All

Buildings*Not

Heated

1 to 50

Percent

Heated

51 to 99

Percent 

Heated

100

Percent

Heated

All

Buildings*Not

Heated

1 to 50

Percent

Heated

51 to 99

Percent

Heated

100

Percent

Heated

All Buildings* .................................. 4,645 663 523 498 2,962 64,783 4,756 6,850 8,107 45,071

Building Floorspace

(Square Feet)

1,001 to 5,000 ................................... 2,552 452 262 258 1,580 6,789 1,121 738 731 4,198

5,001 to 10,000 ................................. 889 107 112 99 570 6,585 799 889 724 4,173

10,001 to 25,000 ............................... 738 79 107 89 463 11,535 1,148 1,742 1,420 7,225

25,001 to 50,000 ............................... 241 16 22 27 176 8,668 608 842 941 6,278

50,001 to 100,000 ............................. 129 Q 13 13 98 9,057 Q 916 926 6,877

100,001 to 200,000 ........................... 65 Q 5 6 52 9,064 Q 703 779 7,228

200,001 to 500,000 ........................... 25 Q Q 4 19 7,176 Q Q 1,168 5,404

Over 500,000 .................................... 7 Q Q 2 4 5,908 Q Q 1,418 3,688

Principal Building Activity

Education .......................................... 386 Q Q 27 340 9,874 Q Q 1,017 8,586

Food Sales ....................................... 226 Q Q Q 130 1,255 Q Q Q 791

Food Service ..................................... 297 Q Q 52 211 1,654 Q Q 292 1,113

Health Care ....................................... 129 Q Q 21 97 3,163 Q Q 465 2,569

 Inpatient .......................................... 8 N N 1 7 1,905 N N 325 1,580

 Outpatient ....................................... 121 Q Q Q 90 1,258 Q Q Q 989

Lodging ............................................. 142 Q 12 16 114 5,096 Q 234 605 4,155

Retail (Other Than Mall)..................... 443 Q 64 74 270 4,317 Q 657 787 2,631

Office ................................................ 824 22 47 102 653 12,208 279 541 2,222 9,167

Public Assembly ............................... 277 Q 26 34 198 3,939 Q 259 590 2,928

Public Order and Safety .................... 71 Q Q Q 58 1,090 Q Q Q 929

Religious Worship ............................. 370 Q Q 39 295 3,754 Q Q 404 2,897

Service .............................................. 622 107 99 68 348 4,050 364 542 521 2,624

Warehouse and Storage ................... 597 280 153 14 149 10,078 1,952 3,320 728 4,077

Other ................................................ 79 Q Q Q 55 1,738 Q Q Q 1,473

Vacant .............................................. 182 113 Q Q 45 2,567 1,077 Q Q 1,132

Year Constructed

Before 1920 ...................................... 330 27 48 55 200 3,769 102 635 676 2,356

1920 to 1945 ..................................... 527 85 60 70 312 6,871 635 819 1,066 4,351

1946 to 1959 ..................................... 562 69 55 70 368 7,045 511 506 869 5,159

1960 to 1969 ..................................... 579 55 65 52 407 8,101 591 557 867 6,086

1970 to 1979 ..................................... 731 83 68 82 497 10,772 549 998 1,248 7,978

1980 to 1989 ..................................... 707 88 84 73 460 10,332 524 1,054 1,361 7,394

1990 to 1999 ..................................... 876 157 93 78 549 12,360 1,106 1,370 1,480 8,403

2000 to 2003 ..................................... 334 98 50 18 168 5,533 737 911 540 3,345

Census Region

Northeast .......................................... 726 54 74 84 514 12,905 309 1,387 1,539 9,671

Midwest ............................................ 1,266 154 117 141 853 17,080 748 1,130 1,727 13,474

South ................................................ 1,775 312 236 168 1,059 23,489 2,491 2,841 2,891 15,266

West ................................................. 878 143 95 105 535 11,310 1,208 1,491 1,950 6,661

Climate Zone: 30-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ..................... 855 103 97 95 560 10,622 513 1111 1377 7,620

 5,500-7,000 HDD ............................ 1,173 117 104 113 837 17,335 615 1,109 1,735 13,876

 4,000-5,499 HDD ............................ 673 47 89 81 455 11,504 265 1,325 1,713 8,202

 Fewer than 4,000 HDD ................... 1,276 225 146 150 754 15,739 1,773 1,845 2,349 9,772

2,000 CDD or More and --

 Fewer than 4,000 HDD ................... 669 171 85 58 355 9,584 1,589 1,460 932 5,602

Table B34. Percent of Floorspace Heated, Number of Buildings and Floorspace for NonMall Buildings, 2003

Number of Buildings (thousand) Total Floorspace (million square feet)

Energy Information Administration

2003 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables

Revised June 2006 178

Released: Dec 2006

Next CBECS will be conducted in 2007
All

Buildings*Not

Heated

1 to 50

Percent

Heated

51 to 99

Percent 

Heated

100

Percent

Heated

All

Buildings*Not

Heated

1 to 50

Percent

Heated

51 to 99

Percent

Heated

100

Percent

Heated

All Buildings* .................................. 4,645 663 523 498 2,962 64,783 4,756 6,850 8,107 45,071

Table B34. Percent of Floorspace Heated, Number of Buildings and Floorspace for NonMall Buildings, 2003

Number of Buildings (thousand) Total Floorspace (million square feet)

Number of Floors

One ................................................... 3,136 570 353 292 1,921 25,981 3,237 3,336 2,534 16,875

Two ................................................... 1,031 70 135 111 714 16,270 862 2,027 1,643 11,739

Three ................................................ 339 Q 21 69 228 7,501 Q 749 1,049 5,401

Four to Nine ...................................... 128 Q 13 22 91 10,085 Q 556 1,601 7,587

Ten or More ...................................... 12 Q Q 3 8 4,947 Q Q 1,280 3,470

Number of Workers (main shift)

Fewer than 5 ..................................... 2,653 573 352 251 1,477 15,492 3,311 2,406 1,318 8,457

5 to 9 ................................................ 778 46 80 98 555 6,166 344 918 858 4,046

10 to 19 ............................................. 563 27 56 68 412 7,803 394 1,049 843 5,517

20 to 49 ............................................. 398 Q 23 50 313 10,989 Q 1,106 1,240 8,476

50 to 99 ............................................. 147 Q 7 18 115 7,934 Q 641 980 6,028

100 to 249 ......................................... 77 Q Q 7 66 6,871 Q Q 743 5,696

250 or More ...................................... 30 Q Q 5 23 9,528 Q Q 2,123 6,851

Weekly Operating Hours

Fewer than 40 ................................... 1,002 250 115 81 555 6,863 1,617 842 509 3,895

40 to 48 ............................................. 1,117 80 140 118 779 11,622 694 1,389 1,091 8,447

49 to 60 ............................................. 1,062 96 132 120 713 15,723 960 2,055 2,035 10,672

61 to 84 ............................................. 591 57 55 90 389 10,334 323 971 1,797 7,244

85 to 167 ........................................... 400 69 39 38 254 7,092 412 828 681 5,171

Open Continuously ........................... 475 111 41 50 273 13,149 750 765 1,994 9,641

Vacancy Status

Completely Vacant ............................ 157 97 Q Q 39 2,161 940 Q Q 943

Mostly Vacant ................................... 25 Q Q Q Q 406 Q Q Q Q

Partially Vacant ................................. 548 116 74 62 296 12,382 891 1,367 2,307 7,817

Not At All Vacant .............................. 3,915 434 435 425 2,620 49,834 2,788 5,185 5,740 36,122

Energy Sources (more than

one may apply)

Electricity .......................................... 4,404 432 520 498 2,953 63,307 3,315 6,829 8,107 45,055

Natural Gas ...................................... 2,391 47 231 317 1,796 43,468 494 4,006 5,965 33,002

Fuel Oil ............................................. 451 Q 62 56 325 15,157 Q 1,253 2,480 11,209

District Heat ...................................... 67 Q Q 5 60 5,443 Q Q 636 4,716

District Chilled Water ........................ 33 Q Q 3 28 2,853 Q Q 342 2,328

Propane ............................................ 502 Q 88 58 342 7,076 Q 1,178 1,009 4,602

Other ................................................ 132 Q Q Q 104 1,401 Q Q Q 1,142

Space-Heating Energy Sources

(more than one may apply)

Electricity .......................................... 1,766 N 275 229 1,261 28,600 N 4,077 4,355 20,168

Natural Gas ...................................... 2,165 N 214 294 1,658 36,959 N 3,685 5,077 28,197

Fuel Oil ............................................. 360 N 57 48 254 5,988 N 772 846 4,370

District Heat ...................................... 65 N Q 5 59 5,198 N Q 631 4,541

Propane ............................................ 372 N 64 41 266 3,204 N 587 344 2,272

Other ................................................ 113 N Q Q 89 842 N Q Q 679

Energy Information Administration

2003 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables

Revised June 2006 179

CONTINUED
All

Buildings*Not

Heated

1 to 50

Percent

Heated

51 to 99

Percent 

Heated

100

Percent

Heated

All

Buildings*Not

Heated

1 to 50

Percent

Heated

51 to 99

Percent

Heated

100

Percent

Heated

All Buildings* .................................. 4,645 663 523 498 2,962 64,783 4,756 6,850 8,107 45,071

Table B34. Percent of Floorspace Heated, Number of Buildings and Floorspace for NonMall Buildings, 2003

Number of Buildings (thousand) Total Floorspace (million square feet)

Primary Space-Heating

Energy Source

Electricity .......................................... 1,258 N 222 146 891 15,996 N 2,890 2,164 10,943

Natural Gas ...................................... 1,999 N 192 272 1,534 32,970 N 3,029 4,707 25,233

Fuel Oil ............................................. 282 N 42 41 199 3,818 N 565 459 2,793

District Heat ...................................... 63 N Q 5 57 4,907 N Q 574 4,307

Propane ............................................ 308 N 54 33 221 1,955 N 280 203 1,473

Other ................................................ 72 N Q N 60 382 N Q N 322

Energy End Uses (more than

one may apply)

Buildings with Space Heating ............ 3,982 N 523 498 2,962 60,028 N 6,850 8,107 45,071

Buildings with Cooling ....................... 3,625 156 425 448 2,596 56,940 1,752 6,013 7,768 41,407

Buildings with Water Heating ............ 3,472 135 368 427 2,542 56,478 1,324 5,404 7,683 42,067

Buildings with Cooking ...................... 801 37 44 99 620 22,237 511 711 3,215 17,799

Buildings with Manufacturing ............ 119 Q 24 Q 76 3,138 Q 812 Q 1,763

Buildings with Electricity

 Generation ....................................... 149 Q 10 14 123 12,821 Q 576 2,102 9,957

Percent of Floorspace Cooled

Not Cooled ........................................ 1,020 507 97 49 366 7,843 3,004 836 339 3,664

1 to 50 .............................................. 985 51 373 93 469 16,598 745 5,201 1,906 8,746

51 to 99 ............................................. 629 30 17 322 260 13,211 322 300 5,399 7,189

100 ................................................... 2,011 76 35 33 1,867 27,132 684 512 463 25,472

Percent Lit When Open

Zero .................................................. 47 Q Q N Q 293 Q Q N Q

1 to 50 .............................................. 929 133 247 83 466 10,203 909 2,916 1,046 5,333

51 to 99 ............................................. 1,108 73 87 263 685 18,288 640 1,248 4,132 12,267

100 ................................................... 2,176 143 157 137 1,739 32,789 1,214 2,343 2,863 26,370

Building Never Open/

 Electricity Not Used ......................... 386 276 Q Q 68 3,210 1,767 Q Q 1,068

Heating Equipment (more

than one may apply)

Heat Pumps ...................................... 476 N 37 61 378 8,814 N 670 1,497 6,647

 Packaged Heat Pumps ................... 278 N 19 33 226 5,442 N 393 825 4,224

 Split-System Heat Pumps ............... 166 N Q 22 127 2,581 N Q 426 1,877

 Individual Room Heat Pumps .......... 58 N Q 12 46 2,691 N Q 587 2,086

Furnaces ........................................... 1,864 N 240 241 1,383 19,615 N 2,852 2,597 14,165

Individual Space Heaters .................. 819 N 178 114 527 12,545 N 2,055 1,943 8,547

District Heat ...................................... 65 N Q 5 58 5,166 N Q 631 4,509

Boilers .............................................. 579 N 30 77 472 20,423 N 792 3,110 16,521

Packaged Heating Units ................... 953 N 109 138 706 18,021 N 2,390 2,546 13,085

Other ................................................ 205 N 29 22 153 3,262 N 279 476 2,507

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ............. 466 25 27 55 358 19,597 489 1,004 3,035 15,070

Economizer Cycle ............................. 508 Q 31 80 386 21,108 Q 942 3,420 16,466

HVAC Maintenance .......................... 2,581 90 234 332 1,925 51,163 1,351 4,542 6,910 38,359

Energy Management and

 Control System (EMCS) ................... 252 Q 9 33 203 15,630 Q 541 2,502 12,414

Energy Information Administration

2003 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables

Revised June 2006 180

CONTINUED
All

Buildings*Not

Heated

1 to 50

Percent

Heated

51 to 99

Percent 

Heated

100

Percent

Heated

All

Buildings*Not

Heated

1 to 50

Percent

Heated

51 to 99

Percent

Heated

100

Percent

Heated

All Buildings* .................................. 4,645 663 523 498 2,962 64,783 4,756 6,850 8,107 45,071

Table B34. Percent of Floorspace Heated, Number of Buildings and Floorspace for NonMall Buildings, 2003

Number of Buildings (thousand) Total Floorspace (million square feet)

Equipment Usage Reduced

When Building Not In Full Use

(more than one may apply)

a

Heating ............................................. 2,878 N 382 362 2,135 42,722 N 4,451 5,917 32,353

Cooling ............................................. 2,761 111 324 352 1,974 43,205 1,228 4,350 6,118 31,508

Lighting ............................................. 3,685 288 437 418 2,542 46,987 2,189 5,541 5,939 33,319

Office Equipment .............................. 1,504 58 186 164 1,095 19,397 759 2,244 2,118 14,277

Notes: ● HVAC = Heating, Ventilation, and Air Conditioning. ● 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 2003 Commercial Buildings Energy 

Consumption Survey. 

See "Guide to the Tables" or "Glossary" for further explanations of the terms used in this table. Both can be accessed from the CBECS web site - 

http://www.eia.doe.gov/emeu/cbecs.

 * Figures in this table do not include enclosed malls and strip malls. Mall buildings add an estimated 213 thousand buildings comprising 6.9 

billion square feet.

a The definition for one or more of these row items has changed and may not be directly comparable with past CBECS estimates. See "Guide to 

the Tables" for discussion of the differences.

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.

Energy Information Administration

2003 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables

Revised June 2006 181

CONTINUED