48.2 38.4 19.4 18.3 7.4 37.8 15.3 8.9 11.8

Percent of Floorspace Heated

Not Heated .................................................. 10.5 13.0 31.9 31.6 29.8 11.3 11.4 32.2 29.9 26.3

1 to 50 .......................................................... 10.9 25.7 13.3 46.1 38.0 8.0 23.1 9.9 28.5 23.9

51 to 99 ........................................................ 8.2 25.8 17.4 9.5 31.3 7.1 20.5 12.8 7.8 20.9

100 ............................................................... 4.8 14.2 12.7 11.5 4.8 4.0 13.7 8.4 5.7 4.8

Percent Lit When Open

Zero ............................................................. 49.1 58.2 85.1 0.0 99.3 32.5 38.9 57.5 0.0 99.3

1 to 50 .......................................................... 9.0 18.9 13.1 18.6 18.2 8.1 18.1 12.2 16.9 13.9

51 to 99 ........................................................ 6.4 17.2 13.3 9.7 9.5 4.9 15.9 8.9 6.4 7.1

100 ............................................................... 5.8 14.9 16.3 10.8 6.8 4.2 13.4 8.5 7.1 6.1

Building Never Open/

 Electricity Not Used ........ 13.0 13.5 44.4 76.6 38.5 12.9 12.9 47.2 57.6 47.2

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 331
All 

Buildings

Not 

Cooled

1 to 50 

Percent 

Cooled

51 to 99 

Percent 

Cooled

100 

Percent 

Cooled

All

Buildings

Not 

Cooled

1 to 50 

Percent 

Cooled

51 to 99 

Percent 

Cooled

100 

Percent 

Cooled

RSEs for Table B29. Percent of Floorspace Cooled, Number of Buildings and Floorspace, 

1999

RSEs for Number of Buildings RSEs for Total Floorspace

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 10.3 0.0 13.9 15.9 16.5 6.8 0.0 10.7 9.0 11.2

Heat Pumps ................................................. 10.4 0.0 22.3 15.1 12.6 6.5 0.0 13.7 9.2 8.8

Individual Air Conditioners ........................... 8.0 0.0 12.5 13.8 12.8 5.9 0.0 9.8 10.5 9.6

District Chilled Water ................................... 27.2 0.0 37.2 27.7 32.8 12.1 0.0 31.6 18.3 14.1

Central Chillers ............................................ 14.5 0.0 61.8 12.9 15.2 6.0 0.0 16.5 6.9 9.9

Packaged Air Conditioning

 Units ........................................................... 4.7 0.0 11.1 10.3 6.4 4.0 0.0 7.4 6.2 5.8

Swamp Coolers ........................................... 17.0 0.0 28.9 36.8 21.7 17.5 0.0 23.9 36.7 21.0

Other ............................................................ 29.6 0.0 54.9 43.2 53.6 16.3 0.0 27.8 22.3 28.5

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 6.5 19.4 12.2 10.1 7.2 4.5 15.6 8.3 5.4 6.8

Tinted, Reflective, or

 Shading Glass ............................................ 5.7 20.0 15.4 12.4 7.2 4.8 15.7 8.8 6.1 6.9

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ....................... 9.8 55.7 23.3 18.8 11.1 5.4 25.3 10.7 6.9 8.1

Economizer Cycle ........................................ 8.2 0.0 21.8 15.1 10.3 5.2 0.0 9.3 6.2 8.2

HVAC Maintenance ..................................... 4.8 15.1 10.5 8.4 5.2 3.9 13.3 7.0 5.0 5.6

Energy Management and

 Control System (EMCS) ............................. 10.3 31.0 22.0 13.9 13.0 5.4 26.5 9.7 5.5 9.5

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 5.0 16.0 10.1 7.1 7.0 4.0 12.2 7.4 5.7 5.8

Cooling ........................................................ 4.3 0.0 10.4 6.7 6.2 4.4 0.0 7.7 5.8 6.0

Lighting ........................................................ 4.4 11.6 10.2 7.6 5.0 4.0 11.0 7.7 5.3 5.2

Office Equipment ......................................... 8.5 34.4 18.4 19.4 13.0 6.1 26.6 12.7 11.6 9.0

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 332
All

Buildings Not Lit

1 to 50 

Percent

Lit

51 to 99 

Percent

Lit

100 

Percent

Lit

All

Buildings Not Lit

1 to 50 

Percent

Lit

51 to 99 

Percent 

Lit

100 

Percent

Lit

All Buildings ............................................... 4.2 12.5 9.0 6.4 5.8 3.5 12.3 8.1 4.9 4.2

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 16.1 13.1 10.0 9.1 6.1 16.1 13.3 10.2 9.6

5,001 to 10,000 ............................................ 6.7 20.8 13.4 11.6 11.6 7.1 22.2 14.1 12.3 12.2

10,001 to 25,000 .......................................... 7.1 32.2 17.2 12.1 8.7 6.8 33.4 16.6 11.5 8.0

25,001 to 50,000 .......................................... 6.9 24.0 14.4 9.7 8.4 6.8 22.6 14.6 9.6 8.3

50,001 to 100,000 ........................................ 10.3 33.6 19.7 13.9 10.5 10.2 33.7 19.6 14.0 10.3

100,001 to 200,000 ...................................... 6.3 41.5 22.5 9.7 7.9 6.4 39.3 23.3 9.6 7.8

200,001 to 500,000 ...................................... 6.5 37.9 35.5 9.7 9.1 6.6 35.6 33.4 9.8 9.9

Over 500,000 ............................................... 10.7 60.2 37.5 12.8 13.8 11.1 65.1 33.6 11.8 14.7

Principal Building Activity

Education .................................................... 12.3 115.9 37.2 16.2 16.2 6.2 115.9 29.0 8.5 8.4

Food Sales .................................................. 17.2 61.0 55.4 38.0 23.8 16.0 58.9 55.0 25.3 15.0

Food Service ............................................... 9.3 100.3 22.0 15.8 14.9 9.7 100.3 25.8 19.1 15.6

Health Care ................................................. 17.6 0.0 48.3 23.3 24.0 7.6 0.0 54.0 12.2 9.8

 Inpatient ..................................................... 25.6 0.0 0.0 46.9 16.5 9.9 0.0 0.0 13.7 14.4

 Outpatient .................................................. 19.1 0.0 48.3 25.3 26.6 10.3 0.0 54.0 18.6 15.5

Lodging ........................................................ 11.4 84.5 22.1 19.4 18.1 11.0 71.7 18.0 16.9 14.9

Mercantile .................................................... 9.1 85.1 24.7 15.6 12.8 8.8 75.2 21.8 12.9 9.9

 Retail (Other Than Mall) ............................ 10.8 85.5 29.8 19.7 14.9 10.7 79.4 30.3 19.8 12.2

 Enclosed and Strip Malls ........................... 17.7 103.2 50.2 33.5 19.9 10.3 103.2 31.2 15.8 12.2

Office ........................................................... 8.3 70.6 24.2 13.9 12.3 6.9 91.3 21.5 10.3 7.3

Public Assembly .......................................... 13.5 53.8 29.0 20.4 20.9 10.8 46.9 25.2 14.9 13.3

Public Order and Safety .............................. 28.1 74.1 44.1 30.9 45.6 22.2 91.1 52.2 22.0 27.3

Religious Worship ....................................... 12.1 0.0 19.4 25.8 20.6 12.0 0.0 20.3 25.6 20.9

Service ........................................................ 12.8 63.3 22.9 17.9 20.4 11.8 64.9 28.4 17.8 15.1

Warehouse and Storage ............................. 12.4 19.7 19.6 28.4 18.5 9.4 19.6 17.0 21.2 9.5

Other ............................................................ 22.0 59.8 58.4 56.8 31.2 13.6 72.7 52.3 30.7 22.1

Vacant ......................................................... 14.5 15.8 40.9 102.1 83.4 12.2 14.3 27.6 102.1 75.5

Year Constructed

1919 or Before ............................................. 11.3 30.2 19.1 20.6 22.0 7.2 32.7 16.5 16.0 14.6

1920 to 1945 ................................................ 10.9 31.7 18.8 15.8 17.2 9.0 33.0 18.8 11.0 13.8

1946 to 1959 ................................................ 6.7 23.6 17.9 16.6 12.0 7.7 21.2 16.0 12.8 8.7

1960 to 1969 ................................................ 7.4 26.6 21.0 12.1 11.2 6.2 22.3 16.9 10.6 7.8

1970 to 1979 ................................................ 8.1 27.3 23.0 13.9 11.5 5.8 25.9 20.5 6.8 8.8

1980 to 1989 ................................................ 7.4 27.8 22.8 13.1 9.0 6.1 34.4 15.0 8.5 7.1

1990 to 1999 ................................................ 12.9 44.9 29.5 18.1 16.5 6.3 36.1 19.5 9.5 7.2

Floors

One .............................................................. 5.4 15.5 11.0 7.8 6.9 4.9 17.0 12.3 6.8 5.4

Two .............................................................. 7.4 21.9 13.8 12.9 10.2 6.1 24.6 14.7 9.6 6.7

Three ........................................................... 9.0 42.0 18.9 14.3 15.8 7.4 30.6 14.7 11.6 11.3

Four to Nine ................................................. 9.8 61.7 25.7 18.2 13.3 5.7 50.8 15.0 9.4 8.8

Ten or More ................................................. 12.7 63.1 34.8 14.7 15.2 10.7 65.8 27.9 12.3 16.3

Census Region

Northeast ..................................................... 8.0 28.7 29.9 12.7 15.2 7.7 39.1 19.1 8.4 12.2

Midwest ....................................................... 9.7 22.2 16.7 14.3 11.2 5.0 15.8 14.3 9.5 6.4

South ........................................................... 5.6 19.1 13.6 10.3 8.8 5.3 20.7 11.5 7.4 6.8

West ............................................................ 10.8 26.7 18.8 10.8 14.5 6.0 16.3 16.8 9.8 7.1

RSEs for Table B30. Percent of Floorspace Lit When Open, Number of Buildings and 

Floorspace, 1999

RSEs for Number of Buildings RSEs for Total Floorspace

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 333
All

Buildings Not Lit

1 to 50 

Percent

Lit

51 to 99 

Percent

Lit

100 

Percent

Lit

All

Buildings Not Lit

1 to 50 

Percent

Lit

51 to 99 

Percent 

Lit

100 

Percent

Lit

RSEs for Table B30. Percent of Floorspace Lit When Open, Number of Buildings and 

Floorspace, 1999

RSEs for Number of Buildings RSEs for Total Floorspace

Workers (main shift)

Fewer than 5 ................................................ 6.0 12.9 12.3 10.9 8.9 6.3 12.8 12.0 12.4 9.2

5 to 9 ............................................................ 7.9 61.9 19.1 14.0 10.6 7.6 72.0 17.6 15.5 9.8

10 to 19 ........................................................ 7.6 70.1 21.5 10.8 12.0 6.7 50.3 17.0 10.1 10.0

20 to 49 ........................................................ 9.0 0.0 29.2 13.9 10.8 6.6 0.0 16.8 10.0 8.3

50 to 99 ........................................................ 10.7 0.0 23.2 18.1 9.5 8.9 0.0 19.5 10.4 10.9

100 to 249 .................................................... 11.7 0.0 43.0 25.9 7.6 7.2 0.0 41.2 10.7 7.8

250 or More ................................................. 8.6 0.0 52.8 13.2 9.6 6.3 0.0 37.9 9.5 7.0

Weekly Operating Hours

39 or Fewer ................................................. 10.3 13.1 24.5 19.0 16.1 9.8 12.6 20.2 19.2 16.1

40 to 48 ........................................................ 5.9 69.2 13.9 10.4 10.0 6.1 46.8 15.0 9.7 7.2

49 to 60 ........................................................ 8.2 79.1 17.9 12.0 11.6 6.1 59.1 15.3 8.8 7.8

61 to 84 ........................................................ 9.6 47.7 20.3 13.1 13.3 6.1 46.5 16.7 8.8 8.3

85 to 167 ...................................................... 7.7 64.0 24.8 16.5 11.2 7.0 71.3 23.3 11.5 8.6

Open Continuously ...................................... 10.4 52.1 22.3 16.9 13.8 5.0 37.6 14.4 8.4 7.2

Vacancy Status

Completely Vacant ...................................... 20.7 20.7 0.0 0.0 0.0 14.5 14.5 0.0 0.0 0.0

Mostly Vacant .............................................. 22.9 28.1 40.9 102.1 83.4 20.0 28.2 27.6 102.1 75.5

Partially Vacant ............................................ 7.3 26.8 16.1 12.8 13.2 6.2 22.1 14.2 6.7 9.4

Not At All Vacant ......................................... 4.4 22.0 10.6 6.5 6.2 3.4 27.3 9.4 5.7 4.3

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 19.7 9.0 6.4 5.8 3.5 18.3 8.1 4.9 4.2

Natural Gas ................................................. 4.8 27.4 10.3 7.8 6.9 3.9 24.6 8.7 5.4 4.9

Fuel Oil ........................................................ 16.7 55.1 35.2 18.7 21.8 6.9 72.5 22.0 8.0 9.2

District Heat ................................................. 15.5 0.0 42.8 34.1 14.7 9.9 0.0 30.3 15.2 11.3

District Chilled Water ................................... 27.2 0.0 35.0 53.0 22.9 12.1 0.0 37.6 19.2 14.7

Propane ....................................................... 15.0 49.0 29.8 18.9 16.9 10.9 52.0 23.6 14.2 14.1

Other ............................................................ 18.8 50.9 46.8 26.7 28.1 14.0 70.3 37.6 18.0 18.0

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 18.8 9.7 6.6 5.9 3.5 16.9 8.2 4.9 4.4

Buildings with Cooling ................................. 3.9 30.5 9.7 7.2 5.5 3.8 31.0 8.8 5.1 4.5

Buildings with Water Heating ...................... 4.4 25.2 9.4 7.1 5.7 3.7 30.1 8.1 5.2 4.4

Buildings with Cooking ................................ 5.8 70.9 18.1 10.7 8.0 4.4 71.0 13.5 4.7 6.7

Buildings with Manufacturing ....................... 16.7 93.7 43.4 36.9 20.4 12.7 98.2 25.8 27.7 14.4

Buildings with Electricity

 Generation .................................................. 14.2 76.5 54.6 15.6 24.0 7.4 81.3 22.8 8.3 9.0

Percent of Floorspace Heated

Not Heated .................................................. 10.5 14.3 23.3 25.1 29.1 11.3 13.4 27.6 26.1 20.2

1 to 50 .......................................................... 10.9 47.4 15.0 22.2 17.6 8.0 34.7 13.0 16.5 9.6

51 to 99 ........................................................ 8.2 87.6 18.7 11.8 14.8 7.1 69.1 17.5 9.4 10.5

100 ............................................................... 4.8 21.1 11.5 8.4 6.3 4.0 18.3 9.4 5.4 5.0

Percent of Floorspace Cooled

Not Cooled .................................................. 10.4 13.2 18.9 17.2 14.9 8.8 12.4 18.1 15.9 13.4

1 to 50 .......................................................... 9.1 58.3 13.1 13.3 16.3 6.9 37.7 12.2 8.9 8.5

51 to 99 ........................................................ 6.9 76.6 18.6 9.7 10.8 4.5 57.6 16.9 6.4 7.1

100 ............................................................... 4.5 37.8 18.2 9.5 6.8 5.2 44.9 13.9 7.1 6.1

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 334
All

Buildings Not Lit

1 to 50 

Percent

Lit

51 to 99 

Percent

Lit

100 

Percent

Lit

All

Buildings Not Lit

1 to 50 

Percent

Lit

51 to 99 

Percent 

Lit

100 

Percent

Lit

RSEs for Table B30. Percent of Floorspace Lit When Open, Number of Buildings and 

Floorspace, 1999

RSEs for Number of Buildings RSEs for Total Floorspace

Percent Lit When Closed

Zero ............................................................. 6.2 21.7 11.2 10.0 9.5 5.9 21.4 12.3 9.3 7.4

1 to 50 .......................................................... 4.9 60.0 12.9 8.6 6.9 4.7 26.8 10.3 6.3 6.4

51 to 100 ...................................................... 16.3 69.6 53.4 31.4 21.6 10.0 69.6 45.2 21.8 11.7

Building Never Closed/

 Electricity Not Used .................................... 9.3 13.2 22.3 16.9 13.8 4.7 14.6 14.4 8.4 7.2

Lighting Equipment Types

(more than one may apply)

Incandescent ............................................... 4.9 80.7 10.5 7.7 6.8 4.2 52.1 9.1 5.3 6.4

Standard Fluorescent .................................. 4.1 60.5 9.2 5.9 6.2 3.5 28.8 7.9 4.8 4.4

Compact Fluorescent .................................. 9.0 59.1 20.7 11.3 12.0 5.7 63.7 13.1 6.2 7.2

High Intensity Discharge .............................. 10.9 100.1 24.8 15.3 12.9 5.4 100.1 17.3 7.0 6.7

Halogen ....................................................... 9.1 58.7 17.3 14.5 10.4 4.4 31.8 15.0 5.5 6.2

Other ............................................................ 32.3 100.1 47.1 39.2 37.8 14.6 100.1 55.1 20.6 17.5

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 6.5 29.9 12.9 9.6 8.4 4.5 28.5 10.4 6.2 6.0

Tinted, Reflective, or

 Shading Glass ............................................ 5.7 33.5 14.8 10.3 8.1 4.8 24.9 11.8 6.9 5.8

Lighting Conservation Features

(more than one may apply)

Specular Reflectors ..................................... 8.8 69.6 19.4 13.0 11.6 6.0 60.6 16.2 7.3 8.2

Electronic Ballasts ....................................... 5.3 56.5 11.1 7.7 7.6 3.9 60.2 9.3 5.2 5.2

Skylights or Atriums ..................................... 8.6 44.3 20.3 13.5 11.0 5.8 19.0 10.7 8.0 6.7

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 5.0 21.1 11.5 6.8 7.2 4.0 17.8 9.9 5.7 4.9

Cooling ........................................................ 4.3 36.6 10.7 7.7 6.1 4.4 38.3 9.8 6.2 5.3

Lighting ........................................................ 4.4 0.0 9.5 6.9 6.3 4.0 0.0 8.9 5.6 4.8

Office Equipment ......................................... 8.5 100.8 23.7 16.4 11.2 6.1 100.8 19.1 9.0 7.9

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 335
Total 

Floorspace

Heated 

Floorspace

Total 

Floorspace

Cooled 

Floorspace

Total 

Floorspace

Lit

Floorspace

All Buildings ............................................... 3.5 3.5 3.7 3.8 4.0 3.5 3.6

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.1 6.8 7.4 6.2 6.9 6.3 7.0

5,001 to 10,000 ............................................ 7.1 8.2 8.3 8.9 9.3 7.4 8.3

10,001 to 25,000 .......................................... 6.8 6.6 7.1 6.9 6.9 6.5 6.4

25,001 to 50,000 .......................................... 6.8 7.3 7.1 8.0 8.8 6.9 7.0

50,001 to 100,000 ........................................ 10.2 10.2 10.0 10.2 10.5 10.2 10.4

100,001 to 200,000 ...................................... 6.4 6.5 6.7 6.6 7.2 6.4 6.6

200,001 to 500,000 ...................................... 6.6 6.5 6.6 6.8 7.8 6.4 6.5

Over 500,000 ............................................... 11.1 10.9 10.8 11.9 13.5 11.1 11.7

Principal Building Activity

Education .................................................... 6.2 6.3 6.4 6.3 6.6 6.1 6.5

Food Sales .................................................. 16.0 18.6 16.7 16.3 13.7 16.0 13.9

Food Service ............................................... 9.7 10.4 11.1 10.2 10.4 9.7 9.2

Health Care ................................................. 7.6 7.6 7.2 7.2 7.1 7.6 7.5

 Inpatient ..................................................... 9.9 9.9 9.4 9.4 9.9 9.9 9.7

 Outpatient .................................................. 10.3 10.3 10.5 10.3 10.4 10.3 10.5

Lodging ........................................................ 11.0 11.2 10.6 11.8 12.1 11.1 11.5

Mercantile .................................................... 8.8 8.8 9.1 8.9 8.5 8.8 8.8

 Retail (Other Than Mall) ............................ 10.7 11.1 10.7 11.2 10.3 10.8 10.9

 Enclosed and Strip Malls ........................... 10.3 9.7 10.4 10.4 10.5 10.3 10.3

Office ........................................................... 6.9 7.0 7.1 7.0 7.2 6.9 7.2

Public Assembly .......................................... 10.8 11.0 11.0 10.5 10.9 10.9 11.2

Public Order and Safety .............................. 22.2 21.2 21.3 18.6 18.3 21.4 22.1

Religious Worship ....................................... 12.0 12.1 12.7 14.6 15.3 12.0 14.2

Service ........................................................ 11.8 13.6 13.8 14.7 16.8 12.0 12.0

Warehouse and Storage ............................. 9.4 9.2 10.0 10.9 13.3 10.0 10.0

Other ............................................................ 13.6 15.4 16.6 15.5 18.4 14.3 17.0

Vacant ......................................................... 12.2 18.9 19.9 23.2 29.8 25.7 35.5

Year Constructed

1919 or Before ............................................. 7.2 7.3 7.8 7.8 9.2 6.9 7.4

1920 to 1945 ................................................ 9.0 8.4 8.6 9.2 10.0 9.1 9.4

1946 to 1959 ................................................ 7.7 8.0 8.4 8.3 9.0 7.7 7.7

1960 to 1969 ................................................ 6.2 6.5 6.6 7.3 7.9 6.4 6.7

1970 to 1979 ................................................ 5.8 6.5 7.0 6.0 6.7 5.9 6.0

1980 to 1989 ................................................ 6.1 6.1 6.2 6.4 6.2 5.7 6.2

1990 to 1999 ................................................ 6.3 6.2 6.6 6.6 6.7 6.1 6.2

Floors

One .............................................................. 4.9 5.2 5.3 5.6 5.8 4.7 4.7

Two .............................................................. 6.1 6.4 6.8 6.3 7.1 6.4 6.4

Three ........................................................... 7.4 7.4 7.7 7.9 8.4 7.5 8.1

Four to Nine ................................................. 5.7 6.0 6.0 6.6 7.4 5.9 6.4

Ten or More ................................................. 10.7 10.6 10.2 11.0 11.1 10.6 11.0

Census Region

Northeast ..................................................... 7.7 7.8 7.5 8.5 8.2 7.8 8.1

Midwest ....................................................... 5.0 5.3 5.8 6.0 6.8 5.3 4.9

South ........................................................... 5.3 5.2 5.3 5.5 5.8 5.1 5.5

West ............................................................ 6.0 6.2 7.2 6.5 6.2 6.2 5.9

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ................................ 10.5 9.9 10.3 8.2 9.9 9.9 10.2

 5,500-7,000 HDD ...................................... 7.1 7.2 7.0 8.6 8.5 7.3 7.1

 4,000-5,499 HDD ...................................... 9.1 9.0 8.6 8.6 8.5 9.1 8.5

 Fewer than 4,000 HDD .............................. 8.9 8.7 8.9 9.1 9.4 8.5 9.2

2,000 CDD or More and --

 Fewer than 4,000 HDD .............................. 9.4 9.7 10.1 9.2 9.7 8.9 9.2

RSEs for Table B31. Heated, Cooled, and Lit Buildings, Floorspace, 1999

Heated Buildings Cooled Buildings Lit Buildings

RSEs for Total Floorspace

All

Buildings

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 336
Total 

Floorspace

Heated 

Floorspace

Total 

Floorspace

Cooled 

Floorspace

Total 

Floorspace

Lit

Floorspace

RSEs for Table B31. Heated, Cooled, and Lit Buildings, Floorspace, 1999

Heated Buildings Cooled Buildings Lit Buildings

RSEs for Total Floorspace

All

Buildings

Workers (main shift)

Fewer than 5 ................................................ 6.3 6.8 7.3 7.6 8.0 6.9 6.9

5 to 9 ............................................................ 7.6 8.0 8.6 8.7 9.2 7.8 8.2

10 to 19 ........................................................ 6.7 7.0 7.5 7.5 7.2 6.9 7.2

20 to 49 ........................................................ 6.6 6.5 6.6 7.4 7.4 6.6 6.6

50 to 99 ........................................................ 8.9 8.9 9.1 8.8 9.5 8.9 9.0

100 to 249 .................................................... 7.2 7.3 7.3 7.2 7.7 7.2 7.2

250 or More ................................................. 6.3 6.2 5.9 6.4 6.9 6.3 6.2

Weekly Operating Hours

39 or Fewer ................................................. 9.8 11.2 11.6 12.9 13.7 11.3 11.8

40 to 48 ........................................................ 6.1 6.2 6.5 6.3 6.3 6.2 6.0

49 to 60 ........................................................ 6.1 6.2 6.4 6.4 7.1 6.1 6.5

61 to 84 ........................................................ 6.1 6.2 6.3 6.4 7.1 6.1 6.4

85 to 167 ...................................................... 7.0 6.8 6.6 7.1 6.8 7.0 6.9

Open Continuously ...................................... 5.0 4.9 4.6 5.4 5.6 5.0 5.2

Vacancy Status

Completely Vacant ...................................... 14.5 34.7 37.1 43.7 47.9 0.0 0.0

Mostly Vacant .............................................. 20.0 22.8 23.4 22.6 26.3 25.7 35.5

Partially Vacant ............................................ 6.2 6.4 7.0 6.5 7.3 6.4 7.0

Not At All Vacant ......................................... 3.4 3.6 3.6 3.9 3.7 3.6 3.6

Energy Sources (more than

one may apply)

Electricity ..................................................... 3.5 3.5 3.7 3.8 4.0 3.5 3.6

Natural Gas ................................................. 3.9 3.9 4.1 4.3 4.5 3.8 4.0

Fuel Oil ........................................................ 6.9 6.9 7.0 7.4 8.4 6.8 7.2

District Heat ................................................. 9.9 9.8 9.6 9.9 9.7 9.9 9.7

District Chilled Water ................................... 12.1 12.2 12.4 12.1 12.3 12.1 12.2

Propane ....................................................... 10.9 11.2 11.1 11.7 14.1 10.9 10.9

Other ............................................................ 14.0 14.2 14.6 14.5 14.8 14.3 13.9

Space-Heating Energy Sources

(more than one may apply)

Electricity ..................................................... 4.1 4.1 4.2 4.3 4.5 4.2 4.5

Natural Gas ................................................. 4.2 4.2 4.5 4.6 4.8 4.2 4.4

Fuel Oil ........................................................ 10.7 10.7 10.5 11.4 13.0 10.6 11.0

District Heat ................................................. 9.9 9.9 9.7 9.9 9.8 9.9 9.7

Propane ....................................................... 18.0 18.0 17.8 18.7 21.6 18.0 18.6

Other ............................................................ 21.5 21.5 22.3 23.8 27.4 21.7 21.8

Primary Space-Heating

Energy Source

Electricity ..................................................... 5.5 5.5 5.5 5.7 5.5 5.5 5.7

Natural Gas ................................................. 4.4 4.4 4.8 4.9 5.2 4.5 4.5

Fuel Oil ........................................................ 12.4 12.4 12.0 15.0 17.2 12.1 12.6

District Heat ................................................. 10.3 10.3 10.2 10.4 10.4 10.3 10.2

Propane ....................................................... 19.5 19.5 19.5 19.9 23.4 19.6 20.0

Other ............................................................ 25.8 25.8 29.8 32.0 42.9 26.7 27.2

Cooling Energy Sources

(more than one may apply)

Electricity ..................................................... 4.0 4.1 4.2 4.0 4.2 4.0 4.1

Natural Gas ................................................. 12.2 12.2 12.6 12.2 13.6 12.2 12.3

District Chilled Water ................................... 12.1 12.2 12.4 12.1 12.3 12.1 12.2

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 337
Total 

Floorspace

Heated 

Floorspace

Total 

Floorspace

Cooled 

Floorspace

Total 

Floorspace

Lit

Floorspace

RSEs for Table B31. Heated, Cooled, and Lit Buildings, Floorspace, 1999

Heated Buildings Cooled Buildings Lit Buildings

RSEs for Total Floorspace

All

Buildings

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 3.5 3.5 3.7 3.9 4.0 3.6 3.7

Buildings with Cooling ................................. 3.8 3.9 4.0 3.8 4.0 3.8 3.9

Buildings with Water Heating ...................... 3.7 3.7 3.8 3.9 4.1 3.6 3.8

Buildings with Cooking ................................ 4.4 4.4 4.5 4.3 4.9 4.4 4.8

Buildings with Manufacturing ....................... 12.7 12.9 12.6 13.0 12.9 12.6 12.9

Buildings with Electricity

 Generation .................................................. 7.4 7.5 7.6 7.5 8.1 7.4 7.5

Percent of Floorspace Heated

Not Heated .................................................. 11.3 0.0 0.0 20.8 23.1 15.8 16.8

1 to 50 .......................................................... 8.0 8.0 9.1 8.6 10.2 8.2 7.8

51 to 99 ........................................................ 7.1 7.1 7.3 7.7 7.9 7.1 7.6

100 ............................................................... 4.0 4.0 4.0 4.2 4.2 4.0 4.2

Percent of Floorspace Cooled

Not Cooled .................................................. 8.8 11.0 11.4 0.0 0.0 10.6 10.7

1 to 50 .......................................................... 6.9 6.7 7.3 6.9 8.1 6.9 7.2

51 to 99 ........................................................ 4.5 4.6 4.8 4.5 4.6 4.5 4.9

100 ............................................................... 5.2 5.0 5.0 5.2 5.2 5.0 5.2

Percent Lit When Open

Zero ............................................................. 32.5 40.9 52.3 49.8 63.1 0.0 0.0

1 to 50 .......................................................... 8.1 8.2 8.3 8.8 9.4 8.1 8.4

51 to 99 ........................................................ 4.9 4.9 5.3 5.1 5.5 4.9 5.0

100 ............................................................... 4.2 4.4 4.4 4.5 4.7 4.2 4.2

Building Never Open/

 Electricity Not Used .................................... 12.9 18.4 18.1 34.5 42.3 0.0 0.0

Percent Lit When Closed

Zero ............................................................. 5.9 6.2 6.2 6.5 6.2 6.0 6.0

1 to 50 .......................................................... 4.7 4.8 5.0 5.0 5.5 4.7 5.1

51 to 100 ...................................................... 10.0 11.2 11.3 11.3 12.2 9.9 10.6

Building Never Closed/

 Electricity Not Used .................................... 4.7 4.9 4.6 5.4 5.6 5.0 5.2

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 6.3 6.3 6.5 6.4 6.6 6.3 6.2

Furnaces ...................................................... 5.5 5.5 5.7 6.2 6.8 5.5 5.6

Individual Space Heaters ............................ 5.0 5.0 5.6 5.3 5.5 5.1 5.1

District Heat ................................................. 9.9 9.9 9.7 9.9 9.8 9.9 9.7

Boilers ......................................................... 5.6 5.6 5.9 5.8 7.0 5.7 6.0

Packaged Heating Units .............................. 4.8 4.8 5.0 4.9 5.1 4.7 5.0

Other ............................................................ 7.9 7.9 7.9 8.6 9.6 8.2 8.2

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 6.8 6.8 6.9 6.8 7.0 6.8 6.6

Heat Pumps ................................................. 6.5 6.6 7.1 6.5 6.7 6.6 6.5

Individual Air Conditioners ........................... 5.9 6.1 6.3 5.9 6.3 6.2 6.3

District Chilled Water ................................... 12.1 12.2 12.4 12.1 12.3 12.1 12.2

Central Chillers ............................................ 6.0 6.1 6.1 6.0 6.4 6.1 6.2

Packaged Air Conditioning

 Units ........................................................... 4.0 4.2 4.4 4.0 4.4 3.9 4.2

Swamp Coolers ........................................... 17.5 17.8 18.7 17.5 18.0 17.5 16.8

Other ............................................................ 16.3 17.3 19.1 16.3 17.8 16.4 16.5

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 338
Total 

Floorspace

Heated 

Floorspace

Total 

Floorspace

Cooled 

Floorspace

Total 

Floorspace

Lit

Floorspace

RSEs for Table B31. Heated, Cooled, and Lit Buildings, Floorspace, 1999

Heated Buildings Cooled Buildings Lit Buildings

RSEs for Total Floorspace

All

Buildings

Lighting Equipment Types

(more than one may apply)

Incandescent ............................................... 4.2 4.3 4.5 4.6 5.0 4.3 4.6

Standard Fluorescent .................................. 3.5 3.6 3.7 3.7 3.9 3.5 3.7

Compact Fluorescent .................................. 5.7 5.7 5.7 5.8 6.5 5.7 5.8

High Intensity Discharge .............................. 5.4 5.5 6.0 5.4 6.6 5.4 5.5

Halogen ....................................................... 4.4 4.6 4.5 4.5 4.7 4.4 4.5

Other ............................................................ 14.6 14.9 15.3 15.0 14.8 14.7 14.2

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 4.5 4.5 4.5 4.5 4.8 4.5 4.8

Tinted, Reflective, or

 Shading Glass ............................................ 4.8 5.1 5.2 4.9 5.3 4.9 5.2

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ....................... 5.4 5.5 5.6 5.4 5.9 5.4 5.8

Economizer Cycle ........................................ 5.2 5.2 5.3 5.2 5.9 5.2 5.4

HVAC Maintenance ..................................... 3.9 4.0 4.1 4.0 4.3 3.9 4.0

Energy Management and

 Control System (EMCS) ............................. 5.4 5.5 5.5 5.8 6.5 5.5 5.8

Lighting Conservation Features

(more than one may apply)

Specular Reflectors ..................................... 6.0 6.2 6.4 6.2 6.9 6.0 6.2

Electronic Ballasts ....................................... 3.9 4.0 4.2 4.0 4.3 3.9 4.1

Skylights or Atriums ..................................... 5.8 6.0 6.1 5.8 6.5 5.8 6.0

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 4.0 4.0 4.1 4.4 4.5 4.0 4.2

Cooling ........................................................ 4.4 4.6 4.6 4.4 4.6 4.3 4.5

Lighting ........................................................ 4.0 4.1 4.2 4.3 4.2 4.0 4.1

Office Equipment ......................................... 6.1 6.2 6.1 6.5 6.7 6.1 6.3

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 339
Heat 

Pumps Furnaces

Individual 

Space 

Heaters

District 

Heat Boilers

Packaged 

Heating 

Units Other

All Buildings ............................................... 4.2 4.2 10.5 7.4 6.7 16.5 7.9 6.3 15.1

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 7.1 15.6 10.0 11.6 44.3 16.6 12.0 23.7

5,001 to 10,000 ............................................ 6.7 7.9 21.3 13.7 14.0 60.4 17.2 16.7 35.4

10,001 to 25,000 .......................................... 7.1 7.0 19.4 12.7 14.0 33.2 15.1 9.7 32.0

25,001 to 50,000 .......................................... 6.9 7.3 13.7 13.2 11.0 22.8 11.4 9.0 23.9

50,001 to 100,000 ........................................ 10.3 10.3 11.7 20.1 14.0 13.7 12.1 11.7 15.7

100,001 to 200,000 ...................................... 6.3 6.6 16.3 14.9 11.1 13.2 9.6 8.6 23.0

200,001 to 500,000 ...................................... 6.5 6.2 14.7 18.3 12.7 14.1 9.6 9.3 20.3

Over 500,000 ............................................... 10.7 10.6 20.9 19.9 13.0 19.1 17.0 10.3 22.4

Principal Building Activity

Education .................................................... 12.3 12.4 29.0 25.9 19.2 24.6 16.2 19.0 44.4

Food Sales .................................................. 17.2 19.2 41.3 32.7 45.8 100.3 81.9 29.4 36.5

Food Service ............................................... 9.3 10.3 48.2 20.2 25.2 83.4 42.2 12.3 63.9

Health Care ................................................. 17.6 17.6 48.9 31.9 33.5 25.7 29.8 25.5 78.4

 Inpatient ..................................................... 25.6 25.6 23.8 52.0 25.1 33.4 33.6 19.0 42.0

 Outpatient .................................................. 19.1 19.1 51.1 32.2 41.4 39.1 43.6 27.6 86.8

Lodging ........................................................ 11.4 11.5 26.9 29.3 17.7 36.4 23.5 23.6 46.5

Mercantile .................................................... 9.1 9.2 31.3 15.8 19.6 100.0 31.2 13.0 35.1

 Retail (Other Than Mall) ............................ 10.8 11.0 48.7 16.7 20.6 100.0 33.2 17.4 36.8

 Enclosed and Strip Malls ........................... 17.7 18.1 36.1 38.4 23.7 0.0 23.0 17.7 39.1

Office ........................................................... 8.3 8.6 16.8 16.5 17.6 36.5 22.5 14.1 24.8

Public Assembly .......................................... 13.5 13.8 36.4 26.7 18.3 48.1 24.8 19.0 51.3

Public Order and Safety .............................. 28.1 29.3 44.0 62.4 42.3 40.1 41.9 29.0 79.4

Religious Worship ....................................... 12.1 12.1 42.2 14.2 23.0 58.8 21.2 25.2 77.1

Service ........................................................ 12.8 14.1 34.0 20.4 21.5 47.2 30.6 20.2 30.6

Warehouse and Storage ............................. 12.4 13.0 26.9 20.6 20.5 63.4 49.4 19.5 57.1

Other ............................................................ 22.0 26.6 72.0 38.3 42.7 46.0 47.8 22.6 63.3

Vacant ......................................................... 14.5 24.5 57.5 34.9 49.3 100.1 68.2 59.6 62.9

Year Constructed

1919 or Before ............................................. 11.3 11.7 29.6 19.4 24.7 48.4 15.1 34.4 71.8

1920 to 1945 ................................................ 10.9 11.7 37.7 17.1 18.1 39.8 23.1 21.1 57.9

1946 to 1959 ................................................ 6.7 7.1 19.0 16.2 14.3 33.9 15.1 16.3 36.7

1960 to 1969 ................................................ 7.4 7.7 24.0 13.3 15.6 13.8 18.7 13.1 38.7

1970 to 1979 ................................................ 8.1 9.2 26.4 12.8 15.6 64.8 19.3 15.3 34.8

1980 to 1989 ................................................ 7.4 8.0 21.1 14.8 19.4 45.7 21.9 10.0 26.6

1990 to 1999 ................................................ 12.9 12.2 24.6 16.8 27.1 22.6 29.8 18.7 55.9

Census Region

Northeast ..................................................... 8.0 8.4 26.3 16.8 18.9 32.4 10.6 14.0 37.5

Midwest ....................................................... 9.7 9.8 24.7 13.0 19.5 34.6 17.2 13.0 26.5

South ........................................................... 5.6 6.3 12.4 12.8 11.6 30.9 17.9 9.7 27.4

West ............................................................ 10.8 10.4 28.8 17.7 12.0 24.6 18.9 13.0 32.5

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ................................ 19.0 17.8 24.8 25.0 33.3 23.8 19.3 25.0 38.1

 5,500-7,000 HDD ...................................... 7.0 6.9 25.7 10.2 13.3 22.3 12.8 11.3 26.5

 4,000-5,499 HDD ...................................... 16.8 16.8 19.3 22.8 25.0 30.0 15.7 16.3 34.1

 Fewer than 4,000 HDD .............................. 10.9 11.2 21.6 14.6 16.1 23.6 25.3 13.4 45.7

2,000 CDD or More and --

 Fewer than 4,000 HDD .............................. 11.1 13.0 25.2 17.7 17.3 37.1 25.6 14.8 45.6

RSEs for Table B32. Heating Equipment, Number of Buildings, 1999

RSEs for Number of Buildings

All

Buildings

All

Heated

Buildings

Heating Equipment (more than one may apply)

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 340
Heat 

Pumps Furnaces

Individual 

Space 

Heaters

District 

Heat Boilers

Packaged 

Heating 

Units Other

RSEs for Table B32. Heating Equipment, Number of Buildings, 1999

RSEs for Number of Buildings

All

Buildings

All

Heated

Buildings

Heating Equipment (more than one may apply)

Workers (main shift)

Fewer than 5 ................................................ 6.0 6.4 18.0 9.0 10.4 35.2 18.3 11.1 20.9

5 to 9 ............................................................ 7.9 8.2 21.3 14.3 14.9 43.8 18.3 14.2 37.5

10 to 19 ........................................................ 7.6 7.8 19.2 13.9 14.3 33.3 16.0 13.1 47.7

20 to 49 ........................................................ 9.0 8.9 21.9 17.5 17.4 27.7 14.6 13.0 36.4

50 to 99 ........................................................ 10.7 10.7 26.3 22.8 15.9 41.5 10.7 11.8 47.5

100 to 249 .................................................... 11.7 10.8 15.2 35.6 12.4 14.8 10.3 9.7 22.2

250 or More ................................................. 8.6 8.5 13.2 18.9 15.2 18.7 11.6 10.8 15.6

Weekly Operating Hours

39 or Fewer ................................................. 10.3 12.1 32.3 17.5 17.6 47.4 25.1 21.2 40.6

40 to 48 ........................................................ 5.9 5.7 15.8 12.6 15.5 31.5 17.1 10.5 31.4

49 to 60 ........................................................ 8.2 8.6 20.7 12.3 14.6 41.2 18.3 14.5 30.4

61 to 84 ........................................................ 9.6 10.4 19.3 18.2 20.1 40.4 19.6 15.3 40.3

85 to 167 ...................................................... 7.7 7.9 21.3 18.3 20.6 19.1 23.4 10.4 47.9

Open Continuously ...................................... 10.4 10.5 20.5 26.4 13.6 25.7 18.4 17.5 29.3

Multibuilding Facility Activity

Not Part of a Multibuilding

 Facility ........................................................ 4.6 4.8 13.6 8.2 8.2 47.4 9.1 7.8 18.7

College or University ................................... 19.4 19.5 28.7 53.7 54.1 22.8 32.6 23.3 65.3

Primary or Secondary School ...................... 17.7 18.8 38.3 30.4 27.3 50.3 32.5 24.1 82.6

Office Complex ............................................ 18.9 21.0 37.3 40.1 27.3 41.8 52.9 21.0 44.3

Retail Complex ............................................ 17.0 18.6 38.1 33.0 40.4 73.3 61.3 23.3 45.5

Religious Campus or Complex .................... 19.4 19.6 57.0 24.4 28.5 46.6 33.6 36.0 86.1

Health Care Complex .................................. 24.3 23.1 48.7 49.8 53.8 21.7 48.2 40.1 42.7

Government Complex ................................. 26.6 26.8 64.6 33.5 49.9 57.6 19.1 25.9 82.2

Other ............................................................ 10.6 11.2 26.4 21.7 20.8 34.7 23.7 20.1 48.4

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 4.2 10.5 7.4 7.0 16.5 7.9 6.3 15.1

Natural Gas ................................................. 4.8 5.0 15.4 7.8 9.1 27.2 8.0 8.3 18.6

Fuel Oil ........................................................ 16.7 16.8 40.3 24.5 30.4 19.4 15.5 22.9 32.5

District Heat ................................................. 15.5 15.7 53.3 64.7 35.5 16.5 69.8 52.7 36.2

District Chilled Water ................................... 27.2 27.4 42.5 63.3 48.4 33.8 29.1 76.8 35.6

Propane ....................................................... 15.0 15.0 36.4 23.4 24.6 45.9 16.9 20.0 27.9

Other ............................................................ 18.8 19.0 61.7 35.4 30.2 41.1 30.4 32.1 35.2

Space-Heating Energy Sources

(more than one may apply)

Electricity ..................................................... 5.1 5.1 10.5 9.5 8.0 45.3 11.0 8.0 20.1

Natural Gas ................................................. 5.4 5.4 17.3 8.1 9.9 50.4 9.5 8.8 19.8

Fuel Oil ........................................................ 19.2 19.2 59.7 25.4 35.0 53.2 17.3 36.0 36.7

District Heat ................................................. 16.5 16.5 21.9 47.8 19.5 16.5 71.5 68.7 32.9

Propane ....................................................... 18.3 18.3 50.0 25.8 27.1 106.8 26.2 29.1 32.1

Other ............................................................ 25.8 25.8 68.8 44.3 38.7 100.3 43.2 58.7 35.9

Primary Space-Heating

Energy Source

Electricity ..................................................... 7.1 7.1 13.2 17.0 13.9 68.6 24.9 10.3 29.1

Natural Gas ................................................. 6.0 6.0 17.6 8.8 10.2 37.3 9.9 9.4 21.7

Fuel Oil ........................................................ 18.8 18.8 65.7 28.2 36.7 74.1 18.1 60.0 44.9

District Heat ................................................. 16.2 16.2 23.6 65.1 21.1 16.2 91.1 23.8 36.2

Propane ....................................................... 19.1 19.1 65.2 27.8 30.2 0.0 29.2 31.6 35.9

Other ............................................................ 32.6 32.6 61.8 53.7 77.9 0.0 58.6 91.9 47.7

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 341
Heat 

Pumps Furnaces

Individual 

Space 

Heaters

District 

Heat Boilers

Packaged 

Heating 

Units Other

RSEs for Table B32. Heating Equipment, Number of Buildings, 1999

RSEs for Number of Buildings

All

Buildings

All

Heated

Buildings

Heating Equipment (more than one may apply)

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 4.2 10.5 7.4 6.7 16.5 7.9 6.3 15.1

Buildings with Cooling ................................. 3.9 4.1 10.5 7.9 7.5 18.0 8.1 6.4 17.4

Buildings with Water Heating ...................... 4.4 4.5 11.5 7.5 7.1 17.6 8.6 7.3 16.9

Buildings with Cooking ................................ 5.8 6.3 18.1 15.9 10.9 33.5 11.9 9.2 29.1

Buildings with Manufacturing ....................... 16.7 16.9 54.0 29.4 28.7 50.8 26.2 19.9 62.4

Buildings with Electricity

 Generation .................................................. 14.2 14.4 28.4 30.0 21.0 17.4 25.8 19.4 15.5

Percent of Floorspace Heated

Not Heated .................................................. 10.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

1 to 50 .......................................................... 10.9 10.9 29.1 19.0 17.4 74.3 26.8 20.7 33.4

51 to 99 ........................................................ 8.2 8.2 19.7 11.0 14.9 41.4 19.1 15.9 31.8

100 ............................................................... 4.8 4.8 11.6 8.8 8.0 19.4 9.1 7.2 17.9

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 10.5 10.5 10.5 26.3 14.9 21.9 24.5 19.9 44.3

Furnaces ...................................................... 7.4 7.4 26.3 7.4 14.6 47.8 19.5 15.2 23.0

Individual Space Heaters ............................ 6.7 6.7 14.9 14.6 6.7 19.5 11.8 11.2 34.8

District Heat ................................................. 16.5 16.5 21.9 47.8 19.5 16.5 71.5 68.7 32.9

Boilers ......................................................... 7.9 7.9 24.5 19.5 11.8 71.5 7.9 10.0 41.7

Packaged Heating Units .............................. 6.3 6.3 19.9 15.2 11.2 68.7 10.0 6.3 30.9

Other ............................................................ 15.1 15.1 44.3 23.0 34.8 32.9 41.7 30.9 15.1

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 10.3 10.4 30.3 11.0 18.4 21.8 25.3 23.2 39.6

Heat Pumps ................................................. 10.4 10.3 10.1 26.5 17.2 21.0 27.2 20.4 40.2

Individual Air Conditioners ........................... 8.0 8.3 27.2 15.9 9.8 20.8 11.3 16.3 29.3

District Chilled Water ................................... 27.2 27.4 42.5 63.3 48.4 33.8 29.1 76.8 35.6

Central Chillers ............................................ 14.5 14.8 15.9 30.7 19.9 26.8 18.1 12.3 13.1

Packaged Air Conditioning

 Units ........................................................... 4.7 5.0 18.9 9.1 10.8 26.3 11.1 6.4 26.0

Swamp Coolers ........................................... 17.0 20.4 44.3 26.4 29.2 68.3 35.2 28.8 56.1

Other ............................................................ 29.6 30.4 62.3 49.6 25.9 78.3 45.6 27.7 65.5

Main Equipment Replaced Since

1995 (more than one may apply)

Heating ........................................................ 6.8 6.8 16.7 11.6 11.0 50.7 21.5 10.5 37.2

Cooling ........................................................ 5.9 6.3 13.8 10.4 13.1 23.8 13.2 10.3 37.0

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 6.5 6.6 13.3 10.2 9.6 24.9 9.6 9.2 22.3

Tinted, Reflective, or

 Shading Glass ............................................ 5.7 6.0 16.9 11.9 10.3 26.1 13.0 9.8 25.1

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ....................... 9.8 9.9 23.1 16.9 17.4 15.3 18.2 11.1 22.2

Economizer Cycle ........................................ 8.2 8.4 16.7 21.9 12.9 25.0 11.5 12.2 33.1

HVAC Maintenance ..................................... 4.8 5.0 10.9 9.4 8.7 16.9 8.7 6.5 19.4

Energy Management and

 Control System (EMCS) ............................. 10.3 10.4 14.7 22.8 15.4 19.7 13.4 14.9 31.4

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 342
Heat 

Pumps Furnaces

Individual 

Space 

Heaters

District 

Heat Boilers

Packaged 

Heating 

Units Other

RSEs for Table B32. Heating Equipment, Number of Buildings, 1999

RSEs for Number of Buildings

All

Buildings

All

Heated

Buildings

Heating Equipment (more than one may apply)

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 5.0 5.0 13.3 8.6 8.1 21.2 9.3 8.5 21.0

Cooling ........................................................ 4.3 4.7 12.9 8.4 8.7 22.4 9.5 7.9 23.1

Lighting ........................................................ 4.4 4.7 10.9 7.9 7.2 23.4 8.6 6.9 19.1

Office Equipment ......................................... 8.5 8.8 24.8 26.0 21.3 17.2 14.8 14.9 44.5

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 343
Heat 

Pumps Furnaces

Individual 

Space 

Heaters

District 

Heat Boilers

Packaged 

Heating 

Units Other

All Buildings ............................................... 3.5 3.5 6.3 5.5 5.0 9.9 5.6 4.8 7.9

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.1 6.8 17.5 10.1 12.2 47.9 18.5 11.7 23.1

5,001 to 10,000 ............................................ 7.1 8.2 21.8 14.5 14.7 62.9 17.3 16.9 35.4

10,001 to 25,000 .......................................... 6.8 6.6 19.0 11.8 13.3 25.7 15.4 9.3 33.7

25,001 to 50,000 .......................................... 6.8 7.3 14.6 13.2 10.9 21.3 10.7 9.0 20.4

50,001 to 100,000 ........................................ 10.2 10.2 11.8 19.9 14.0 13.6 12.2 11.9 15.7

100,001 to 200,000 ...................................... 6.4 6.5 16.5 13.1 10.9 13.0 9.6 8.8 21.2

200,001 to 500,000 ...................................... 6.6 6.5 14.6 20.0 13.3 15.0 9.7 10.4 22.0

Over 500,000 ............................................... 11.1 10.9 19.4 16.1 13.4 19.4 18.4 11.9 23.1

Principal Building Activity

Education .................................................... 6.2 6.3 17.1 18.4 12.8 17.5 9.1 12.9 32.1

Food Sales .................................................. 16.0 18.6 22.1 31.5 33.2 100.3 78.9 18.3 37.7

Food Service ............................................... 9.7 10.4 42.3 17.7 30.1 70.9 31.3 13.1 57.3

Health Care ................................................. 7.6 7.6 18.1 23.5 19.5 19.5 10.6 12.5 35.1

 Inpatient ..................................................... 9.9 9.9 22.8 41.6 24.0 22.1 10.9 15.6 46.4

 Outpatient .................................................. 10.3 10.3 37.5 28.0 33.8 33.8 27.2 20.2 38.2

Lodging ........................................................ 11.0 11.2 19.8 19.8 16.1 25.9 18.0 16.8 35.1

Mercantile .................................................... 8.8 8.8 20.4 15.4 15.9 100.0 19.4 9.3 26.9

 Retail (Other Than Mall) ............................ 10.7 11.1 29.6 18.3 15.1 100.0 25.1 12.5 37.9

 Enclosed and Strip Malls ........................... 10.3 9.7 23.0 20.5 20.2 0.0 26.3 10.4 40.1

Office ........................................................... 6.9 7.0 10.4 15.3 8.7 15.0 11.4 10.9 11.6

Public Assembly .......................................... 10.8 11.0 28.1 21.9 16.4 22.9 18.1 16.3 35.8

Public Order and Safety .............................. 22.2 21.2 41.4 47.0 32.9 36.7 28.9 21.8 49.5

Religious Worship ....................................... 12.0 12.1 44.2 14.7 21.9 54.2 19.4 21.9 43.9

Service ........................................................ 11.8 13.6 28.2 22.4 24.7 75.7 31.1 17.1 47.4

Warehouse and Storage ............................. 9.4 9.2 18.4 12.5 9.4 61.7 15.2 12.9 29.3

Other ............................................................ 13.6 15.4 56.2 31.6 27.0 42.2 25.4 23.7 59.5

Vacant ......................................................... 12.2 18.9 54.9 26.3 39.2 100.1 31.7 45.4 37.2

Year Constructed

1919 or Before ............................................. 7.2 7.3 27.1 13.0 14.8 32.4 13.7 18.2 66.7

1920 to 1945 ................................................ 9.0 8.4 30.2 14.6 18.1 32.0 14.6 15.4 34.9

1946 to 1959 ................................................ 7.7 8.0 16.4 13.2 13.0 21.8 10.6 14.2 25.1

1960 to 1969 ................................................ 6.2 6.5 12.6 11.3 12.2 10.9 10.4 10.5 25.6

1970 to 1979 ................................................ 5.8 6.5 14.5 11.5 11.1 18.8 13.3 8.9 22.6

1980 to 1989 ................................................ 6.1 6.1 12.4 12.5 11.6 19.0 12.0 6.8 10.0

1990 to 1999 ................................................ 6.3 6.2 12.1 13.4 8.9 18.9 10.4 7.7 18.5

Census Region

Northeast ..................................................... 7.7 7.8 15.8 14.5 16.3 16.4 10.0 10.3 24.0

Midwest ....................................................... 5.0 5.3 18.1 9.1 9.8 18.9 8.7 7.9 20.1

South ........................................................... 5.3 5.2 7.7 10.2 5.5 20.8 7.9 6.7 15.1

West ............................................................ 6.0 6.2 12.1 13.5 9.9 21.8 11.9 10.6 14.4

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ................................ 10.5 9.9 25.6 16.2 20.7 26.5 11.0 11.6 28.3

 5,500-7,000 HDD ...................................... 7.1 7.2 19.5 10.0 12.7 19.1 11.7 9.1 17.7

 4,000-5,499 HDD ...................................... 9.1 9.0 10.5 16.6 10.1 16.6 9.1 7.0 11.8

 Fewer than 4,000 HDD .............................. 8.9 8.7 12.1 12.5 11.4 24.2 14.0 10.6 26.4

2,000 CDD or More and --

 Fewer than 4,000 HDD .............................. 9.4 9.7 20.2 17.4 10.9 21.9 16.2 11.1 13.9

RSEs for Table B33. Heating Equipment, Floorspace, 1999

RSEs for Total Floorspace

All 

Buildings

All

Heated

Buildings

Heating Equipment (more than one may apply)

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 344
Heat 

Pumps Furnaces

Individual 

Space 

Heaters

District 

Heat Boilers

Packaged 

Heating 

Units Other

RSEs for Table B33. Heating Equipment, Floorspace, 1999

RSEs for Total Floorspace

All 

Buildings

All

Heated

Buildings

Heating Equipment (more than one may apply)

Workers (main shift)

Fewer than 5 ................................................ 6.3 6.8 20.0 9.2 9.8 23.2 17.5 11.6 22.9

5 to 9 ............................................................ 7.6 8.0 23.3 12.5 15.0 28.7 16.5 15.3 41.4

10 to 19 ........................................................ 6.7 7.0 16.9 13.0 12.0 28.8 16.9 10.2 30.5

20 to 49 ........................................................ 6.6 6.5 14.8 11.8 10.8 23.1 9.0 9.0 18.8

50 to 99 ........................................................ 8.9 8.9 14.3 19.6 10.9 18.9 12.7 9.1 26.2

100 to 249 .................................................... 7.2 7.3 16.3 16.4 14.2 21.0 9.4 9.5 22.6

250 or More ................................................. 6.3 6.2 12.1 15.7 11.4 13.9 9.1 9.8 15.4

Weekly Operating Hours

39 or Fewer ................................................. 9.8 11.2 23.0 17.7 18.0 40.1 17.2 19.0 27.0

40 to 48 ........................................................ 6.1 6.2 13.1 12.4 12.4 23.0 9.3 9.7 16.4

49 to 60 ........................................................ 6.1 6.2 10.6 8.9 10.7 16.7 12.5 9.3 14.4

61 to 84 ........................................................ 6.1 6.2 16.7 12.7 12.0 19.5 12.3 8.1 16.6

85 to 167 ...................................................... 7.0 6.8 21.1 12.3 14.3 17.6 13.1 9.5 25.4

Open Continuously ...................................... 5.0 4.9 11.3 13.3 8.4 13.7 9.0 7.4 18.1

Multibuilding Facility Activity

Not Part of a Multibuilding

 Facility ........................................................ 4.0 4.0 8.4 6.5 5.8 20.7 6.5 5.0 10.6

College or University ................................... 12.4 12.3 26.8 35.7 24.5 16.7 16.6 28.0 30.9

Primary or Secondary School ...................... 13.1 13.5 26.2 25.2 23.9 53.3 15.6 22.0 64.1

Office Complex ............................................ 11.1 11.1 21.1 30.9 28.6 26.6 23.6 17.8 33.5

Retail Complex ............................................ 13.6 13.8 21.7 23.0 23.7 71.8 32.8 13.7 50.5

Religious Campus or Complex .................... 13.4 13.6 52.3 20.9 32.2 60.3 27.9 25.9 59.9

Health Care Complex .................................. 11.3 11.4 20.0 37.9 25.1 19.9 13.8 18.0 43.4

Government Complex ................................. 21.2 21.0 39.4 34.2 28.3 35.2 21.5 25.0 41.4

Other ............................................................ 9.6 9.0 18.2 18.6 13.1 31.3 16.1 12.5 33.6

Energy Sources (more than

one may apply)

Electricity ..................................................... 3.5 3.5 6.3 5.5 5.0 9.9 5.6 4.8 7.9

Natural Gas ................................................. 3.9 3.9 8.5 5.6 5.9 13.6 5.3 5.7 11.5

Fuel Oil ........................................................ 6.9 6.9 10.6 13.3 11.2 16.9 8.8 9.9 13.6

District Heat ................................................. 9.9 9.8 21.1 45.6 18.4 9.9 30.5 19.9 36.6

District Chilled Water ................................... 12.1 12.2 33.5 57.1 22.2 14.2 28.5 25.6 30.2

Propane ....................................................... 10.9 11.2 20.6 17.4 14.1 42.1 14.3 13.8 31.7

Other ............................................................ 14.0 14.2 28.3 28.6 24.8 31.1 21.3 24.8 32.7

Space-Heating Energy Sources

(more than one may apply)

Electricity ..................................................... 4.1 4.1 6.3 7.5 5.4 15.4 5.9 5.1 9.3

Natural Gas ................................................. 4.2 4.2 9.2 5.7 6.1 25.9 5.9 5.8 13.5

Fuel Oil ........................................................ 10.7 10.7 17.9 16.8 21.4 38.1 10.5 13.1 31.0

District Heat ................................................. 9.9 9.9 21.5 42.0 20.1 9.9 32.1 21.7 38.6

Propane ....................................................... 18.0 18.0 32.9 25.8 23.1 91.7 28.2 23.3 38.1

Other ............................................................ 21.5 21.5 49.1 43.7 30.8 100.3 32.4 41.6 31.7

Primary Space-Heating

Energy Source

Electricity ..................................................... 5.5 5.5 9.0 11.9 9.0 37.7 10.6 6.9 9.7

Natural Gas ................................................. 4.4 4.4 11.2 6.5 6.6 22.2 6.3 6.6 13.4

Fuel Oil ........................................................ 12.4 12.4 37.7 26.5 25.5 60.9 13.1 26.1 41.0

District Heat ................................................. 10.3 10.3 25.3 55.0 22.1 10.3 51.2 24.6 42.0

Propane ....................................................... 19.5 19.5 50.8 28.3 27.7 0.0 37.2 30.6 54.0

Other ............................................................ 25.8 25.8 63.2 64.8 56.9 0.0 36.4 68.1 37.4

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 345
Heat 

Pumps Furnaces

Individual 

Space 

Heaters

District 

Heat Boilers

Packaged 

Heating 

Units Other

RSEs for Table B33. Heating Equipment, Floorspace, 1999

RSEs for Total Floorspace

All 

Buildings

All

Heated

Buildings

Heating Equipment (more than one may apply)

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 3.5 3.5 6.3 5.5 5.0 9.9 5.6 4.8 7.9

Buildings with Cooling ................................. 3.8 3.9 6.4 6.2 5.3 9.9 5.8 4.9 8.6

Buildings with Water Heating ...................... 3.7 3.7 6.8 5.6 5.2 10.1 5.7 4.9 8.1

Buildings with Cooking ................................ 4.4 4.4 7.9 8.5 7.6 15.5 7.0 5.6 12.8

Buildings with Manufacturing ....................... 12.7 12.9 29.2 20.6 19.6 58.7 27.7 15.3 34.4

Buildings with Electricity

 Generation .................................................. 7.4 7.5 10.9 15.7 11.4 15.6 10.3 10.0 14.4

Percent of Floorspace Heated

Not Heated .................................................. 11.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

1 to 50 .......................................................... 8.0 8.0 16.4 12.4 10.4 40.6 19.0 11.1 27.6

51 to 99 ........................................................ 7.1 7.1 12.8 11.2 11.5 24.9 11.6 11.5 17.6

100 ............................................................... 4.0 4.0 8.0 6.6 6.1 9.8 6.5 5.4 9.1

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 6.3 6.3 6.3 16.2 12.3 21.5 9.8 9.6 24.7

Furnaces ...................................................... 5.5 5.5 16.2 5.5 8.6 42.0 10.0 7.9 31.5

Individual Space Heaters ............................ 5.0 5.0 12.3 8.6 5.0 20.1 8.2 7.0 19.0

District Heat ................................................. 9.9 9.9 21.5 42.0 20.1 9.9 32.1 21.7 38.6

Boilers ......................................................... 5.6 5.6 9.8 10.0 8.2 32.1 5.6 8.3 26.6

Packaged Heating Units .............................. 4.8 4.8 9.6 7.9 7.0 21.7 8.3 4.8 19.6

Other ............................................................ 7.9 7.9 24.7 31.5 19.0 38.6 26.6 19.6 7.9

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 6.8 6.8 11.6 9.0 9.2 28.7 13.1 8.6 26.0

Heat Pumps ................................................. 6.5 6.6 6.5 16.3 12.0 20.8 10.5 10.1 21.1

Individual Air Conditioners ........................... 5.9 6.1 17.8 11.5 8.2 19.6 8.8 10.1 15.4

District Chilled Water ................................... 12.1 12.2 33.5 57.1 22.2 14.2 28.5 25.6 30.2

Central Chillers ............................................ 6.0 6.1 11.7 13.3 9.7 15.3 7.7 9.3 13.7

Packaged Air Conditioning

 Units ........................................................... 4.0 4.2 9.2 6.2 6.3 13.6 5.9 5.0 14.5

Swamp Coolers ........................................... 17.5 17.8 24.1 22.1 20.8 55.0 24.6 21.0 68.9

Other ............................................................ 16.3 17.3 34.2 24.1 26.4 26.8 25.6 29.3 23.6

Main Equipment Replaced Since

1995 (more than one may apply)

Heating ........................................................ 7.6 7.6 12.4 10.2 9.9 43.6 11.2 9.6 26.3

Cooling ........................................................ 5.5 5.4 9.6 9.9 7.9 25.2 9.1 7.6 19.4

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 4.5 4.5 6.6 6.8 5.8 12.8 5.9 5.1 11.4

Tinted, Reflective, or

 Shading Glass ............................................ 4.8 5.1 8.5 8.4 6.3 12.4 8.3 6.3 9.7

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ....................... 5.4 5.5 11.2 8.8 9.2 10.6 8.5 6.9 12.8

Economizer Cycle ........................................ 5.2 5.2 8.7 8.3 7.9 10.5 7.4 6.5 13.9

HVAC Maintenance ..................................... 3.9 4.0 7.3 7.1 5.8 9.6 5.8 4.9 9.9

Energy Management and

 Control System (EMCS) ............................. 5.4 5.5 9.0 11.5 8.0 9.6 8.6 6.9 12.1

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 346
Heat 

Pumps Furnaces

Individual 

Space 

Heaters

District 

Heat Boilers

Packaged 

Heating 

Units Other

RSEs for Table B33. Heating Equipment, Floorspace, 1999

RSEs for Total Floorspace

All 

Buildings

All

Heated

Buildings

Heating Equipment (more than one may apply)

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 4.0 4.0 7.6 6.6 6.3 11.7 6.9 5.4 10.0

Cooling ........................................................ 4.4 4.6 7.9 7.6 6.6 12.2 7.9 5.6 10.2

Lighting ........................................................ 4.0 4.1 7.3 6.3 6.7 11.1 6.7 5.6 8.4

Office Equipment ......................................... 6.1 6.2 13.3 18.4 14.0 21.0 8.8 9.6 20.7

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 347
ResidentialType

 Central Air 

Conditioners

Heat 

Pumps

Individual 

Air 

Conditioners

District 

Chilled 

Water

Central 

Chillers

Packaged

 Air 

Conditioning 

Units

Swamp 

Coolers Other

All Buildings ............................................... 4.2 3.9 10.3 10.4 8.0 27.2 14.5 4.7 17.0 29.6

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 6.3 13.8 15.8 12.5 75.7 66.5 8.7 17.8 68.7

5,001 to 10,000 ............................................ 6.7 8.6 19.2 20.8 18.5 82.1 60.0 11.6 37.7 56.5

10,001 to 25,000 .......................................... 7.1 7.3 22.0 19.6 15.6 21.3 15.7 7.6 32.6 38.9

25,001 to 50,000 .......................................... 6.9 8.0 14.6 14.0 11.7 28.4 17.2 8.4 44.7 25.7

50,001 to 100,000 ........................................ 10.3 10.4 17.8 11.6 14.1 14.5 16.7 10.7 30.0 24.4

100,001 to 200,000 ...................................... 6.3 6.7 18.6 15.9 12.0 15.2 12.6 6.4 22.1 29.8

200,001 to 500,000 ...................................... 6.5 6.4 20.4 14.7 13.7 21.9 9.7 8.3 39.3 39.5

Over 500,000 ............................................... 10.7 11.6 27.7 21.7 18.4 28.3 12.4 10.7 56.0 46.9

Principal Building Activity

Education .................................................... 12.3 10.9 40.4 28.4 20.1 51.7 20.4 14.0 53.5 38.9

Food Sales .................................................. 17.2 18.3 45.9 38.7 48.0 0.0 59.0 22.3 82.3 83.1

Food Service ............................................... 9.3 9.8 32.6 48.2 23.3 100.0 48.7 9.6 36.3 100.1

Health Care ................................................. 17.6 17.6 52.5 44.6 47.0 18.4 12.6 21.1 38.5 84.4

 Inpatient ..................................................... 25.6 25.9 28.5 24.0 54.9 25.4 13.0 15.9 62.8 81.4

 Outpatient .................................................. 19.1 19.1 55.8 46.5 66.5 33.3 30.1 22.4 48.6 101.9

Lodging ........................................................ 11.4 13.6 23.2 27.9 15.0 57.1 37.3 22.8 56.1 44.2

Mercantile .................................................... 9.1 9.7 26.4 30.9 20.0 97.3 27.0 9.7 40.8 48.6

 Retail (Other Than Mall) ............................ 10.8 11.7 27.0 46.8 21.7 100.0 44.0 13.4 47.2 57.8

 Enclosed and Strip Malls ........................... 17.7 17.9 63.1 36.9 58.4 100.1 22.5 17.6 40.0 71.2

Office ........................................................... 8.3 8.4 21.3 16.2 24.2 20.6 12.8 11.8 41.3 45.8

Public Assembly .......................................... 13.5 14.8 31.3 35.8 30.5 65.9 41.5 17.4 74.1 55.0

Public Order and Safety .............................. 28.1 22.7 43.5 46.2 46.2 48.6 30.3 24.9 100.1 67.3

Religious Worship ....................................... 12.1 15.3 28.1 35.1 26.2 70.4 59.4 16.9 68.7 62.0

Service ........................................................ 12.8 15.4 32.0 32.9 28.0 100.0 49.9 17.6 45.2 85.6

Warehouse and Storage ............................. 12.4 14.3 24.3 28.4 23.0 102.9 82.3 18.0 56.2 37.7

Other ............................................................ 22.0 28.6 65.9 72.0 62.5 57.4 34.6 20.2 72.9 69.9

Vacant ......................................................... 14.5 28.8 83.6 57.5 56.8 0.0 49.9 46.1 87.6 124.9

Year Constructed

1919 or Before ............................................. 11.3 11.4 26.3 64.2 19.7 78.1 52.7 21.4 61.5 84.9

1920 to 1945 ................................................ 10.9 12.7 26.2 35.9 14.7 38.6 36.8 17.2 49.5 50.2

1946 to 1959 ................................................ 6.7 7.2 21.8 19.8 15.6 29.6 15.6 12.4 35.3 34.0

1960 to 1969 ................................................ 7.4 7.8 22.5 24.4 16.7 14.6 23.1 10.8 40.2 52.5

1970 to 1979 ................................................ 8.1 8.7 20.1 24.9 19.1 69.2 13.6 12.3 34.3 54.9

1980 to 1989 ................................................ 7.4 7.7 17.0 21.9 21.0 50.8 23.6 9.4 48.7 50.6

1990 to 1999 ................................................ 12.9 12.1 28.3 24.7 25.2 34.2 41.0 16.7 33.0 92.9

Census Region

Northeast ..................................................... 8.0 10.0 21.8 21.4 23.0 30.4 17.4 10.6 46.1 79.3

Midwest ....................................................... 9.7 9.5 15.2 23.9 13.3 49.8 18.0 10.1 65.2 52.2

South ........................................................... 5.6 5.4 17.1 12.1 10.6 52.5 28.0 7.9 62.8 50.6

West ............................................................ 10.8 8.7 30.6 30.0 24.8 33.1 24.8 8.7 17.3 54.4

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ................................ 19.0 14.0 23.9 24.0 21.2 49.3 36.5 15.0 95.7 80.6

 5,500-7,000 HDD ...................................... 7.0 8.7 12.6 22.3 17.8 32.8 13.7 7.7 54.5 50.2

 4,000-5,499 HDD ...................................... 16.8 15.0 28.8 20.9 20.1 52.6 33.1 14.0 62.5 77.9

 Fewer than 4,000 HDD .............................. 10.9 9.9 22.3 21.8 22.0 18.7 22.1 11.6 28.7 61.2

2,000 CDD or More and --

 Fewer than 4,000 HDD .............................. 11.1 10.7 24.6 23.1 16.0 49.8 27.9 11.4 51.2 59.9

RSEs for Table B34. Cooling Equipment, Number of Buildings, 1999

Cooling Equipment (more than one may apply)

RSEs for Number of Buildings

All 

Buildings

All Cooled 

Buildings

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 348
ResidentialType

 Central Air 

Conditioners

Heat 

Pumps

Individual 

Air 

Conditioners

District 

Chilled 

Water

Central 

Chillers

Packaged

 Air 

Conditioning 

Units

Swamp 

Coolers Other

RSEs for Table B34. Cooling Equipment, Number of Buildings, 1999

Cooling Equipment (more than one may apply)

RSEs for Number of Buildings

All 

Buildings

All Cooled 

Buildings

Workers (main shift)

Fewer than 5 ................................................ 6.0 6.6 14.3 16.3 10.0 68.2 48.1 8.6 20.4 52.7

5 to 9 ............................................................ 7.9 8.5 20.2 21.0 19.9 49.6 39.2 9.3 34.8 72.9

10 to 19 ........................................................ 7.6 7.9 19.5 20.1 17.1 32.6 32.4 10.7 46.1 35.5

20 to 49 ........................................................ 9.0 9.6 29.9 22.5 22.6 32.3 19.2 9.9 34.9 47.4

50 to 99 ........................................................ 10.7 10.8 35.1 25.5 23.1 43.6 15.0 11.3 25.9 31.5

100 to 249 .................................................... 11.7 11.9 42.7 15.3 31.7 24.3 11.6 9.7 26.7 30.4

250 or More ................................................. 8.6 8.6 16.9 13.3 14.3 23.2 10.8 9.2 34.9 22.5

Weekly Operating Hours

39 or Fewer ................................................. 10.3 13.6 22.5 35.2 20.7 75.6 23.3 16.7 54.1 70.4

40 to 48 ........................................................ 5.9 5.5 17.3 16.0 13.5 73.6 29.9 9.0 35.8 48.3

49 to 60 ........................................................ 8.2 8.8 16.0 17.9 16.9 48.0 31.6 12.0 45.0 60.6

61 to 84 ........................................................ 9.6 9.8 22.2 17.0 23.6 21.0 12.8 10.8 22.4 29.4

85 to 167 ...................................................... 7.7 8.0 31.0 21.3 21.4 21.5 15.3 8.8 37.0 78.0

Open Continuously ...................................... 10.4 10.3 22.8 20.9 13.1 38.9 16.2 14.3 46.4 30.3

Multibuilding Facility Activity

Not Part of a Multibuilding

 Facility ........................................................ 4.6 4.9 11.3 13.5 9.5 34.4 13.6 6.1 15.4 34.8

College or University ................................... 19.4 16.0 59.2 61.8 36.4 18.2 16.6 18.1 60.3 78.2

Primary or Secondary School ...................... 17.7 18.0 30.0 35.0 29.8 93.5 32.9 21.5 68.3 71.5

Office Complex ............................................ 18.9 21.4 64.2 36.3 43.8 68.0 62.5 18.1 46.6 38.5

Retail Complex ............................................ 17.0 18.2 56.6 38.5 47.2 93.6 37.2 20.1 62.2 96.2

Religious Campus or Complex .................... 19.4 21.9 49.8 55.5 37.7 72.3 66.3 28.3 87.4 90.0

Health Care Complex .................................. 24.3 23.7 69.1 49.0 24.3 23.6 13.3 33.6 73.6 84.4

Government Complex ................................. 26.6 29.5 75.9 66.7 58.2 74.0 25.0 24.1 100.0 93.0

Other ............................................................ 10.6 10.8 23.9 27.3 19.3 61.5 39.1 15.9 42.2 44.2

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 3.9 10.3 10.4 8.0 27.2 14.5 4.7 17.0 29.6

Natural Gas ................................................. 4.8 4.9 11.3 16.8 10.5 33.0 17.0 6.1 18.9 31.6

Fuel Oil ........................................................ 16.7 18.9 35.8 38.3 23.6 22.6 10.2 18.4 31.4 27.7

District Heat ................................................. 15.5 16.6 25.3 53.8 24.8 31.5 25.4 23.9 66.5 53.6

District Chilled Water ................................... 27.2 27.2 59.5 41.1 59.4 27.2 34.3 60.6 84.2 49.9

Propane ....................................................... 15.0 15.5 34.7 38.4 22.6 52.2 30.6 16.5 40.1 86.6

Other ............................................................ 18.8 22.2 41.6 61.1 41.0 49.9 26.8 21.5 68.0 76.4

Cooling Energy Sources

(more than one may apply)

Electricity ..................................................... 4.0 4.0 10.3 10.4 8.0 48.0 14.8 4.7 16.9 30.4

Natural Gas ................................................. 18.3 18.3 55.4 49.8 47.5 92.2 24.2 23.3 57.0 74.6

District Chilled Water ................................... 27.2 27.2 59.5 41.1 59.4 27.2 34.3 60.6 84.2 49.9

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 4.1 10.4 10.3 8.3 27.4 14.8 5.0 20.4 30.4

Buildings with Cooling ................................. 3.9 3.9 10.3 10.4 8.0 27.2 14.5 4.7 17.0 29.6

Buildings with Water Heating ...................... 4.4 4.4 12.1 12.3 8.8 21.9 15.0 5.7 19.5 29.5

Buildings with Cooking ................................ 5.8 6.1 26.9 19.4 12.6 21.3 16.4 7.6 27.5 26.6

Buildings with Manufacturing ....................... 16.7 17.5 42.2 51.7 29.9 100.2 33.6 20.2 64.4 100.0

Buildings with Electricity

 Generation .................................................. 14.2 13.1 42.5 29.3 23.4 18.3 31.3 15.6 29.4 24.0

Percent of Floorspace Cooled

Not Cooled .................................................. 10.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

1 to 50 .......................................................... 9.1 9.1 13.9 22.3 12.5 37.2 61.8 11.1 28.9 54.9

51 to 99 ........................................................ 6.9 6.9 15.9 15.1 13.8 27.7 12.9 10.3 36.8 43.2

100 ............................................................... 4.5 4.5 16.5 12.6 12.8 32.8 15.2 6.4 21.7 53.6

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 349
ResidentialType

 Central Air 

Conditioners

Heat 

Pumps

Individual 

Air 

Conditioners

District 

Chilled 

Water

Central 

Chillers

Packaged

 Air 

Conditioning 

Units

Swamp 

Coolers Other

RSEs for Table B34. Cooling Equipment, Number of Buildings, 1999

Cooling Equipment (more than one may apply)

RSEs for Number of Buildings

All 

Buildings

All Cooled 

Buildings

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 10.5 10.5 30.3 10.1 27.2 42.5 15.9 18.9 44.3 62.3

Furnaces ...................................................... 7.4 7.9 11.0 26.5 15.9 63.3 30.7 9.1 26.4 49.6

Individual Space Heaters ............................ 6.7 7.5 18.4 17.2 9.8 48.4 19.9 10.8 29.2 25.9

District Heat ................................................. 16.5 18.0 21.8 21.0 20.8 33.8 26.8 26.3 68.3 78.3

Boilers ......................................................... 7.9 8.1 25.3 27.2 11.3 29.1 18.1 11.1 35.2 45.6

Packaged Heating Units .............................. 6.3 6.4 23.2 20.4 16.3 76.8 12.3 6.4 28.8 27.7

Other ............................................................ 15.1 17.4 39.6 40.2 29.3 35.6 13.1 26.0 56.1 65.5

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 10.3 10.3 10.3 31.1 18.3 59.5 16.2 20.9 57.6 43.2

Heat Pumps ................................................. 10.4 10.4 31.1 10.4 25.9 41.1 15.4 17.4 34.7 62.2

Individual Air Conditioners ........................... 8.0 8.0 18.3 25.9 8.0 59.4 24.7 13.6 49.6 74.2

District Chilled Water ................................... 27.2 27.2 59.5 41.1 59.4 27.2 34.3 60.6 84.2 49.9

Central Chillers ............................................ 14.5 14.5 16.2 15.4 24.7 34.3 14.5 13.8 25.7 46.3

Packaged Air Conditioning

 Units ........................................................... 4.7 4.7 20.9 17.4 13.6 60.6 13.8 4.7 29.2 47.1

Swamp Coolers ........................................... 17.0 17.0 57.6 34.7 49.6 84.2 25.7 29.2 17.0 53.0

Other ............................................................ 29.6 29.6 43.2 62.2 74.2 49.9 46.3 47.1 53.0 29.6

Main Equipment Replaced Since

1995 (more than one may apply)

Heating ........................................................ 6.8 7.2 15.8 16.8 14.7 74.2 21.3 8.7 33.7 61.3

Cooling ........................................................ 5.9 5.9 16.9 13.7 11.9 77.6 16.5 7.8 21.0 55.2

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 6.5 6.0 13.6 13.3 11.8 33.0 19.3 7.3 35.4 37.9

Tinted, Reflective, or

 Shading Glass ............................................ 5.7 5.7 16.8 16.6 14.4 32.4 22.0 8.3 26.3 33.8

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ....................... 9.8 9.3 23.8 21.3 23.7 23.0 22.1 10.6 41.4 37.9

Economizer Cycle ........................................ 8.2 8.2 32.9 15.2 21.0 31.8 13.3 9.1 34.5 45.8

HVAC Maintenance ..................................... 4.8 4.7 13.4 12.1 11.4 27.9 14.9 4.8 22.4 28.9

Energy Management and

 Control System (EMCS) ............................. 10.3 10.5 31.7 17.5 20.5 27.8 10.6 13.6 41.2 33.4

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 5.0 5.0 11.1 13.2 10.5 34.7 19.9 6.7 24.5 35.1

Cooling ........................................................ 4.3 4.3 10.9 12.9 10.3 36.6 19.4 5.5 20.8 32.4

Lighting ........................................................ 4.4 4.3 11.0 10.9 9.2 33.2 17.9 5.1 17.2 31.6

Office Equipment ......................................... 8.5 8.9 20.8 24.0 19.4 21.9 15.7 12.2 33.2 34.4

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 350
ResidentialType

 Central Air 

Conditioners

Heat 

Pumps

Individual 

Air 

Conditioners

District 

Chilled 

Water

Central 

Chillers

Packaged

 Air 

Conditioning 

Units

Swamp 

Coolers Other

All Buildings ............................................... 3.5 3.8 6.8 6.5 5.9 12.1 6.0 4.0 17.5 16.3

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.1 6.2 15.0 19.2 13.5 75.6 66.2 8.6 25.8 67.0

5,001 to 10,000 ............................................ 7.1 8.9 19.4 21.0 19.2 84.9 54.4 11.7 36.8 58.7

10,001 to 25,000 .......................................... 6.8 6.9 20.1 19.3 16.3 21.4 14.4 6.8 31.3 30.9

25,001 to 50,000 .......................................... 6.8 8.0 14.8 15.4 11.2 29.9 16.0 8.5 46.7 24.3

50,001 to 100,000 ........................................ 10.2 10.2 18.1 11.5 13.7 14.5 16.4 10.7 30.1 24.5

100,001 to 200,000 ...................................... 6.4 6.6 18.5 15.9 11.1 15.8 13.3 6.3 20.2 29.5

200,001 to 500,000 ...................................... 6.6 6.8 21.7 15.4 14.7 19.9 10.0 8.8 40.7 40.2

Over 500,000 ............................................... 11.1 11.9 26.7 20.2 20.9 26.3 13.6 11.7 55.1 46.4

Principal Building Activity

Education .................................................... 6.2 6.3 19.5 16.5 11.2 15.4 13.4 10.0 46.1 32.8

Food Sales .................................................. 16.0 16.3 47.0 26.1 61.3 0.0 57.9 13.9 64.7 42.5

Food Service ............................................... 9.7 10.2 31.3 42.3 27.1 100.0 60.9 11.2 39.1 100.1

Health Care ................................................. 7.6 7.2 23.0 17.9 18.4 15.6 9.4 10.3 68.1 77.3

 Inpatient ..................................................... 9.9 9.4 26.7 22.7 18.0 19.0 10.5 11.9 76.5 76.7

 Outpatient .................................................. 10.3 10.3 41.6 34.8 43.3 33.9 28.0 15.0 62.9 101.9

Lodging ........................................................ 11.0 11.8 22.1 19.6 14.2 34.7 25.2 14.8 37.6 52.0

Mercantile .................................................... 8.8 8.9 23.5 20.4 21.9 72.2 24.3 8.3 24.3 47.9

 Retail (Other Than Mall) ............................ 10.7 11.2 28.2 28.9 23.9 100.0 56.0 10.7 26.6 58.2

 Enclosed and Strip Malls ........................... 10.3 10.4 33.0 23.2 45.4 100.2 26.9 10.6 36.4 79.0

Office ........................................................... 6.9 7.0 16.2 9.7 14.6 20.8 8.6 8.1 30.4 24.4

Public Assembly .......................................... 10.8 10.5 28.5 25.2 22.9 27.0 18.6 14.2 43.0 46.8

Public Order and Safety .............................. 22.2 18.6 20.8 40.4 32.4 48.9 26.6 21.0 100.1 61.3

Religious Worship ....................................... 12.0 14.6 23.6 33.2 23.8 75.0 75.5 17.4 57.4 53.5

Service ........................................................ 11.8 14.7 26.6 29.0 25.7 100.0 57.0 16.2 39.2 80.9

Warehouse and Storage ............................. 9.4 10.9 16.4 18.7 16.7 102.9 37.2 12.0 46.9 35.1

Other ............................................................ 13.6 15.5 40.5 56.2 36.7 54.1 29.8 21.0 62.3 58.6

Vacant ......................................................... 12.2 23.2 59.0 54.9 46.4 0.0 42.4 29.4 83.5 124.9

Year Constructed

1919 or Before ............................................. 7.2 7.8 28.0 27.7 13.0 43.7 37.6 14.7 39.1 75.8

1920 to 1945 ................................................ 9.0 9.2 20.1 29.4 13.9 23.0 15.7 10.4 34.5 62.9

1946 to 1959 ................................................ 7.7 8.3 16.5 17.4 12.2 34.4 15.3 11.4 31.5 37.6

1960 to 1969 ................................................ 6.2 7.3 15.3 13.7 11.8 17.1 11.8 8.5 26.3 34.1

1970 to 1979 ................................................ 5.8 6.0 13.3 13.5 15.8 17.7 11.0 6.4 34.8 36.5

1980 to 1989 ................................................ 6.1 6.4 11.8 12.8 14.1 24.6 10.1 7.0 36.3 26.7

1990 to 1999 ................................................ 6.3 6.6 19.9 12.3 12.4 20.5 10.2 7.5 23.8 24.5

Census Region

Northeast ..................................................... 7.7 8.5 11.9 17.1 13.1 25.2 12.5 8.9 59.8 36.9

Midwest ....................................................... 5.0 6.0 9.9 19.8 9.7 26.1 8.9 6.7 35.3 30.8

South ........................................................... 5.3 5.5 13.4 7.1 9.7 20.1 12.0 5.7 41.4 19.9

West ............................................................ 6.0 6.5 18.1 12.3 15.4 18.2 11.2 9.0 21.3 27.1

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ................................ 10.5 8.2 13.8 26.9 15.3 49.2 18.8 10.0 64.0 56.2

 5,500-7,000 HDD ...................................... 7.1 8.6 14.7 20.9 10.9 25.1 9.3 7.4 42.3 38.9

 4,000-5,499 HDD ...................................... 9.1 8.6 20.2 11.1 12.4 21.5 10.5 8.4 43.1 29.2

 Fewer than 4,000 HDD .............................. 8.9 9.1 17.3 12.0 18.7 26.1 16.9 10.1 26.5 23.4

2,000 CDD or More and --

 Fewer than 4,000 HDD .............................. 9.4 9.2 20.3 18.3 15.2 19.4 12.0 9.6 35.1 33.5

RSEs for Table B35. Cooling Equipment, Floorspace, 1999

Cooling Equipment (more than one may apply)

RSEs for Floorspace

All 

Buildings

All Cooled 

Buildings

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 351
ResidentialType

 Central Air 

Conditioners

Heat 

Pumps

Individual 

Air 

Conditioners

District 

Chilled 

Water

Central 

Chillers

Packaged

 Air 

Conditioning 

Units

Swamp 

Coolers Other

RSEs for Table B35. Cooling Equipment, Floorspace, 1999

Cooling Equipment (more than one may apply)

RSEs for Floorspace

All 

Buildings

All Cooled 

Buildings

Workers (main shift)

Fewer than 5 ................................................ 6.3 7.6 16.2 18.4 12.2 38.5 32.9 9.4 27.8 49.5

5 to 9 ............................................................ 7.6 8.7 14.6 22.7 18.9 49.9 43.1 11.2 41.8 59.6

10 to 19 ........................................................ 6.7 7.5 18.7 17.6 16.1 34.7 27.2 7.4 36.6 39.2

20 to 49 ........................................................ 6.6 7.4 16.3 14.9 13.6 29.6 15.2 7.5 26.7 26.2

50 to 99 ........................................................ 8.9 8.8 19.4 14.1 11.6 20.5 16.7 8.9 24.1 31.7

100 to 249 .................................................... 7.2 7.2 22.3 16.5 9.7 22.6 9.6 9.0 23.3 34.9

250 or More ................................................. 6.3 6.4 18.4 12.2 12.9 17.5 8.0 8.2 36.5 26.4

Weekly Operating Hours

39 or Fewer ................................................. 9.8 12.9 22.5 25.5 21.6 58.0 26.1 15.7 48.6 60.6

40 to 48 ........................................................ 6.1 6.3 16.1 12.7 11.5 28.9 16.3 7.4 32.5 27.1

49 to 60 ........................................................ 6.1 6.4 13.9 10.3 13.0 21.1 11.8 7.6 40.3 34.0

61 to 84 ........................................................ 6.1 6.4 15.0 15.0 16.7 17.9 13.5 6.7 22.6 26.3

85 to 167 ...................................................... 7.0 7.1 17.6 20.8 15.3 21.0 13.3 7.7 30.2 33.4

Open Continuously ...................................... 5.0 5.4 10.8 11.2 9.5 17.1 9.1 7.0 28.4 28.5

Multibuilding Facility Activity

Not Part of a Multibuilding

 Facility ........................................................ 4.0 4.3 8.6 8.4 7.7 24.6 8.0 4.6 17.5 17.9

College or University ................................... 12.4 12.1 30.6 29.1 24.5 18.4 13.1 16.7 59.2 48.8

Primary or Secondary School ...................... 13.1 13.0 30.5 24.9 18.9 49.6 23.0 18.0 60.9 71.4

Office Complex ............................................ 11.1 11.6 44.0 23.9 26.5 33.2 15.6 11.9 32.7 49.3

Retail Complex ............................................ 13.6 13.9 36.1 20.8 33.8 59.9 37.8 14.0 44.1 59.2

Religious Campus or Complex .................... 13.4 16.4 38.9 46.6 37.7 77.7 52.4 19.8 97.5 65.5

Health Care Complex .................................. 11.3 11.2 26.5 20.9 18.8 17.1 12.2 14.1 83.0 77.3

Government Complex ................................. 21.2 19.9 46.8 40.5 35.1 39.1 27.2 25.0 100.0 79.3

Other ............................................................ 9.6 8.8 19.1 18.7 13.4 31.2 22.7 11.4 34.8 40.2

Energy Sources (more than

one may apply)

Electricity ..................................................... 3.5 3.8 6.8 6.5 5.9 12.1 6.0 4.0 17.5 16.3

Natural Gas ................................................. 3.9 4.3 7.0 9.0 6.4 14.6 6.9 4.8 18.2 18.9

Fuel Oil ........................................................ 6.9 7.4 13.3 12.5 10.9 17.4 8.5 8.0 32.9 28.4

District Heat ................................................. 9.9 9.9 26.6 20.3 18.0 14.4 15.1 13.5 48.9 23.7

District Chilled Water ................................... 12.1 12.1 31.4 33.6 24.4 12.1 29.5 18.1 77.2 47.1

Propane ....................................................... 10.9 11.7 24.3 21.2 13.9 38.9 17.0 13.1 29.9 44.1

Other ............................................................ 14.0 14.5 26.0 28.0 22.1 43.2 28.1 20.4 35.2 46.5

Cooling Energy Sources

(more than one may apply)

Electricity ..................................................... 4.0 4.0 6.8 6.5 5.9 15.3 6.1 4.1 17.5 16.8

Natural Gas ................................................. 12.2 12.2 29.0 27.5 23.3 70.7 20.3 14.8 44.0 69.7

District Chilled Water ................................... 12.1 12.1 31.4 33.6 24.4 12.1 29.5 18.1 77.2 47.1

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 3.5 3.9 6.8 6.6 6.1 12.2 6.1 4.2 17.8 17.3

Buildings with Cooling ................................. 3.8 3.8 6.8 6.5 5.9 12.1 6.0 4.0 17.5 16.3

Buildings with Water Heating ...................... 3.7 3.9 7.5 6.8 5.7 12.5 6.2 4.2 18.4 17.3

Buildings with Cooking ................................ 4.4 4.3 9.7 8.3 8.7 20.0 7.4 5.2 24.2 27.4

Buildings with Manufacturing ....................... 12.7 13.0 29.7 25.9 23.2 100.2 31.9 14.6 35.3 100.0

Buildings with Electricity

 Generation .................................................. 7.4 7.5 14.1 11.8 12.2 16.3 9.4 8.4 28.3 26.1

Percent of Floorspace Cooled

Not Cooled .................................................. 8.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

1 to 50 .......................................................... 6.9 6.9 10.7 13.7 9.8 31.6 16.5 7.4 23.9 27.8

51 to 99 ........................................................ 4.5 4.5 9.0 9.2 10.5 18.3 6.9 6.2 36.7 22.3

100 ............................................................... 5.2 5.2 11.2 8.8 9.6 14.1 9.9 5.8 21.0 28.5

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 352
ResidentialType

 Central Air 

Conditioners

Heat 

Pumps

Individual 

Air 

Conditioners

District 

Chilled 

Water

Central 

Chillers

Packaged

 Air 

Conditioning 

Units

Swamp 

Coolers Other

RSEs for Table B35. Cooling Equipment, Floorspace, 1999

Cooling Equipment (more than one may apply)

RSEs for Floorspace

All 

Buildings

All Cooled 

Buildings

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 6.3 6.4 11.6 6.5 17.8 33.5 11.7 9.2 24.1 34.2

Furnaces ...................................................... 5.5 6.2 9.0 16.3 11.5 57.1 13.3 6.2 22.1 24.1

Individual Space Heaters ............................ 5.0 5.3 9.2 12.0 8.2 22.2 9.7 6.3 20.8 26.4

District Heat ................................................. 9.9 9.9 28.7 20.8 19.6 14.2 15.3 13.6 55.0 26.8

Boilers ......................................................... 5.6 5.8 13.1 10.5 8.8 28.5 7.7 5.9 24.6 25.6

Packaged Heating Units .............................. 4.8 4.9 8.6 10.1 10.1 25.6 9.3 5.0 21.0 29.3

Other ............................................................ 7.9 8.6 26.0 21.1 15.4 30.2 13.7 14.5 68.9 23.6

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 6.8 6.8 6.8 11.5 11.6 31.4 14.2 7.8 29.8 54.3

Heat Pumps ................................................. 6.5 6.5 11.5 6.5 17.6 33.6 11.4 9.1 26.7 33.4

Individual Air Conditioners ........................... 5.9 5.9 11.6 17.6 5.9 24.4 12.6 7.6 22.6 32.9

District Chilled Water ................................... 12.1 12.1 31.4 33.6 24.4 12.1 29.5 18.1 77.2 47.1

Central Chillers ............................................ 6.0 6.0 14.2 11.4 12.6 29.5 6.0 7.8 28.6 34.4

Packaged Air Conditioning

 Units ........................................................... 4.0 4.0 7.8 9.1 7.6 18.1 7.8 4.0 18.6 24.4

Swamp Coolers ........................................... 17.5 17.5 29.8 26.7 22.6 77.2 28.6 18.6 17.5 59.4

Other ............................................................ 16.3 16.3 54.3 33.4 32.9 47.1 34.4 24.4 59.4 16.3

Main Equipment Replaced Since

1995 (more than one may apply)

Heating ........................................................ 7.6 8.0 13.9 12.6 13.7 35.2 12.8 8.2 23.3 34.2

Cooling ........................................................ 5.5 5.5 10.2 9.5 7.8 38.9 10.0 5.8 23.6 29.3

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 4.5 4.5 8.2 6.7 7.2 14.2 6.7 4.7 16.7 20.7

Tinted, Reflective, or

 Shading Glass ............................................ 4.8 4.9 11.0 8.2 8.3 14.9 7.8 5.5 25.4 24.1

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ....................... 5.4 5.4 13.0 10.5 12.1 13.7 7.4 6.4 26.8 20.9

Economizer Cycle ........................................ 5.2 5.2 11.0 9.0 8.1 14.6 7.3 5.6 22.3 24.5

HVAC Maintenance ..................................... 3.9 4.0 8.4 7.7 6.7 12.2 6.1 4.1 18.1 17.3

Energy Management and

 Control System (EMCS) ............................. 5.4 5.8 10.3 8.6 9.2 12.7 7.3 6.4 31.7 23.1

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 4.0 4.4 8.5 7.5 8.4 14.9 8.2 4.7 22.5 23.4

Cooling ........................................................ 4.4 4.4 9.1 8.0 8.6 15.9 7.9 4.6 24.0 21.5

Lighting ........................................................ 4.0 4.3 8.3 7.4 8.1 14.4 7.4 4.4 20.0 18.4

Office Equipment ......................................... 6.1 6.5 23.4 14.4 12.8 23.4 10.5 7.4 30.6 29.6

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 353
Walk-In

Open 

Cases or 

Cabinets

Closed 

Cases or 

Cabinets Walk-In

Open 

Cases or 

Cabinets

Closed 

Cases or 

Cabinets

All Buildings ............................................... 4.2 5.9 6.7 13.3 5.7 3.5 3.9 5.2 7.9 3.9

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 9.6 11.0 22.6 10.3 6.1 10.6 12.1 21.1 11.1

5,001 to 10,000 ............................................ 6.7 17.7 21.8 28.0 18.7 7.1 18.6 22.7 28.6 19.7

10,001 to 25,000 .......................................... 7.1 15.4 20.5 29.9 18.3 6.8 15.1 18.2 33.7 18.4

25,001 to 50,000 .......................................... 6.9 10.0 13.2 14.9 10.1 6.8 9.9 13.7 15.3 9.8

50,001 to 100,000 ........................................ 10.3 10.5 13.0 17.2 11.0 10.2 10.3 12.6 17.2 11.0

100,001 to 200,000 ...................................... 6.3 8.2 9.6 11.2 10.7 6.4 8.5 10.2 12.3 11.2

200,001 to 500,000 ...................................... 6.5 7.2 7.6 11.4 8.6 6.6 7.7 8.0 10.6 9.2

Over 500,000 ............................................... 10.7 11.7 11.7 17.9 12.4 11.1 12.3 12.7 18.5 12.7

Principal Building Activity

Education .................................................... 12.3 10.3 11.5 20.7 13.5 6.2 7.8 10.6 15.6 9.9

Food Sales .................................................. 17.2 18.6 20.4 26.2 17.1 16.0 16.5 13.2 18.5 17.3

Food Service ............................................... 9.3 9.8 10.6 19.3 11.1 9.7 9.8 10.6 20.9 11.4

Health Care ................................................. 17.6 23.7 15.5 22.8 30.9 7.6 10.1 10.4 12.1 11.0

 Inpatient ..................................................... 25.6 27.5 15.4 24.3 37.7 9.9 10.4 10.7 12.2 11.2

 Outpatient .................................................. 19.1 37.4 67.1 48.7 38.1 10.3 29.7 54.3 51.2 28.9

Lodging ........................................................ 11.4 13.4 15.6 21.4 12.9 11.0 14.5 16.9 23.0 16.1

Mercantile .................................................... 9.1 15.2 18.7 25.5 17.7 8.8 10.2 11.1 11.2 10.9

 Retail (Other Than Mall) ............................ 10.8 22.6 30.9 50.1 27.3 10.7 15.8 17.4 21.0 17.5

 Enclosed and Strip Malls ........................... 17.7 20.5 20.4 25.9 22.0 10.3 11.8 12.4 12.4 12.5

Office ........................................................... 8.3 22.4 34.0 14.8 11.4 6.9 10.8 12.7 14.9 12.5

Public Assembly .......................................... 13.5 27.9 35.3 67.1 34.0 10.8 15.7 19.2 31.1 17.6

Public Order and Safety .............................. 28.1 64.0 36.0 66.7 79.8 22.2 28.5 27.0 59.1 44.6

Religious Worship ....................................... 12.1 33.3 62.7 100.0 36.0 12.0 27.6 62.3 100.0 26.6

Service ........................................................ 12.8 62.6 89.5 69.9 77.9 11.8 50.0 58.1 78.9 54.9

Warehouse and Storage ............................. 12.4 33.1 15.4 62.7 52.4 9.4 17.2 18.3 79.8 33.2

Other ............................................................ 22.0 34.6 46.6 59.8 36.7 13.6 34.3 41.1 66.9 37.7

Vacant ......................................................... 14.5 48.8 55.2 0.0 50.8 12.2 54.9 59.5 0.0 64.7

Year Constructed

1919 or Before ............................................. 11.3 29.1 36.0 77.4 32.1 7.2 22.5 29.2 42.9 24.6

1920 to 1945 ................................................ 10.9 21.1 25.4 50.1 21.9 9.0 16.5 18.6 21.0 18.1

1946 to 1959 ................................................ 6.7 17.9 22.9 28.1 20.8 7.7 12.1 13.4 15.6 14.2

1960 to 1969 ................................................ 7.4 17.9 20.9 18.6 20.0 6.2 10.3 11.7 17.2 11.0

1970 to 1979 ................................................ 8.1 15.0 16.4 26.5 17.0 5.8 9.0 9.3 12.4 9.7

1980 to 1989 ................................................ 7.4 17.1 20.8 24.2 18.0 6.1 8.6 9.6 13.9 9.6

1990 to 1999 ................................................ 12.9 19.7 24.1 30.7 20.9 6.3 7.4 9.2 11.1 7.3

Census Region

Northeast ..................................................... 8.0 10.4 15.7 38.6 13.2 7.7 9.2 10.5 17.0 10.4

Midwest ....................................................... 9.7 16.1 16.8 25.6 18.6 5.0 6.7 7.6 11.3 8.2

South ........................................................... 5.6 9.9 10.5 21.5 10.0 5.3 7.4 9.0 9.2 7.4

West ............................................................ 10.8 13.8 16.0 23.4 13.5 6.0 7.4 10.3 16.9 9.6

Workers (main shift)

Fewer than 5 ................................................ 6.0 11.7 16.6 29.6 11.9 6.3 13.1 17.3 33.1 14.4

5 to 9 ............................................................ 7.9 17.0 20.8 37.1 17.9 7.6 14.5 19.7 29.7 16.2

10 to 19 ........................................................ 7.6 13.8 15.1 22.6 15.3 6.7 14.5 14.6 17.2 18.9

20 to 49 ........................................................ 9.0 11.9 12.7 21.1 15.4 6.6 7.6 9.4 12.1 9.5

50 to 99 ........................................................ 10.7 15.5 18.2 27.9 17.2 8.9 10.5 11.2 13.9 11.2

100 to 249 .................................................... 11.7 8.9 10.2 14.4 9.4 7.2 9.4 10.3 15.4 10.6

250 or More ................................................. 8.6 7.9 8.2 10.3 8.4 6.3 7.5 9.2 11.9 8.1

RSEs for Number of Buildings RSEs for Total Floorspace

RSEs for Table B36. Refrigeration Equipment, Number of Buildings and Floorspace, 1999

Type of Equipment 

(more than one may apply)

Type of Equipment 

(more than one may apply)

All 

Buildings

All Buildings 

with 

Refrigeration 

Equipment

All 

Buildings

All Buildings 

with 

Refrigeration 

Equipment

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 354
Walk-In

Open 

Cases or 

Cabinets

Closed 

Cases or 

Cabinets Walk-In

Open 

Cases or 

Cabinets

Closed 

Cases or 

Cabinets

RSEs for Number of Buildings RSEs for Total Floorspace

RSEs for Table B36. Refrigeration Equipment, Number of Buildings and Floorspace, 1999

Type of Equipment 

(more than one may apply)

Type of Equipment 

(more than one may apply)

All 

Buildings

All Buildings 

with 

Refrigeration 

Equipment

All 

Buildings

All Buildings 

with 

Refrigeration 

Equipment

Weekly Operating Hours

39 or Fewer ................................................. 10.3 29.4 38.0 62.5 30.7 9.8 22.8 21.7 41.6 25.7

40 to 48 ........................................................ 5.9 16.6 20.6 40.1 20.2 6.1 9.3 11.7 16.9 10.5

49 to 60 ........................................................ 8.2 17.3 20.6 32.8 19.8 6.1 11.5 14.1 19.4 10.1

61 to 84 ........................................................ 9.6 12.5 14.5 20.8 15.5 6.1 8.3 9.9 13.9 8.8

85 to 167 ...................................................... 7.7 11.7 12.4 19.3 11.3 7.0 8.8 9.4 11.2 9.7

Open Continuously ...................................... 10.4 18.6 21.9 34.9 16.6 5.0 6.5 7.4 10.3 7.7

Multibuilding Facility Activity

Not Part of a Multibuilding

 Facility ........................................................ 4.6 6.6 8.2 15.9 6.5 4.0 4.3 5.3 7.5 5.1

College or University ................................... 19.4 20.9 24.5 34.3 24.0 12.4 20.8 20.5 31.1 25.6

Primary or Secondary School ...................... 17.7 18.0 19.8 32.9 24.5 13.1 17.3 18.8 26.4 16.5

Office Complex ............................................ 18.9 20.2 25.6 23.7 21.5 11.1 21.9 22.4 27.5 24.6

Retail Complex ............................................ 17.0 26.6 26.0 37.6 30.9 13.6 16.5 16.7 17.4 17.0

Religious Campus or Complex .................... 19.4 18.5 64.4 100.0 16.8 13.4 27.8 56.0 100.0 30.0

Health Care Complex .................................. 24.3 38.8 45.2 24.1 19.1 11.3 11.4 11.9 14.1 13.3

Government Complex ................................. 26.6 22.0 34.3 48.6 29.3 21.2 29.0 38.1 61.5 33.5

Other ............................................................ 10.6 25.2 28.2 52.0 29.6 9.6 10.3 12.9 30.6 13.9

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 5.9 6.7 13.3 5.7 3.5 3.9 5.2 7.9 3.9

Natural Gas ................................................. 4.8 6.8 7.5 12.9 7.8 3.9 4.3 5.8 8.2 4.2

Fuel Oil ........................................................ 16.7 17.9 23.1 12.2 19.3 6.9 7.9 8.3 14.1 9.0

District Heat ................................................. 15.5 31.8 37.3 53.5 30.9 9.9 15.5 17.2 18.4 17.3

District Chilled Water ................................... 27.2 20.2 23.6 27.8 23.0 12.1 19.1 20.3 20.4 20.6

Propane ....................................................... 15.0 16.3 23.0 33.4 17.0 10.9 13.7 15.4 18.9 14.0

Other ............................................................ 18.8 30.7 25.3 74.3 35.1 14.0 17.9 19.9 31.5 19.1

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 6.4 6.7 14.2 6.4 3.5 3.9 5.2 8.2 4.0

Buildings with Cooling ................................. 3.9 6.1 6.8 13.5 6.1 3.8 4.1 5.4 8.0 3.9

Buildings with Water Heating ...................... 4.4 5.9 6.8 13.4 5.7 3.7 4.0 5.4 8.1 3.9

Buildings with Cooking ................................ 5.8 6.5 7.2 12.0 6.5 4.4 4.4 5.8 8.3 4.3

Buildings with Manufacturing ....................... 16.7 49.5 25.5 42.8 61.6 12.7 25.4 30.0 46.0 30.3

Buildings with Electricity

 Generation .................................................. 14.2 14.9 18.2 10.4 17.0 7.4 9.0 9.0 13.7 9.5

Energy-Related Space Functions

(more than one may apply)

Commercial Food Preparation .................... 5.8 6.8 7.1 12.3 7.1 4.5 4.4 5.8 8.4 4.3

Activities with Large

 Amounts of Hot Water ................................ 6.3 7.6 7.5 16.1 8.2 4.0 4.6 5.6 9.3 4.4

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 355
Centralized 

System

Distributed 

System

Combination 

Centralized 

and 

Distributed 

Systems

Centralized 

System

Distributed 

System

Combination 

Centralized 

and 

Distributed 

Systems

All Buildings .......................................... 4.2 4.4 5.0 9.5 11.0 3.5 3.7 4.1 7.3 5.5

Building Floorspace

(Square Feet)

1,001 to 5,000 ......................................... 6.8 6.9 7.4 16.1 36.2 6.1 6.8 7.2 19.9 36.5

5,001 to 10,000 ....................................... 6.7 8.5 10.6 16.2 33.1 7.1 8.7 10.7 16.0 34.1

10,001 to 25,000 ..................................... 7.1 7.0 8.0 15.6 20.8 6.8 6.9 8.3 14.7 19.7

25,001 to 50,000 ..................................... 6.9 7.1 8.4 15.1 14.6 6.8 7.1 8.4 16.1 13.3

50,001 to 100,000 ................................... 10.3 10.6 11.9 18.1 12.4 10.2 10.5 11.9 19.1 12.3

100,001 to 200,000 ................................. 6.3 6.8 8.3 14.0 11.4 6.4 6.7 8.2 14.1 11.6

200,001 to 500,000 ................................. 6.5 6.3 8.5 15.7 12.6 6.6 6.5 8.1 17.4 13.1

Over 500,000 ........................................... 10.7 11.3 14.4 22.1 11.1 11.1 11.8 14.6 19.6 12.9

Principal Building Activity

Education ................................................ 12.3 10.7 12.4 25.0 17.0 6.2 6.7 8.5 22.3 11.3

Food Sales .............................................. 17.2 17.1 17.5 54.6 57.6 16.0 16.3 15.7 39.0 40.6

Food Service ........................................... 9.3 9.3 10.4 64.5 35.3 9.7 9.7 10.8 66.1 34.8

Health Care ............................................. 17.6 17.7 17.1 59.6 24.3 7.6 7.7 8.9 40.8 11.9

 Inpatient ................................................. 25.6 25.7 33.8 54.5 28.6 9.9 9.9 12.1 54.8 14.1

 Outpatient .............................................. 19.1 19.2 18.6 60.3 40.7 10.3 10.5 12.3 39.0 38.1

Lodging .................................................... 11.4 12.2 13.8 41.6 21.7 11.0 11.1 12.2 30.4 22.4

Mercantile ................................................ 9.1 10.4 13.0 15.8 21.4 8.8 8.6 11.5 11.0 21.1

 Retail (Other Than Mall) ........................ 10.8 12.1 13.2 26.9 39.4 10.7 11.6 13.4 17.6 33.8

 Enclosed and Strip Malls ....................... 17.7 18.2 30.6 21.5 26.5 10.3 10.1 15.8 13.0 23.2

Office ....................................................... 8.3 8.9 11.9 20.0 23.6 6.9 6.9 8.8 12.3 9.6

Public Assembly ...................................... 13.5 15.0 16.7 33.0 43.1 10.8 10.8 12.5 24.8 19.7

Public Order and Safety .......................... 28.1 35.2 38.0 46.5 38.2 22.2 23.3 26.7 35.9 27.7

Religious Worship ................................... 12.1 13.5 14.4 41.2 41.9 12.0 13.0 13.6 46.4 32.1

Service .................................................... 12.8 16.3 17.8 32.2 38.3 11.8 13.6 11.9 35.2 67.6

Warehouse and Storage ......................... 12.4 16.6 15.9 31.5 23.4 9.4 10.5 11.3 15.6 22.1

Other ....................................................... 22.0 30.9 36.6 53.6 30.0 13.6 18.3 25.2 38.2 34.4

Vacant ..................................................... 14.5 30.6 31.6 54.7 71.0 12.2 24.1 28.1 55.1 75.7

Year Constructed

1919 or Before ......................................... 11.3 12.5 12.9 32.5 32.7 7.2 8.7 9.9 18.4 21.0

1920 to 1945 ........................................... 10.9 12.3 14.8 27.7 30.6 9.0 9.0 11.5 25.0 15.9

1946 to 1959 ........................................... 6.7 7.7 10.1 26.0 22.5 7.7 8.2 9.2 20.2 17.1

1960 to 1969 ........................................... 7.4 8.3 9.7 23.7 31.2 6.2 6.6 7.4 19.6 14.8

1970 to 1979 ........................................... 8.1 9.8 11.3 17.8 24.2 5.8 6.6 6.7 14.9 15.6

1980 to 1989 ........................................... 7.4 7.9 8.9 16.8 23.2 6.1 6.4 8.8 10.7 12.2

1990 to 1999 ........................................... 12.9 13.0 13.9 22.5 26.5 6.3 6.0 6.7 12.3 9.8

Census Region

Northeast ................................................. 8.0 7.5 9.1 14.7 34.3 7.7 7.5 7.2 19.8 14.8

Midwest ................................................... 9.7 11.1 12.2 21.7 22.4 5.0 5.0 5.9 11.5 8.6

South ....................................................... 5.6 6.2 8.0 14.1 18.7 5.3 5.8 7.0 9.9 10.5

West ........................................................ 10.8 9.1 10.2 16.4 14.1 6.0 6.4 8.9 10.7 8.7

Workers (main shift)

Fewer than 5 ........................................... 6.0 8.2 8.3 20.7 31.5 6.3 9.3 9.3 18.9 32.2

5 to 9 ....................................................... 7.9 8.2 10.0 19.2 36.6 7.6 8.2 9.4 19.1 29.4

10 to 19 ................................................... 7.6 8.5 10.0 18.6 30.2 6.7 7.1 7.9 15.7 20.5

20 to 49 ................................................... 9.0 8.9 11.5 20.4 19.4 6.6 6.3 7.4 13.5 14.3

50 to 99 ................................................... 10.7 10.6 15.0 17.8 16.5 8.9 8.9 10.4 16.2 14.1

100 to 249 ............................................... 11.7 11.9 15.3 14.5 13.5 7.2 7.2 7.4 14.3 13.1

250 or More ............................................. 8.6 8.6 11.1 12.9 12.3 6.3 6.2 8.2 11.1 9.0

RSEs for Table B37. Water Heating Equipment, Number of Buildings and Floorspace, 1999

Type of Water Heating

Equipment

Type of Water Heating

Equipment

All 

Buildings

All 

Buildings 

with Water 

Heating

All 

Buildings

All 

Buildings 

with Water 

Heating

RSEs for Number of Buildings RSEs for Total Floorspace

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 356
Centralized 

System

Distributed 

System

Combination 

Centralized 

and 

Distributed 

Systems

Centralized 

System

Distributed 

System

Combination 

Centralized 

and 

Distributed 

Systems

RSEs for Table B37. Water Heating Equipment, Number of Buildings and Floorspace, 1999

Type of Water Heating

Equipment

Type of Water Heating

Equipment

All 

Buildings

All 

Buildings 

with Water 

Heating

All 

Buildings

All 

Buildings 

with Water 

Heating

RSEs for Number of Buildings RSEs for Total Floorspace

Weekly Operating Hours

39 or Fewer ............................................. 10.3 14.5 15.1 34.6 44.1 9.8 13.8 15.2 20.0 40.7

40 to 48 ................................................... 5.9 7.3 9.6 17.3 21.8 6.1 6.8 8.7 12.9 14.3

49 to 60 ................................................... 8.2 8.5 9.9 19.9 19.0 6.1 6.6 6.6 15.5 10.5

61 to 84 ................................................... 9.6 10.9 12.8 22.7 20.5 6.1 6.0 8.4 11.6 11.0

85 to 167 ................................................. 7.7 7.8 9.3 24.5 27.0 7.0 7.1 8.3 14.6 16.0

Open Continuously .................................. 10.4 9.9 10.9 22.9 27.4 5.0 4.9 7.2 13.2 11.0

Multibuilding Facility Activity

Not Part of a Multibuilding

 Facility .................................................... 4.6 5.2 6.2 9.6 13.8 4.0 4.2 5.3 7.8 8.4

College or University ............................... 19.4 19.4 19.3 44.9 23.4 12.4 12.0 13.6 28.3 22.0

Primary or Secondary School .................. 17.7 13.4 16.0 38.3 21.6 13.1 14.5 15.4 34.0 17.2

Office Complex ........................................ 18.9 20.9 15.9 41.2 25.9 11.1 11.6 14.0 26.7 19.2

Retail Complex ........................................ 17.0 18.6 21.5 27.3 34.1 13.6 13.2 18.1 17.0 25.0

Religious Campus or Complex ................ 19.4 18.9 20.6 46.5 55.7 13.4 13.6 14.4 34.1 41.4

Health Care Complex .............................. 24.3 21.8 21.1 78.4 51.7 11.3 10.4 11.9 34.7 18.3

Government Complex ............................. 26.6 29.3 37.3 50.0 41.6 21.2 21.1 24.3 38.8 39.4

Other ....................................................... 10.6 11.8 14.6 25.8 33.0 9.6 8.7 10.0 17.8 20.6

Energy Sources (more than

one may apply)

Electricity ................................................. 4.1 4.4 5.0 9.5 11.0 3.5 3.7 4.1 7.3 5.5

Natural Gas ............................................. 4.8 5.0 5.9 13.2 10.6 3.9 3.9 4.6 7.7 5.6

Fuel Oil .................................................... 16.7 16.0 18.2 34.3 26.2 6.9 6.9 8.4 17.8 9.2

District Heat ............................................. 15.5 16.4 18.9 23.0 28.7 9.9 10.2 10.9 23.5 15.2

District Chilled Water .............................. 27.2 21.9 28.6 35.4 23.0 12.1 12.5 15.1 30.0 17.1

Propane ................................................... 15.0 15.0 17.4 31.4 34.6 10.9 10.4 12.8 19.8 25.0

Other ....................................................... 18.8 25.2 28.8 47.5 27.1 14.0 13.9 16.2 33.5 33.0

Water-Heating Energy Sources

(more than one may apply)

Electricity ................................................. 6.0 6.0 8.3 12.2 17.4 5.5 5.5 6.1 8.9 10.4

Natural Gas ............................................. 6.1 6.1 7.1 18.0 12.2 4.4 4.4 5.5 9.5 5.7

Fuel Oil .................................................... 20.3 20.3 22.4 59.5 55.9 11.5 11.5 14.0 54.4 27.0

District Heat ............................................. 17.3 17.3 20.1 27.1 24.2 10.8 10.8 11.4 27.0 17.9

Propane ................................................... 18.9 18.9 22.5 64.7 50.1 17.3 17.3 19.6 43.0 48.7

Energy End Uses (more than

one may apply)

Buildings with Space Heating .................. 4.2 4.5 5.1 10.1 10.8 3.5 3.7 4.0 7.5 5.5

Buildings with Cooling ............................. 3.9 4.4 5.3 10.1 11.4 3.8 3.9 4.3 7.7 5.5

Buildings with Water Heating .................. 4.4 4.4 5.0 9.5 11.0 3.7 3.7 4.1 7.3 5.5

Buildings with Cooking ............................ 5.8 6.3 7.3 17.2 14.4 4.4 4.5 5.0 10.8 7.1

Buildings with Manufacturing ................... 16.7 22.2 27.6 38.7 30.1 12.7 14.7 15.6 22.9 32.4

Buildings with Electricity

 Generation .............................................. 14.2 12.9 13.8 53.1 10.5 7.4 7.4 9.4 12.9 9.0

Energy-Related Space Functions

(more than one may apply)

Commercial Food Preparation ................ 5.8 6.3 7.3 18.0 14.2 4.5 4.6 5.2 10.9 7.0

Activities with Large

 Amounts of Hot Water ............................ 6.3 6.3 7.8 22.6 13.1 4.0 4.0 5.1 12.1 7.0

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 357
Incandescent

Standard 

Fluorescent

Compact 

Fluorescent

High-Intensity 

Discharge Halogen

All Buildings ............................................... 4.2 4.1 4.9 4.1 9.0 10.9 9.1

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.8 6.7 8.7 6.8 18.7 27.5 17.5

5,001 to 10,000 ............................................ 6.7 7.2 10.4 7.4 17.0 26.5 22.7

10,001 to 25,000 .......................................... 7.1 6.8 9.3 7.3 12.1 20.7 14.9

25,001 to 50,000 .......................................... 6.9 7.0 9.3 7.6 11.4 10.0 11.9

50,001 to 100,000 ........................................ 10.3 10.3 10.7 10.1 12.3 13.9 10.4

100,001 to 200,000 ...................................... 6.3 6.4 8.2 6.3 9.2 8.0 8.6

200,001 to 500,000 ...................................... 6.5 6.4 8.5 6.6 8.1 8.0 9.2

Over 500,000 ............................................... 10.7 10.7 14.4 11.1 13.6 13.5 11.0

Principal Building Activity

Education .................................................... 12.3 12.3 11.5 12.3 16.1 10.2 18.4

Food Sales .................................................. 17.2 17.3 28.3 17.4 58.2 34.6 50.5

Food Service ............................................... 9.3 9.3 10.6 10.6 25.7 53.0 18.4

Health Care ................................................. 17.6 17.6 17.1 17.7 31.6 38.7 31.0

 Inpatient ..................................................... 25.6 25.6 29.5 25.7 39.6 21.3 21.0

 Outpatient .................................................. 19.1 19.1 18.9 19.2 44.7 61.1 34.5

Lodging ........................................................ 11.4 12.3 13.6 12.3 12.7 33.9 23.4

Mercantile .................................................... 9.1 9.2 12.4 9.2 21.3 26.6 18.8

 Retail (Other Than Mall) ............................ 10.8 10.8 14.1 10.8 27.7 31.8 25.3

 Enclosed and Strip Malls ........................... 17.7 17.7 25.5 17.9 39.5 51.6 30.2

Office ........................................................... 8.3 8.3 11.9 8.3 15.6 21.7 20.8

Public Assembly .......................................... 13.5 14.4 17.5 15.2 25.0 27.9 32.9

Public Order and Safety .............................. 28.1 29.4 33.5 29.7 36.9 33.7 67.1

Religious Worship ....................................... 12.1 12.1 12.1 13.2 29.2 22.3 26.8

Service ........................................................ 12.8 12.8 15.3 13.5 44.6 23.2 31.0

Warehouse and Storage ............................. 12.4 13.4 22.6 14.0 32.1 25.4 33.4

Other ............................................................ 22.0 22.8 43.0 22.9 61.4 22.5 35.0

Vacant ......................................................... 14.5 35.9 52.3 36.8 45.7 100.1 50.5

Year Constructed

1919 or Before ............................................. 11.3 11.0 12.1 11.9 25.6 26.1 27.9

1920 to 1945 ................................................ 10.9 11.1 12.5 11.4 23.8 29.8 28.1

1946 to 1959 ................................................ 6.7 6.8 10.8 7.0 23.7 26.4 22.1

1960 to 1969 ................................................ 7.4 7.8 10.6 7.5 17.7 17.5 22.6

1970 to 1979 ................................................ 8.1 8.5 10.5 9.0 18.6 20.9 20.0

1980 to 1989 ................................................ 7.4 7.5 9.4 7.7 14.8 17.9 19.0

1990 to 1999 ................................................ 12.9 11.9 15.2 13.0 21.2 25.5 22.1

Census Region

Northeast ..................................................... 8.0 8.2 13.5 8.9 14.8 25.5 21.7

Midwest ....................................................... 9.7 9.9 13.9 9.9 18.6 16.1 21.8

South ........................................................... 5.6 5.6 6.6 6.1 11.1 17.8 13.7

West ............................................................ 10.8 10.5 9.5 10.8 15.2 27.2 14.0

Workers (main shift)

Fewer than 5 ................................................ 6.0 6.3 8.3 6.7 15.3 21.9 18.8

5 to 9 ............................................................ 7.9 8.0 9.5 8.0 20.3 20.4 22.6

10 to 19 ........................................................ 7.6 7.8 10.4 8.0 20.3 24.5 18.5

20 to 49 ........................................................ 9.0 9.0 10.7 8.7 16.3 15.3 16.2

50 to 99 ........................................................ 10.7 10.7 15.0 11.0 13.8 12.5 16.8

100 to 249 .................................................... 11.7 11.7 17.1 12.0 9.7 9.8 21.5

250 or More ................................................. 8.6 8.6 9.7 8.7 9.8 8.9 10.5

RSEs for Table B38. Lighting Equipment, Number of Buildings, 1999

Lighting Equipment (more than one may apply)

RSEs for Number of Buildings

All

Buildings

All Lit 

Buildings

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 358
Incandescent

Standard 

Fluorescent

Compact 

Fluorescent

High-Intensity 

Discharge Halogen

RSEs for Table B38. Lighting Equipment, Number of Buildings, 1999

Lighting Equipment (more than one may apply)

RSEs for Number of Buildings

All

Buildings

All Lit 

Buildings

Weekly Operating Hours

39 or Fewer ................................................. 10.3 12.7 14.0 13.7 33.9 33.0 31.7

40 to 48 ........................................................ 5.9 5.9 9.2 5.9 17.6 23.4 19.3

49 to 60 ........................................................ 8.2 8.2 9.5 8.8 15.7 19.4 16.8

61 to 84 ........................................................ 9.6 10.0 13.1 10.5 20.8 19.4 19.7

85 to 167 ...................................................... 7.7 7.7 10.8 8.0 22.6 19.9 17.9

Open Continuously ...................................... 10.4 10.2 12.5 9.7 16.9 18.8 20.3

Space in Building Vacant for at

Least Three Consecutive Months

Completely Vacant ...................................... 20.7 46.3 85.4 46.3 70.9 0.0 98.2

Mostly Vacant .............................................. 22.9 38.9 53.9 40.0 60.9 100.1 81.4

Partially Vacant ............................................ 7.3 7.1 10.3 7.5 15.0 23.2 17.5

Not At All Vacant ......................................... 4.4 4.4 5.1 4.5 9.5 11.1 9.8

Multibuilding Facility Activity

Not Part of a Multibuilding

 Facility ........................................................ 4.6 4.9 6.0 5.0 11.8 12.4 11.3

College or University ................................... 19.4 19.5 29.1 19.9 22.2 35.0 31.6

Primary or Secondary School ...................... 17.7 17.8 18.8 18.3 23.0 26.5 15.9

Office Complex ............................................ 18.9 20.8 22.3 21.3 15.7 63.1 21.6

Retail Complex ............................................ 17.0 18.0 23.5 18.7 23.1 41.9 24.0

Religious Campus or Complex .................... 19.4 20.6 23.9 20.7 41.4 59.4 35.4

Health Care Complex .................................. 24.3 23.1 23.7 23.4 31.9 26.3 52.2

Government Complex ................................. 26.6 28.7 49.1 29.6 35.3 63.2 52.5

Other ............................................................ 10.6 10.5 14.1 11.1 21.3 23.5 23.2

Energy Sources (more than

one may apply)

Electricity ..................................................... 4.1 4.1 4.9 4.1 9.0 10.9 9.1

Natural Gas ................................................. 4.8 4.9 6.1 5.0 12.4 11.3 12.6

Fuel Oil ........................................................ 16.7 16.4 21.4 17.1 22.4 22.6 22.0

District Heat ................................................. 15.5 15.5 21.7 16.2 21.8 28.7 36.5

District Chilled Water ................................... 27.2 27.2 32.7 27.7 25.7 39.9 22.0

Propane ....................................................... 15.0 14.8 16.8 15.2 21.5 25.0 26.1

Other ............................................................ 18.8 18.8 22.2 18.9 54.3 42.2 31.6

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4.2 4.2 5.1 4.4 9.2 10.1 9.3

Buildings with Cooling ................................. 3.9 4.0 5.4 4.0 9.0 10.6 8.9

Buildings with Water Heating ...................... 4.4 4.4 5.4 4.4 10.4 12.2 9.1

Buildings with Cooking ................................ 5.8 5.8 6.6 6.2 13.0 14.9 11.7

Buildings with Manufacturing ....................... 16.7 16.3 21.4 16.6 39.2 27.4 34.5

Buildings with Electricity

 Generation .................................................. 14.2 14.2 16.2 14.9 13.9 30.6 17.9

Percent Lit When Open

Zero ............................................................. 49.1 100.1 0.0 0.0 0.0 100.1 0.0

1 to 50 .......................................................... 9.0 9.0 10.5 9.2 20.7 24.8 17.3

51 to 99 ........................................................ 6.4 6.4 7.7 5.9 11.3 15.3 14.5

100 ............................................................... 5.8 5.8 6.8 6.2 12.0 12.9 10.4

Building Never Open/

 Electricity Not Used .................................... 13.0 57.9 80.7 60.5 59.1 0.0 58.7

Percent Lit When Closed

Zero ............................................................. 6.2 6.3 9.2 6.9 13.6 17.0 18.7

1 to 50 .......................................................... 4.9 4.9 6.1 4.9 11.2 15.0 10.6

51 to 100 ...................................................... 16.3 16.3 26.4 19.1 39.4 41.9 36.0

Building Never Closed/

 Electricity Not Used .................................... 9.3 10.2 12.5 9.7 16.9 18.8 20.3

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 359
Incandescent

Standard 

Fluorescent

Compact 

Fluorescent

High-Intensity 

Discharge Halogen

RSEs for Table B38. Lighting Equipment, Number of Buildings, 1999

Lighting Equipment (more than one may apply)

RSEs for Number of Buildings

All

Buildings

All Lit 

Buildings

Lighting Equipment Types

(more than one may apply)

Incandescent................................................ 4.9 4.9 4.9 4.9 11.3 13.2 10.9

Standard Fluorescent................................... 4.1 4.1 4.9 4.1 9.5 10.7 9.0

Compact Fluorescent................................... 9.0 9.0 11.3 9.5 9.0 15.4 12.4

High-Intensity Discharge.............................. 10.9 10.9 13.2 10.7 15.4 10.9 14.9

Halogen........................................................ 9.1 9.1 10.9 9.0 12.4 14.9 9.1

Other............................................................. 32.3 32.3 33.3 33.5 26.5 25.2 51.3

Lighting Conservation Features

(more than one may apply)

Specular Reflectors ..................................... 8.8 8.8 11.3 8.8 13.3 17.4 13.6

Electronic Ballasts ....................................... 5.3 5.3 6.3 5.3 8.8 12.2 10.5

Skylights or Atriums ..................................... 8.6 8.1 9.0 8.3 15.7 13.4 14.0

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 5.0 5.0 6.1 5.4 9.3 12.5 10.7

Cooling ........................................................ 4.3 4.4 6.1 4.6 10.1 13.8 8.8

Lighting ........................................................ 4.4 4.4 5.2 4.6 9.0 12.0 10.0

Office Equipment ......................................... 8.5 8.5 14.7 8.9 17.7 10.3 19.6

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 360
Incandescent

Standard 

Fluorescent

Compact 

Fluorescent

High-Intensity 

Discharge Halogen

All Buildings ............................................... 3.5 3.5 4.2 3.5 5.7 5.4 4.4

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6.1 6.3 8.4 6.6 20.1 32.4 19.1

5,001 to 10,000 ............................................ 7.1 7.5 10.6 7.6 16.3 25.7 22.6

10,001 to 25,000 .......................................... 6.8 6.4 9.0 6.9 10.8 19.9 14.6

25,001 to 50,000 .......................................... 6.8 6.9 9.2 7.4 11.4 9.5 12.5

50,001 to 100,000 ........................................ 10.2 10.2 10.6 10.0 12.5 13.7 10.6

100,001 to 200,000 ...................................... 6.4 6.4 8.6 6.3 9.4 8.3 9.0

200,001 to 500,000 ...................................... 6.6 6.5 8.4 6.7 8.2 8.2 9.5

Over 500,000 ............................................... 11.1 11.1 14.6 11.6 13.3 13.3 11.6

Principal Building Activity

Education .................................................... 6.2 6.2 8.2 6.1 11.0 9.4 11.6

Food Sales .................................................. 16.0 16.0 27.1 16.1 35.7 35.2 38.2

Food Service ............................................... 9.7 9.7 10.1 10.9 24.2 42.3 21.2

Health Care ................................................. 7.6 7.6 9.0 7.7 9.5 12.5 10.9

 Inpatient ..................................................... 9.9 9.9 10.8 9.9 10.5 14.1 13.9

 Outpatient .................................................. 10.3 10.3 14.4 10.0 25.4 34.4 20.9

Lodging ........................................................ 11.0 11.1 11.6 11.2 12.2 22.3 18.1

Mercantile .................................................... 8.8 8.8 11.2 8.9 14.3 14.6 13.1

 Retail (Other Than Mall) ............................ 10.7 10.7 14.9 10.8 22.2 14.1 17.8

 Enclosed and Strip Malls ........................... 10.3 10.3 13.6 10.5 16.2 18.9 16.5

Office ........................................................... 6.9 6.9 9.2 6.8 8.5 7.4 7.5

Public Assembly .......................................... 10.8 10.9 14.1 11.1 16.1 18.1 15.9

Public Order and Safety .............................. 22.2 21.4 23.9 21.4 29.5 33.4 40.4

Religious Worship ....................................... 12.0 12.0 12.4 12.7 24.3 31.5 23.6

Service ........................................................ 11.8 12.0 18.8 12.5 29.0 20.0 29.1

Warehouse and Storage ............................. 9.4 10.0 14.6 10.3 16.1 10.3 13.3

Other ............................................................ 13.6 14.3 25.9 14.3 28.4 27.2 32.4

Vacant ......................................................... 12.2 19.7 32.9 20.7 43.9 100.1 32.6

Year Constructed

1919 or Before ............................................. 7.2 6.8 9.0 8.0 17.0 18.8 16.6

1920 to 1945 ................................................ 9.0 9.1 11.1 9.4 11.8 18.6 14.2

1946 to 1959 ................................................ 7.7 7.8 10.7 7.4 14.8 16.1 14.7

1960 to 1969 ................................................ 6.2 6.4 8.2 6.5 12.3 9.4 11.9

1970 to 1979 ................................................ 5.8 5.9 7.9 6.1 9.9 11.0 10.3

1980 to 1989 ................................................ 6.1 5.8 6.4 5.9 8.7 10.6 8.1

1990 to 1999 ................................................ 6.3 6.1 8.3 6.5 8.2 9.3 7.4

Census Region

Northeast ..................................................... 7.7 7.8 9.9 7.9 9.4 12.5 10.2

Midwest ....................................................... 5.0 5.3 7.0 5.4 8.5 9.0 7.2

South ........................................................... 5.3 5.1 5.8 5.1 11.1 10.0 8.0

West ............................................................ 6.0 6.1 7.6 6.4 9.4 12.5 9.7

Workers (main shift)

Fewer than 5 ................................................ 6.3 6.9 8.9 7.2 12.6 20.9 17.4

5 to 9 ............................................................ 7.6 7.8 9.0 8.5 15.6 22.1 18.9

10 to 19 ........................................................ 6.7 6.9 9.1 7.2 14.0 16.0 15.1

20 to 49 ........................................................ 6.6 6.6 6.7 6.3 9.4 9.6 7.9

50 to 99 ........................................................ 8.9 8.9 11.4 9.0 11.9 10.2 11.0

100 to 249 .................................................... 7.2 7.2 9.4 7.3 9.8 10.2 9.9

250 or More ................................................. 6.3 6.3 7.8 6.3 8.6 8.6 8.9

RSEs for Table B39. Lighting Equipment, Floorspace, 1999

Lighting Equipment (more than one may apply)

RSEs for Total Floorspace

All

Buildings

All Lit 

Buildings

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 361
Incandescent

Standard 

Fluorescent

Compact 

Fluorescent

High-Intensity 

Discharge Halogen

RSEs for Table B39. Lighting Equipment, Floorspace, 1999

Lighting Equipment (more than one may apply)

RSEs for Total Floorspace

All

Buildings

All Lit 

Buildings

Weekly Operating Hours

39 or Fewer ................................................. 9.8 11.3 13.9 11.7 18.8 16.9 19.2

40 to 48 ........................................................ 6.1 6.2 9.0 5.8 12.1 13.9 11.2

49 to 60 ........................................................ 6.1 6.1 8.9 6.5 9.9 10.4 10.1

61 to 84 ........................................................ 6.1 6.1 8.0 6.2 11.1 8.9 9.9

85 to 167 ...................................................... 7.0 7.0 9.1 7.1 9.3 10.1 10.3

Open Continuously ...................................... 5.0 5.0 5.7 5.0 7.0 9.2 8.8

Space in Building Vacant for at

Least Three Consecutive Months

Completely Vacant ...................................... 14.5 33.8 94.8 33.8 70.7 0.0 98.2

Mostly Vacant .............................................. 20.0 23.0 34.6 23.8 56.1 100.1 63.9

Partially Vacant ............................................ 6.2 6.4 8.2 6.6 9.4 10.6 9.2

Not At All Vacant ......................................... 3.4 3.6 4.1 3.6 6.2 5.6 5.3

Multibuilding Facility Activity

Not Part of a Multibuilding

 Facility ........................................................ 4.0 4.1 4.6 4.1 7.4 6.2 5.7

College or University ................................... 12.4 12.3 18.5 13.2 15.0 24.1 16.7

Primary or Secondary School ...................... 13.1 13.1 15.9 13.4 23.2 19.2 20.8

Office Complex ............................................ 11.1 11.3 18.2 11.5 12.2 17.3 13.7

Retail Complex ............................................ 13.6 13.8 14.5 14.2 18.0 21.7 15.9

Religious Campus or Complex .................... 13.4 13.6 16.0 14.1 30.0 40.2 31.8

Health Care Complex .................................. 11.3 11.4 12.4 11.6 11.2 16.5 14.6

Government Complex ................................. 21.2 21.3 28.5 21.5 31.0 29.5 48.1

Other ............................................................ 9.6 10.1 12.1 10.2 11.5 11.6 12.9

Energy Sources (more than

one may apply)

Electricity ..................................................... 3.5 3.5 4.2 3.5 5.7 5.4 4.4

Natural Gas ................................................. 3.9 3.8 4.5 3.9 7.3 5.7 5.7

Fuel Oil ........................................................ 6.9 6.8 8.5 6.9 7.8 7.3 8.8

District Heat ................................................. 9.9 9.9 12.8 10.1 10.6 15.7 15.0

District Chilled Water ................................... 12.1 12.1 15.3 12.3 14.3 17.3 18.2

Propane ....................................................... 10.9 10.9 13.5 10.9 11.2 15.3 17.0

Other ............................................................ 14.0 14.0 16.3 14.0 20.7 21.7 17.3

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 3.5 3.6 4.3 3.6 5.7 5.5 4.6

Buildings with Cooling ................................. 3.8 3.8 4.6 3.7 5.8 5.4 4.5

Buildings with Water Heating ...................... 3.7 3.6 4.5 3.6 5.9 5.5 4.4

Buildings with Cooking ................................ 4.4 4.4 5.6 4.3 7.2 7.4 5.9

Buildings with Manufacturing ....................... 12.7 12.6 16.8 12.7 17.9 19.7 16.6

Buildings with Electricity

 Generation .................................................. 7.4 7.4 9.0 7.4 8.6 8.2 8.4

Percent Lit When Open

Zero ............................................................. 32.5 100.1 0.0 0.0 0.0 100.1 0.0

1 to 50 .......................................................... 8.1 8.1 9.1 7.9 13.1 17.3 15.0

51 to 99 ........................................................ 4.9 4.9 5.3 4.8 6.2 7.0 5.5

100 ............................................................... 4.2 4.2 6.4 4.4 7.2 6.7 6.2

Building Never Open/

 Electricity Not Used .................................... 12.9 26.2 52.1 28.8 63.7 0.0 31.8

Percent Lit When Closed

Zero ............................................................. 5.9 6.0 7.9 6.2 10.1 11.1 11.7

1 to 50 .......................................................... 4.7 4.7 6.3 4.7 7.5 8.3 7.0

51 to 100 ...................................................... 10.0 10.0 14.3 9.3 16.6 15.7 17.0

Building Never Closed/

 Electricity Not Used .................................... 4.7 5.0 5.7 5.0 7.0 9.2 8.8

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 362
Incandescent

Standard 

Fluorescent

Compact 

Fluorescent

High-Intensity 

Discharge Halogen

RSEs for Table B39. Lighting Equipment, Floorspace, 1999

Lighting Equipment (more than one may apply)

RSEs for Total Floorspace

All

Buildings

All Lit 

Buildings

Lighting Equipment Types

(more than one may apply)

Incandescent................................................ 4.2 4.2 4.2 4.3 6.5 5.9 5.2

Standard Fluorescent................................... 3.5 3.5 4.3 3.5 5.7 5.3 4.6

Compact Fluorescent................................... 5.7 5.7 6.5 5.7 5.7 7.2 6.6

High-Intensity Discharge.............................. 5.4 5.4 5.9 5.3 7.2 5.4 6.6

Halogen........................................................ 4.4 4.4 5.2 4.6 6.6 6.6 4.4

Other............................................................. 14.6 14.6 15.4 14.2 24.5 24.6 23.0

Lighting Conservation Features

(more than one may apply)

Specular Reflectors ..................................... 6.0 6.0 7.7 6.0 7.1 7.4 6.9

Electronic Ballasts ....................................... 3.9 3.9 5.0 3.9 6.0 6.0 5.4

Skylights or Atriums ..................................... 5.8 5.8 7.5 5.9 7.2 7.5 6.8

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 4.0 4.1 5.4 4.1 6.9 7.3 6.6

Cooling ........................................................ 4.4 4.4 6.1 4.4 7.1 7.5 6.5

Lighting ........................................................ 4.0 4.0 5.1 4.1 6.6 6.8 6.2

Office Equipment ......................................... 6.1 6.1 8.9 6.4 9.3 10.5 11.9

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: RSEs for Building Characteristics Tables 363