Table A29. Energy Sources, Number of Buildings, 1992

 (Thousand)

Building

Characteristics

 RSE Column Factor:

All

Buildings

All

Buildings

Using Any

Energy

Source

Energy Sources Used

(more than one may apply)

RSE

Row

Factor

Electricity

Natural

Gas Fuel Oil

District

Heat

District

Chilled

Water Propane Wood

0.5 0.5 0.5 0.6 1.1 1.6 2.2 1.6 2.0

All Buildings ..................................... 4,806 4,620 4,616 2,665 559 95 28 337 103 7.7

Building Floorspace (Square Feet)

 1,001 to 5,000 .................................. 2,681 2,543 2,539 1,331 288 18 Q 218 70 10.8

 5,001 to 10,000 ................................ 975 954 954 574 125 11 Q 62 25 10.7

 10,001 to 25,000 .............................. 647 628 628 420 62 28 8 32 Q 11.6

 25,001 to 50,000 .............................. 280 275 275 181 39 16 9 15 Q 13.0

 50,001 to 100,000 ............................ 116 114 114 83 21 10 Q 6 Q 13.0

 100,001 to 200,000 .......................... 71 70 70 52 11 6 2 3Q 15.3

 200,001 to 500,000 .......................... 26 25 25 18 10 5 2 Q Q 16.5

 Over 500,000 ................................... 9 9 9 6 4 1 1Q Q 30.1

Principal Building Activity

 Education ......................................... 301 301 301 196 28 21 9 16 Q 15.8

 Food Sales ....................................... 130 130 130 71 QQQQQ 26.6

 Food Service ................................... 260 260 260 196 22 Q Q 30 Q 16.3

 Health Care ...................................... 63 63 63 45 7 2 Q Q Q 27.0

 Lodging ............................................ 154 154 154 98 18 9 Q 17 Q 20.8

 Mercantile and Service .................... 1,272 1,270 1,268 765 198 9 Q 107 49 11.6

 Office ............................................... 749 749 749 474 87 24 8 15 Q 12.5

 Parking Garage ................................ 24 24 24 11 QQQQQ 49.5

 Public Assembly .............................. 278 278 278 171 29 10 Q 26 Q 15.6

 Public Order and Safety ................... 60 60 60 37 15 QQQQ 32.3

 Religious Worship ............................ 366 366 366 209 60 Q Q 52 Q 18.3

 Warehouse and Storage .................. 761 685 685 265 63 Q Q 40 Q 14.3

 Other ................................................ 69 65 65 29 11 4 Q Q Q 29.9

 Vacant .............................................. 319 215 213 98 13 2 Q Q Q 18.3

Year Constructed

 1899 or Before ................................. 169 169 169 112 31 4 Q Q Q 24.3

 1900 to 1919 .................................... 255 244 244 178 52 10 Q Q Q 18.6

 1920 to 1945 .................................... 724 683 681 437 105 13 Q 42 37 13.4

 1946 to 1959 .................................... 880 839 839 515 107 22 7 60 Q 13.2

 1960 to 1969 .................................... 783 759 759 465 89 22 5 53 Q 12.4

 1970 to 1979 .................................... 982 945 945 517 91 9 5 67 Q 12.4

 1980 to 1989 .................................... 884 855 855 387 74 11 Q 73 Q 11.7

 1990 to 1992 .................................... 128 127 124 53 8 Q Q 20 Q 26.2

Census Region

 Northeast ......................................... 771 755 755 370 284 23 2 71 Q 14.6

 Midwest ............................................ 1,202 1,141 1,139 847 79 24 7 80 35 14.8

 South ............................................... 1,963 1,878 1,876 888 182 28 10 153 38 12.4

 West ................................................. 870 845 845 560 14 21 9 Q Q 18.1

Energy Sources (more than one

may apply)

 Electricity ......................................... 4,616 4,616 4,616 2,665 556 95 28 335 99 7.6

 Natural Gas ...................................... 2,665 2,665 2,665 2,665 130 35 15 20 23 10.3

 Fuel Oil ............................................ 559 559 556 130 559 11 2 61 Q 15.5

 District Heat ..................................... 95 95 95 35 11 95 24 Q Q 16.7

 District Chilled Water ....................... 28 28 28 15 2 24 28 Q Q 24.0

 Propane ........................................... 337 337 335 20 61 Q Q 337 Q 22.4

 Any Other ......................................... 163 163 159 43 34 Q Q Q 103 19.4

Energy End Uses (more than one

may apply)

 Heated Buildings .............................. 4,178 4,178 4,173 2,627 554 95 28 330 102 7.7

 Air-Conditioned Buildings ................ 3,502 3,502 3,502 2,263 378 82 28 230 29 8.0

 Buildings with Water Heating ........... 3,502 3,502 3,502 2,333 435 82 22 244 49 7.9

 Buildings with Cooking ..................... 734 734 734 532 101 19 8 84 Q 11.2

 Buildings with Manufacturing ........... 121 121 118 83 20 6 Q 15 Q 24.5

See footnotes at end of table.

140 Energy Information Administration/Commercial Buildings Characteristrics 1992
Table A29. Energy Sources, Number of Buildings, 1992 (Continued)

 (Thousand)

Building

Characteristics

 RSE Column Factor:

All

Buildings

All

Buildings

Using Any

Energy

Source

Energy Sources Used

(more than one may apply)

RSE

Row

Factor

Electricity

Natural

Gas Fuel Oil

District

Heat

District

Chilled

Water Propane Wood

0.5 0.5 0.5 0.6 1.1 1.6 2.2 1.6 2.0

Climate Zone: 45-Year Average

 Fewer than 2,000 CDD and --

 More than 7,000 HDD ................. 399 382 382 228 80 10 Q 34 Q 26.9

 5,500-7,000 HDD ........................ 1,134 1,089 1,089 766 184 29 5 70 Q 19.1

 4,000-5,499 HDD ........................ 1,077 1,043 1,039 481 211 27 4 105 39 23.1

 Fewer than 4,000 HDD ............... 1,101 1,058 1,058 649 Q 13 10 88 Q 23.9

 More than 2,000 CDD and --

 Fewer than 4,000 HDD ............... 1,095 1,048 1,048 541 32 16 9 41 Q 20.3

Workers (main shift)

 Less than 5 ...................................... 2,718 2,534 2,530 1,266 304 22 Q 215 84 10.7

 5 to 9 ................................................ 895 895 895 560 94 14 Q 64 Q 10.7

 10 to 19 ............................................ 561 560 560 383 67 22 10 33 Q 12.8

 20 to 49 ............................................ 405 405 405 300 43 17 5 16 Q 13.0

 50 to 99 ............................................ 130 130 130 87 21 10 3 5 Q 15.7

 100 to 249 ........................................ 64 64 64 48 15 4 2 4Q 15.3

 250 or More ..................................... 31 31 31 22 14 7 3 Q Q 14.6

Weekly Operating Hours

 39 or Fewer ...................................... 1,039 891 889 407 119 11 Q 94 Q 14.3

 40 to 48 ............................................ 1,278 1,270 1,270 753 146 34 8 59 34 11.0

 49 to 60 ............................................ 1,004 994 992 599 131 16 4 69 Q 12.0

 61 to 84 ............................................ 645 641 641 404 77 9 4 44 Q 10.8

 85 to 167 .......................................... 478 475 475 299 41 7 Q 46 Q 15.2

 Open Continuously .......................... 362 349 349 202 44 19 5 26 Q 13.6

Ownership and Occupancy

 Nongovernment Owned ................... 4,206 4,041 4,037 2,309 483 44 11 305 94 8.7

 Owner Occupied ............................ 3,192 3,131 3,127 1,814 413 35 9 240 78 9.1

 Nonowner Occupied ...................... 817 796 796 458 63 9 Q 57 Q 13.6

 Unoccupied .................................... 197 114 114 37 QQQQQ 24.9

 Government Owned ......................... 599 578 578 356 75 51 18 32 Q 12.3

Energy-Related Space Functions

(more than one may apply)

 Commercial Food Preparation ......... 735 735 735 533 101 19 8 84 Q 11.3

 Computer Room .............................. 223 223 223 149 51 11 5 18 Q 15.1

 Rooms with Special Ventilation ....... 236 236 236 162 43 17 3 22 Q 15.9

 Activity with Large Amounts

 of Hot Water ..................................... 203 203 203 154 23 6 2 29 Q 14.7

Q = Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.

Notes: • To obtain a RSE percentage for any table cell, multiply the cell’s corresponding RSE column and RSE row factors. • See Glossary for explanation of

abbreviations and definitions of terms used in this report.

Source: Energy Information Administration, Office of Energy Marketsand End Use, Form EIA-871A, "Building Questionnaire," 1992 Commercial Buildings Energy

Consumption Survey.

Energy Information Administration/Commercial Buildings Characteristrics 1992 141
Table A30. Energy Sources, Percent of Buildings, 1992

Building

Characteristics

 RSE Column Factor:

All

Buildings

All

Buildings

Using Any

Energy

Source

Energy Sources Used

(more than one may apply)

RSE

Row

Factor

Electricity

Natural

Gas Fuel Oil

District

Heat

District

Chilled

Water Propane Wood

-- 0.1 0.1 0.7 2.1 2.9 4.2 2.7 3.3

All Buildings ..................................... 100.0 96.1 96.0 55.5 11.6 2.0 0.6 7.0 2.2 4.6

Building Floorspace (Square Feet)

 1,001 to 5,000 .................................. 100.0 94.8 94.7 49.6 10.7 0.7 Q 8.1 2.6 6.6

 5,001 to 10,000 ................................ 100.0 97.9 97.9 58.9 12.8 1.1 Q 6.4 2.6 7.4

 10,001 to 25,000 .............................. 100.0 97.1 97.1 64.8 9.5 4.4 1.2 5.0 Q 7.6

 25,001 to 50,000 .............................. 100.0 97.9 97.9 64.6 13.7 5.6 3.3 5.4 Q 7.9

 50,001 to 100,000 ............................ 100.0 98.7 98.5 71.7 18.4 8.4 Q 4.8 Q 6.3

 100,001 to 200,000 .......................... 100.0 99.7 99.7 73.7 15.5 8.9 2.9 4.4 Q 6.1

 200,001 to 500,000 .......................... 100.0 96.8 96.8 70.9 38.7 18.1 9.0 Q Q 10.1

 Over 500,000 ................................... 100.0 99.9 99.9 64.7 37.9 15.6 7.2 Q Q 6.8

Principal Building Activity

 Education ......................................... 100.0 100.0 100.0 65.2 9.2 7.0 3.0 5.2 Q 8.2

 Food Sales ....................................... 100.0 100.0 100.0 54.6 QQQQQ 15.8

 Food Service ................................... 100.0 100.0 100.0 75.6 8.5 Q Q 11.6 Q 8.4

 Health Care ...................................... 100.0 100.0 100.0 71.5 11.7 3.6 Q Q Q 12.9

 Lodging ............................................ 100.0 100.0 100.0 63.8 11.7 5.9 Q 11.4 Q 11.1

 Mercantile and Service .................... 100.0 99.9 99.7 60.2 15.6 0.7 Q 8.4 3.8 5.0

 Office ............................................... 100.0 100.0 100.0 63.3 11.6 3.2 1.0 2.1 Q 7.1

 Parking Garage ................................ 100.0 100.0 100.0 45.8 QQQQQ 33.8

 Public Assembly .............................. 100.0 100.0 100.0 61.4 10.4 3.7 Q 9.4 Q 9.5

 Public Order and Safety ................... 100.0 100.0 100.0 61.8 24.3 QQQQ 14.2

 Religious Worship ............................ 100.0 100.0 100.0 57.1 16.5 Q Q 14.1 Q 9.5

 Warehouse and Storage .................. 100.0 90.0 90.0 34.8 8.2 Q Q 5.3 Q 13.2

 Other ................................................ 100.0 94.2 94.2 41.6 16.4 5.6 Q Q Q 27.8

 Vacant .............................................. 100.0 67.3 66.6 30.8 4.1 0.8 Q Q Q 22.0

Year Constructed

 1899 or Before ................................. 100.0 100.0 100.0 66.5 18.4 2.2 Q Q Q 0.9

 1900 to 1919 .................................... 100.0 95.7 95.5 69.7 20.3 3.9 Q Q Q 11.7

 1920 to 1945 .................................... 100.0 94.2 94.0 60.4 14.5 1.8 Q 5.8 5.1 9.4

 1946 to 1959 .................................... 100.0 95.4 95.4 58.6 12.2 2.6 0.8 6.9 Q 8.2

 1960 to 1969 .................................... 100.0 96.9 96.9 59.4 11.4 2.9 0.7 6.7 Q 7.0

 1970 to 1979 .................................... 100.0 96.2 96.2 52.7 9.3 0.9 0.5 6.8 Q 8.2

 1980 to 1989 .................................... 100.0 96.7 96.7 43.8 8.4 1.3 Q 8.3 Q 8.2

 1990 to 1992 .................................... 100.0 98.9 97.3 41.4 6.6 Q Q 15.3 Q 13.1

Census Region

 Northeast ......................................... 100.0 98.0 98.0 48.0 36.8 3.0 0.3 9.3 Q 9.3

 Midwest ............................................ 100.0 94.9 94.7 70.5 6.6 2.0 0.6 6.7 2.9 8.9

 South ............................................... 100.0 95.7 95.6 45.2 9.3 1.4 0.5 7.8 1.9 7.1

 West ................................................. 100.0 97.1 97.1 64.4 1.6 2.4 1.0 Q Q 10.3

Energy Sources (more than one

may apply)

 Electricity ......................................... 100.0 100.0 100.0 57.7 12.1 2.1 0.6 7.3 2.2 4.3

 Natural Gas ...................................... 100.0 100.0 100.0 100.0 4.9 1.3 0.6 0.8 0.8 6.5

 Fuel Oil ............................................ 100.0 100.0 99.6 23.2 100.0 2.0 0.4 10.9 Q 8.0

 District Heat ..................................... 100.0 100.0 99.7 36.6 11.7 100.0 24.9 Q Q 7.3

 District Chilled Water ....................... 100.0 100.0 100.0 52.9 8.6 83.5 100.0 Q Q 8.9

 Propane ........................................... 100.0 100.0 99.4 6.1 18.0 Q Q 100.0 Q 15.0

 Any Other ......................................... 100.0 100.0 97.5 26.6 20.6 Q Q Q 63.4 11.0

Energy End Uses (more than one

may apply)

 Heated Buildings .............................. 100.0 100.0 99.9 62.9 13.3 2.3 0.7 7.9 2.4 3.4

 Air-Conditioned Buildings ................ 100.0 100.0 100.0 64.6 10.8 2.3 0.8 6.6 0.8 4.5

 Buildings with Water Heating ........... 100.0 100.0 100.0 66.6 12.4 2.3 0.6 7.0 1.4 4.4

 Buildings with Cooking ..................... 100.0 100.0 100.0 72.4 13.7 2.5 1.1 11.5 Q 6.0

 Buildings with Manufacturing ........... 100.0 100.0 98.2 68.9 16.8 5.4 Q 12.0 Q 13.0

See footnotes at end of table.

142 Energy Information Administration/Commercial Buildings Characteristrics 1992
Table A30. Energy Sources, Percent of Buildings, 1992 (Continued)

Building

Characteristics

 RSE Column Factor:

All

Buildings

All

Buildings

Using Any

Energy

Source

Energy Sources Used

(more than one may apply)

RSE

Row

Factor

Electricity

Natural

Gas Fuel Oil

District

Heat

District

Chilled

Water Propane Wood

-- 0.1 0.1 0.7 2.1 2.9 4.2 2.7 3.3

Climate Zone: 45-Year Average

 Fewer than 2,000 CDD and --

 More than 7,000 HDD ................. 100.0 95.6 95.6 57.2 20.2 2.5 Q 8.4 Q 16.1

 5,500-7,000 HDD ........................ 100.0 96.1 96.1 67.6 16.2 2.6 0.5 6.1 Q 9.7

 4,000-5,499 HDD ........................ 100.0 96.9 96.5 44.7 19.6 2.5 0.4 9.7 3.7 9.0

 Fewer than 4,000 HDD ............... 100.0 96.1 96.1 58.9 4.7 1.2 0.9 8.0 Q 11.9

 More than 2,000 CDD and --

 Fewer than 4,000 HDD ............... 100.0 95.7 95.7 49.4 2.9 1.4 0.8 3.7 Q 9.7

Workers (main shift)

 Less than 5 ...................................... 100.0 93.2 93.1 46.6 11.2 0.8 Q 7.9 3.1 6.9

 5 to 9 ................................................ 100.0 100.0 100.0 62.5 10.5 1.6 Q 7.2 Q 6.9

 10 to 19 ............................................ 100.0 99.7 99.7 68.3 12.0 3.9 1.7 5.8 Q 6.1

 20 to 49 ............................................ 100.0 100.0 100.0 74.0 10.6 4.1 1.2 3.9 Q 7.4

 50 to 99 ............................................ 100.0 100.0 100.0 67.1 16.4 7.9 2.5 3.8 Q 8.3

 100 to 249 ........................................ 100.0 100.0 100.0 74.7 23.9 5.6 3.0 6.0 Q 7.5

 250 or More ..................................... 100.0 100.0 100.0 69.3 43.2 21.7 8.6 Q Q 7.2

Weekly Operating Hours

 39 or Fewer ...................................... 100.0 85.7 85.5 39.1 11.5 1.0 Q 9.1 Q 11.9

 40 to 48 ............................................ 100.0 99.3 99.3 58.9 11.4 2.6 0.6 4.6 2.6 5.5

 49 to 60 ............................................ 100.0 99.0 98.8 59.7 13.1 1.6 0.4 6.9 Q 7.0

 61 to 84 ............................................ 100.0 99.4 99.4 62.7 11.9 1.3 0.6 6.8 Q 5.8

 85 to 167 .......................................... 100.0 99.3 99.3 62.5 8.6 1.5 Q 9.5 Q 7.7

 Open Continuously .......................... 100.0 96.5 96.5 55.9 12.3 5.2 1.5 7.0 Q 9.2

Ownership and Occupancy

 Nongovernment Owned ................... 100.0 96.1 96.0 54.9 11.5 1.0 0.3 7.2 2.2 5.5

 Owner Occupied ............................ 100.0 98.1 98.0 56.8 12.9 1.1 0.3 7.5 2.4 5.3

 Nonowner Occupied ...................... 100.0 97.4 97.4 56.1 7.8 1.1 Q 6.9 Q 9.0

 Unoccupied .................................... 100.0 58.0 58.0 18.9 QQQQQ 56.4

 Government Owned ......................... 100.0 96.5 96.5 59.4 12.6 8.5 2.9 5.4 Q 6.4

Energy-Related Space Functions

(more than one may apply)

 Commercial Food Preparation ......... 100.0 100.0 100.0 72.5 13.7 2.5 1.1 11.4 Q 6.0

 Computer Room .............................. 100.0 100.0 100.0 66.7 23.0 5.1 2.4 8.1 Q 7.0

 Rooms with Special Ventilation ....... 100.0 99.8 99.8 68.5 18.3 7.0 1.4 9.4 Q 5.6

 Activity with Large Amounts

 of Hot Water ..................................... 100.0 100.0 100.0 75.7 11.4 3.2 1.2 14.1 Q 8.1

-- = Data not applicable.

Q = Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.

Notes: • To obtain a RSE percentage for any table cell, multiply the cell’s corresponding RSE column and RSE row factors. • See Glossary for explanation of

abbreviations and definitions of terms used in this report.

Source: Energy Information Administration, Office of Energy Marketsand End Use, Form EIA-871A, "Building Questionnaire," 1992 Commercial Buildings Energy

Consumption Survey.

Energy Information Administration/Commercial Buildings Characteristrics 1992 143
Table A31. Energy Sources, Floorspace, 1992

 (Million Square Feet)

Building

Characteristics

 RSE Column Factor:

Total

Floorspace

of All

Buildings

Total

Floorspace

of All

Buildings

Using Any

Energy

Source

Energy Sources Used

(more than one may apply)

RSE

Row

Factor

Electricity

Natural

Gas Fuel Oil

District

Heat

District

Chilled

Water Propane Wood

0.6 0.6 0.6 0.6 1.0 1.5 2.1 1.6 1.9

All Buildings ..................................... 67,876 66,574 66,549 45,097 13,218 5,339 2,066 3,393 518 7.1

Building Floorspace (Square Feet)

 1,001 to 5,000 .................................. 7,327 7,006 6,996 3,761 829 56 Q 573 177 10.9

 5,001 to 10,000 ................................ 7,199 7,057 7,057 4,266 925 73 Q 466 185 10.6

 10,001 to 25,000 .............................. 10,375 10,097 10,097 6,865 978 450 115 456 Q 11.3

 25,001 to 50,000 .............................. 10,069 9,856 9,856 6,510 1,377 545 311 501 Q 13.2

 50,001 to 100,000 ............................ 8,062 7,951 7,936 5,735 1,539 653 Q 411 Q 12.9

 100,001 to 200,000 .......................... 9,678 9,658 9,658 7,134 1,573 780 252 500 Q 15.2

 200,001 to 500,000 .......................... 7,889 7,678 7,678 5,648 3,017 1,532 737 Q Q 16.7

 Over 500,000 ................................... 7,278 7,271 7,271 5,177 2,980 1,250 515 Q Q 24.5

Principal Building Activity

 Education ......................................... 8,470 8,470 8,470 6,849 1,837 688 253 470 Q 13.7

 Food Sales ....................................... 757 757 757 512 Q Q Q Q Q 28.1

 Food Service ................................... 1,491 1,491 1,491 1,145 142 Q Q 158 Q 19.8

 Health Care ...................................... 1,763 1,763 1,763 1,557 1,093 403 227 Q Q 17.8

 Lodging ............................................ 2,891 2,891 2,891 2,233 827 580 Q 357 Q 22.3

 Mercantile and Service .................... 12,402 12,399 12,393 9,382 2,106 148 Q 742 203 15.5

 Office ............................................... 12,319 12,319 12,319 7,855 3,605 1,713 659 211 Q 12.2

 Parking Garage ................................ 1,652 1,652 1,652 Q Q Q Q Q Q 47.8

 Public Assembly .............................. 4,556 4,556 4,556 2,537 825 348 Q 281 Q 28.0

 Public Order and Safety ................... 820 820 820 582 251 Q Q Q Q 40.8

 Religious Worship ............................ 3,747 3,747 3,747 2,899 532 Q Q 247 Q 21.1

 Warehouse and Storage .................. 11,484 11,179 11,179 6,339 1,012 Q Q 625 Q 16.7

 Other ................................................ 1,130 1,124 1,124 819 278 326 Q Q Q 25.8

 Vacant .............................................. 4,396 3,407 3,388 2,021 575 410 Q Q Q 29.0

Year Constructed

 1899 or Before ................................. 1,721 1,721 1,721 1,249 344 91 Q Q Q 23.5

 1900 to 1919 .................................... 3,608 3,416 3,402 2,826 764 269 Q Q Q 25.4

 1920 to 1945 .................................... 8,712 8,400 8,396 5,738 1,748 1,135 Q 390 199 17.0

 1946 to 1959 .................................... 10,421 10,135 10,135 7,294 1,647 566 241 401 Q 13.6

 1960 to 1969 .................................... 12,612 12,479 12,479 8,900 2,363 1,419 376 642 Q 14.2

 1970 to 1979 .................................... 14,014 13,781 13,781 9,230 2,747 976 632 786 Q 12.8

 1980 to 1989 .................................... 14,287 14,153 14,153 8,230 2,862 681 243 810 Q 14.8

 1990 to 1992 .................................... 2,502 2,489 2,483 1,630 743 202 164 212 Q 18.3

Census Region

 Northeast ......................................... 13,400 13,235 13,235 8,559 5,535 1,560 302 1,041 Q 14.3

 Midwest ............................................ 17,280 16,920 16,914 13,838 2,541 1,884 684 579 140 12.2

 South ............................................... 24,577 24,004 23,985 13,408 3,582 983 659 1,514 168 11.7

 West ................................................. 12,619 12,415 12,415 9,292 1,559 912 421 260 Q 14.0

Energy Sources (more than one

may apply)

 Electricity ......................................... 66,549 66,549 66,549 45,097 13,211 5,324 2,066 3,386 508 7.1

 Natural Gas ...................................... 45,097 45,097 45,097 45,097 8,450 2,798 1,109 814 181 8.9

 Fuel Oil ............................................ 13,218 13,218 13,211 8,450 13,218 1,280 588 1,243 Q 11.0

 District Heat ..................................... 5,339 5,339 5,324 2,798 1,280 5,339 1,737 Q Q 14.2

 District Chilled Water ....................... 2,066 2,066 2,066 1,109 588 1,737 2,066 Q Q 22.1

 Propane ........................................... 3,393 3,393 3,386 814 1,243 Q Q 3,393 Q 19.1

 Any Other ......................................... 1,551 1,551 1,541 788 375 Q Q Q 518 28.1

Energy End Uses (more than one

may apply)

 Heated Buildings .............................. 61,996 61,996 61,971 44,624 12,933 5,324 2,063 3,340 511 7.3

 Air-Conditioned Buildings ................ 57,041 57,041 57,041 41,423 12,081 4,786 2,066 2,837 206 7.9

 Buildings with Water Heating ........... 58,479 58,479 58,479 43,151 12,605 5,177 1,978 2,961 322 7.5

 Buildings with Cooking ..................... 23,065 23,065 23,065 18,487 7,452 2,280 920 1,549 Q 10.7

 Buildings with Manufacturing ........... 3,174 3,174 3,167 2,546 739 486 Q 299 Q 22.4

See footnotes at end of table.

144 Energy Information Administration/Commercial Buildings Characteristrics 1992
Table A31. Energy Sources, Floorspace, 1992 (Continued)

 (Million Square Feet)

Building

Characteristics

 RSE Column Factor:

Total

Floorspace

of All

Buildings

Total

Floorspace

of All

Buildings

Using Any

Energy

Source

Energy Sources Used

(more than one may apply)

RSE

Row

Factor

Electricity

Natural

Gas Fuel Oil

District

Heat

District

Chilled

Water Propane Wood

0.6 0.6 0.6 0.6 1.0 1.5 2.1 1.6 1.9

Climate Zone: 45-Year Average

 Fewer than 2,000 CDD and --

 More than 7,000 HDD ................. 5,623 5,476 5,476 3,685 1,551 513 Q 481 Q 23.6

 5,500-7,000 HDD ........................ 18,024 17,730 17,730 13,771 4,208 1,944 574 716 Q 15.1

 4,000-5,499 HDD ........................ 16,162 15,990 15,965 10,517 4,009 1,706 526 869 139 15.3

 Fewer than 4,000 HDD ............... 15,251 14,878 14,878 11,017 2,191 595 437 646 Q 21.2

 More than 2,000 CDD and --

 Fewer than 4,000 HDD ............... 12,816 12,501 12,501 6,107 1,259 581 467 682 Q 17.7

Workers (main shift)

 Less than 5 ...................................... 17,944 16,665 16,640 8,079 1,793 410 Q 929 332 15.1

 5 to 9 ................................................ 7,524 7,524 7,524 4,494 786 321 Q 510 Q 13.1

 10 to 19 ............................................ 8,077 8,054 8,054 5,484 884 494 193 402 Q 14.3

 20 to 49 ............................................ 10,556 10,556 10,556 8,357 1,094 518 191 445 Q 13.0

 50 to 99 ............................................ 7,763 7,763 7,763 5,982 1,487 806 327 384 Q 17.5

 100 to 249 ........................................ 7,378 7,378 7,378 6,076 2,314 674 192 484 Q 17.5

 250 or More ..................................... 8,633 8,633 8,633 6,625 4,860 2,115 868 Q Q 14.0

Weekly Operating Hours

 39 or Fewer ...................................... 8,246 7,101 7,083 4,032 1,137 375 Q 522 Q 15.9

 40 to 48 ............................................ 14,998 14,952 14,952 9,529 2,448 807 312 532 138 11.7

 49 to 60 ............................................ 14,046 14,026 14,020 9,575 2,473 1,059 357 674 Q 10.9

 61 to 84 ............................................ 12,062 12,028 12,028 9,141 2,320 702 178 533 Q 14.6

 85 to 167 .......................................... 8,467 8,455 8,455 6,509 1,695 508 278 493 Q 17.5

 Open Continuously .......................... 10,057 10,011 10,011 6,311 3,145 1,888 724 639 Q 16.7

Ownership and Occupancy

 Nongovernment Owned ................... 52,752 51,612 51,601 34,151 9,420 2,893 1,074 2,694 478 7.8

 Owner Occupied ............................ 38,403 38,173 38,162 26,187 7,627 2,541 896 2,066 400 7.6

 Nonowner Occupied ...................... 12,273 12,156 12,156 7,466 1,600 350 Q 589 Q 15.7

 Unoccupied .................................... 2,077 1,283 1,283 498 Q Q Q Q Q 27.1

 Government Owned ......................... 15,124 14,962 14,948 10,945 3,798 2,446 992 699 Q 12.2

Energy-Related Space Functions

(more than one may apply)

 Commercial Food Preparation ......... 22,166 22,166 22,166 18,488 7,452 2,280 920 1,545 Q 10.0

 Computer Room .............................. 14,199 14,199 14,199 10,618 5,745 2,124 839 925 Q 11.6

 Rooms with Special Ventilation ....... 8,042 8,036 8,036 6,332 2,995 1,627 500 542 Q 12.4

 Activity with Large Amounts

 of Hot Water ..................................... 6,862 6,862 6,862 5,725 2,445 818 416 561 Q 15.5

Q = Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.

Notes: • To obtain a RSE percentage for any table cell, multiply the cell’s corresponding RSE column and RSE row factors. • See Glossary for explanation of

abbreviations and definitions of terms used in this report.

Source: Energy Information Administration, Office of Energy Marketsand End Use, Form EIA-871A, "Building Questionnaire," 1992 Commercial Buildings Energy

Consumption Survey.

Energy Information Administration/Commercial Buildings Characteristrics 1992 145
Table A32. Energy Sources, Percent of Floorspace, 1992

Building

Characteristics

 RSE Column Factor:

Total

Floorspace

of All

Buildings

Total

Floorspace

of All

Buildings

Using Any

Energy

Source

Energy Sources Used

(more than one may apply)

RSE

Row

Factor

Electricity

Natural

Gas Fuel Oil

District

Heat

District

Chilled

Water Propane Wood

-- 0.1 0.1 0.8 2.0 3.2 4.8 3.5 4.1

All Buildings ..................................... 100.0 98.1 98.0 66.4 19.5 7.9 3.0 5.0 0.8 3.8

Building Floorspace (Square Feet)

 1,001 to 5,000 .................................. 100.0 95.6 95.5 51.3 11.3 0.8 Q 7.8 2.4 6.7

 5,001 to 10,000 ................................ 100.0 98.0 98.0 59.3 12.8 1.0 Q 6.5 2.6 7.5

 10,001 to 25,000 .............................. 100.0 97.3 97.3 66.2 9.4 4.3 1.1 4.4 Q 7.7

 25,001 to 50,000 .............................. 100.0 97.9 97.9 64.7 13.7 5.4 3.1 5.0 Q 8.0

 50,001 to 100,000 ............................ 100.0 98.6 98.4 71.1 19.1 8.1 Q 5.1 Q 6.9

 100,001 to 200,000 .......................... 100.0 99.8 99.8 73.7 16.3 8.1 2.6 5.2 Q 5.8

 200,001 to 500,000 .......................... 100.0 97.3 97.3 71.6 38.2 19.4 9.3 Q Q 10.0

 Over 500,000 ................................... 100.0 99.9 99.9 71.1 40.9 17.2 7.1 Q Q 5.6

Principal Building Activity

 Education ......................................... 100.0 100.0 100.0 80.9 21.7 8.1 3.0 5.6 Q 5.9

 Food Sales ....................................... 100.0 100.0 100.0 67.7 Q Q Q Q Q 11.8

 Food Service ................................... 100.0 100.0 100.0 76.8 9.5 Q Q 10.6 Q 10.3

 Health Care ...................................... 100.0 100.0 100.0 88.3 62.0 22.9 12.9 Q Q 4.7

 Lodging ............................................ 100.0 100.0 100.0 77.3 28.6 20.1 Q 12.3 Q 7.7

 Mercantile and Service .................... 100.0 100.0 99.9 75.7 17.0 1.2 Q 6.0 1.6 3.3

 Office ............................................... 100.0 100.0 100.0 63.8 29.3 13.9 5.3 1.7 Q 5.9

 Parking Garage ................................ 100.0 100.0 100.0 Q Q Q Q Q Q 100.0

 Public Assembly .............................. 100.0 100.0 100.0 55.7 18.1 7.6 Q 6.2 Q 16.2

 Public Order and Safety ................... 100.0 100.0 100.0 71.0 30.6 Q Q Q Q 12.1

 Religious Worship ............................ 100.0 100.0 100.0 77.4 14.2 Q Q 6.6 Q 7.2

 Warehouse and Storage .................. 100.0 97.3 97.3 55.2 8.8 Q Q 5.4 Q 9.9

 Other ................................................ 100.0 99.5 99.5 72.5 24.6 28.9 15.7 Q Q 8.7

 Vacant .............................................. 100.0 77.5 77.1 46.0 13.1 9.3 Q Q Q 26.8

Year Constructed

 1899 or Before ................................. 100.0 100.0 100.0 72.6 20.0 5.3 Q Q Q 1.5

 1900 to 1919 .................................... 100.0 94.7 94.3 78.3 21.2 7.5 Q Q Q 16.3

 1920 to 1945 .................................... 100.0 96.4 96.4 65.9 20.1 13.0 Q 4.5 2.3 9.8

 1946 to 1959 .................................... 100.0 97.3 97.3 70.0 15.8 5.4 2.3 3.8 Q 7.8

 1960 to 1969 .................................... 100.0 98.9 98.9 70.6 18.7 11.3 3.0 5.1 Q 6.2

 1970 to 1979 .................................... 100.0 98.3 98.3 65.9 19.6 7.0 4.5 5.6 Q 6.9

 1980 to 1989 .................................... 100.0 99.1 99.1 57.6 20.0 4.8 1.7 5.7 Q 6.5

 1990 to 1992 .................................... 100.0 99.5 99.2 65.2 29.7 8.1 6.6 8.5 Q 7.0

Census Region

 Northeast ......................................... 100.0 98.8 98.8 63.9 41.3 11.6 2.3 7.8 Q 8.0

 Midwest ............................................ 100.0 97.9 97.9 80.1 14.7 10.9 4.0 3.3 0.8 6.5

 South ............................................... 100.0 97.7 97.6 54.6 14.6 4.0 2.7 6.2 0.7 6.3

 West ................................................. 100.0 98.4 98.4 73.6 12.4 7.2 3.3 2.1 Q 8.2

Energy Sources (more than one

may apply)

 Electricity ......................................... 100.0 100.0 100.0 67.8 19.9 8.0 3.1 5.1 0.8 3.3

 Natural Gas ...................................... 100.0 100.0 100.0 100.0 18.7 6.2 2.5 1.8 0.4 4.7

 Fuel Oil ............................................ 100.0 100.0 100.0 63.9 100.0 9.7 4.5 9.4 Q 3.9

 District Heat ..................................... 100.0 100.0 99.7 52.4 24.0 100.0 32.5 Q Q 5.0

 District Chilled Water ....................... 100.0 100.0 100.0 53.7 28.5 84.1 100.0 Q Q 8.2

 Propane ........................................... 100.0 100.0 99.8 24.0 36.6 Q Q 100.0 Q 8.8

 Any Other ......................................... 100.0 100.0 99.3 50.8 24.2 Q Q Q 33.4 11.7

Energy End Uses (more than one

may apply)

 Heated Buildings .............................. 100.0 100.0 100.0 72.0 20.9 8.6 3.3 5.4 0.8 2.5

 Air-Conditioned Buildings ................ 100.0 100.0 100.0 72.6 21.2 8.4 3.6 5.0 0.4 3.6

 Buildings with Water Heating ........... 100.0 100.0 100.0 73.8 21.6 8.9 3.4 5.1 0.6 3.5

 Buildings with Cooking ..................... 100.0 100.0 100.0 80.2 32.3 9.9 4.0 6.7 Q 4.8

 Buildings with Manufacturing ........... 100.0 100.0 99.8 80.2 23.3 15.3 Q 9.4 Q 6.8

See footnotes at end of table.

146 Energy Information Administration/Commercial Buildings Characteristrics 1992
Table A32. Energy Sources, Percent of Floorspace, 1992 (Continued)

Building

Characteristics

 RSE Column Factor:

Total

Floorspace

of All

Buildings

Total

Floorspace

of All

Buildings

Using Any

Energy

Source

Energy Sources Used

(more than one may apply)

RSE

Row

Factor

Electricity

Natural

Gas Fuel Oil

District

Heat

District

Chilled

Water Propane Wood

-- 0.1 0.1 0.8 2.0 3.2 4.8 3.5 4.1

Climate Zone: 45-Year Average

 Fewer than 2,000 CDD and --

 More than 7,000 HDD ................. 100.0 97.4 97.4 65.5 27.6 9.1 Q 8.6 Q 13.7

 5,500-7,000 HDD ........................ 100.0 98.4 98.4 76.4 23.3 10.8 3.2 4.0 Q 7.1

 4,000-5,499 HDD ........................ 100.0 98.9 98.8 65.1 24.8 10.6 3.3 5.4 0.9 6.2

 Fewer than 4,000 HDD ............... 100.0 97.5 97.5 72.2 14.4 3.9 2.9 4.2 Q 8.8

 More than 2,000 CDD and --

 Fewer than 4,000 HDD ............... 100.0 97.5 97.5 47.7 9.8 4.5 3.6 5.3 Q 9.2

Workers (main shift)

 Less than 5 ...................................... 100.0 92.9 92.7 45.0 10.0 2.3 Q 5.2 1.9 10.1

 5 to 9 ................................................ 100.0 100.0 100.0 59.7 10.4 4.3 Q 6.8 Q 7.9

 10 to 19 ............................................ 100.0 99.7 99.7 67.9 10.9 6.1 2.4 5.0 Q 6.3

 20 to 49 ............................................ 100.0 100.0 100.0 79.2 10.4 4.9 1.8 4.2 Q 5.8

 50 to 99 ............................................ 100.0 100.0 100.0 77.1 19.1 10.4 4.2 4.9 Q 7.9

 100 to 249 ........................................ 100.0 100.0 100.0 82.4 31.4 9.1 2.6 6.6 Q 6.1

 250 or More ..................................... 100.0 100.0 100.0 76.7 56.3 24.5 10.1 Q Q 4.8

Weekly Operating Hours

 39 or Fewer ...................................... 100.0 86.1 85.9 48.9 13.8 4.5 Q 6.3 Q 13.9

 40 to 48 ............................................ 100.0 99.7 99.7 63.5 16.3 5.4 2.1 3.5 0.9 5.1

 49 to 60 ............................................ 100.0 99.9 99.8 68.2 17.6 7.5 2.5 4.8 Q 4.0

 61 to 84 ............................................ 100.0 99.7 99.7 75.8 19.2 5.8 1.5 4.4 Q 5.3

 85 to 167 .......................................... 100.0 99.9 99.9 76.9 20.0 6.0 3.3 5.8 Q 5.3

 Open Continuously .......................... 100.0 99.5 99.5 62.8 31.3 18.8 7.2 6.4 Q 6.7

Ownership and Occupancy

 Nongovernment Owned ................... 100.0 97.8 97.8 64.7 17.9 5.5 2.0 5.1 0.9 4.6

 Owner Occupied ............................ 100.0 99.4 99.4 68.2 19.9 6.6 2.3 5.4 1.0 3.8

 Nonowner Occupied ...................... 100.0 99.1 99.1 60.8 13.0 2.9 Q 4.8 Q 7.9

 Unoccupied .................................... 100.0 61.8 61.8 24.0 Q Q Q Q Q 99.6

 Government Owned ......................... 100.0 98.9 98.8 72.4 25.1 16.2 6.6 4.6 Q 5.2

Energy-Related Space Functions

(more than one may apply)

 Commercial Food Preparation ......... 100.0 100.0 100.0 83.4 33.6 10.3 4.2 7.0 Q 3.8

 Computer Room .............................. 100.0 100.0 100.0 74.8 40.5 15.0 5.9 6.5 Q 4.6

 Rooms with Special Ventilation ....... 100.0 99.9 99.9 78.7 37.2 20.2 6.2 6.7 Q 3.4

 Activity with Large Amounts

 of Hot Water ..................................... 100.0 100.0 100.0 83.4 35.6 11.9 6.1 8.2 Q 5.8

-- = Data not applicable.

Q = Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.

Notes: • To obtain a RSE percentage for any table cell, multiply the cell’s corresponding RSE column and RSE row factors. • See Glossary for explanation of

abbreviations and definitions of terms used in this report.

Source: Energy Information Administration, Office of Energy Marketsand End Use, Form EIA-871A, "Building Questionnaire," 1992 Commercial Buildings Energy

Consumption Survey.

Energy Information Administration/Commercial Buildings Characteristrics 1992 147
Table A33. Energy End Uses, Number of Buildings and Floorspace, 1992

Building

Characteristics

 RSE Column Factor:

Number of Buildings

(thousand)

Total Floorspace

(million square feet)

RSE

Row

Factor

All

Buildings

Energy Used For:

All

Buildings

Energy Used For:

Space

Heating

CoolingWater

Heating

Cooking

Manufacturing

Space

Heating

CoolingWater

Heating

Cooking

Manufacturing

0.7 0.7 0.7 0.7 1.1 2.5 0.8 0.8 0.8 0.8 1.3 2.5

All Buildings ................................... 4,806 4,178 3,502 3,502 734 121 67,876 61,996 57,041 58,479 23,065 3,174 5.1

Building Floorspace (square feet)

 1,001 to 5,000 ................................ 2,681 2,247 1,792 1,733 320 32 7,327 6,210 4,994 4,928 903 97 7.5

 5,001 to 10,000 .............................. 975 883 758 787 137 32 7,199 6,533 5,601 5,834 998 245 6.3

 10,001 to 25,000 ............................ 647 585 519 539 114 32 10,375 9,424 8,364 8,724 1,852 495 7.1

 25,001 to 50,000 ............................ 280 255 236 240 70 11 10,069 9,132 8,435 8,637 2,627 382 9.4

 50,001 to 100,000 .......................... 116 110 103 108 44 9 8,062 7,622 7,185 7,489 3,110 618 8.6

 100,001 to 200,000 ........................ 71 64 59 62 29 3 9,678 8,730 8,072 8,492 4,062 442 10.7

 200,001 to 500,000 ........................ 26 24 24 25 15 1 7,889 7,470 7,217 7,466 4,639 257 13.2

 Over 500,000 ................................. 9 9 9 9 6 1 7,278 6,876 7,174 6,910 4,874 637 26.3

Principal Building Activity

 Education ....................................... 301 295 251 230 98 Q 8,470 8,379 7,389 8,036 5,676 Q 9.6

 Food Sales ..................................... 130 120 119 124 40 Q 757 723 725 739 350 Q 19.1

 Food Service ................................. 260 249 244 259 244 Q 1,491 1,435 1,449 1,490 1,450 Q 10.6

 Health Care .................................... 63 61 59 62 6 Q 1,763 1,746 1,747 1,760 1,289 Q 16.9

 Lodging .......................................... 154 150 120 152 38 Q 2,891 2,870 2,493 2,869 1,600 Q 15.9

 Mercantile and Service ................... 1,272 1,214 942 923 89 43 12,402 11,835 10,874 10,809 3,806 532 9.3

 Office .............................................. 749 745 731 705 30 20 12,319 12,255 12,198 12,030 3,674 363 8.5

 Parking Garage .............................. 24 17 12 13 Q Q 1,652 1,165 922 933 Q Q 40.7

 Public Assembly ............................. 278 257 208 235 82 Q 4,556 4,470 4,077 4,346 2,669 Q 17.8

 Public Order and Safety ................. 60 60 47 58 Q Q 820 820 741 804 Q Q 27.5

 Religious Worship .......................... 366 364 286 265 68 Q 3,747 3,737 3,121 3,384 1,231 Q 15.1

 Warehouse and Storage ................ 761 445 324 311 13 35 11,484 8,800 7,885 7,887 349 1,395 11.9

 Other .............................................. 69 48 44 43 Q 8 1,130 1,025 1,040 1,001 Q 298 18.8

 Vacant ............................................ 319 154 114 121 18 Q 4,396 2,738 2,382 2,391 507 Q 18.2

Year Constructed

 1899 or Before ............................... 169 158 119 126 41 Q 1,721 1,637 1,307 1,457 495 Q 16.6

 1900 to 1919 .................................. 255 232 169 202 42 Q 3,608 3,329 2,759 3,126 1,334 Q 17.1

 1920 to 1945 .................................. 724 623 491 507 101 21 8,712 7,717 6,586 7,004 2,225 542 10.6

 1946 to 1959 .................................. 880 760 643 638 134 20 10,421 9,371 8,260 8,784 2,849 748 8.9

 1960 to 1969 .................................. 783 687 563 580 120 11 12,612 11,548 10,601 11,006 4,920 394 9.5

 1970 to 1979 .................................. 982 850 741 721 154 31 14,014 12,814 12,286 12,369 5,071 652 8.2

 1980 to 1989 .................................. 884 761 682 649 122 21 14,287 13,276 12,985 12,565 5,313 579 10.4

 1990 to 1992 .................................. 128 107 93 79 21 Q 2,502 2,303 2,258 2,167 859 Q 16.7

Census Region

 Northeast ........................................ 771 694 521 625 142 26 13,400 12,858 11,158 12,410 5,740 756 9.6

 Midwest .......................................... 1,202 1,047 784 906 201 38 17,280 16,303 14,383 15,460 5,800 895 9.4

 South .............................................. 1,963 1,687 1,569 1,307 257 37 24,577 21,659 21,205 19,592 7,768 1,039 8.8

 West ............................................... 870 750 627 664 134 19 12,619 11,176 10,296 11,017 3,757 484 10.4

Energy Sources (more than one

may apply)

 Electricity ........................................ 4,616 4,173 3,502 3,502 734 118 66,549 61,971 57,041 58,479 23,065 3,167 5.1

 Natural Gas .................................... 2,665 2,627 2,263 2,333 532 83 45,097 44,624 41,423 43,151 18,487 2,546 5.9

 Fuel Oil ........................................... 559 554 378 435 101 20 13,218 12,933 12,081 12,605 7,452 739 10.0

 District Heat .................................... 95 95 82 82 19 6 5,339 5,324 4,786 5,177 2,280 486 14.4

 District Chilled Water ...................... 28 28 28 22 8 Q 2,066 2,063 2,066 1,978 920 Q 22.3

 Propane .......................................... 337 330 230 244 84 15 3,393 3,340 2,837 2,961 1,549 299 15.4

 Other .............................................. 163 161 71 96 13 Q 1,551 1,522 1,117 1,287 399 Q 22.5

See footnotes at end of table.

148 Energy Information Administration/Commercial Buildings Characteristrics 1992
Table A33. Energy End Uses, Number of Buildings and Floorspace, 1992 (Continued)

Building

Characteristics

 RSE Column Factor:

Number of Buildings

(thousand)

Total Floorspace

(million square feet)

RSE

Row

Factor

All

Buildings

Energy Used For:

All

Buildings

Energy Used For:

Space

Heating

CoolingWater

Heating

Cooking

Manufacturing

Space

Heating

CoolingWater

Heating

Cooking

Manufacturing

0.7 0.7 0.7 0.7 1.1 2.5 0.8 0.8 0.8 0.8 1.3 2.5

Energy End Uses (more than one

may apply)

 Heated Buildings ............................ 4,178 4,178 3,439 3,436 715 117 61,996 61,996 56,073 57,708 22,736 3,121 5.1

 Air-Conditioned Buildings ............... 3,502 3,439 3,502 3,016 663 92 57,041 56,073 57,041 53,839 22,003 2,870 5.4

 Buildings with Water

 Heating .......................................... 3,502 3,436 3,016 3,502 728 102 58,479 57,708 53,839 58,479 22,993 2,976 5.3

 Buildings with Cooking ................... 734 715 663 728 734 13 23,065 22,736 22,003 22,993 23,065 528 7.8

 Buildings with

 Manufacturing ............................... 121 117 92 102 13 121 3,174 3,121 2,870 2,976 528 3,174 15.1

Climate Zone: 45-Year Average

 Fewer than 2,000 CDD and --

 More than 7,000 HDD .................. 399 344 229 298 65 19 5,623 5,218 4,267 4,956 1,754 315 17.4

 5,500 to 7,000 HDD ..................... 1,134 1,018 766 892 198 36 18,024 17,196 14,977 16,377 6,781 1,254 11.4

 4,000 to 5,499 HDD ..................... 1,077 959 753 815 181 23 16,162 14,966 13,549 14,359 5,847 490 15.1

 Fewer than 4,000 HDD ................ 1,101 955 838 770 158 20 15,251 13,537 12,870 12,791 4,695 468 16.4

 More than 2,000 CDD and --

 Fewer than 4,000 HDD ................ 1,095 903 915 726 133 23 12,816 11,079 11,379 9,996 3,989 647 14.5

Workers (main shift)

 Less than 5 ..................................... 2,718 2,154 1,623 1,609 260 42 17,944 13,604 10,719 11,207 2,678 334 10.5

 5 to 9 .............................................. 895 861 781 777 155 20 7,524 7,075 6,249 6,432 1,326 256 7.7

 10 to 19 .......................................... 561 540 502 512 126 23 8,077 7,528 6,954 7,089 1,719 384 9.1

 20 to 49 .......................................... 405 401 384 384 105 27 10,556 10,440 9,990 10,215 3,419 916 8.3

 50 to 99 .......................................... 130 128 118 126 43 6 7,763 7,652 7,313 7,644 3,424 395 10.6

 100 to 249 ...................................... 64 64 63 62 26 3 7,378 7,323 7,195 7,278 3,998 561 12.4

 250 or More .................................... 31 30 31 31 18 1 8,633 8,374 8,621 8,613 6,502 328 11.6

Weekly Operating Hours

 39 or Fewer .................................... 1,039 725 513 507 116 Q 8,246 6,000 4,632 5,005 1,828 Q 11.1

 40 to 48 .......................................... 1,278 1,186 1,007 979 89 46 14,998 13,745 12,558 12,613 3,010 891 7.6

 49 to 60 .......................................... 1,004 920 786 764 83 34 14,046 13,251 12,218 12,405 3,118 920 7.5

 61 to 84 .......................................... 645 603 528 518 149 19 12,062 11,529 11,158 11,308 5,195 418 8.4

 85 to 167 ........................................ 478 436 405 435 218 7 8,467 8,141 7,742 8,020 4,750 403 10.6

 Open Continuously ......................... 362 307 262 300 78 6 10,057 9,329 8,733 9,128 5,163 410 13.4

Energy-Related Space Functions

(more than one may apply)

 Commercial Food

 Preparation .................................... 735 714 661 729 732 13 22,166 21,833 21,096 22,095 22,159 525 7.2

 Computer Room ............................. 223 222 223 211 53 16 14,199 14,170 14,199 13,947 7,328 810 10.1

 Rooms with Special

 Ventilation ..................................... 236 229 215 219 70 19 8,042 7,995 7,744 7,890 4,178 864 9.9

 Activities with Large

 Amounts of Hot Water ................... 203 194 164 202 80 8 6,862 6,829 6,546 6,857 4,813 421 10.8

Q = Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.

Notes: • To obtain a RSE percentage for any table cell, multiply the cell’s corresponding RSE column and RSE row factors. • See Glossary for explanation of

abbreviations and definitions of terms used in this report.

Source: Energy Information Administration, Office of Energy Marketsand End Use, Form EIA-871A, "Building Questionnaire," 1992 Commercial Buildings Energy

Consumption Survey.

Energy Information Administration/Commercial Buildings Characteristrics 1992 149
Table A34. End-Use Combinations, Number of Buildings, 1992 

 (Thousand)

Building

Characteristics

 RSE Column Factor:

All

Buildings

Heated Buildings

with Air Conditioning and--

Heated Buildings

Without Air Conditioning and--

Buildings

Without

Heating,

Cooling,

Water Heating,

or Cooking

All Other

Combinations

RSE

Row

Factor

with

Water

Heating

and

Cooking

with

Water

Heating

but Not

Cooking

Without

Water

Heating

or

Cooking

with

Water

Heating

and

Cooking

with

Water

Heating

but Not

Cooking

Without

Water

Heating

or

Cooking

0.4 0.7 0.5 1.0 2.1 1.1 1.1 1.1 2.1

All Buildings ..................................... 4,806 651 2,339 445 60 387 292 524 108 8.4

Building Floorspace (square feet)

 1,001 to 5,000 .................................. 2,681 275 1,140 337 25 244 223 362 75 10.7

 5,001 to 10,000 ................................ 975 124 569 59 Q 77 43 82 Q 13.2

 10,001 to 25,000 .............................. 647 101 370 35 10 49 18 47 Q 16.3

 25,001 to 50,000 .............................. 280 60 161 12 9 8 Q 21 Q 19.2

 50,001 to 100,000 ............................ 116 41 58 Q Q 5 Q 4 Q 19.0

 100,001 to 200,000 .......................... 71 27 30 Q Q Q Q Q Q 18.9

 200,001 to 500,000 .......................... 26 15 9 Q Q Q Q 1 Q 25.1

 Over 500,000 ................................... 9 6 2 Q Q Q Q Q Q 55.2

Principal Building Activity

 Education ......................................... 301 84 102 65 13 27 Q Q Q 17.7

 Food Sales ....................................... 130 36 70 Q Q Q Q Q Q 31.8

 Food Service ................................... 260 229 Q Q Q Q Q Q Q 14.6

 Health Care ...................................... 63 6 50 Q Q Q Q Q Q 30.1

 Lodging ............................................ 154 32 86 Q Q 24 Q Q Q 25.7

 Mercantile and Service .................... 1,272 84 677 167 Q 152 132 42 17 13.9

 Office ............................................... 749 28 661 37 Q Q Q Q Q 15.7

 Parking Garage ................................ 24 Q 11 Q Q Q Q 7 Q 51.2

 Public Assembly .............................. 278 67 122 Q Q 27 Q Q Q 19.0

 Public Order and Safety ................... 60 Q 43 Q Q Q Q Q Q 39.0

 Religious Worship ............................ 366 58 157 69 Q 41 Q Q Q 21.2

 Warehouse and Storage .................. 761 10 235 56 Q 58 85 287 29 17.8

 Other ................................................ 69 Q 35 Q Q Q Q Q Q 35.7

 Vacant .............................................. 319 9 78 24 Q 18 16 157 Q 23.1

Year Constructed

 1899 or Before ................................. 169 37 67 Q Q 18 Q Q Q 27.5

 1900 to 1919 .................................... 255 35 108 27 Q 53 Q 22 Q 22.4

 1920 to 1945 .................................... 724 76 332 76 19 73 44 91 Q 15.3

 1946 to 1959 .................................... 880 116 421 92 13 70 46 97 24 14.5

 1960 to 1969 .................................... 783 102 379 69 11 65 59 71 27 14.9

 1970 to 1979 .................................... 982 148 494 77 Q 64 64 105 26 15.2

 1980 to 1989 .................................... 884 116 483 71 Q 41 46 107 18 15.6

 1990 to 1992 .................................... 128 21 54 18 Q Q Q 20 Q 29.1

Census Region

 Northeast ......................................... 771 125 368 26 15 107 52 67 Q 16.4

 Midwest ............................................ 1,202 177 560 45 22 139 104 147 Q 14.9

 South ............................................... 1,963 244 989 289 Q 50 112 221 58 13.5

 West ................................................. 870 105 422 85 22 91 24 89 32 19.7

Energy Sources (more than one

may apply)

 Electricity ......................................... 4,616 651 2,339 445 60 387 288 338 108 8.4

 Natural Gas ...................................... 2,665 477 1,549 215 41 241 101 Q 36 11.4

 Fuel Oil ............................................ 559 82 248 48 17 86 74 Q Q 19.7

 District Heat ..................................... 95 16 53 12 Q 10 Q Q Q 23.8

 District Chilled Water ....................... 28 8 15 Q Q Q Q Q Q 41.1

 Propane ........................................... 337 71 118 39 Q 40 53 Q Q 24.5

 Other ................................................ 163 7 55 Q Q Q 59 Q Q 30.8

See footnotes at end of table.

150 Energy Information Administration/Commercial Buildings Characteristrics 1992
Table A34. End-Use Combinations, Number of Buildings, 1992 (Continued)

 (Thousand)

Building

Characteristics

 RSE Column Factor:

All

Buildings

Heated Buildings

with Air Conditioning and--

Heated Buildings

Without Air Conditioning and--

Buildings

Without

Heating,

Cooling,

Water Heating,

or Cooking

All Other

Combinations

RSE

Row

Factor

with

Water

Heating

and

Cooking

with

Water

Heating

but Not

Cooking

Without

Water

Heating

or

Cooking

with

Water

Heating

and

Cooking

with

Water

Heating

but Not

Cooking

Without

Water

Heating

or

Cooking

0.4 0.7 0.5 1.0 2.1 1.1 1.1 1.1 2.1

Energy End Uses (more than one

may apply)

 Heated Buildings .............................. 4,178 651 2,339 445 60 387 292 Q Q 8.3

 Air-Conditioned Buildings ................ 3,502 651 2,339 445 Q Q Q Q 67 8.9

 Buildings with Water

 Heating ........................................... 3,502 651 2,339 Q 60 387 Q Q 66 8.5

 Buildings with Cooking ..................... 734 651 Q Q 60 Q Q Q 24 10.4

 Buildings with

 Manufacturing ................................. 121 11 73 Q Q Q Q Q Q 34.6

Climate Zone: 45-Year Average

 Fewer than 2,000 CDD and --

 More than 7,000 HDD .................... 399 54 162 Q Q 70 34 53 Q 25.5

 5,500 to 7,000 HDD ....................... 1,134 175 545 44 22 145 87 111 Q 18.2

 4,000 to 5,499 HDD ....................... 1,077 165 517 67 Q 105 94 98 Q 26.5

 Fewer than 4,000 HDD .................. 1,101 132 552 143 Q 54 55 125 23 26.4

 More than 2,000 CDD and --

 Fewer than 4,000 HDD .................. 1,095 123 563 179 Q Q 21 137 58 18.5

Workers (main shift)

 Less than 5 ...................................... 2,718 224 1,042 316 21 278 270 494 73 10.5

 5 to 9 ................................................ 895 136 554 78 15 62 Q 19 Q 15.6

 10 to 19 ............................................ 561 112 352 31 Q 30 Q Q Q 15.3

 20 to 49 ............................................ 405 98 267 16 7 10 Q Q Q 17.3

 50 to 99 ............................................ 130 38 76 Q Q Q Q Q Q 17.7

 100 to 249 ........................................ 64 25 36 Q Q Q Q Q Q 17.9

 250 or More ..................................... 31 18 12 Q Q Q Q Q Q 18.8

Weekly Operating Hours

 39 or Fewer ...................................... 1,039 90 283 123 20 103 103 290 26 13.9

 40 to 48 ............................................ 1,278 74 781 141 11 101 79 75 16 14.4

 49 to 60 ............................................ 1,004 75 587 104 Q 81 65 57 27 14.2

 61 to 84 ............................................ 645 142 324 58 Q 39 32 35 Q 15.6

 85 to 167 .......................................... 478 201 180 Q Q 29 Q 22 20 17.0

 Open Continuously .......................... 362 68 183 Q Q 32 Q 44 Q 19.6

Q = Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.

Notes: • To obtain a RSE percentage for any table cell, multiply the cell’s corresponding RSE column and RSE row factors. • See Glossary for explanation of

abbreviations and definitions of terms used in this report.

Source: Energy Information Administration, Office of Energy Marketsand End Use, Form EIA-871A, "Building Questionnaire," 1992 Commercial Buildings Energy

Consumption Survey.

Energy Information Administration/Commercial Buildings Characteristrics 1992 151
Table A35. End-Use Combinations, Floorspace, 1992 

 (Million Square Feet)

Building

Characteristics

 RSE Column Factor:

Total

Floorspace

of All

Buildings

Heated Buildings

with Air Conditioning and--

Heated Buildings

Without Air Conditioning and--

Buildings

Without

Heating,

Cooling,

Water Heating,

or Cooking

All Other

Combinations

RSE

Row

Factor

with

Water

Heating

and

Cooking

with

Water

Heating

but Not

Cooking

Without

Water

Heating

or

Cooking

with

Water

Heating

and

Cooking

with

Water

Heating

but Not

Cooking

Without

Water

Heating

or

Cooking

0.4 0.7 0.5 1.1 1.6 1.2 1.2 1.2 2.1

All Buildings ................................... 67,876 21,648 31,692 2,679 1,019 3,349 1,540 4,638 1,312 9.9

Building Floorspace (square feet)

 1,001 to 5,000 ................................ 7,327 757 3,253 862 89 702 540 918 206 11.0

 5,001 to 10,000 .............................. 7,199 901 4,221 425 94 565 327 585 81 14.0

 10,001 to 25,000 ............................ 10,375 1,667 5,980 518 142 810 293 711 255 16.7

 25,001 to 50,000 ............................ 10,069 2,254 5,675 389 350 273 168 773 187 21.2

 50,001 to 100,000 .......................... 8,062 2,953 3,985 110 Q 350 81 323 137 22.9

 100,001 to 200,000 ........................ 9,678 3,902 4,024 136 Q 405 Q 937 Q 26.8

 200,001 to 500,000 ........................ 7,889 4,574 2,565 54 Q Q Q 347 Q 27.0

 Over 500,000 ................................. 7,278 4,641 1,989 Q 1 Q Q 44 Q 16.8

Principal Building Activity

 Education ....................................... 8,470 5,124 1,893 357 537 392 Q Q Q 18.8

 Food Sales ..................................... 757 335 351 Q Q 28 Q Q 34 31.2

 Food Service ................................. 1,491 1,380 35 Q Q Q Q Q Q 29.7

 Health Care .................................... 1,763 1,281 446 Q Q Q Q Q Q 29.1

 Lodging .......................................... 2,891 1,475 982 Q Q 267 Q Q Q 26.7

 Mercantile and Service ................... 12,402 3,562 6,199 766 Q 763 531 221 Q 17.6

 Office .............................................. 12,319 3,622 8,284 195 Q 99 Q Q Q 17.9

 Parking Garage .............................. 1,652 Q 636 Q Q Q Q 459 Q 52.8

 Public Assembly ............................. 4,556 2,535 1,423 99 122 250 35 56 36 31.0

 Public Order and Safety ................. 820 279 462 Q Q 56 Q Q Q 47.4

 Religious Worship .......................... 3,747 1,069 1,775 272 143 393 66 Q Q 26.0

 Warehouse and Storage ................ 11,484 341 6,781 528 Q 624 520 2,370 Q 19.7

 Other .............................................. 1,130 114 850 33 Q Q Q 57 Q 35.4

 Vacant ............................................ 4,396 Q 1,574 199 42 250 208 1,468 Q 25.6

Year Constructed

 1899 or Before ............................... 1,721 473 754 79 Q 208 101 Q Q 30.7

 1900 to 1919 .................................. 3,608 1,249 1,368 133 85 424 71 269 Q 28.8

 1920 to 1945 .................................. 8,712 1,898 4,179 480 311 566 278 923 77 21.9

 1946 to 1959 .................................. 10,421 2,511 5,218 420 310 653 245 902 162 18.5

 1960 to 1969 .................................. 12,612 4,618 5,306 513 233 604 253 778 307 20.6

 1970 to 1979 .................................. 14,014 4,806 6,668 407 Q 572 331 788 Q 16.5

 1980 to 1989 .................................. 14,287 5,256 6,944 519 Q 292 215 740 Q 19.5

 1990 to 1992 .................................. 2,502 837 1,255 127 Q Q 47 154 Q 27.3

Census Region

 Northeast ........................................ 13,400 5,395 5,515 239 339 1,118 252 493 49 20.3

 Midwest .......................................... 17,280 5,530 8,569 274 262 1,032 634 909 Q 15.6

 South .............................................. 24,577 7,658 11,337 1,731 Q 395 487 2,442 510 16.0

 West ............................................... 12,619 3,064 6,271 435 401 804 167 794 682 19.3

Energy Sources (more than one

may apply)

 Electricity ........................................ 66,549 21,648 31,692 2,679 1,019 3,349 1,515 3,336 1,312 10.2

 Natural Gas .................................... 45,097 17,427 22,412 1,207 754 2,161 625 Q Q 11.2

 Fuel Oil ........................................... 13,218 7,009 4,534 283 205 615 287 Q Q 18.3

 District Heat .................................... 5,339 2,055 2,600 110 204 303 Q Q Q 26.7

 District Chilled Water ...................... 2,066 911 1,064 82 Q Q Q Q Q 37.5

 Propane .......................................... 3,393 1,353 1,216 226 153 190 197 Q Q 26.0

 Other .............................................. 1,551 344 746 Q Q 142 219 Q Q 35.7

See footnotes at end of table.

152 Energy Information Administration/Commercial Buildings Characteristrics 1992
Table A35. End-Use Combinations, Floorspace, 1992 (Continued)

 (Million Square Feet)

Building

Characteristics

 RSE Column Factor:

Total

Floorspace

of All

Buildings

Heated Buildings

with Air Conditioning and--

Heated Buildings

Without Air Conditioning and--

Buildings

Without

Heating,

Cooling,

Water Heating,

or Cooking

All Other

Combinations

RSE

Row

Factor

with

Water

Heating

and

Cooking

with

Water

Heating

but Not

Cooking

Without

Water

Heating

or

Cooking

with

Water

Heating

and

Cooking

with

Water

Heating

but Not

Cooking

Without

Water

Heating

or

Cooking

0.4 0.7 0.5 1.1 1.6 1.2 1.2 1.2 2.1

Energy End Uses (more than one

may apply)

 Heated Buildings ............................ 61,996 21,648 31,692 2,679 1,019 3,349 1,540 Q 69 10.5

 Air-Conditioned Buildings ............... 57,041 21,648 31,692 2,679 Q Q Q Q 1,023 10.2

 Buildings with Water

 Heating .......................................... 58,479 21,648 31,692 Q 1,019 3,349 Q Q 771 10.8

 Buildings with Cooking ................... 23,065 21,648 Q Q 1,019 Q Q Q Q 12.7

 Buildings with

 Manufacturing ............................... 3,174 487 2,287 62 Q 146 106 Q Q 31.0

Climate Zone: 45-Year Average

 Fewer than 2,000 CDD and --

 More than 7,000 HDD .................. 5,623 1,640 2,471 Q 111 686 153 358 Q 26.5

 5,500 to 7,000 HDD ..................... 18,024 6,292 8,383 293 489 1,191 548 804 24 18.4

 4,000 to 5,499 HDD ..................... 16,162 5,666 7,577 274 164 851 435 1,082 113 21.8

 Fewer than 4,000 HDD ................ 15,251 4,182 7,543 714 254 517 294 1,263 Q 25.2

 More than 2,000 CDD and --

 Fewer than 4,000 HDD ................ 12,816 3,867 5,718 1,244 Q 105 111 1,130 642 24.1

Workers (main shift)

 Less than 5 ..................................... 17,944 2,498 6,625 1,266 135 1,702 1,373 3,833 514 15.9

 5 to 9 .............................................. 7,524 1,116 4,408 618 181 661 91 Q 120 18.9

 10 to 19 .......................................... 8,077 1,531 4,870 441 160 467 Q Q 145 19.5

 20 to 49 .......................................... 10,556 3,145 6,485 264 251 267 Q Q 111 19.5

 50 to 99 .......................................... 7,763 3,215 3,980 39 192 200 Q Q Q 27.1

 100 to 249 ...................................... 7,378 3,872 3,233 Q Q Q Q Q Q 25.2

 250 or More .................................... 8,633 6,270 2,091 Q Q Q Q Q Q 22.3

Weekly Operating Hours

 39 or Fewer .................................... 8,246 1,603 2,283 521 207 820 556 1,970 286 17.0

 40 to 48 .......................................... 14,998 2,831 8,696 865 155 816 383 1,056 Q 16.5

 49 to 60 .......................................... 14,046 2,810 8,570 645 274 636 283 Q 282 16.6

 61 to 84 .......................................... 12,062 4,939 5,664 284 21 423 188 264 Q 20.5

 85 to 167 ........................................ 8,467 4,478 3,069 114 221 187 56 217 125 23.9

 Open Continuously ......................... 10,057 4,986 3,410 Q 142 467 75 585 143 27.9

Q = Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.

Notes: • To obtain a RSE percentage for any table cell, multiply the cell’s corresponding RSE column and RSE row factors. • See Glossary for explanation of

abbreviations and definitions of terms used in this report.

Source: Energy Information Administration, Office of Energy Marketsand End Use, Form EIA-871A, "Building Questionnaire," 1992 Commercial Buildings Energy

Consumption Survey.

Energy Information Administration/Commercial Buildings Characteristrics 1992 153
Table A36. Space-Heating Energy Sources, Number of Buildings, 1992

 (Thousand)

Building

Characteristics

 RSE Column Factor:

All

Buildings

All

Heated

Buildings

Space-Heating Energy Source Used

(more than one may apply)

RSE

Row

Factor

Electricity

Natural

Gas Fuel Oil

District

Heat Propane Wood

0.5 0.5 0.8 0.7 1.3 1.6 1.8 2.1

All Buildings ................................... 4,806 4,178 1,513 2,405 479 94 255 102 7.5

Building Floorspace (square feet)

 1,001 to 5,000 ................................ 2,681 2,247 779 1,211 259 18 185 68 10.4

 5,001 to 10,000 .............................. 975 883 327 524 117 11 39 25 11.2

 10,001 to 25,000 ............................ 647 585 225 376 49 28 19 Q 11.3

 25,001 to 50,000 ............................ 280 255 101 157 31 15 Q Q 13.3

 50,001 to 100,000 .......................... 116 110 40 73 12 9 Q Q 13.0

 100,001 to 200,000 ........................ 71 64 24 45 5 6 Q Q 14.8

 200,001 to 500,000 ........................ 26 24 10 15 5 5 Q Q 18.2

 Over 500,000 ................................. 9 9 6 4 1 1 Q Q 35.6

Principal Building Activity

 Education ....................................... 301 295 104 182 25 20 Q Q 15.2

 Food Sales ..................................... 130 120 54 61 Q Q Q Q 26.1

 Food Service ................................. 260 249 73 162 Q Q Q Q 16.1

 Health Care .................................... 63 61 23 38 5 2 Q Q 28.4

 Lodging .......................................... 154 150 87 58 12 9 Q Q 21.3

 Mercantile and Service ................... 1,272 1,214 370 719 183 9 95 48 11.2

 Office .............................................. 749 745 311 439 69 24 Q Q 11.8

 Parking Garage .............................. 24 17 6 Q Q Q Q Q 52.1

 Public Assembly ............................. 278 257 89 156 25 10 Q Q 15.4

 Public Order and Safety ................. 60 60 19 36 Q Q Q Q 35.1

 Religious Worship .......................... 366 364 122 193 59 Q 48 Q 18.0

 Warehouse and Storage ................ 761 445 173 242 47 Q 38 Q 14.2

 Other .............................................. 69 48 24 21 Q 4 Q Q 29.5

 Vacant ............................................ 319 154 58 87 Q 2 Q Q 18.0

Year Constructed

 1899 or Before ............................... 169 158 45 105 29 4 Q Q 24.5

 1900 to 1919 .................................. 255 232 44 162 51 10 Q Q 19.0

 1920 to 1945 .................................. 724 623 155 405 94 12 30 37 13.6

 1946 to 1959 .................................. 880 760 234 469 97 22 54 Q 12.2

 1960 to 1969 .................................. 783 687 236 419 75 22 34 Q 12.3

 1970 to 1979 .................................. 982 850 375 460 81 9 46 Q 12.0

 1980 to 1989 .................................. 884 761 376 342 49 11 61 Q 12.1

 1990 to 1992 .................................. 128 107 48 44 Q Q Q Q 30.2

Census Region

 Northeast ........................................ 771 694 162 341 264 23 45 Q 14.2

 Midwest .......................................... 1,202 1,047 194 810 63 23 68 35 15.0

 South .............................................. 1,963 1,687 825 786 148 27 121 38 12.2

 West ............................................... 870 750 332 469 Q 20 Q Q 17.1

Energy Sources (more than one

may apply)

 Electricity ........................................ 4,616 4,173 1,513 2,405 479 93 253 98 7.5

 Natural Gas .................................... 2,665 2,627 556 2,405 91 34 Q 21 9.6

 Fuel Oil ........................................... 559 554 134 98 479 11 25 Q 15.4

 District Heat .................................... 95 95 17 6 3 94 Q Q 22.3

 District Chilled Water ...................... 28 28 5 3 Q 24 Q Q 31.5

 Propane .......................................... 337 330 95 19 50 Q 255 Q 21.3

 Any Other ....................................... 163 161 48 37 26 Q Q 102 20.5

Energy End Uses (more than one

may apply)

 Heated Buildings ............................ 4,178 4,178 1,513 2,405 479 94 255 102 7.5

 Air-Conditioned Buildings ............... 3,502 3,439 1,364 2,043 312 80 169 28 8.0

 Buildings with Water Heating ......... 3,502 3,436 1,269 2,088 364 80 164 48 7.9

 Buildings with Cooking ................... 734 715 272 444 83 18 32 Q 11.2

 Buildings with Manufacturing ......... 121 117 46 77 12 5 Q Q 25.4

See footnotes at end of table.

154 Energy Information Administration/Commercial Buildings Characteristrics 1992
Table A36. Space-Heating Energy Sources, Number of Buildings, 1992 (Continued)

 (Thousand)

Building

Characteristics

 RSE Column Factor:

All

Buildings

All

Heated

Buildings

Space-Heating Energy Source Used

(more than one may apply)

RSE

Row

Factor

Electricity

Natural

Gas Fuel Oil

District

Heat Propane Wood

0.5 0.5 0.8 0.7 1.3 1.6 1.8 2.1

Climate Zone: 45-Year Average

 Fewer than 2,000 CDD and --

 More than 7,000 HDD ............... 399 344 68 216 74 10 23 Q 24.7

 5,500-7,000 HDD ...................... 1,134 1,018 221 725 160 28 50 Q 18.3

 4,000-5,499 HDD ...................... 1,077 959 341 440 187 27 81 39 23.2

 Fewer than 4,000 HDD ............. 1,101 955 394 559 Q 13 78 Q 23.7

 More than 2,000 CDD and --

 Fewer than 4,000 HDD ............. 1,095 903 490 465 17 15 23 Q 21.6

Predominant Exterior Wall

Materials

 Masonry ......................................... 3,115 2,850 998 1,755 319 75 103 39 8.4

 Siding or Shingles .......................... 764 635 235 292 103 Q 80 Q 14.2

 Metal Panels .................................. 745 533 207 274 43 6 68 Q 15.3

 Concrete Panels ............................. 87 76 41 38 Q 7 Q Q 22.1

 Window Glass ................................ 46 41 19 22 Q 1 Q Q 33.6

 Other .............................................. 47 42 13 24 Q Q Q Q 44.2

Predominant Roof Materials

 Built-Up .......................................... 1,642 1,489 566 931 139 39 27 Q 9.2

 Shingles (Not Wood) ...................... 1,381 1,246 429 697 173 10 107 34 11.4

 Metal Surfacing .............................. 1,037 763 292 376 77 10 101 39 13.6

 Synthetic or Rubber ....................... 386 368 111 243 51 14 Q Q 13.8

 Slate or Tile .................................... 155 140 49 69 22 13 Q Q 21.3

 Concrete ......................................... 37 22 10 12 Q Q Q Q 42.0

 Other .............................................. 167 150 55 78 Q Q Q Q 25.6

Percent Window Glass

 25 or Less ...................................... 4,193 3,597 1,304 2,044 409 75 239 97 8.0

 26 to 50 .......................................... 490 464 157 298 54 15 Q Q 11.4

 51 to 75 .......................................... 94 89 40 53 12 3 Q Q 24.9

 76 to 100 ........................................ 29 27 13 10 Q 1 Q Q 35.1

Workers (main shift)

 Less than 5 ..................................... 2,718 2,154 728 1,159 273 22 180 83 10.3

 5 to 9 .............................................. 895 861 318 511 88 14 48 Q 11.0

 10 to 19 .......................................... 561 540 212 335 56 21 16 Q 12.7

 20 to 49 .......................................... 405 401 161 264 34 16 Q Q 11.7

 50 to 99 .......................................... 130 128 53 76 15 10 Q Q 14.8

 100 to 249 ...................................... 64 64 27 43 7 4 Q Q 15.0

 250 or More .................................... 31 30 15 16 5 7 Q Q 16.8

Weekly Operating Hours

 39 or Fewer .................................... 1,039 725 214 376 112 10 87 Q 14.6

 40 to 48 .......................................... 1,278 1,186 447 706 123 34 45 32 10.7

 49 to 60 .......................................... 1,004 920 318 551 116 16 58 Q 11.0

 61 to 84 .......................................... 645 603 201 369 69 9 30 Q 10.1

 85 to 167 ........................................ 478 436 172 255 34 7 Q Q 15.5

 Open Continuously ......................... 362 307 161 148 24 19 Q Q 14.6

Primary Space-Heating Energy

Source

 Electricity ........................................ 1,107 1,107 1,107 100 23 Q Q Q 14.2

 Natural Gas .................................... 2,276 2,276 271 2,276 48 2 Q Q 12.4

 Fuel Oil ........................................... 394 394 66 18 394 Q Q Q 21.0

 District Heat .................................... 91 91 16 3 Q 91 Q Q 22.8

 Propane .......................................... 217 217 31 Q Q Q 217 Q 25.8

 Wood .............................................. 68 68 Q Q Q Q Q 68 27.2

 Any Other ....................................... Q Q Q Q Q Q Q Q NF

See footnotes at end of table.

Energy Information Administration/Commercial Buildings Characteristrics 1992 155
Table A36. Space-Heating Energy Sources, Number of Buildings, 1992 (Continued)

 (Thousand)

Building

Characteristics

 RSE Column Factor:

All

Buildings

All

Heated

Buildings

Space-Heating Energy Source Used

(more than one may apply)

RSE

Row

Factor

Electricity

Natural

Gas Fuel Oil

District

Heat Propane Wood

0.5 0.5 0.8 0.7 1.3 1.6 1.8 2.1

Cooling Energy Sources (more

than one may apply)

 Electricity ........................................ 3,404 3,342 1,354 1,966 311 65 168 28 8.2

 Natural Gas .................................... 106 106 20 104 Q Q Q Q 19.3

 District Chilled Water ...................... 28 28 5 3 Q 24 Q Q 31.5

Water-Heating Energy Sources

(more than one may apply)

 Electricity ........................................ 1,696 1,660 902 689 197 29 106 31 9.1

 Natural Gas .................................... 1,647 1,621 363 1,442 51 18 Q Q 11.9

 Fuel Oil ........................................... 126 124 14 11 118 Q Q Q 30.2

 District Heat .................................... 38 38 3 4 Q 37 Q Q 27.0

 Propane .......................................... 80 76 20 Q Q Q 55 Q 32.9

Cooking Energy Sources (more

than one may apply)

 Electricity ........................................ 356 344 174 168 50 10 16 Q 14.9

 Natural Gas .................................... 431 425 112 356 25 11 Q Q 14.5

 Propane .......................................... 70 66 32 Q 28 Q Q Q 28.0

Percent of Floorspace Heated

 Not Heated ..................................... 653 25 Q Q Q Q Q Q 26.8

 1 to 50 ............................................ 688 688 283 353 73 4 51 36 13.3

 51 to 99 .......................................... 618 618 224 392 70 9 34 Q 12.6

 100 ................................................. 2,846 2,846 999 1,654 330 80 163 49 8.4

Heating Equipment (more than

one may apply)

 Heat Pumps ................................... 449 449 444 98 17 8 18 Q 17.5

 Furnaces ........................................ 1,692 1,692 403 1,218 251 Q 108 Q 9.2

 Individual Space Heaters ............... 1,464 1,464 668 819 151 14 162 81 10.6

 District Heat .................................... 93 93 16 5 3 93 Q Q 22.3

 Boilers ............................................ 624 624 116 419 199 Q 16 Q 10.8

 Packaged Heating Units ................. 870 870 407 535 13 2 Q Q 16.9

 Other .............................................. 42 42 19 22 Q Q Q Q 43.3

Heating Distribution Equipment

(more than one may apply)

 Radiators or Baseboards ............... 473 473 73 273 158 47 Q Q 11.6

 Ducts for Heating ........................... 2,955 2,955 1,139 1,806 297 50 138 23 8.1

 Heating Only ............................. 577 577 95 360 173 5 41 Q 14.2

 Heating and Cooling .................. 2,378 2,378 1,044 1,446 125 45 98 Q 8.0

 Variable Air-Volume

 System ...................................... 210 210 78 144 17 13 Q Q 14.6

 Fan Coil Units for Heating .............. 99 99 30 61 21 16 Q Q 18.1

 Heating Only ............................. 78 78 27 48 16 11 Q Q 21.4

 Heating and Cooling .................. 21 21 2 13 5 5 Q Q 31.3

 Individual Space Heaters ............... 1,464 1,464 668 819 151 14 162 81 10.6

 Other .............................................. 181 181 53 100 30 Q Q Q 19.4

NF = No applicable RSE row factor.

Q = Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.

Notes: • To obtain a RSE percentage for any table cell, multiply the cell’s corresponding RSE column and RSE row factors. • See Glossary for explanation of

abbreviations and definitions of terms used in this report.

Source: Energy Information Administration, Office of Energy Marketsand End Use, Form EIA-871A, "Building Questionnaire," 1992 Commercial Buildings Energy

Consumption Survey.

156 Energy Information Administration/Commercial Buildings Characteristrics 1992
Table A37. Space-Heating Energy Sources, Floorspace, 1992

 (Million Square Feet)

Building

Characteristics

 RSE Column Factor:

Total

Floorspace

of All

Buildings

Total

Floorspace

of All

Heated

Buildings

Space-Heating Energy Source Used

(more than one may apply)

RSE

Row

Factor

Electricity

Natural

Gas Fuel Oil

District

Heat Propane Wood

0.5 0.6 0.9 0.7 1.2 1.4 1.8 1.8

All Buildings ................................... 67,876 61,996 25,636 38,524 7,334 5,242 1,568 504 7.6

Building Floorspace (square feet)

 1,001 to 5,000 ................................ 7,327 6,210 2,162 3,414 748 56 479 173 10.6

 5,001 to 10,000 .............................. 7,199 6,533 2,427 3,893 872 73 287 182 11.1

 10,001 to 25,000 ............................ 10,375 9,424 3,648 6,130 770 443 270 Q 11.1

 25,001 to 50,000 ............................ 10,069 9,132 3,599 5,648 1,100 516 Q Q 13.3

 50,001 to 100,000 .......................... 8,062 7,622 2,825 5,033 904 638 Q Q 12.7

 100,001 to 200,000 ........................ 9,678 8,730 3,260 6,212 760 780 Q Q 14.3

 200,001 to 500,000 ........................ 7,889 7,470 3,198 4,544 1,414 1,521 Q Q 18.3

 Over 500,000 ................................. 7,278 6,876 4,517 3,650 765 1,215 Q Q 29.3

Principal Building Activity

 Education ....................................... 8,470 8,379 2,159 5,957 1,548 641 Q Q 13.7

 Food Sales ..................................... 757 723 285 448 Q Q Q Q 28.7

 Food Service ................................. 1,491 1,435 407 855 Q Q Q Q 18.9

 Health Care .................................... 1,763 1,746 667 1,236 584 403 Q Q 19.0

 Lodging .......................................... 2,891 2,870 1,516 1,298 272 580 Q Q 23.6

 Mercantile and Service ................... 12,402 11,835 5,122 8,301 1,128 148 530 196 15.0

 Office .............................................. 12,319 12,255 5,445 6,528 1,345 1,706 Q Q 12.0

 Parking Garage .............................. 1,652 1,165 730 Q Q Q Q Q 50.4

 Public Assembly ............................. 4,556 4,470 2,267 2,271 519 348 Q Q 31.1

 Public Order and Safety ................. 820 820 184 480 Q Q Q Q 36.8

 Religious Worship .......................... 3,747 3,737 1,361 2,672 527 Q 154 Q 19.6

 Warehouse and Storage ................ 11,484 8,800 4,304 5,920 683 Q 297 Q 16.8

 Other .............................................. 1,130 1,025 267 633 Q 326 Q Q 26.7

 Vacant ............................................ 4,396 2,738 924 1,594 Q 410 Q Q 26.8

Year Constructed

 1899 or Before ............................... 1,721 1,637 419 1,161 283 91 Q Q 24.0

 1900 to 1919 .................................. 3,608 3,329 846 2,345 744 269 Q Q 25.7

 1920 to 1945 .................................. 8,712 7,717 2,197 4,964 1,322 1,128 151 199 18.0

 1946 to 1959 .................................. 10,421 9,371 3,116 6,509 1,201 545 219 Q 13.3

 1960 to 1969 .................................. 12,612 11,548 3,880 7,875 1,505 1,363 273 Q 16.2

 1970 to 1979 .................................. 14,014 12,814 6,191 7,673 1,495 972 351 Q 12.0

 1980 to 1989 .................................. 14,287 13,276 7,958 6,671 660 673 451 Q 15.8

 1990 to 1992 .................................. 2,502 2,303 1,030 1,325 124 202 Q Q 21.2

Census Region

 Northeast ........................................ 13,400 12,858 4,505 6,871 4,228 1,556 329 Q 14.5

 Midwest .......................................... 17,280 16,303 4,673 12,305 1,226 1,869 355 140 13.7

 South .............................................. 24,577 21,659 11,185 11,604 1,628 941 791 168 12.5

 West ............................................... 12,619 11,176 5,273 7,744 Q 875 Q Q 12.5

Energy Sources (more than one

may apply)

 Electricity ........................................ 66,549 61,971 25,636 38,524 7,334 5,228 1,561 494 7.6

 Natural Gas .................................... 45,097 44,624 13,927 38,524 3,883 2,724 Q 167 8.9

 Fuel Oil ........................................... 13,218 12,933 4,872 5,966 7,334 1,241 237 Q 11.6

 District Heat .................................... 5,339 5,324 985 627 447 5,242 Q Q 19.4

 District Chilled Water ...................... 2,066 2,063 476 338 Q 1,702 Q Q 27.5

 Propane .......................................... 3,393 3,340 1,550 742 935 Q 1,568 Q 18.6

 Any Other ....................................... 1,551 1,522 753 649 178 Q Q 504 27.8

Energy End Uses (more than one

may apply)

 Heated Buildings ............................ 61,996 61,996 25,636 38,524 7,334 5,242 1,568 504 7.7

 Air-Conditioned Buildings ............... 57,041 56,073 24,123 35,315 6,307 4,711 1,201 196 8.4

 Buildings with Water Heating ......... 58,479 57,708 23,996 36,677 6,796 5,081 1,146 308 8.0

 Buildings with Cooking ................... 23,065 22,736 10,147 14,625 3,484 2,198 316 Q 12.0

 Buildings with Manufacturing ......... 3,174 3,121 1,178 2,214 505 415 Q Q 25.5

See footnotes at end of table.

Energy Information Administration/Commercial Buildings Characteristrics 1992 157
Table A37. Space-Heating Energy Sources, Floorspace, 1992 (Continued)

 (Million Square Feet)

Building

Characteristics

 RSE Column Factor:

Total

Floorspace

of All

Buildings

Total

Floorspace

of All

Heated

Buildings

Space-Heating Energy Source Used

(more than one may apply)

RSE

Row

Factor

Electricity

Natural

Gas Fuel Oil

District

Heat Propane Wood

0.5 0.6 0.9 0.7 1.2 1.4 1.8 1.8

Climate Zone: 45-Year Average

 Fewer than 2,000 CDD and --

 More than 7,000 HDD ............... 5,623 5,218 1,268 3,360 1,284 513 277 Q 23.1

 5,500-7,000 HDD ...................... 18,024 17,196 5,460 12,269 2,322 1,903 273 Q 14.9

 4,000-5,499 HDD ...................... 16,162 14,966 6,098 8,539 2,827 1,706 428 139 15.8

 Fewer than 4,000 HDD ............. 15,251 13,537 5,940 9,380 738 560 378 Q 24.1

 More than 2,000 CDD and --

 Fewer than 4,000 HDD ............. 12,816 11,079 6,871 4,975 164 560 212 Q 21.7

Predominant Exterior Wall

Materials

 Masonry ......................................... 48,585 45,520 18,048 29,089 5,837 3,687 674 274 8.9

 Siding or Shingles .......................... 3,873 3,303 1,366 1,775 534 Q 332 Q 14.7

 Metal Panels .................................. 7,392 5,682 2,703 3,238 481 331 516 Q 18.2

 Concrete Panels ............................. 4,961 4,663 2,212 2,969 Q 699 Q Q 24.8

 Window Glass ................................ 2,028 1,839 979 825 Q Q Q Q 26.2

 Other .............................................. 1,037 988 328 628 Q Q Q Q 40.3

Predominant Roof Materials

 Built-Up .......................................... 30,257 28,271 12,420 17,907 2,834 2,346 236 Q 10.9

 Shingles (Not Wood) ...................... 10,570 9,764 3,227 5,906 1,422 459 393 202 13.9

 Metal Surfacing .............................. 9,019 7,121 3,116 4,108 509 306 708 148 14.9

 Synthetic or Rubber ....................... 11,702 11,541 4,365 7,778 1,924 1,470 Q Q 13.9

 Slate or Tile .................................... 1,998 1,863 546 1,027 300 400 Q Q 24.7

 Concrete ......................................... 2,544 1,741 1,157 808 Q Q Q Q 46.2

 Other .............................................. 1,786 1,695 805 989 Q Q Q Q 25.6

Percent Window Glass

 25 or Less ...................................... 51,356 45,868 18,426 28,689 5,262 3,058 1,436 474 8.7

 26 to 50 .......................................... 11,815 11,493 5,047 7,455 1,621 1,352 Q Q 12.7

 51 to 75 .......................................... 3,206 3,185 1,580 1,867 269 473 Q Q 19.4

 76 to 100 ........................................ 1,499 1,450 583 513 Q Q Q Q 30.1

Workers (main shift)

 Less than 5 ..................................... 17,944 13,604 5,498 7,098 1,549 410 697 328 15.9

 5 to 9 .............................................. 7,524 7,075 2,930 4,117 706 314 365 Q 13.3

 10 to 19 .......................................... 8,077 7,528 2,907 4,826 696 487 178 Q 13.8

 20 to 49 .......................................... 10,556 10,440 3,833 7,502 741 503 Q Q 11.8

 50 to 99 .......................................... 7,763 7,652 3,017 5,274 826 785 Q Q 16.5

 100 to 249 ...................................... 7,378 7,323 3,188 5,101 1,106 674 Q Q 18.9

 250 or More .................................... 8,633 8,374 4,263 4,607 1,710 2,070 Q Q 16.8

Weekly Operating Hours

 39 or Fewer .................................... 8,246 6,000 1,641 3,482 1,069 347 341 Q 16.3

 40 to 48 .......................................... 14,998 13,745 5,464 8,680 1,492 792 217 133 11.4

 49 to 60 .......................................... 14,046 13,251 5,180 8,626 1,310 1,051 460 Q 11.4

 61 to 84 .......................................... 12,062 11,529 5,114 7,746 893 695 259 Q 14.6

 85 to 167 ........................................ 8,467 8,141 3,476 5,509 1,162 504 Q Q 18.7

 Open Continuously ......................... 10,057 9,329 4,761 4,481 1,409 1,853 Q Q 19.7

Primary Space-Heating Energy

Source

 Electricity ........................................ 15,502 15,502 15,502 2,202 330 Q Q Q 18.0

 Natural Gas .................................... 35,161 35,161 7,660 35,161 2,225 Q Q Q 9.8

 Fuel Oil ........................................... 4,415 4,415 839 450 4,415 Q Q Q 20.7

 District Heat .................................... 5,014 5,014 895 393 Q 5,014 Q Q 20.2

 Propane .......................................... 1,101 1,101 279 Q Q Q 1,101 Q 25.2

 Wood .............................................. 257 257 Q Q Q Q Q 257 22.5

 Any Other ....................................... 546 546 Q Q Q Q Q Q 82.1

See footnotes at end of table.

158 Energy Information Administration/Commercial Buildings Characteristrics 1992
Table A37. Space-Heating Energy Sources, Floorspace, 1992 (Continued)

 (Million Square Feet)

Building

Characteristics

 RSE Column Factor:

Total

Floorspace

of All

Buildings

Total

Floorspace

of All

Heated

Buildings

Space-Heating Energy Source Used

(more than one may apply)

RSE

Row

Factor

Electricity

Natural

Gas Fuel Oil

District

Heat Propane Wood

0.5 0.6 0.9 0.7 1.2 1.4 1.8 1.8

Cooling Energy Sources (more

than one may apply)

 Electricity ........................................ 54,628 53,663 23,798 34,303 5,981 3,409 1,171 196 8.4

 Natural Gas .................................... 1,906 1,906 430 1,816 Q Q Q Q 25.2

 District Chilled Water ...................... 2,066 2,063 476 338 Q 1,702 Q Q 27.5

Water-Heating Energy Sources

(more than one may apply)

 Electricity ........................................ 25,482 24,878 15,574 11,961 2,363 1,070 739 159 11.7

 Natural Gas .................................... 29,962 29,802 8,643 26,322 2,581 1,109 Q Q 10.6

 Fuel Oil ........................................... 2,470 2,464 471 462 2,402 Q Q Q 28.2

 District Heat .................................... 3,308 3,308 581 432 Q 3,240 Q Q 22.1

 Propane .......................................... 659 648 255 Q Q Q 346 Q 32.5

Cooking Energy Sources (more

than one may apply)

 Electricity ........................................ 12,183 12,124 6,707 6,711 1,668 1,336 223 Q 16.9

 Natural Gas .................................... 15,233 14,987 5,687 11,888 2,007 1,199 Q Q 13.1

 Propane .......................................... 1,039 1,000 598 Q 478 Q Q Q 33.8

Percent of Floorspace Heated

 Not Heated ..................................... 6,211 330 Q Q Q Q Q Q 34.3

 1 to 50 ............................................ 11,195 11,195 5,932 6,524 702 385 393 211 17.2

 51 to 99 .......................................... 10,211 10,211 4,569 6,596 1,444 815 285 Q 13.8

 100 ................................................. 40,260 40,260 14,983 25,235 5,148 4,024 858 188 9.2

Heating Equipment (more than

one may apply)

 Heat Pumps ................................... 8,269 8,269 8,243 3,651 602 443 242 Q 15.2

 Furnaces ........................................ 16,909 16,909 6,018 13,797 1,746 Q 534 Q 10.5

 Individual Space Heaters ............... 22,380 22,380 12,980 13,980 2,099 1,139 984 380 9.9

 District Heat .................................... 5,225 5,225 970 553 413 5,225 Q Q 19.8

 Boilers ............................................ 20,664 20,664 6,583 15,967 5,260 Q 219 Q 12.3

 Packaged Heating Units ................. 16,000 16,000 8,375 11,524 627 279 Q Q 13.3

 Other .............................................. 903 903 491 549 Q Q Q Q 33.0

Heating Distribution Equipment

(more than one may apply)

 Radiators or Baseboards ............... 13,263 13,263 2,909 8,313 3,702 2,695 Q Q 11.4

 Ducts for Heating ........................... 45,422 45,422 20,063 30,075 4,629 3,141 1,001 151 8.9

 Heating Only ............................. 5,950 5,950 1,969 4,421 1,177 207 211 Q 20.0

 Heating and Cooling .................. 39,472 39,472 18,094 25,654 3,453 2,935 790 Q 8.8

 Variable Air-Volume

 System ...................................... 11,528 11,528 5,519 7,440 1,480 1,721 Q Q 18.4

 Fan Coil Units for Heating .............. 5,474 5,474 1,874 3,677 1,243 1,444 Q Q 16.8

 Heating Only ............................. 3,569 3,569 1,480 2,475 667 693 Q Q 22.3

 Heating and Cooling .................. 1,906 1,906 393 1,203 576 751 Q Q 22.0

 Individual Space Heaters ............... 22,380 22,380 12,980 13,980 2,099 1,139 984 380 9.9

 Other .............................................. 3,310 3,310 1,434 2,511 413 245 Q Q 23.6

Q = Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.

Notes: • To obtain a RSE percentage for any table cell, multiply the cell’s corresponding RSE column and RSE row factors. • See Glossary for explanation of

abbreviations and definitions of terms used in this report.

Source: Energy Information Administration, Office of Energy Marketsand End Use, Form EIA-871A, "Building Questionnaire," 1992 Commercial Buildings Energy

Consumption Survey.

Energy Information Administration/Commercial Buildings Characteristrics 1992 159
Table A38. Primary Space-Heating Energy Sources, Number of Buildings, 1992

 (Thousand)

Building

Characteristics

 RSE Column Factor:

All

Buildings

All

Heated

Buildings

Primary Space-Heating Energy Sources Used

RSE

Row

Factor

Electricity

Natural

Gas

Fuel

Oil

District

Heat Propane Wood

0.5 0.5 0.8 0.6 1.4 1.5 1.8 2.2

All Buildings ................................... 4,806 4,178 1,107 2,276 394 91 217 68 8.2

Building Floorspace (square feet)

 1,001 to 5,000 ................................ 2,681 2,247 618 1,157 220 18 168 52 11.0

 5,001 to 10,000 .............................. 975 883 231 492 106 11 31 Q 11.7

 10,001 to 25,000 ............................ 647 585 148 354 34 27 Q Q 11.9

 25,001 to 50,000 ............................ 280 255 62 150 22 15 Q Q 14.3

 50,001 to 100,000 .......................... 116 110 26 65 8 9 Q Q 14.7

 100,001 to 200,000 ........................ 71 64 13 39 3 6 Q Q 17.3

 200,001 to 500,000 ........................ 26 24 5 14 1 4 Q Q 21.4

 Over 500,000 ................................. 9 9 Q 3 Q 1 Q Q 39.2

Principal Building Activity

 Education ....................................... 301 295 79 170 20 20 Q Q 16.3

 Food Sales ..................................... 130 120 53 57 Q Q Q Q 27.1

 Food Service ................................. 260 249 53 159 Q Q Q Q 17.7

 Health Care .................................... 63 61 20 35 Q 2 Q Q 29.9

 Lodging .......................................... 154 150 77 49 Q 9 Q Q 22.0

 Mercantile and Service ................... 1,272 1,214 245 681 154 8 75 38 12.2

 Office .............................................. 749 745 243 409 61 23 Q Q 12.1

 Parking Garage .............................. 24 17 6 Q Q Q Q Q 53.9

 Public Assembly ............................. 278 257 59 144 21 10 Q Q 17.0

 Public Order and Safety ................. 60 60 Q 36 Q Q Q Q 36.3

 Religious Worship .......................... 366 364 74 189 51 Q 44 Q 19.2

 Warehouse and Storage ................ 761 445 120 232 32 Q 32 Q 15.2

 Other .............................................. 69 48 17 19 Q 4 Q Q 33.3

 Vacant ............................................ 319 154 49 86 Q 2 Q Q 19.0

Year Constructed

 1899 or Before ............................... 169 158 26 97 25 4 Q Q 26.4

 1900 to 1919 .................................. 255 232 18 157 41 10 Q Q 21.1

 1920 to 1945 .................................. 724 623 82 391 81 12 Q Q 14.2

 1946 to 1959 .................................. 880 760 150 445 88 22 46 Q 13.4

 1960 to 1969 .................................. 783 687 167 396 58 22 30 Q 12.8

 1970 to 1979 .................................. 982 850 301 427 57 8 43 Q 12.9

 1980 to 1989 .................................. 884 761 322 321 42 11 46 Q 12.8

 1990 to 1992 .................................. 128 107 41 43 Q Q Q Q 31.2

Census Region

 Northeast ........................................ 771 694 68 322 235 22 31 Q 15.5

 Midwest .......................................... 1,202 1,047 124 776 41 23 60 Q 16.9

 South .............................................. 1,963 1,687 655 737 115 27 107 32 13.2

 West ............................................... 870 750 260 440 Q 20 Q Q 18.4

Energy Sources (more than one

may apply)

 Electricity ........................................ 4,616 4,173 1,107 2,276 394 91 217 64 8.2

 Natural Gas .................................... 2,665 2,627 270 2,276 37 32 Q Q 10.3

 Fuel Oil ........................................... 559 554 51 75 394 11 Q Q 17.1

 District Heat .................................... 95 95 Q 3 Q 91 Q Q 22.1

 District Chilled Water ...................... 28 28 2 Q Q 23 Q Q 31.6

 Propane .......................................... 337 330 52 17 38 Q 217 Q 24.0

 Any Other ....................................... 163 161 Q 24 Q Q Q 68 22.0

Energy End Uses (more than one

may apply)

 Heated Buildings ............................ 4,178 4,178 1,107 2,276 394 91 217 68 8.2

 Air-Conditioned Buildings ............... 3,502 3,439 1,005 1,933 247 78 144 Q 8.3

 Buildings with Water Heating ......... 3,502 3,436 921 1,972 292 78 131 Q 8.4

 Buildings with Cooking ................... 734 715 192 410 65 17 25 Q 12.2

 Buildings with Manufacturing ......... 121 117 28 69 9 5 Q Q 28.4

See footnotes at end of table.

160 Energy Information Administration/Commercial Buildings Characteristrics 1992
Table A38. Primary Space-Heating Energy Sources, Number of Buildings, 1992 (Continued)

 (Thousand)

Building

Characteristics

 RSE Column Factor:

All

Buildings

All

Heated

Buildings

Primary Space-Heating Energy Sources Used

RSE

Row

Factor

Electricity

Natural

Gas

Fuel

Oil

District

Heat Propane Wood

0.5 0.5 0.8 0.6 1.4 1.5 1.8 2.2

Climate Zone: 45-Year Average

 Fewer than 2,000 CDD and --

 More than 7,000 HDD ............... 399 344 35 206 64 10 Q Q 26.7

 5,500-7,000 HDD ...................... 1,134 1,018 104 697 129 27 39 Q 19.9

 4,000-5,499 HDD ...................... 1,077 959 238 414 167 26 67 Q 25.3

 Fewer than 4,000 HDD ............. 1,101 955 304 524 Q 13 75 Q 24.1

 More than 2,000 CDD and --

 Fewer than 4,000 HDD ............. 1,095 903 426 434 Q 15 Q Q 20.6

Predominant Exterior Wall

Materials

 Masonry ......................................... 3,115 2,850 721 1,667 263 74 87 Q 8.6

 Siding or Shingles .......................... 764 635 172 273 90 Q 68 Q 14.4

 Metal Panels .................................. 745 533 155 258 29 6 59 Q 17.0

 Concrete Panels ............................. 87 76 35 34 Q 6 Q Q 24.4

 Window Glass ................................ 46 41 16 19 Q 1 Q Q 36.0

 Other .............................................. 47 42 8 24 Q Q Q Q 44.8

Predominant Roof Materials

 Built-Up .......................................... 1,642 1,489 427 873 109 39 22 Q 10.4

 Shingles (Not Wood) ...................... 1,381 1,246 304 662 155 10 89 Q 11.8

 Metal Surfacing .............................. 1,037 763 215 358 57 10 89 Q 15.4

 Synthetic or Rubber ....................... 386 368 64 232 43 13 Q Q 15.5

 Slate or Tile .................................... 155 140 39 65 19 13 Q Q 22.2

 Concrete ......................................... 37 22 8 11 Q Q Q Q 43.8

 Other .............................................. 167 150 50 75 Q Q Q Q 26.5

Percent Window Glass

 25 or Less ...................................... 4,193 3,597 957 1,937 338 73 204 65 8.7

 26 to 50 .......................................... 490 464 110 282 42 14 Q Q 12.5

 51 to 75 .......................................... 94 89 27 48 10 Q Q Q 26.3

 76 to 100 ........................................ 29 27 12 9 Q 1 Q Q 36.9

Workers (main shift)

 Less than 5 ..................................... 2,718 2,154 557 1,111 231 22 158 59 11.1

 5 to 9 .............................................. 895 861 233 489 74 14 44 Q 11.6

 10 to 19 .......................................... 561 540 152 309 44 21 Q Q 12.8

 20 to 49 .......................................... 405 401 105 246 28 16 Q Q 12.7

 50 to 99 .......................................... 130 128 36 67 11 9 Q Q 16.5

 100 to 249 ...................................... 64 64 17 39 4 4 Q Q 17.6

 250 or More .................................... 31 30 8 14 2 6 Q Q 20.7

Weekly Operating Hours

 39 or Fewer .................................... 1,039 725 144 366 103 10 81 Q 15.1

 40 to 48 .......................................... 1,278 1,186 318 668 103 33 35 Q 11.8

 49 to 60 .......................................... 1,004 920 233 514 88 15 44 Q 12.0

 61 to 84 .......................................... 645 603 149 348 60 8 28 Q 10.9

 85 to 167 ........................................ 478 436 128 245 29 7 Q Q 16.6

 Open Continuously ......................... 362 307 134 134 12 18 Q Q 16.8

Replacement Energy Source for

Primary Heating

 Electricity Only ............................... 350 350 Q 280 Q Q 33 Q 17.3

 Natural Gas Only ............................ 213 213 125 Q 47 6 Q Q 19.7

 Fuel Oil Only .................................. 161 161 25 108 Q 6 Q Q 23.1

 Propane Only ................................. 212 212 43 121 37 Q Q Q 23.7

 Any Other Single Energy Source

 Source ............................................ 57 57 Q 25 Q Q Q Q 34.8

 More than One Energy Source ...... 93 93 Q 58 Q Q Q Q 34.8

Percent of Floorspace Heated

 Not Heated ..................................... 653 25 Q Q Q Q Q Q 29.1

 1 to 50 ............................................ 688 688 220 332 62 3 40 Q 15.3

 51 to 99 .......................................... 618 618 160 361 53 9 26 Q 13.7

 100 ................................................. 2,846 2,846 720 1,576 276 79 146 Q 8.6

See footnotes at end of table.

Energy Information Administration/Commercial Buildings Characteristrics 1992 161
Table A38. Primary Space-Heating Energy Sources, Number of Buildings, 1992 (Continued)

 (Thousand)

Building

Characteristics

 RSE Column Factor:

All

Buildings

All

Heated

Buildings

Primary Space-Heating Energy Sources Used

RSE

Row

Factor

Electricity

Natural

Gas

Fuel

Oil

District

Heat Propane Wood

0.5 0.5 0.8 0.6 1.4 1.5 1.8 2.2

Heating Equipment (more than

one may apply)

 Heat Pumps ................................... 449 449 362 60 10 7 Q Q 19.4

 Furnaces ........................................ 1,692 1,692 205 1,162 209 Q 92 Q 9.9

 Individual Space Heaters ............... 1,464 1,464 384 753 114 14 134 53 11.3

 District Heat .................................... 93 93 Q 2 Q 91 Q Q 22.4

 Boilers ............................................ 624 624 33 393 170 Q Q Q 12.5

 Packaged Heating Units ................. 870 870 331 507 Q 2 Q Q 16.4

 Other .............................................. 42 42 18 19 Q Q Q Q 46.4

Heating Distribution Equipment

(more than one may apply)

 Radiators or Baseboards ............... 473 473 12 254 136 46 Q Q 14.5

 Ducts for Heating ........................... 2,955 2,955 831 1,707 241 49 111 Q 8.3

 Heating Only ............................. 577 577 33 340 157 5 29 Q 16.6

 Heating and Cooling .................. 2,378 2,378 798 1,367 84 44 82 Q 8.8

 Variable Air-Volume

 System ...................................... 210 210 49 136 8 13 Q Q 16.6

 Fan Coil Units for Heating .............. 99 99 13 56 14 16 Q Q 21.4

 Heating Only ............................. 78 78 12 44 11 11 Q Q 24.7

 Heating and Cooling .................. 21 21 Q 12 Q 5 Q Q 32.0

 Individual Space Heaters ............... 1,464 1,464 384 753 114 14 134 53 11.3

 Other .............................................. 181 181 34 93 27 Q Q Q 21.1

Q = Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.

Notes: • To obtain a RSE percentage for any table cell, multiply the cell’s corresponding RSE column and RSE row factors. • See Glossary for explanation of

abbreviations and definitions of terms used in this report.

Source: Energy Information Administration, Office of Energy Marketsand End Use, Form EIA-871A, "Building Questionnaire," 1992 Commercial Buildings Energy

Consumption Survey.

162 Energy Information Administration/Commercial Buildings Characteristrics 1992
Table A39. Primary Space-Heating Energy Sources, Floorspace, 1992

 (Million Square Feet)

Building

Characteristics

 RSE Column Factor:

Total

Floorspace

All

Buildings

Total

Floorspace

of All

Heated

Buildings

Primary Space-Heating Energy Sources Used

RSE

Row

Factor

Electricity

Natural

Gas

Fuel

Oil

District

Heat Propane Wood

0.5 0.5 1.0 0.7 1.3 1.4 1.9 1.7

All Buildings ................................... 67,876 61,996 15,502 35,161 4,415 5,014 1,101 257 8.7

Building Floorspace (square feet)

 1,001 to 5,000 ................................ 7,327 6,210 1,684 3,256 629 56 427 126 11.2

 5,001 to 10,000 .............................. 7,199 6,533 1,719 3,648 779 73 232 Q 11.3

 10,001 to 25,000 ............................ 10,375 9,424 2,411 5,763 519 433 Q Q 11.2

 25,001 to 50,000 ............................ 10,069 9,132 2,245 5,377 791 494 Q Q 14.1

 50,001 to 100,000 .......................... 8,062 7,622 1,788 4,547 569 571 Q Q 14.0

 100,001 to 200,000 ........................ 9,678 8,730 1,803 5,420 472 780 Q Q 16.2

 200,001 to 500,000 ........................ 7,889 7,470 1,428 4,225 387 1,430 Q Q 21.2

 Over 500,000 ................................. 7,278 6,876 2,424 2,925 Q 1,177 Q Q 34.7

Principal Building Activity

 Education ....................................... 8,470 8,379 998 5,642 996 637 Q Q 13.8

 Food Sales ..................................... 757 723 282 401 Q Q Q Q 29.7

 Food Service ................................. 1,491 1,435 307 850 Q Q Q Q 20.8

 Health Care .................................... 1,763 1,746 198 1,030 Q 385 Q Q 22.9

 Lodging .......................................... 2,891 2,870 1,125 1,004 Q 575 Q Q 23.1

 Mercantile and Service ................... 12,402 11,835 2,858 7,272 833 141 364 144 15.5

 Office .............................................. 12,319 12,255 3,746 5,924 998 1,553 Q Q 13.2

 Parking Garage .............................. 1,652 1,165 706 Q Q Q Q Q 51.8

 Public Assembly ............................. 4,556 4,470 Q 2,028 Q 308 Q Q 29.7

 Public Order and Safety ................. 820 820 Q 468 Q Q Q Q 45.4

 Religious Worship .......................... 3,747 3,737 602 2,612 324 Q 132 Q 20.0

 Warehouse and Storage ................ 11,484 8,800 2,121 5,612 366 Q 226 Q 17.2

 Other .............................................. 1,130 1,025 105 535 Q 326 Q Q 26.0

 Vacant ............................................ 4,396 2,738 683 1,455 Q 410 Q Q 28.3

Year Constructed

 1899 or Before ............................... 1,721 1,637 246 1,074 186 91 Q Q 26.6

 1900 to 1919 .................................. 3,608 3,329 250 2,292 474 264 Q Q 27.2

 1920 to 1945 .................................. 8,712 7,717 790 4,516 895 1,053 Q Q 18.5

 1946 to 1959 .................................. 10,421 9,371 1,493 6,115 996 537 171 Q 14.6

 1960 to 1969 .................................. 12,612 11,548 1,893 7,241 739 1,339 115 Q 15.4

 1970 to 1979 .................................. 14,014 12,814 3,800 7,032 711 911 273 Q 13.0

 1980 to 1989 .................................. 14,287 13,276 6,230 5,665 350 656 304 Q 17.2

 1990 to 1992 .................................. 2,502 2,303 800 1,225 Q 163 Q Q 20.3

Census Region

 Northeast ........................................ 13,400 12,858 1,768 6,049 3,202 1,467 158 Q 15.6

 Midwest .......................................... 17,280 16,303 2,169 11,468 427 1,846 287 Q 14.3

 South .............................................. 24,577 21,659 8,529 10,660 738 903 571 122 13.7

 West ............................................... 12,619 11,176 3,036 6,984 Q 798 Q Q 13.8

Energy Sources (more than one

may apply)

 Electricity ........................................ 66,549 61,971 15,502 35,161 4,415 4,999 1,101 246 8.7

 Natural Gas .................................... 45,097 44,624 5,272 35,161 1,271 2,547 Q Q 9.0

 Fuel Oil ........................................... 13,218 12,933 2,482 4,695 4,415 1,097 Q Q 12.3

 District Heat .................................... 5,339 5,324 Q 233 Q 5,014 Q Q 22.1

 District Chilled Water ...................... 2,066 2,063 136 Q Q 1,590 Q Q 26.1

 Propane .......................................... 3,393 3,340 791 675 664 Q 1,101 Q 22.2

 Any Other ....................................... 1,551 1,522 Q 302 Q Q Q 257 27.5

Energy End Uses (more than one

may apply)

 Heated Buildings ............................ 61,996 61,996 15,502 35,161 4,415 5,014 1,101 257 8.8

 Air-Conditioned Buildings ............... 57,041 56,073 14,511 32,138 3,539 4,484 816 Q 9.0

 Buildings with Water Heating ......... 58,479 57,708 14,200 33,406 3,911 4,856 702 Q 8.8

 Buildings with Cooking ................... 23,065 22,736 5,738 12,913 1,704 2,040 166 Q 13.5

 Buildings with Manufacturing ......... 3,174 3,121 425 2,002 198 415 Q Q 26.4

See footnotes at end of table.

Energy Information Administration/Commercial Buildings Characteristrics 1992 163
Table A39. Primary Space-Heating Energy Sources, Floorspace, 1992 (Continued)

 (Million Square Feet)

Building

Characteristics

 RSE Column Factor:

Total

Floorspace

All

Buildings

Total

Floorspace

of All

Heated

Buildings

Primary Space-Heating Energy Sources Used

RSE

Row

Factor

Electricity

Natural

Gas

Fuel

Oil

District

Heat Propane Wood

0.5 0.5 1.0 0.7 1.3 1.4 1.9 1.7

Climate Zone: 45-Year Average

 Fewer than 2,000 CDD and --

 More than 7,000 HDD ............... 5,623 5,218 641 3,010 862 496 Q Q 25.7

 5,500-7,000 HDD ...................... 18,024 17,196 2,305 11,371 1,360 1,842 184 Q 16.5

 4,000-5,499 HDD ...................... 16,162 14,966 2,955 7,599 1,984 1,572 319 Q 17.4

 Fewer than 4,000 HDD ............. 15,251 13,537 3,656 8,790 Q 550 Q Q 21.5

 More than 2,000 CDD and --

 Fewer than 4,000 HDD ............. 12,816 11,079 5,945 4,391 Q 554 Q Q 20.8

Predominant Exterior Wall

Materials

 Masonry ......................................... 48,585 45,520 10,902 26,557 3,505 3,509 431 Q 9.8

 Siding or Shingles .......................... 3,873 3,303 822 1,588 475 Q 283 Q 15.0

 Metal Panels .................................. 7,392 5,682 1,657 2,930 271 330 374 Q 17.7

 Concrete Panels ............................. 4,961 4,663 1,219 2,749 Q 669 Q Q 24.3

 Window Glass ................................ 2,028 1,839 636 749 Q Q Q Q 27.8

 Other .............................................. 1,037 988 266 589 Q Q Q Q 43.2

Predominant Roof Materials

 Built-Up .......................................... 30,257 28,271 7,599 16,326 1,396 2,307 170 Q 12.3

 Shingles (Not Wood) ...................... 10,570 9,764 2,100 5,601 1,181 453 305 Q 14.7

 Metal Surfacing .............................. 9,019 7,121 2,169 3,618 352 305 535 Q 15.6

 Synthetic or Rubber ....................... 11,702 11,541 1,837 7,176 1,143 1,290 Q Q 15.0

 Slate or Tile .................................... 1,998 1,863 271 999 175 400 Q Q 25.2

 Concrete ......................................... 2,544 1,741 931 Q Q Q Q Q 44.8

 Other .............................................. 1,786 1,695 595 906 Q Q Q Q 26.3

Percent Window Glass

 25 or Less ...................................... 51,356 45,868 11,594 26,374 3,239 2,893 1,045 232 10.1

 26 to 50 .......................................... 11,815 11,493 2,513 6,695 853 1,309 Q Q 13.5

 51 to 75 .......................................... 3,206 3,185 837 1,673 202 462 Q Q 20.6

 76 to 100 ........................................ 1,499 1,450 558 419 Q Q Q Q 32.1

Workers (main shift)

 Less than 5 ..................................... 17,944 13,604 4,410 6,727 1,227 409 562 193 17.6

 5 to 9 .............................................. 7,524 7,075 1,869 3,950 552 313 344 Q 14.0

 10 to 19 .......................................... 8,077 7,528 1,920 4,504 425 478 Q Q 13.3

 20 to 49 .......................................... 10,556 10,440 2,151 7,024 603 503 Q Q 12.2

 50 to 99 .......................................... 7,763 7,652 1,569 4,514 528 719 Q Q 18.1

 100 to 249 ...................................... 7,378 7,323 1,471 4,742 438 672 Q Q 19.9

 250 or More .................................... 8,633 8,374 2,113 3,700 642 1,919 Q Q 19.6

Weekly Operating Hours

 39 or Fewer .................................... 8,246 6,000 1,006 3,373 895 347 298 Q 17.2

 40 to 48 .......................................... 14,998 13,745 3,426 8,127 1,112 781 151 Q 11.8

 49 to 60 .......................................... 14,046 13,251 3,002 8,088 729 952 302 Q 11.6

 61 to 84 .......................................... 12,062 11,529 3,065 6,718 628 683 197 Q 15.4

 85 to 167 ........................................ 8,467 8,141 1,649 5,039 737 451 Q Q 18.6

 Open Continuously ......................... 10,057 9,329 3,354 3,816 314 1,800 Q Q 22.7

Replacement Energy Source for

Primary Heating

 Electricity Only ............................... 2,559 2,559 Q 2,099 Q Q 209 Q 18.1

 Natural Gas Only ............................ 2,260 2,260 952 Q 702 Q Q Q 20.9

 Fuel Oil Only .................................. 5,451 5,451 193 4,599 Q 524 Q Q 23.1

 Propane Only ................................. 2,174 2,174 259 1,477 257 Q Q Q 21.6

 Any Other Single Energy Source

 Source ............................................ 477 477 Q 231 Q Q Q Q 52.9

 More than One Energy Source ...... 895 895 Q 581 Q Q Q Q 34.8

Percent of Floorspace Heated

 Not Heated ..................................... 6,211 330 Q Q Q Q Q Q 36.8

 1 to 50 ............................................ 11,195 11,195 4,044 5,783 495 381 302 Q 18.5

 51 to 99 .......................................... 10,211 10,211 2,406 6,064 815 725 160 Q 14.9

 100 ................................................. 40,260 40,260 8,980 23,226 3,072 3,890 610 Q 9.9

See footnotes at end of table.

164 Energy Information Administration/Commercial Buildings Characteristrics 1992
Table A39. Primary Space-Heating Energy Sources, Floorspace, 1992 (Continued)

 (Million Square Feet)

Building

Characteristics

 RSE Column Factor:

Total

Floorspace

All

Buildings

Total

Floorspace

of All

Heated

Buildings

Primary Space-Heating Energy Sources Used

RSE

Row

Factor

Electricity

Natural

Gas

Fuel

Oil

District

Heat Propane Wood

0.5 0.5 1.0 0.7 1.3 1.4 1.9 1.7

Heating Equipment (more than

one may apply)

 Heat Pumps ................................... 8,269 8,269 4,723 2,541 275 376 Q Q 16.6

 Furnaces ........................................ 16,909 16,909 2,201 12,649 1,292 Q 406 Q 10.3

 Individual Space Heaters ............... 22,380 22,380 6,528 12,523 1,266 1,074 679 188 11.0

 District Heat .................................... 5,225 5,225 Q Q Q 4,996 Q Q 15.8

 Boilers ............................................ 20,664 20,664 2,371 14,727 3,131 Q Q Q 15.3

 Packaged Heating Units ................. 16,000 16,000 4,591 10,609 Q 271 Q Q 12.2

 Other .............................................. 903 903 363 474 Q Q Q Q 36.1

Heating Distribution Equipment

(more than one may apply)

 Radiators or Baseboards ............... 13,263 13,263 347 7,640 2,355 2,589 Q Q 13.7

 Ducts for Heating ........................... 45,422 45,422 11,596 27,302 2,539 3,042 637 Q 9.2

 Heating Only ............................. 5,950 5,950 627 3,877 1,041 206 125 Q 21.5

 Heating and Cooling .................. 39,472 39,472 10,969 23,425 1,497 2,837 512 Q 9.8

 Variable Air-Volume

 System ...................................... 11,528 11,528 2,973 6,500 365 1,659 Q Q 21.8

 Fan Coil Units for Heating .............. 5,474 5,474 345 3,385 420 1,311 Q Q 19.1

 Heating Only ............................. 3,569 3,569 301 2,307 264 683 Q Q 23.4

 Heating and Cooling .................. 1,906 1,906 Q 1,078 Q 628 Q Q 24.2

 Individual Space Heaters ............... 22,380 22,380 6,528 12,523 1,266 1,074 679 188 11.0

 Other .............................................. 3,310 3,310 572 2,235 218 216 Q Q 25.8

Q = Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.

Notes: • To obtain a RSE percentage for any table cell, multiply the cell’s corresponding RSE column and RSE row factors. • See Glossary for explanation of

abbreviations and definitions of terms used in this report.

Source: Energy Information Administration, Office of Energy Marketsand End Use, Form EIA-871A, "Building Questionnaire," 1992 Commercial Buildings Energy

Consumption Survey.

Energy Information Administration/Commercial Buildings Characteristrics 1992 165
Table A40. Cooling Energy Sources, Number of Buildings and Floorspace, 

 1992

Building

Characteristics

 RSE Column Factor:

Number of Buildings

(thousand)

Total Floorspace

(million square feet)

RSE

Row

Factor

All

Buildings

All

Cooled

Buildings

Cooling Energy Sources

(more than one may apply)

All

Buildings

All

Cooled

Buildings

Cooling Energy Sources

(more than one may apply)

ElectricityNatural

Gas

District

Chilled

Water

ElectricityNatural

Gas

District

Chilled

Water

0.5 0.6 0.6 1.9 2.4 0.6 0.6 0.7 2.2 2.1

All Buildings ................................... 4,806 3,502 3,404 106 28 67,876 57,041 54,628 1,906 2,066 6.4

Building Floorspace (square feet)

 1,001 to 5,000 ................................ 2,681 1,792 1,748 47 Q 7,327 4,994 4,853 146 Q 9.0

 5,001 to 10,000 .............................. 975 758 739 26 Q 7,199 5,601 5,452 194 Q 7.5

 10,001 to 25,000 ............................ 647 519 504 19 8 10,375 8,364 8,132 268 115 10.5

 25,001 to 50,000 ............................ 280 236 225 Q 9 10,069 8,435 8,043 Q 311 12.1

 50,001 to 100,000 .......................... 116 103 100 Q Q 8,062 7,185 6,970 Q Q 11.7

 100,001 to 200,000 ........................ 71 59 58 Q 2 9,678 8,072 7,898 Q 252 13.3

 200,001 to 500,000 ........................ 26 24 22 1 2 7,889 7,217 6,536 Q 737 17.4

 Over 500,000 ................................. 9 9 9 Q 1 7,278 7,174 6,744 Q 515 30.9

Principal Building Activity

 Education ....................................... 301 251 238 10 9 8,470 7,389 6,912 487 253 14.2

 Food Sales ..................................... 130 119 119 Q Q 757 725 725 Q Q 24.7

 Food Service ................................. 260 244 237 Q Q 1,491 1,449 1,365 Q Q 14.8

 Health Care .................................... 63 59 53 Q Q 1,763 1,747 1,605 Q 227 21.0

 Lodging .......................................... 154 120 117 Q Q 2,891 2,493 2,310 Q Q 21.3

 Mercantile and Service ................... 1,272 942 920 29 Q 12,402 10,874 10,669 286 Q 11.2

 Office .............................................. 749 731 704 26 8 12,319 12,198 11,576 285 659 10.2

 Parking Garage .............................. 24 12 12 Q Q 1,652 922 800 Q Q 53.3

 Public Assembly ............................. 278 208 202 Q Q 4,556 4,077 3,966 Q Q 23.4

 Public Order and Safety ................. 60 47 46 Q Q 820 741 726 Q Q 36.5

 Religious Worship .......................... 366 286 285 Q Q 3,747 3,121 3,090 Q Q 19.3

 Warehouse and Storage ................ 761 324 318 Q Q 11,484 7,885 7,783 Q Q 14.3

 Other .............................................. 69 44 42 Q Q 1,130 1,040 915 Q Q 26.4

 Vacant ............................................ 319 114 111 Q Q 4,396 2,382 2,187 Q Q 21.4

Year Constructed

 1899 or Before ............................... 169 119 118 Q Q 1,721 1,307 1,289 Q Q 22.6

 1900 to 1919 .................................. 255 169 164 Q Q 3,608 2,759 2,691 Q Q 22.6

 1920 to 1945 .................................. 724 491 481 Q Q 8,712 6,586 6,308 Q Q 14.2

 1946 to 1959 .................................. 880 643 625 17 7 10,421 8,260 7,934 327 241 12.4

 1960 to 1969 .................................. 783 563 548 20 5 12,612 10,601 10,231 428 376 12.5

 1970 to 1979 .................................. 982 741 721 23 5 14,014 12,286 11,375 423 632 11.5

 1980 to 1989 .................................. 884 682 662 21 Q 14,287 12,985 12,692 418 243 13.7

 1990 to 1992 .................................. 128 93 86 Q Q 2,502 2,258 2,109 Q 164 20.0

Census Region

 Northeast ........................................ 771 521 505 20 2 13,400 11,158 10,729 320 302 12.9

 Midwest .......................................... 1,202 784 751 35 7 17,280 14,383 13,544 512 684 12.7

 South .............................................. 1,963 1,569 1,552 18 10 24,577 21,205 20,609 420 659 11.3

 West ............................................... 870 627 596 34 9 12,619 10,296 9,747 654 421 13.0

Energy Sources (more than one

may apply)

 Electricity ........................................ 4,616 3,502 3,404 106 28 66,549 57,041 54,628 1,906 2,066 6.4

 Natural Gas .................................... 2,665 2,263 2,176 106 15 45,097 41,423 39,652 1,906 1,109 7.7

 Fuel Oil ........................................... 559 378 375 3 2 13,218 12,081 11,480 439 588 14.3

 District Heat .................................... 95 82 66 Q 24 5,339 4,786 3,484 Q 1,737 15.9

 District Chilled Water ...................... 28 28 11 Q 28 2,066 2,066 842 Q 2,066 22.9

 Propane .......................................... 337 230 228 Q Q 3,393 2,837 2,789 Q Q 21.7

 Any Other ....................................... 163 71 70 Q Q 1,551 1,117 1,107 Q Q 31.3

See footnotes at end of table.

166 Energy Information Administration/Commercial Buildings Characteristrics 1992
Table A40. Cooling Energy Sources, Number of Buildings and Floorspace, 

 1992 (Continued)

Building

Characteristics

 RSE Column Factor:

Number of Buildings

(thousand)

Total Floorspace

(million square feet)

RSE

Row

Factor

All

Buildings

All

Cooled

Buildings

Cooling Energy Sources

(more than one may apply)

All

Buildings

All

Cooled

Buildings

Cooling Energy Sources

(more than one may apply)

ElectricityNatural

Gas

District

Chilled

Water

ElectricityNatural

Gas

District

Chilled

Water

0.5 0.6 0.6 1.9 2.4 0.6 0.6 0.7 2.2 2.1

Energy End Uses (more than one

may apply)

 Heated Buildings ............................ 4,178 3,439 3,342 106 28 61,996 56,073 53,663 1,906 2,063 6.5

 Air-Conditioned Buildings ............... 3,502 3,502 3,404 106 28 57,041 57,041 54,628 1,906 2,066 6.5

 Buildings with Water

 Heating .......................................... 3,502 3,016 2,929 100 22 58,479 53,839 51,535 1,886 1,978 6.8

 Buildings with Cooking ................... 734 663 644 25 8 23,065 22,003 20,974 912 920 10.8

 Buildings with

 Manufacturing ............................... 121 92 89 Q Q 3,174 2,870 2,808 Q Q 23.8

Climate Zone: 45-Year Average

 Fewer than 2,000 CDD and --

 More than 7,000 HDD .................. 399 229 221 Q Q 5,623 4,267 3,970 Q Q 25.6

 5,500-7,000 HDD ......................... 1,134 766 731 43 5 18,024 14,977 14,369 545 574 14.3

 4,000-5,499 HDD ......................... 1,077 753 735 20 4 16,162 13,549 12,854 324 526 18.7

 Fewer than 4,000 HDD ................ 1,101 838 811 29 10 15,251 12,870 12,441 569 437 19.8

 More than 2,000 CDD and --

 Fewer than 4,000 HDD ................ 1,095 915 906 Q 9 12,816 11,379 10,994 Q 467 18.0

Predominant Exterior Wall

Material

 Masonry ......................................... 3,115 2,491 2,418 76 25 48,585 42,084 40,311 1,232 1,630 7.2

 Siding or Shingles .......................... 764 473 462 Q Q 3,873 2,625 2,552 Q Q 13.0

 Metal Panels .................................. 745 394 384 Q Q 7,392 4,854 4,727 Q Q 14.5

 Concrete Panels ............................. 87 71 68 Q 2 4,961 4,563 4,237 Q 221 19.4

 Window Glass ................................ 46 38 38 Q Q 2,028 1,978 1,893 Q Q 28.4

 Other .............................................. 47 35 35 Q Q 1,037 938 908 Q Q 38.0

Predominant Roof Material

 Built-Up .......................................... 1,642 1,319 1,290 39 11 30,257 26,404 25,503 910 969 8.5

 Shingles (Not Wood) ...................... 1,381 1,025 999 28 Q 10,570 8,606 8,420 293 Q 11.3

 Metal Surfacing .............................. 1,037 576 559 21 Q 9,019 6,077 5,886 171 Q 13.1

 Synthetic or Rubber ....................... 386 318 306 11 6 11,702 10,893 10,130 423 626 13.2

 Slate or Tile .................................... 155 113 107 Q Q 1,998 1,608 1,470 Q Q 21.4

 Concrete ......................................... 37 27 23 Q Q 2,544 1,909 1,727 Q Q 46.5

 Other .............................................. 167 124 122 Q Q 1,786 1,544 1,493 Q Q 23.0

Percent Window Glass

 25 or Less ...................................... 4,193 2,987 2,904 91 21 51,356 41,691 39,873 1,403 1,317 7.2

 26 to 50 .......................................... 490 410 401 10 6 11,815 10,873 10,449 361 503 12.7

 51 to 75 .......................................... 94 80 77 Q Q 3,206 3,031 2,938 Q Q 19.7

 76 to 100 ........................................ 29 25 23 Q Q 1,499 1,447 1,368 Q Q 32.1

Workers (main shift)

 Less than 5 ..................................... 2,718 1,623 1,591 34 Q 17,944 10,719 10,315 213 Q 13.4

 5 to 9 .............................................. 895 781 753 30 Q 7,524 6,249 6,065 188 Q 8.9

 10 to 19 .......................................... 561 502 487 Q 10 8,077 6,954 6,760 Q 193 11.8

 20 to 49 .......................................... 405 384 373 17 5 10,556 9,990 9,758 330 191 11.4

 50 to 99 .......................................... 130 118 112 Q 3 7,763 7,313 6,855 Q 327 15.4

 100 to 249 ...................................... 64 63 60 Q 2 7,378 7,195 6,839 Q 192 15.3

 250 or More .................................... 31 31 29 1 3 8,633 8,621 8,035 197 868 14.0

See footnotes at end of table.

Energy Information Administration/Commercial Buildings Characteristrics 1992 167
Table A40. Cooling Energy Sources, Number of Buildings and Floorspace, 

 1992 (Continued)

Building

Characteristics

 RSE Column Factor:

Number of Buildings

(thousand)

Total Floorspace

(million square feet)

RSE

Row

Factor

All

Buildings

All

Cooled

Buildings

Cooling Energy Sources

(more than one may apply)

All

Buildings

All

Cooled

Buildings

Cooling Energy Sources

(more than one may apply)

ElectricityNatural

Gas

District

Chilled

Water

ElectricityNatural

Gas

District

Chilled

Water

0.5 0.6 0.6 1.9 2.4 0.6 0.6 0.7 2.2 2.1

Weekly Operating Hours

 39 or Fewer .................................... 1,039 513 505 Q Q 8,246 4,632 4,401 Q Q 14.1

 40 to 48 .......................................... 1,278 1,007 978 34 8 14,998 12,558 12,148 303 312 9.6

 49 to 60 .......................................... 1,004 786 764 20 4 14,046 12,218 11,675 359 357 11.0

 61 to 84 .......................................... 645 528 514 20 4 12,062 11,158 10,906 496 178 11.7

 85 to 167 ........................................ 478 405 388 19 Q 8,467 7,742 7,292 338 278 14.9

 Open Continuously ......................... 362 262 255 6 5 10,057 8,733 8,207 372 724 16.0

Primary Space-Heating Energy

Source

 Electricity ........................................ 1,107 1,005 1,000 Q 2 15,502 14,511 14,385 Q 136 13.1

 Natural Gas .................................... 2,276 1,933 1,859 98 Q 35,161 32,138 31,178 1,687 Q 7.7

 Fuel Oil ........................................... 394 247 246 Q Q 4,415 3,539 3,465 Q Q 21.3

 District Heat .................................... 91 78 63 Q 23 5,014 4,484 3,263 Q 1,590 16.6

 Propane .......................................... 217 144 142 Q Q 1,101 816 786 Q Q 32.2

 Wood .............................................. 68 Q Q Q Q 257 Q Q Q Q 35.2

 Any Other ....................................... Q Q Q Q Q 546 Q Q Q Q 74.9

Water-Heating Energy Sources

(more than one may apply)

 Electricity ........................................ 1,696 1,479 1,455 32 8 25,482 23,657 23,275 517 342 10.3

 Natural Gas .................................... 1,647 1,436 1,376 71 8 29,962 27,766 26,681 1,391 494 9.4

 Fuel Oil ........................................... 126 88 88 Q Q 2,470 2,089 2,015 Q Q 28.3

 District Heat .................................... 38 30 22 Q 10 3,308 2,972 2,158 Q 1,108 21.2

 Propane .......................................... 80 57 57 Q Q 659 563 563 Q Q 37.3

Cooking Energy Sources

(more than one may apply)

 Electricity ........................................ 356 326 317 9 4 12,183 11,792 11,353 244 546 16.7

 Natural Gas .................................... 431 392 374 23 6 15,233 14,533 13,760 844 478 11.7

 Propane .......................................... 70 61 60 Q Q 1,039 944 941 Q Q 32.9

Percent of Floorspace Cooled

 Not Cooled ..................................... 1,304 Q Q Q Q 10,835 Q Q Q Q 11.3

 1 to 50 ............................................ 1,176 1,176 1,154 31 Q 21,715 21,715 21,068 456 Q 8.9

 51 to 99 .......................................... 658 658 643 17 6 13,872 13,872 13,370 380 702 11.6

 100 ................................................. 1,668 1,668 1,608 59 20 21,454 21,454 20,191 1,070 988 9.3

Cooling Equipment (more than

one may apply)

 Residential-Type Central

 Air Conditioners ............................. 816 816 783 48 Q 9,021 9,021 8,761 465 Q 11.5

 Heat Pumps ................................... 454 454 449 8 Q 8,406 8,406 8,388 175 Q 15.0

 Individual Air

 Conditioners .................................. 1,023 1,023 1,015 16 2 17,979 17,979 17,734 420 225 13.4

 District Chilled Water ...................... 28 28 11 Q 28 2,066 2,066 842 Q 2,066 22.9

 Central Chillers ............................... 142 142 137 8 Q 12,991 12,991 12,500 783 Q 15.4

 Packaged Air-Conditioning

 Units .............................................. 1,459 1,459 1,419 52 3 27,830 27,830 26,928 1,047 628 9.7

 Swamp Coolers .............................. 179 179 178 Q Q 2,085 2,085 2,063 Q Q 32.7

 Other .............................................. 8 8 7 Q Q 268 268 255 Q Q 69.3

See footnotes at end of table.

168 Energy Information Administration/Commercial Buildings Characteristrics 1992
Table A40. Cooling Energy Sources, Number of Buildings and Floorspace, 

 1992 (Continued)

Building

Characteristics

 RSE Column Factor:

Number of Buildings

(thousand)

Total Floorspace

(million square feet)

RSE

Row

Factor

All

Buildings

All

Cooled

Buildings

Cooling Energy Sources

(more than one may apply)

All

Buildings

All

Cooled

Buildings

Cooling Energy Sources

(more than one may apply)

ElectricityNatural

Gas

District

Chilled

Water

ElectricityNatural

Gas

District

Chilled

Water

0.5 0.6 0.6 1.9 2.4 0.6 0.6 0.7 2.2 2.1

Cooling Distribution Equipment

(more than one may apply)

 Ducts for Cooling ............................ 2,733 2,733 2,638 105 25 47,755 47,755 45,601 1,824 1,785 6.9

 Cooling Only ................................. 355 355 352 Q 5 8,283 8,283 7,949 Q 389 14.7

 Heating and Cooling ..................... 2,378 2,378 2,287 101 21 39,472 39,472 37,652 1,706 1,396 7.0

 Variable Air-Volume

 System Used ............................... 221 221 200 16 12 12,430 12,430 11,589 605 904 14.3

 Fan Coil Units for Cooling .............. 56 56 52 Q 5 3,875 3,875 3,334 Q 767 20.5

 Cooling Only ................................. 35 35 34 Q Q 1,969 1,969 1,772 Q Q 36.7

 Heating and Cooling ..................... 21 21 18 Q 3 1,906 1,906 1,562 Q 459 23.0

 Individual Air

 Conditioners ................................... 1,023 1,023 1,015 16 2 17,979 17,979 17,734 420 225 13.4

 Other .............................................. 111 111 111 Q Q 2,919 2,919 2,757 Q Q 27.3

Q = Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.

Notes: • To obtain a RSE percentage for any table cell, multiply the cell’s corresponding RSE column and RSE row factors. • See Glossary for explanation of

abbreviations and definitions of terms used in this report.

Source: Energy Information Administration, Office of Energy Marketsand End Use, Form EIA-871A, "Building Questionnaire," 1992 Commercial Buildings Energy

Consumption Survey.

Energy Information Administration/Commercial Buildings Characteristrics 1992 169
Table A41. Water-Heating Energy Sources, Number of Buildings, 1992

 (Thousand)

Building

Characteristics

 RSE Column Factor:

All

Buildings

All

Buildings

with

Water

Heating

Water-Heating Energy Sources Used

(more than one may apply)

RSE

Row

Factor

Electricity

Natural

Gas Fuel Oil

District

Heat Propane

0.5 0.5 0.7 0.7 2.0 1.8 2.2

All Buildings ................................... 4,806 3,502 1,696 1,647 126 38 80 7.8

Building Floorspace (square feet)

 1,001 to 5,000 ................................ 2,681 1,733 878 777 48 Q 50 10.8

 5,001 to 10,000 .............................. 975 787 390 348 43 Q Q 9.4

 10,001 to 25,000 ............................ 647 539 252 276 13 8 Q 11.9

 25,001 to 50,000 ............................ 280 240 99 129 12 8 Q 14.3

 50,001 to 100,000 .......................... 116 108 41 62 Q 6 Q 13.6

 100,001 to 200,000 ........................ 71 62 22 37 Q 5 Q 16.7

 200,001 to 500,000 ........................ 26 25 10 13 1 4 Q 17.8

 Over 500,000 ................................. 9 9 5 3 Q 1 Q 37.1

Principal Building Activity

 Education ....................................... 301 230 96 126 10 6 Q 15.4

 Food Sales ..................................... 130 124 70 53 Q Q Q 26.0

 Food Service ................................. 260 259 72 165 Q Q Q 15.6

 Health Care .................................... 63 62 17 39 Q 2 Q 28.5

 Lodging .......................................... 154 152 44 91 Q 6 Q 20.5

 Mercantile and Service ................... 1,272 923 476 402 46 Q Q 10.9

 Office .............................................. 749 705 372 304 28 10 Q 11.2

 Parking Garage .............................. 24 13 6 Q Q Q Q 55.4

 Public Assembly ............................. 278 235 101 114 Q 5 Q 16.4

 Public Order and Safety ................. 60 58 19 33 Q Q Q 35.2

 Religious Worship .......................... 366 265 146 123 Q Q Q 17.2

 Warehouse and Storage ................ 761 311 182 124 Q Q Q 15.2

 Other .............................................. 69 43 25 17 Q Q Q 31.6

 Vacant ............................................ 319 121 71 50 Q Q Q 20.2

Year Constructed

 1899 or Before ............................... 169 126 57 62 Q Q Q 25.4

 1900 to 1919 .................................. 255 202 83 107 18 4 Q 21.8

 1920 to 1945 .................................. 724 507 197 268 36 5 Q 14.1

 1946 to 1959 .................................. 880 638 266 340 18 7 Q 12.7

 1960 to 1969 .................................. 783 580 252 299 18 11 Q 12.9

 1970 to 1979 .................................. 982 721 393 306 21 6 Q 12.2

 1980 to 1989 .................................. 884 649 413 228 Q 4 Q 12.0

 1990 to 1992 .................................. 128 79 37 37 Q Q Q 28.9

Census Region

 Northeast ........................................ 771 625 249 258 113 9 19 13.1

 Midwest .......................................... 1,202 906 369 525 Q 13 Q 15.3

 South .............................................. 1,963 1,307 811 476 10 9 23 13.3

 West ............................................... 870 664 267 387 Q 6 Q 18.0

Energy Sources (more than one

may apply)

 Electricity ........................................ 4,616 3,502 1,696 1,647 126 38 80 7.8

 Natural Gas .................................... 2,665 2,333 729 1,647 21 13 Q 10.0

 Fuel Oil ........................................... 559 435 234 78 126 5 Q 16.0

 District Heat .................................... 95 82 30 18 Q 38 Q 20.5

 District Chilled Water ...................... 28 22 8 8 Q 10 Q 33.2

 Propane .......................................... 337 244 146 10 13 Q 80 21.9

 Any Other ....................................... 163 96 58 26 Q Q Q 27.6

Energy End Uses (more than one

may apply)

 Heated Buildings ............................ 4,178 3,436 1,660 1,621 124 38 76 7.8

 Air-Conditioned Buildings ............... 3,502 3,016 1,479 1,436 88 30 57 8.0

 Buildings with Water Heating ......... 3,502 3,502 1,696 1,647 126 38 80 7.8

 Buildings with Cooking ................... 734 728 264 425 26 12 30 11.6

 Buildings with Manufacturing ......... 121 102 62 38 Q Q Q 27.0

See footnotes at end of table.

170 Energy Information Administration/Commercial Buildings Characteristrics 1992
Table A41. Water-Heating Energy Sources, Number of Buildings, 1992 (Continued)

 (Thousand)

Building

Characteristics

 RSE Column Factor:

All

Buildings

All

Buildings

with

Water

Heating

Water-Heating Energy Sources Used

(more than one may apply)

RSE

Row

Factor

Electricity

Natural

Gas Fuel Oil

District

Heat Propane

0.5 0.5 0.7 0.7 2.0 1.8 2.2

Workers (main shift)

 Less than 5 ..................................... 2,718 1,609 825 700 52 5 45 11.9

 5 to 9 .............................................. 895 777 371 366 33 6 Q 12.0

 10 to 19 .......................................... 561 512 250 245 16 5 Q 14.0

 20 to 49 .......................................... 405 384 156 224 12 9 Q 11.2

 50 to 99 .......................................... 130 126 53 67 7 6 Q 15.7

 100 to 249 ...................................... 64 62 30 30 3 2 Q 15.3

 250 or More .................................... 31 31 12 14 2 5 Q 18.2

Weekly Operating Hours

 39 or Fewer .................................... 1,039 507 258 227 17 Q Q 14.2

 40 to 48 .......................................... 1,278 979 513 432 29 11 Q 11.5

 49 to 60 .......................................... 1,004 764 380 354 38 7 Q 10.8

 61 to 84 .......................................... 645 518 239 253 24 3 Q 10.8

 85 to 167 ........................................ 478 435 190 221 11 5 Q 16.5

 Open Continuously ......................... 362 300 117 160 7 10 Q 15.7

Primary Space-Heating Energy

Source

 Electricity ........................................ 1,107 921 724 190 Q Q 15 12.2

 Natural Gas .................................... 2,276 1,972 633 1,386 Q Q Q 9.7

 Fuel Oil ........................................... 394 292 160 20 109 Q Q 20.8

 District Heat .................................... 91 78 28 18 Q 36 Q 21.2

 Propane .......................................... 217 131 84 Q Q Q 49 26.1

 Wood .............................................. 68 Q Q Q Q Q Q 44.8

 Any Other ....................................... Q Q Q Q Q Q Q NF

Cooking Energy Sources (more

than one may apply)

 Electricity ........................................ 356 353 182 153 13 8 Q 15.4

 Natural Gas .................................... 431 427 79 361 5 6 Q 14.8

 Propane .......................................... 70 70 33 Q 11 Q 27 23.4

Water-Heating Equipment (more

than one may apply)

 Centralized System ........................ 1,994 1,994 891 961 105 31 52 11.6

 Self-Heating Tank ........................ 1,799 1,799 851 869 56 15 48 14.0

 Heated by Space-Heating

 Equipment .................................... 103 103 17 42 37 7 Q 24.9

 Other ............................................ 106 106 30 55 15 12 Q 22.8

 Distributed System ......................... 1,557 1,557 822 719 21 7 31 13.0

 Residential-Type Storage

 Tank ............................................. 1,489 1,489 792 687 18 Q 31 12.6

 Point-of-Use ................................. 56 56 28 26 Q 1 Q 26.6

 Other ............................................ 24 24 7 15 Q 3 Q 29.3

NF = No applicable RSE row factor.

Q = Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.

Notes: • To obtain a RSE percentage for any table cell, multiply the cell’s corresponding RSE column and RSE row factors. • See Glossary for explanation of

abbreviations and definitions of terms used in this report.

Source: Energy Information Administration, Office of Energy Marketsand End Use, Form EIA-871A, "Building Questionnaire," 1992 Commercial Buildings Energy

Consumption Survey.

Energy Information Administration/Commercial Buildings Characteristrics 1992 171
Table A42. Water-Heating Energy Sources, Floorspace, 1992

 (Million Square Feet)

Building

Characteristics

 RSE Column Factor:

All

Buildings

All

Buildings

with

Water

Heating

Water-Heating Energy Sources Used

(more than one may apply)

RSE

Row

Factor

Electricity

Natural

Gas Fuel Oil

District

Heat Propane

0.5 0.6 0.8 0.7 1.8 1.5 2.3

All Buildings ................................... 67,876 58,479 25,482 29,962 2,470 3,308 659 8.2

Building Floorspace (square feet)

 1,001 to 5,000 ................................ 7,327 4,928 2,483 2,248 151 Q 128 10.5

 5,001 to 10,000 .............................. 7,199 5,834 2,869 2,601 325 Q Q 9.1

 10,001 to 25,000 ............................ 10,375 8,724 4,121 4,528 194 137 Q 11.7

 25,001 to 50,000 ............................ 10,069 8,637 3,564 4,640 436 308 Q 14.8

 50,001 to 100,000 .......................... 8,062 7,489 2,837 4,332 Q 391 Q 13.3

 100,001 to 200,000 ........................ 9,678 8,492 2,900 5,209 Q 576 Q 15.9

 200,001 to 500,000 ........................ 7,889 7,466 2,974 3,718 316 1,151 Q 18.3

 Over 500,000 ................................. 7,278 6,910 3,734 2,685 Q 713 Q 30.5

Principal Building Activity

 Education ....................................... 8,470 8,036 2,002 5,514 798 390 Q 14.3

 Food Sales ..................................... 757 739 387 374 Q Q Q 28.6

 Food Service ................................. 1,491 1,490 386 906 Q Q Q 20.5

 Health Care .................................... 1,763 1,760 227 1,150 Q 314 Q 22.0

 Lodging .......................................... 2,891 2,869 398 1,938 Q 470 Q 22.5

 Mercantile and Service ................... 12,402 10,809 5,503 5,607 285 Q Q 14.6

 Office .............................................. 12,319 12,030 5,790 4,824 613 1,258 Q 13.6

 Parking Garage .............................. 1,652 933 530 Q Q Q Q 55.5

 Public Assembly ............................. 4,556 4,346 Q 1,802 Q 216 Q 30.8

 Public Order and Safety ................. 820 804 179 444 Q Q Q 39.6

 Religious Worship .......................... 3,747 3,384 1,637 1,935 Q Q Q 22.0

 Warehouse and Storage ................ 11,484 7,887 4,522 3,534 Q Q Q 17.4

 Other .............................................. 1,130 1,001 522 416 Q Q Q 27.5

 Vacant ............................................ 4,396 2,391 1,236 1,222 Q Q Q 31.8

Year Constructed

 1899 or Before ............................... 1,721 1,457 522 841 Q Q Q 26.5

 1900 to 1919 .................................. 3,608 3,126 1,182 1,933 351 175 Q 27.1

 1920 to 1945 .................................. 8,712 7,004 2,336 3,857 516 563 Q 18.6

 1946 to 1959 .................................. 10,421 8,784 3,220 5,129 359 376 Q 13.7

 1960 to 1969 .................................. 12,612 11,006 3,423 6,542 416 1,140 Q 15.7

 1970 to 1979 .................................. 14,014 12,369 5,946 5,733 458 664 Q 13.4

 1980 to 1989 .................................. 14,287 12,565 7,874 4,809 Q 267 Q 15.6

 1990 to 1992 .................................. 2,502 2,167 980 1,117 Q 67 Q 20.8

Census Region

 Northeast ........................................ 13,400 12,410 4,366 5,607 2,157 990 225 14.5

 Midwest .......................................... 17,280 15,460 5,643 9,161 Q 1,287 Q 12.7

 South .............................................. 24,577 19,592 11,302 8,476 169 449 198 14.1

 West ............................................... 12,619 11,017 4,171 6,717 Q 582 Q 13.7

Energy Sources (more than one

may apply)

 Electricity ........................................ 66,549 58,479 25,482 29,962 2,470 3,308 659 8.2

 Natural Gas .................................... 45,097 43,151 13,814 29,962 1,076 1,437 Q 8.7

 Fuel Oil ........................................... 13,218 12,605 5,329 5,179 2,470 784 Q 11.5

 District Heat .................................... 5,339 5,177 1,099 1,120 Q 3,308 Q 19.3

 District Chilled Water ...................... 2,066 1,978 342 494 Q 1,108 Q 29.6

 Propane .......................................... 3,393 2,961 1,538 550 467 Q 659 19.4

 Any Other ....................................... 1,551 1,287 456 582 Q Q Q 41.0

Energy End Uses (more than one

may apply)

 Heated Buildings ............................ 61,996 57,708 24,878 29,802 2,464 3,308 648 8.3

 Air-Conditioned Buildings ............... 57,041 53,839 23,657 27,766 2,089 2,972 563 8.5

 Buildings with Water Heating ......... 58,479 58,479 25,482 29,962 2,470 3,308 659 8.3

 Buildings with Cooking ................... 23,065 22,993 8,200 13,339 1,202 1,768 395 12.3

 Buildings with Manufacturing ......... 3,174 2,976 1,713 1,366 Q Q Q 24.2

See footnotes at end of table.

172 Energy Information Administration/Commercial Buildings Characteristrics 1992
Table A42. Water-Heating Energy Sources, Floorspace, 1992 (Continued)

 (Million Square Feet)

Building

Characteristics

 RSE Column Factor:

All

Buildings

All

Buildings

with

Water

Heating

Water-Heating Energy Sources Used

(more than one may apply)

RSE

Row

Factor

Electricity

Natural

Gas Fuel Oil

District

Heat Propane

0.5 0.6 0.8 0.7 1.8 1.5 2.3

Workers (main shift)

 Less than 5 ..................................... 17,944 11,207 6,032 4,748 273 86 199 18.7

 5 to 9 .............................................. 7,524 6,432 3,060 3,057 260 169 Q 14.2

 10 to 19 .......................................... 8,077 7,089 3,421 3,500 191 168 Q 15.7

 20 to 49 .......................................... 10,556 10,215 3,601 6,343 331 330 Q 12.6

 50 to 99 .......................................... 7,763 7,644 2,429 4,836 399 495 Q 17.0

 100 to 249 ...................................... 7,378 7,278 3,262 3,804 464 474 Q 18.8

 250 or More .................................... 8,633 8,613 3,677 3,674 551 1,586 Q 17.8

Weekly Operating Hours

 39 or Fewer .................................... 8,246 5,005 2,085 2,636 340 Q Q 16.8

 40 to 48 .......................................... 14,998 12,613 6,108 6,204 527 383 Q 11.4

 49 to 60 .......................................... 14,046 12,405 6,019 5,899 378 734 Q 11.6

 61 to 84 .......................................... 12,062 11,308 5,306 5,804 326 435 Q 15.9

 85 to 167 ........................................ 8,467 8,020 2,968 4,367 534 406 Q 19.3

 Open Continuously ......................... 10,057 9,128 2,996 5,051 363 1,316 Q 22.1

Primary Space-Heating Energy

Source

 Electricity ........................................ 15,502 14,200 11,365 3,039 Q Q 164 15.9

 Natural Gas .................................... 35,161 33,406 10,389 24,877 Q Q Q 8.8

 Fuel Oil ........................................... 4,415 3,911 1,504 522 2,116 Q Q 20.5

 District Heat .................................... 5,014 4,856 987 1,086 Q 3,118 Q 20.5

 Propane .......................................... 1,101 702 397 Q Q Q 307 25.3

 Wood .............................................. 257 Q Q Q Q Q Q 35.2

 Any Other ....................................... 546 506 Q Q Q Q Q 86.0

Cooking Energy Sources (more

than one may apply)

 Electricity ........................................ 12,183 12,151 5,725 5,862 512 1,192 Q 18.4

 Natural Gas .................................... 15,233 15,193 3,766 11,383 597 802 Q 13.6

 Propane .......................................... 1,039 1,039 505 Q 313 Q 291 28.6

Water-Heating Equipment (more

than one may apply)

 Centralized System ........................ 31,599 31,599 11,504 16,228 2,127 2,889 467 11.1

 Self-Heating Tank ........................ 24,464 24,464 10,388 12,906 1,062 915 425 13.6

 Heated by Space-Heating

 Equipment .................................... 3,722 3,722 514 1,706 984 841 Q 24.0

 Other ............................................ 4,032 4,032 773 2,130 257 1,170 Q 18.6

 Distributed System ......................... 29,502 29,502 15,671 14,816 397 528 245 12.8

 Residential-Type Storage

 Tank ............................................. 25,809 25,809 14,008 13,174 273 155 241 13.6

 Point-of-Use ................................. 3,367 3,367 Q 1,467 Q 138 Q 39.4

 Other ............................................ 1,259 1,259 439 757 Q 257 Q 31.2

Q = Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.

Notes: • To obtain a RSE percentage for any table cell, multiply the cell’s corresponding RSE column and RSE row factors. • See Glossary for explanation of

abbreviations and definitions of terms used in this report.

Source: Energy Information Administration, Office of Energy Marketsand End Use, Form EIA-871A, "Building Questionnaire," 1992 Commercial Buildings Energy

Consumption Survey.

Energy Information Administration/Commercial Buildings Characteristrics 1992 173
Table A43. Cooking Energy Sources, Number of Buildings and Floorspace, 

 1992

Building

Characteristics

 RSE Column Factor:

Number of Buildings

(thousand)

Total Floorspace

(million square feet)

RSE

Row

Factor

All

Buildings

All

Buildings

with

Cooking

Cooking Energy Sources

(more than one may apply)

All

Buildings

All

Buildings

with

Cooking

Cooking Energy Sources

(more than one may apply)

ElectricityNatural

Gas Propane

ElectricityNatural

Gas Propane

0.5 0.8 1.1 1.0 1.8 0.5 0.9 1.2 1.0 2.3

All Buildings ................................... 4,806 734 356 431 70 67,876 23,065 12,183 15,233 1,039 7.7

Building Floorspace (square feet)

 1,001 to 5,000 ................................ 2,681 320 158 175 35 7,327 903 440 498 98 10.2

 5,001 to 10,000 .............................. 975 137 75 70 Q 7,199 998 542 518 Q 11.1

 10,001 to 25,000 ............................ 647 114 45 75 Q 10,375 1,852 780 1,223 Q 11.3

 25,001 to 50,000 ............................ 280 70 25 50 Q 10,069 2,627 923 1,930 Q 15.0

 50,001 to 100,000 .......................... 116 44 25 27 Q 8,062 3,110 1,764 1,885 Q 12.4

 100,001 to 200,000 ........................ 71 29 16 18 Q 9,678 4,062 2,252 2,597 Q 14.9

 200,001 to 500,000 ........................ 26 15 8 11 Q 7,889 4,639 2,254 3,470 Q 15.6

 Over 500,000 ................................. 9 6 4 4 Q 7,278 4,874 3,227 3,111 Q 29.3

Principal Building Activity

 Education ....................................... 301 98 44 63 7 8,470 5,676 2,579 4,179 267 13.3

 Food Sales ..................................... 130 40 24 17 Q 757 350 230 226 Q 26.4

 Food Service ................................. 260 244 101 169 30 1,491 1,450 626 1,043 147 12.7

 Health Care .................................... 63 6 4 5 Q 1,763 1,289 631 1,013 Q 22.0

 Lodging .......................................... 154 38 15 29 Q 2,891 1,600 599 1,291 Q 22.7

 Mercantile and Service ................... 1,272 89 60 39 Q 12,402 3,806 2,395 2,797 Q 16.3

 Office .............................................. 749 30 15 14 Q 12,319 3,674 2,237 1,853 Q 14.0

 Parking Garage .............................. 24 Q Q Q Q 1,652 Q Q Q Q 48.8

 Public Assembly ............................. 278 82 41 41 Q 4,556 2,669 Q 1,114 Q 22.4

 Public Order and Safety ................. 60 Q Q Q Q 820 Q Q Q Q 40.5

 Religious Worship .......................... 366 68 34 32 Q 3,747 1,231 600 823 Q 23.9

 Warehouse and Storage ................ 761 13 Q Q Q 11,484 349 Q Q Q 22.9

 Other .............................................. 69 Q Q Q Q 1,130 Q Q Q Q 29.6

 Vacant ............................................ 319 18 Q 12 Q 4,396 507 Q Q Q 30.9

Year Constructed

 1899 or Before ............................... 169 41 18 24 Q 1,721 495 188 364 Q 22.2

 1900 to 1919 .................................. 255 42 13 29 Q 3,608 1,334 495 1,131 Q 23.9

 1920 to 1945 .................................. 724 101 41 64 Q 8,712 2,225 873 1,491 Q 14.6

 1946 to 1959 .................................. 880 134 59 85 Q 10,421 2,849 1,171 2,119 Q 12.1

 1960 to 1969 .................................. 783 120 58 70 14 12,612 4,920 2,734 3,477 298 16.0

 1970 to 1979 .................................. 982 154 81 84 12 14,014 5,071 2,427 3,502 253 13.8

 1980 to 1989 .................................. 884 122 72 69 Q 14,287 5,313 3,706 2,698 Q 15.1

 1990 to 1992 .................................. 128 21 14 7 Q 2,502 859 590 452 Q 23.6

Census Region

 Northeast ........................................ 771 142 68 73 28 13,400 5,740 2,963 3,891 510 14.2

 Midwest .......................................... 1,202 201 86 142 Q 17,280 5,800 2,832 4,395 Q 11.0

 South .............................................. 1,963 257 143 120 29 24,577 7,768 4,287 4,318 377 15.1

 West ............................................... 870 134 59 96 Q 12,619 3,757 2,101 2,628 Q 14.0

Energy Sources (more than one

may apply)

 Electricity ........................................ 4,616 734 356 431 70 66,549 23,065 12,183 15,233 1,039 7.7

 Natural Gas .................................... 2,665 532 204 431 Q 45,097 18,487 8,382 15,233 Q 7.9

 Fuel Oil ........................................... 559 101 61 35 28 13,218 7,452 4,092 4,913 570 13.3

 District Heat .................................... 95 19 10 12 Q 5,339 2,280 1,386 1,224 Q 19.5

 District Chilled Water ...................... 28 8 4 6 Q 2,066 920 546 478 Q 31.4

 Propane .......................................... 337 84 31 5 70 3,393 1,549 685 270 1,039 20.1

 Any Other ....................................... 163 13 10 Q Q 1,551 399 253 Q Q 28.5

See footnotes at end of table.

174 Energy Information Administration/Commercial Buildings Characteristrics 1992
Table A43. Cooking Energy Sources, Number of Buildings and Floorspace, 

 1992 (Continued)

Building

Characteristics

 RSE Column Factor:

Number of Buildings

(thousand)

Total Floorspace

(million square feet)

RSE

Row

Factor

All

Buildings

All

Buildings

with

Cooking

Cooking Energy Sources

(more than one may apply)

All

Buildings

All

Buildings

with

Cooking

Cooking Energy Sources

(more than one may apply)

ElectricityNatural

Gas Propane

ElectricityNatural

Gas Propane

0.5 0.8 1.1 1.0 1.8 0.5 0.9 1.2 1.0 2.3

Energy End Uses (more than one

may apply)

 Heated Buildings ............................ 4,178 715 344 425 66 61,996 22,736 12,124 14,987 1,000 7.7

 Air-Conditioned Buildings ............... 3,502 663 326 392 61 57,041 22,003 11,792 14,533 944 8.1

 Buildings with Water

 Heating .......................................... 3,502 728 353 427 70 58,479 22,993 12,151 15,193 1,039 7.8

 Buildings with Cooking ................... 734 734 356 431 70 23,065 23,065 12,183 15,233 1,039 8.5

 Buildings with

 Manufacturing ............................... 121 13 7 7 Q 3,174 528 281 309 Q 28.3

Workers (main shift)

 Less than 5 ..................................... 2,718 260 146 119 29 17,944 2,678 Q 892 128 15.4

 5 to 9 .............................................. 895 155 66 97 Q 7,524 1,326 687 705 Q 12.6

 10 to 19 .......................................... 561 126 55 80 Q 8,077 1,719 707 1,233 Q 14.0

 20 to 49 .......................................... 405 105 39 79 Q 10,556 3,419 1,172 2,662 Q 13.6

 50 to 99 .......................................... 130 43 25 28 Q 7,763 3,424 1,885 2,209 Q 14.6

 100 to 249 ...................................... 64 26 14 18 Q 7,378 3,998 2,020 3,072 Q 15.0

 250 or More .................................... 31 18 11 11 Q 8,633 6,502 3,858 4,459 Q 14.4

Weekly Operating Hours

 39 or Fewer .................................... 1,039 116 68 46 Q 8,246 1,828 826 1,098 Q 18.4

 40 to 48 .......................................... 1,278 89 38 54 Q 14,998 3,010 1,726 1,912 Q 14.2

 49 to 60 .......................................... 1,004 83 36 56 Q 14,046 3,118 1,723 1,852 Q 12.7

 61 to 84 .......................................... 645 149 68 97 Q 12,062 5,195 2,805 3,487 Q 11.7

 85 to 167 ........................................ 478 218 107 126 25 8,467 4,750 2,418 3,619 179 13.8

 Open Continuously ......................... 362 78 40 52 Q 10,057 5,163 2,684 3,266 Q 17.6

Water-Heating Energy Sources

(more than one may apply)

 Electricity ........................................ 1,696 264 182 79 33 25,482 8,200 5,725 3,766 505 12.7

 Natural Gas .................................... 1,647 425 153 361 Q 29,962 13,339 5,862 11,383 Q 8.8

 Fuel Oil ........................................... 126 26 13 5 11 2,470 1,202 512 597 313 25.1

 District Heat .................................... 38 12 8 6 Q 3,308 1,768 1,192 802 Q 24.8

 Propane .......................................... 80 30 Q Q 27 659 395 Q Q 291 27.8

Q = Data withheld because the Relative Standard Error (RSE) was greater than 50 percent, or fewer than 20 buildings were sampled.

Notes: • To obtain a RSE percentage for any table cell, multiply the cell’s corresponding RSE column and RSE row factors. • See Glossary for explanation of

abbreviations and definitions of terms used in this report.

Source: Energy Information Administration, Office of Energy Marketsand End Use, Form EIA-871A, "Building Questionnaire," 1992 Commercial Buildings Energy

Consumption Survey.

Energy Information Administration/Commercial Buildings Characteristrics 1992 175