Released: June 2006
Next CBECS will be conducted in 2007

Table B18. Occupancy of Nongovernment-Owned and Government-Owned Buildings, Floorspace for Non-Mall Buildings, 2003
  Total Floorspace (million square feet)
All
Buildings*
Nongovernment-Owned Buildings Government-Owned Buildings
Nongov-
ernment-
Owned
Buildings
Owner
Occupied
Nonowner
Occupied
Unocc-
upied
Govern-
ment-
Owned
Buildings
Federal State Local
All Buildings* ............................... 64,783 49,421 23,591 23,914 1,916 15,363 1,956 3,808 9,599
Building Floorspace
(Square Feet)
1,001 to 5,000 ................................ 6,789 6,043 2,682 3,162 199 746 Q 206 498
5,001 to 10,000 .............................. 6,585 5,827 2,858 2,791 Q 758 Q Q 620
10,001 to 25,000 ............................ 11,535 9,738 5,028 4,530 Q 1,797 Q 604 1,044
25,001 to 50,000 ............................ 8,668 6,659 3,197 3,141 Q 2,009 Q 531 1,327
50,001 to 100,000 .......................... 9,057 5,779 2,464 2,951 Q 3,278 Q 620 2,557
100,001 to 200,000 ........................ 9,064 5,958 2,919 2,714 Q 3,106 Q 1,142 1,644
200,001 to 500,000 ........................ 7,176 4,803 2,048 2,408 Q 2,373 545 408 1,420
Over 500,000 ................................. 5,908 4,613 2,396 2,217 N 1,295 606 Q Q
Principal Building Activity
Education ....................................... 9,874 2,070 1,232 839 N 7,804 Q 1,671 6,067
Food Sales ..................................... 1,255 1,243 541 702 N Q N Q Q
Food Service ................................. 1,654 1,547 489 1,058 N Q N Q Q
Health Care .................................... 3,163 2,662 1,611 1,051 N 501 121 Q 168
  Inpatient ....................................... 1,905 1,557 911 646 N 348 Q Q Q
  Outpatient .................................... 1,258 1,105 700 405 N Q Q Q Q
Lodging .......................................... 5,096 4,734 1,624 3,110 N 363 Q Q Q
Retail (Other Than Mall).................. 4,317 4,312 2,020 2,292 N Q Q N N
Office ............................................. 12,208 10,515 5,571 4,944 N 1,693 482 531 680
Public Assembly ............................ 3,939 2,189 1,204 984 N 1,751 Q 726 977
Public Order and Safety ................ 1,090 Q Q Q N 967 Q Q 853
Religious Worship .......................... 3,754 3,754 2,804 950 N N N N N
Service .......................................... 4,050 3,018 1,680 1,338 N 1,032 533 Q 293
Warehouse and Storage ............... 10,078 9,371 3,736 5,635 N Q Q Q Q
Other .............................................. 1,738 1,574 774 800 N 164 Q Q Q
Vacant ........................................... 2,567 2,310 Q Q 1,916 Q Q Q Q
Year Constructed
Before 1920 ................................... 3,769 3,119 1,716 1,357 Q 650 Q Q 440
1920 to 1945 .................................. 6,871 4,879 2,883 1,597 Q 1,992 Q 282 1,020
1946 to 1959 .................................. 7,045 4,994 2,514 2,252 Q 2,050 Q 377 1,551
1960 to 1969 .................................. 8,101 5,660 2,917 2,452 Q 2,441 333 819 1,289
1970 to 1979 .................................. 10,772 8,167 3,410 4,315 Q 2,605 Q 738 1,572
1980 to 1989 .................................. 10,332 8,564 4,095 4,336 Q 1,768 Q 566 1,094
1990 to 1999 .................................. 12,360 9,529 4,039 5,289 Q 2,830 Q 713 1,758
2000 to 2003 .................................. 5,533 4,508 2,016 2,315 Q 1,025 Q Q 874
Census Region
Northeast ....................................... 12,905 10,389 5,904 4,204 Q 2,517 Q 599 1,706
Midwest ......................................... 17,080 12,470 6,171 5,539 760 4,610 Q 764 2,925
South ............................................. 23,489 17,826 7,869 9,358 600 5,662 521 1,718 3,423
West .............................................. 11,310 8,736 3,648 4,813 Q 2,574 Q 727 1,545
Climate Zone: 30-Year Average
Under 2,000 CDD and --
  More than 7,000 HDD ................... 10,622 8,063 3,894 3,972 Q 2,558 167 696 1,695
  5,500-7,000 HDD ......................... 17,335 12,350 6,510 5,030 810 4,985 1,135 709 3,141
  4,000-5,499 HDD ......................... 11,504 9,204 4,791 4,244 Q 2,300 Q 692 1,182
  Fewer than 4,000 HDD ................ 15,739 12,409 5,496 6,439 473 3,330 144 1,247 1,939
2,000 CDD or More and --
  Fewer than 4,000 HDD ................ 9,584 7,396 2,899 4,228 Q 2,189 Q Q 1,642
Number of Floors
One ................................................ 25,981 20,203 8,613 10,719 870 5,779 902 917 3,959
Two ............................................... 16,270 12,450 5,914 5,901 636 3,819 Q 842 2,834
Three ............................................. 7,501 5,694 3,061 2,402 Q 1,807 Q 349 1,332
Four to Nine ................................... 10,085 6,678 3,822 2,677 Q 3,406 650 1,531 1,226
Ten or More ................................... 4,947 4,396 2,181 2,215 N 551 136 Q Q
Elevators and Escalators
(more than one may apply)
Any Elevators ................................ 24,617 17,048 8,806 7,777 Q 7,569 1,012 2,382 4,174
Number of Elevators
  One .............................................. 8,221 4,926 2,507 2,181 Q 3,295 Q 774 2,292
  Two to Five .................................. 10,129 7,177 3,670 3,307 Q 2,952 186 1,346 1,420
  Six or More .................................. 6,268 4,945 2,629 2,289 Q 1,323 598 263 462
Any Escalators .............................. 2,350 1,839 1,001 832 Q 511 Q Q Q
Number of Workers (main shift)
Fewer than 5 ................................. 15,492 13,316 5,546 5,854 1,916 2,176 Q 456 1,128
5 to 9 .............................................. 6,166 5,386 2,802 2,585 N 780 Q Q 495
10 to 19 .......................................... 7,803 6,790 3,668 3,123 N 1,013 Q 277 678
20 to 49 .......................................... 10,989 7,940 3,499 4,441 N 3,049 Q 916 2,022
50 to 99 .......................................... 7,934 4,556 2,138 2,417 N 3,378 Q 803 2,340
100 to 249 ...................................... 6,871 4,139 2,262 1,877 N 2,732 Q 681 1,956
250 or More ................................... 9,528 7,293 3,677 3,617 N 2,235 761 493 981
Weekly Operating Hours
Fewer than 40 ............................... 6,863 5,716 2,009 1,791 1,916 1,147 Q Q 903
40 to 48 .......................................... 11,622 7,898 4,166 3,732 N 3,724 Q 667 2,980
49 to 60 .......................................... 15,723 11,414 5,978 5,435 N 4,310 Q 763 2,613
61 to 84 .......................................... 10,334 7,997 3,722 4,275 N 2,337 208 760 1,369
85 to 167 ........................................ 7,092 5,305 2,582 2,724 N 1,786 Q 883 830
Open Continuously ........................ 13,149 11,090 5,134 5,956 N 2,059 601 555 903
Vacancy Status
Completely Vacant ......................... 2,161 1,916 N N 1,916 Q Q Q Q
Mostly Vacant ................................ 406 394 Q Q N Q N N Q
Partially Vacant .............................. 12,382 10,331 4,935 5,395 N 2,051 352 297 1,403
Not At All Vacant ........................... 49,834 36,780 18,429 18,350 N 13,054 1,560 3,478 8,016
Number of Establishments
One ................................................ 45,144 32,808 15,690 17,118 N 12,336 1,683 2,633 8,020
2 to 5 .............................................. 10,960 8,830 4,948 3,882 N 2,130 Q 866 1,177
6 to 10 ............................................ 1,958 1,539 519 1,020 N 419 Q Q Q
11 to 20 .......................................... 1,951 1,791 1,149 642 N Q Q Q Q
More than 20 .................................. 2,609 2,536 1,285 1,251 N Q Q Q Q
Currently Unoccupied .................... 2,161 1,916 N N 1,916 Q Q Q Q
Multibuilding Facility
Not Part of a Multibuilding
 Facility ........................................... 40,048 33,774 15,943 16,453 1,378 6,275 716 780 4,779
College or University ...................... 3,480 1,224 905 318 N 2,256 N 2,169 Q
Primary or Secondary School ........ 3,947 373 Q 243 N 3,574 Q 259 3,132
Office Complex .............................. 2,712 2,606 1,034 1,350 Q Q Q Q Q
Retail Complex ............................... 1,238 1,229 548 665 Q Q N Q N
Religious Campus or Complex ....... 2,347 2,347 1,690 624 Q N N N N
Health Care Complex ..................... 2,303 1,820 1,096 725 N 483 Q 227 153
Lodging or Resort Complex ........... 912 871 156 708 Q Q Q N Q
Government Complex .................... 2,014 Q N Q N 1,977 Q Q 928
Other .............................................. 5,783 5,140 2,088 2,792 Q 642 Q Q 446
Predominant Exterior
Wall Material
Brick, Stone or Stucco ................... 32,817 22,216 11,555 9,903 758 10,601 1,364 2,631 6,605
Concrete (Block or Poured) ........... 10,832 8,760 3,947 4,341 472 2,073 215 396 1,461
Concrete Panels ............................ 6,559 5,559 2,048 3,105 Q 1,000 Q 414 369
Siding or Shingles .......................... 4,120 3,587 1,772 1,738 Q 532 Q Q 396
Metal Panels ................................... 7,912 7,291 3,318 3,874 Q 621 Q Q 384
Window Glass ............................... 1,024 858 363 400 Q Q Q Q Q
Other .............................................. 1,113 909 499 404 Q Q Q Q Q
No One Major Type ........................ 406 Q Q Q Q Q N Q Q
Predominant Roof Material
Built-Up .......................................... 21,170 14,966 6,276 7,639 1,051 6,205 522 1,610 4,073
Shingles (Not Wood) ...................... 10,195 8,595 4,557 3,787 Q 1,599 Q 329 1,141
Metal Surfacing .............................. 11,944 10,315 4,947 5,148 Q 1,629 Q 265 1,269
Synthetic or Rubber ....................... 14,730 10,271 4,967 4,958 Q 4,458 592 1,254 2,612
Slate or Tile .................................... 2,462 1,994 1,029 928 Q 468 Q Q Q
Wooden Materials .......................... 887 720 294 421 Q Q Q Q Q
Concrete ........................................ 2,231 1,578 825 753 N Q Q Q Q
Other .............................................. 598 514 Q Q Q Q Q Q Q
No One Major Type ........................ 565 467 Q Q N Q Q N Q
Renovations in Buildings
Constructed Before 1980
(more than one may apply)
Any Type of Renovation
 Since 1980 .................................... 17,844 12,881 6,930 5,531 Q 4,963 464 1,071 3,428
   Addition or Annex ....................... 6,551 4,589 2,573 1,905 Q 1,962 Q 411 1,430
   Reduction In Floorspace ............. 1,012 829 423 Q N Q Q Q Q
   Cosmetic Improvements .............. 13,119 9,663 5,136 4,325 Q 3,456 180 787 2,489
   Wall or Roof Replacement .......... 8,070 5,614 2,953 2,629 Q 2,457 294 458 1,705
   Interior Wall
    Re-Configuration ........................ 8,518 6,238 3,436 2,745 Q 2,280 Q 584 1,472
   HVAC Equipment Upgrade .......... 10,768 7,265 4,236 3,027 Q 3,503 305 724 2,474
   Lighting Upgrade ......................... 10,275 6,981 3,872 3,077 Q 3,294 268 750 2,275
   Window Replacement ................. 6,354 4,526 2,644 1,753 Q 1,828 Q 318 1,419
   Plumbing System Upgrade .......... 7,144 4,943 2,766 2,142 Q 2,201 Q 503 1,499
   Insulation Upgrade ...................... 4,015 2,776 1,867 876 Q 1,238 Q Q 865
   Other Renovation ........................ 523 427 253 Q N Q Q Q Q
No Renovations Since 1980 .......... 18,714 13,938 6,511 6,442 985 4,776 1,008 1,324 2,444
Building Newer than 1980 ............. 28,225 22,601 10,150 11,940 511 5,624 484 1,413 3,726
Energy Sources (more than
one may apply)
Electricity ....................................... 63,307 48,012 23,454 23,258 1,299 15,295 1,951 3,786 9,558
Natural Gas .................................... 43,468 33,317 16,548 15,886 883 10,150 1,083 2,438 6,630
Fuel Oil ........................................... 15,157 11,374 6,092 5,215 Q 3,783 381 962 2,441
District Heat ................................... 5,443 2,148 1,421 698 Q 3,295 Q 1,694 653
District Chilled Water ...................... 2,853 1,069 711 323 Q 1,785 247 1,051 487
Propane ......................................... 7,076 5,280 2,481 2,639 Q 1,796 Q Q 1,030
Other .............................................. 1,401 1,033 611 396 Q 368 Q Q Q
Space-Heating Energy Sources
(more than one may apply)
Electricity ....................................... 28,600 23,040 10,959 11,681 400 5,560 588 716 4,257
Natural Gas .................................... 36,959 28,612 14,264 13,526 821 8,347 782 1,814 5,751
Fuel Oil ........................................... 5,988 4,378 2,595 1,784 N 1,609 Q 328 1,167
District Heat ................................... 5,198 1,984 1,363 591 Q 3,214 Q 1,631 639
Propane ......................................... 3,204 2,554 1,556 951 Q 649 Q Q 440
Other .............................................. 842 718 451 241 Q Q Q Q Q
Primary Space-Heating
Energy Source
Electricity ....................................... 15,996 13,204 5,410 7,618 Q 2,793 Q 276 2,444
Natural Gas .................................... 32,970 25,322 12,902 11,605 815 7,647 777 1,521 5,350
Fuel Oil ........................................... 3,818 2,805 1,764 1,041 N 1,013 Q Q 685
District Heat ................................... 4,907 1,860 1,314 517 Q 3,047 Q 1,589 519
Propane ......................................... 1,955 1,538 747 743 Q 417 Q Q 301
Other .............................................. 382 335 228 Q N Q N N Q
Cooling Energy Sources
(more than one may apply)
Electricity ....................................... 54,321 42,323 20,954 20,829 540 11,998 1,163 2,553 8,282
Natural Gas .................................... 1,018 678 444 234 N Q Q Q Q
District Chilled Water ...................... 2,853 1,069 711 323 Q 1,785 247 1,051 487
Water-Heating Energy Sources
(more than one may apply)
Electricity ....................................... 27,490 22,196 11,450 10,431 Q 5,294 465 1,015 3,814
Natural Gas .................................... 28,820 21,116 10,036 10,611 Q 7,705 786 1,742 5,177
Fuel Oil ........................................... 1,880 1,201 880 321 N 679 Q Q 445
District Heat ................................... 3,088 1,495 994 501 N 1,592 Q 1,074 Q
Propane ......................................... 1,422 965 453 511 N 458 Q Q 360
Cooking Energy Sources
(more than one may apply)
Electricity ....................................... 13,161 8,072 4,183 3,884 Q 5,089 Q 622 4,166
Natural Gas .................................... 15,438 10,740 5,319 5,381 Q 4,698 502 652 3,544
Propane ......................................... 1,460 926 472 453 Q 534 Q Q 431
Energy End Uses (more than
one may apply)
Buildings with Space Heating ........ 60,028 45,064 22,364 21,630 1,069 14,964 1,908 3,710 9,346
Buildings with Cooling .................... 56,940 43,341 21,640 21,160 540 13,599 1,357 3,542 8,701
Buildings with Water Heating ......... 56,478 42,588 21,511 20,404 673 13,890 1,407 3,626 8,857
Buildings with Cooking ................... 22,237 14,480 7,694 6,740 Q 7,757 674 976 6,107
Buildings with Manufacturing ........ 3,138 3,010 1,591 1,419 N Q Q Q Q
Buildings with Electricity
 Generation .................................... 12,821 8,748 4,441 4,219 Q 4,073 459 1,172 2,442
Percent of Floorspace Heated
Not Heated ..................................... 4,756 4,357 1,227 2,283 847 399 Q Q 253
1 to 50 ............................................ 6,850 6,466 3,006 3,240 Q 384 Q Q 273
51 to 99 .......................................... 8,107 6,023 3,132 2,838 Q 2,083 288 344 1,452
100 ................................................. 45,071 32,575 16,226 15,553 795 12,497 1,603 3,273 7,621
Percent of Floorspace Cooled
Not Cooled ..................................... 7,843 6,080 1,951 2,753 1,376 1,763 Q 266 898
1 to 50 ............................................ 16,598 13,595 6,911 6,386 Q 3,003 Q 645 2,124
51 to 99 .......................................... 13,211 9,742 4,982 4,734 Q 3,468 484 738 2,247
100 ................................................. 27,132 20,004 9,748 10,040 Q 7,128 639 2,159 4,330
Percent Lit When Open
Zero ............................................... 293 271 Q Q N Q N Q Q
1 to 50 ............................................ 10,203 9,154 5,113 4,041 N 1,049 Q 352 617
51 to 99 .......................................... 18,288 12,832 6,655 6,178 N 5,456 591 1,468 3,397
100 ................................................. 32,789 24,275 11,545 12,729 N 8,514 1,239 1,944 5,331
Building Never Open/
 Electricity Not Used ....................... 3,210 2,888 200 772 1,916 321 Q Q Q
Percent Lit When Closed
Zero ............................................... 17,385 13,423 6,600 6,138 685 3,962 Q 813 2,595
1 to 50 ............................................ 30,948 22,166 10,993 10,562 611 8,782 646 2,326 5,809
51 to 100 ........................................ 2,093 1,601 754 844 Q 492 Q Q Q
Building Never Closed/
 Electricity Not Used ....................... 14,357 12,231 5,244 6,370 617 2,126 606 577 944
Heating Equipment (more
than one may apply)
Heat Pumps .................................... 8,814 6,502 3,362 3,117 Q 2,312 Q 216 1,764
  Packaged Heat Pumps ................. 5,442 4,032 2,199 1,810 Q 1,410 Q Q 1,008
  Split-System Heat Pumps ............. 2,581 2,002 1,017 985 N 579 Q Q Q
  Individual Room Heat Pumps ........ 2,691 1,698 776 922 N 993 Q Q 948
Furnaces ....................................... 19,615 16,722 8,468 7,808 Q 2,893 Q 530 2,250
Individual Space Heaters ............... 12,545 9,880 5,128 4,575 Q 2,665 406 364 1,896
District Heat ................................... 5,166 1,980 1,363 587 Q 3,186 Q 1,603 639
Boilers ............................................ 20,423 13,422 7,033 6,172 Q 7,001 756 1,444 4,801
Packaged Heating Units ................. 18,021 14,279 6,674 7,225 Q 3,742 325 499 2,918
Other .............................................. 3,262 2,836 1,246 1,537 Q 427 Q Q 297
Cooling Equipment (more
than one may apply)
Residential-Type Central
 Air Conditioners ............................ 11,035 9,150 4,697 4,405 Q 1,885 Q 233 1,322
Heat Pumps .................................... 9,041 6,709 3,500 3,170 Q 2,332 Q 216 1,743
  Packaged Heat Pumps ................. 5,426 4,055 2,180 1,836 Q 1,371 Q Q 922
  Split-System Heat Pumps ............. 2,606 2,021 998 1,023 N 585 Q Q Q
  Individual Room Heat Pumps ........ 2,940 1,924 951 973 N 1,016 Q Q 971
Individual Air Conditioners ............. 12,558 9,008 4,461 4,419 Q 3,550 253 686 2,612
District Chilled Water ...................... 2,853 1,069 711 323 Q 1,785 247 1,051 487
Central Chillers ............................... 11,636 7,055 3,586 3,432 Q 4,581 681 1,258 2,642
Packaged Air Conditioning
 Units .............................................. 29,969 23,772 11,883 11,561 Q 6,197 606 1,002 4,588
Swamp Coolers ............................. 1,561 1,153 642 505 Q 407 Q Q Q
Other .............................................. 1,232 920 495 425 N Q Q Q Q
Main Equipment Replaced Since
1990 (more than one may apply)
Heating ........................................... 16,403 12,856 6,478 6,166 Q 3,547 171 750 2,626
Cooling ........................................... 20,995 16,049 8,043 7,957 Q 4,946 600 974 3,372
Water Heating Equipment
Centralized System ........................ 34,671 26,319 13,602 12,176 Q 8,352 737 2,537 5,077
Distributed System ......................... 11,540 9,328 4,646 4,567 Q 2,212 Q 456 1,504
Combination of Centralized
 and Distributed System ................. 10,267 6,941 3,263 3,661 Q 3,326 417 633 2,276
Lighting Equipment Types
(more than one may apply)
Incandescent ................................. 38,528 29,422 15,132 13,986 Q 9,106 1,016 2,460 5,630
Standard Fluorescent .................... 59,688 44,937 22,532 21,857 548 14,750 1,946 3,743 9,060
Compact Fluorescent ..................... 27,571 20,019 10,599 9,326 Q 7,552 935 2,274 4,343
High Intensity Discharge ................ 20,643 13,866 6,915 6,727 Q 6,777 1,215 1,411 4,152
Halogen .......................................... 17,703 14,281 7,011 7,240 Q 3,422 415 688 2,318
Other .............................................. 269 Q Q Q N Q N Q Q
Refrigeration Equipment
(more than one may apply)a
Any Refrigeration........................... 52,974 39,741 20,451 18,870 Q 13,233 1,297 3,302 8,633
  Commercial Refrigeration ............. 26,768 18,344 9,103 9,190 Q 8,424 732 1,324 6,368
    Walk-In Units .............................. 20,254 13,335 6,276 7,009 Q 6,920 689 1,097 5,134
    Cases or Cabinets ..................... 20,424 14,486 7,055 7,389 Q 5,938 528 995 4,415
  Residential-Type Units ................. 38,884 29,266 15,919 13,060 Q 9,618 1,071 2,256 6,291
  Vending Machines ....................... 35,335 24,400 12,198 12,087 Q 10,935 1,188 2,913 6,834
No Refrigeration ............................. 11,809 9,680 3,140 5,043 1,497 2,130 Q 506 965
Office Equipment (more
than one may apply)
Computers ..................................... 55,627 41,299 20,996 20,004 Q 14,329 1,674 3,661 8,994
  With Flat Screen Monitors ............ 26,417 18,776 10,016 8,760 N 7,641 919 2,395 4,327
Dedicated Servers ......................... 36,338 25,984 13,472 12,497 Q 10,354 1,207 2,409 6,738
Laser Printers ................................ 33,012 24,340 12,680 11,429 Q 8,672 616 1,804 6,252
Inkjet Printers ................................. 32,210 24,321 12,192 12,091 Q 7,889 1,104 2,233 4,552
FAX Machines ............................... 52,373 39,573 20,042 19,296 Q 12,800 1,273 3,306 8,221
Photocopiers .................................. 46,257 33,724 17,771 15,878 Q 12,533 1,322 3,242 7,969
Number of Computers
None .............................................. 9,156 8,122 2,595 3,910 1,617 1,034 Q Q 604
1 to 4 .............................................. 12,395 10,829 5,187 5,377 Q 1,566 Q 373 855
5 to 9 .............................................. 7,179 6,426 3,509 2,917 N 754 Q 186 349
10 to 19 .......................................... 6,610 5,635 2,785 2,815 Q 975 Q Q 603
20 to 49 .......................................... 7,414 5,697 2,859 2,838 N 1,718 Q 570 1,059
50 to 99 .......................................... 5,376 3,273 1,694 1,579 N 2,103 Q 524 1,466
100 to 249 ...................................... 6,690 3,040 1,439 1,601 N 3,651 Q 712 2,853
250 or More ................................... 9,963 6,400 3,522 2,878 N 3,563 724 1,030 1,809
Number of Dedicated Servers
None .............................................. 28,445 23,437 10,119 11,416 1,902 5,009 Q 1,399 2,861
1 to 4 .............................................. 24,116 17,137 8,776 8,346 Q 6,979 413 1,290 5,277
5 to 9 .............................................. 3,864 2,654 1,448 1,206 N 1,210 Q Q 794
10 to 19 .......................................... 3,027 1,913 1,011 902 N 1,115 149 500 Q
20 to 49 .......................................... 2,583 1,937 975 962 N 646 Q Q Q
50 or More ..................................... 2,748 2,344 1,262 1,081 N 404 Q Q Q
Number of Photocopiers
None .............................................. 18,526 15,697 5,820 8,036 1,841 2,830 Q 566 1,630
One ................................................ 15,475 12,917 6,962 5,881 Q 2,557 Q 752 1,483
2 to 4 .............................................. 15,082 10,222 5,091 5,131 N 4,860 Q 1,199 3,527
5 to 9 .............................................. 5,515 3,124 1,737 1,388 N 2,391 Q 773 1,492
10 or More ..................................... 10,185 7,461 3,982 3,478 N 2,724 739 518 1,467
Energy-Related Space Functions
(more than one may apply)
Commercial Food Preparation ........ 22,223 14,478 7,694 6,740 Q 7,746 674 976 6,096
Activities with Large
 Amounts of Hot Water .................. 19,482 12,990 6,200 6,744 Q 6,492 630 1,274 4,589
Separate Computer Area ............... 26,873 17,092 8,862 8,196 Q 9,781 996 2,064 6,720
HVAC Conservation Features
(more than one may apply)
Variable Air-Volume System ......... 19,597 13,196 6,873 6,088 Q 6,401 569 1,892 3,941
Economizer Cycle .......................... 21,108 14,155 7,269 6,730 Q 6,953 753 2,093 4,108
HVAC Maintenance ....................... 51,163 37,125 18,712 17,826 587 14,039 1,868 3,523 8,648
Energy Management and
 Control System (EMCS) ................ 15,630 8,641 4,651 3,844 Q 6,989 524 1,782 4,683
Window and Interior Lighting
Features (more than one
may apply)
Multipaned Windows ..................... 38,910 29,309 15,206 13,582 522 9,600 846 2,246 6,509
Tinted Window Glass .................... 29,887 22,272 10,920 10,517 835 7,615 1,491 1,850 4,274
Reflective Window Glass .............. 8,544 6,782 3,174 3,495 Q 1,762 Q 311 1,157
External Overhangs
 or Awnings ................................... 17,242 13,668 6,840 6,659 Q 3,574 259 983 2,332
Skylights or Atriums ....................... 12,546 8,961 4,997 3,900 Q 3,585 394 808 2,383
Daylighting Sensors ....................... 2,868 2,020 952 1,040 Q 848 Q Q 534
Specular Reflectors ....................... 26,118 18,580 9,742 8,568 Q 7,538 1,414 1,730 4,394
Electronic Ballasts ......................... 46,882 34,000 17,281 16,360 Q 12,882 1,747 3,201 7,933
Energy Management and
 Control System (EMCS)
 for Lighting .................................... 4,781 3,370 1,846 1,524 N 1,411 Q Q 1,137
Equipment Usage Reduced
When Building Not In Full Use
(more than one may apply)a
Heating ........................................... 42,722 31,594 16,247 14,526 821 11,128 948 2,424 7,756
Cooling ........................................... 43,205 32,135 16,719 15,007 Q 11,070 959 2,599 7,512
Lighting .......................................... 46,987 34,378 17,600 16,778 N 12,609 1,284 3,154 8,172
Office Equipment ........................... 19,397 13,287 7,170 5,935 Q 6,110 Q 1,141 4,380
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.gov/consumption/commercial/.
 * 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.
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.