Electricity Natural Gas Fuel Oil District Heat

All Buildings ............................................... 4,657 4,016 1,128 2,189 302 77

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 2,348 1,982 591 1,028 167 Q

5,001 to 10,000 ............................................ 1,110 946 200 582 70 Q

10,001 to 25,000 .......................................... 708 629 195 336 40 13

25,001 to 50,000 .......................................... 257 237 79 122 14 16

50,001 to 100,000 ........................................ 145 137 39 76 7 12

100,001 to 200,000 ...................................... 59 57 18 30 3 6

200,001 to 500,000 ...................................... 23 22 5 12 2 3

Over 500,000 ............................................... 7 7 2 3Q 2

Principal Building Activity

Education .................................................... 327 326 111 172 14 20

Food Sales .................................................. 174 149 53 77 Q Q

Food Service ............................................... 349 321 87 176 Q Q

Health Care ................................................. 127 127 55 62 Q 3

 Inpatient .................................................... 11 11 Q 5 Q 2

 Outpatient ................................................. 116 116 55 57 Q Q

Lodging ........................................................ 153 150 80 55 Q 13

Mercantile .................................................... 667 626 187 360 50 Q

 Retail (Other Than Mall) ........................... 534 502 126 305 43 Q

 Enclosed and Strip Malls .......................... 133 123 61 54 Q N

Office ........................................................... 739 728 252 376 64 18

Public Assembly .......................................... 305 274 58 144 Q 15

Public Order and Safety .............................. 72 61 Q 28 Q 3

Religious Worship ....................................... 307 306 29 200 Q Q

Service ........................................................ 478 421 83 235 Q Q

Warehouse and Storage ............................. 603 357 100 201 Q Q

Other ............................................................ 102 84 Q 38 Q Q

Vacant ......................................................... 253 84 Q 66 Q Q

Year Constructed

1919 or Before ............................................. 419 350 21 250 50 19

1920 to 1945 ................................................ 499 430 60 299 41 9

1946 to 1959 ................................................ 763 666 181 346 86 14

1960 to 1969 ................................................ 665 557 105 345 45 15

1970 to 1979 ................................................ 774 691 233 383 20 6

1980 to 1989 ................................................ 846 713 311 282 35 10

1990 to 1999 ................................................ 690 608 218 284 Q 4

Census Region

Northeast ..................................................... 686 601 76 254 190 24

Midwest ....................................................... 1,188 1,049 128 792 Q 21

South ........................................................... 1,762 1,503 672 598 92 16

West ............................................................ 1,021 863 253 545 Q 16

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ............................... 525 475 31 311 59 2

 5,500-7,000 HDD ..................................... 986 870 114 583 83 22

 4,000-5,499 HDD ..................................... 1,085 950 245 446 136 35

 Fewer than 4,000 HDD ............................. 1,134 997 365 566 Q 7

2,000 CDD or More and --

 Fewer than 4,000 HDD ............................. 926 724 373 283 Q 11

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

1999

Primary Space-Heating Energy Source Useda

Number of Buildings (thousand)

All

Buildings

All Buildings 

with Space 

Heating

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables 74
Electricity Natural Gas Fuel Oil District Heat

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

1999

Primary Space-Heating Energy Source Useda

Number of Buildings (thousand)

All

Buildings

All Buildings 

with Space 

Heating

Workers (main shift)

Fewer than 5 ................................................ 2,376 1,835 480 1,004 134 21

5 to 9 ............................................................ 807 773 174 469 77 13

10 to 19 ........................................................ 683 667 221 339 41 10

20 to 49 ........................................................ 487 456 148 234 37 11

50 to 99 ........................................................ 174 166 72 77 7 8

100 to 249 .................................................... 90 81 21 47 5 7

250 or More ................................................. 39 38 12 19 1 6

Weekly Operating Hours

39 or Fewer ................................................. 978 638 119 343 51 Q

40 to 48 ........................................................ 1,156 1,068 315 576 74 24

49 to 60 ........................................................ 986 943 263 544 92 16

61 to 84 ........................................................ 664 598 162 351 39 9

85 to 167 ...................................................... 474 407 136 207 19 7

Open Continuously ...................................... 398 361 132 167 28 20

Energy Sources (more than

one may apply)

Electricity ..................................................... 4,395 4,008 1,128 2,182 302 77

Natural Gas ................................................. 2,670 2,588 331 2,189 25 33

Fuel Oil ........................................................ 434 432 64 54 302 6

District Heat ................................................. 117 116 35 4 Q 77

District Chilled Water ................................... 50 49 Q 3 Q 28

Propane ....................................................... 451 434 57 24 62 Q

Other ............................................................ 153 149 38 41 Q Q

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4,016 4,016 1,128 2,189 302 77

Buildings with Cooling ................................. 3,560 3,400 1,058 1,883 192 58

Buildings with Water Heating ...................... 3,239 3,087 867 1,759 205 70

Buildings with Cooking ................................ 857 798 210 438 58 13

Buildings with Manufacturing ....................... 151 143 51 58 Q Q

Buildings with Electricity

 Generation .................................................. 172 169 51 87 20 9

Percent of Floorspace Heated

Not Heated .................................................. 641 N NNNN

1 to 50 .......................................................... 576 576 189 277 44 Q

51 to 99 ........................................................ 627 627 165 365 45 15

100 ............................................................... 2,813 2,813 774 1,547 213 61

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 492 492 373 97 Q 3

Furnaces ...................................................... 1,460 1,460 192 1,017 119 Q

Individual Space Heaters ............................ 894 894 213 498 79 5

District Heat ................................................. 96 96 Q 2 Q 77

Boilers ......................................................... 581 581 40 364 136 Q

Packaged Heating Units .............................. 1,347 1,347 494 758 Q 4

Other ............................................................ 185 185 62 60 Q Q

a Additionally, 282,000 buildings used propane; 38,000 buildings used wood, coal, or some other energy source; and no buildings used solar as

a primary space heating energy source.

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

N=No responding cases in sample.

Notes: Due to rounding, data may not sum to totals.

Source: Energy Information Administration, Office of Energy Markets and End Use, Form EIA-871A of the 1999 Commercial Buildings Energy 

Consumption Survey.

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables 75