Released: June 2006
Next CBECS will be conducted in 2007

Table B7. Building Size, Floorspace for Non-Mall Buildings, 2003
  Total Floorspace (million square feet)
All
Buildings*
Building Size
1,001 to
5,000 Square Feet
5,001 to
10,000 Square Feet
10,000 to
25,000  Square Feet
25,001 to
50,000 Square
Feet
50,001 to 100,000 Square Feet 100,001 to 200,000 Square
Feet
200,001 to 500,000 Square
Feet
Over 500,000 Square Feet
All Buildings* ............................... 64,783 6,789 6,585 11,535 8,668 9,057 9,064 7,176 5,908
Principal Building Activity
Education ....................................... 9,874 409 399 931 1,756 2,690 2,167 1,420 Q
Food Sales ..................................... 1,255 409 356 Q Q Q Q N N
Food Service ................................. 1,654 544 442 345 Q Q N Q N
Health Care .................................... 3,163 165 280 313 157 364 395 514 973
  Inpatient ....................................... 1,905 N N Q Q Q Q 467 973
  Outpatient .................................... 1,258 165 280 312 Q 206 Q Q N
Lodging .......................................... 5,096 99 160 631 803 841 930 1,185 Q
Retail (Other Than Mall).................. 4,317 638 725 1,284 578 Q 524 Q Q
Office ............................................. 12,208 1,382 938 1,887 1,506 1,209 1,428 1,493 2,365
Public Assembly ............................ 3,939 336 518 1,077 301 474 868 Q Q
Public Order and Safety ................ 1,090 122 Q Q Q Q Q Q Q
Religious Worship .......................... 3,754 416 744 1,235 930 Q Q Q N
Service .......................................... 4,050 1,034 722 1,021 560 Q Q Q Q
Warehouse and Storage ............... 10,078 895 868 2,064 1,043 1,494 1,162 1,322 Q
Other .............................................. 1,738 Q Q Q Q Q Q Q Q
Vacant ........................................... 2,567 239 Q Q 471 Q Q Q Q
Year Constructed
Before 1920 ................................... 3,769 490 502 804 677 491 Q Q Q
1920 to 1945 .................................. 6,871 796 827 988 838 641 704 1,288 790
1946 to 1959 .................................. 7,045 860 643 1,421 935 927 1,148 569 541
1960 to 1969 .................................. 8,101 690 865 1,460 1,234 1,483 1,039 947 382
1970 to 1979 .................................. 10,772 966 1,332 1,869 1,720 1,146 1,411 1,243 1,085
1980 to 1989 .................................. 10,332 1,149 721 1,647 1,174 1,390 1,496 1,237 1,518
1990 to 1999 .................................. 12,360 1,324 1,209 2,388 1,352 2,058 1,934 984 1,111
2000 to 2003 .................................. 5,533 515 486 958 739 921 1,060 609 Q
Census Region
Northeast ....................................... 12,905 1,025 1,123 1,972 1,292 2,040 2,117 1,781 1,556
Midwest ......................................... 17,080 1,895 1,565 3,098 2,567 2,260 2,296 2,196 1,203
South ............................................. 23,489 2,533 2,658 4,378 3,168 3,435 3,475 1,914 1,928
West .............................................. 11,310 1,336 1,239 2,087 1,643 1,322 1,177 1,286 1,221
Climate Zone: 30-Year Average
Under 2,000 CDD and --
  More than 7,000 HDD ................... 10,622 1,307 1,197 2,235 1,451 1,295 1,206 1,115 815
  5,500-7,000 HDD ......................... 17,335 1,673 1,633 3,140 2,282 2,549 2,652 1,943 1,463
  4,000-5,499 HDD ......................... 11,504 1,005 964 1,421 1,272 1,823 1,761 1,619 1,639
  Fewer than 4,000 HDD ................ 15,739 1,862 1,907 2,865 2,105 2,063 2,286 1,552 1,098
2,000 CDD or More and --
  Fewer than 4,000 HDD ................ 9,584 942 884 1,874 1,558 1,327 1,160 947 893
Number of Floors
One ................................................ 25,981 5,192 4,150 6,160 3,296 3,187 2,159 1,134 Q
Two ............................................... 16,270 1,217 1,814 3,966 2,772 2,456 1,896 1,775 Q
Three ............................................. 7,501 343 504 1,115 1,631 1,481 1,418 730 Q
Four to Nine ................................... 10,085 Q Q 292 964 1,822 3,150 2,186 1,516
Ten or More ................................... 4,947 N N Q Q Q 442 1,350 3,036
Elevators and Escalators
(more than one may apply)
Any Elevators ................................ 24,617 Q 228 1,052 2,917 4,066 5,705 5,566 5,026
Number of Elevators
  One .............................................. 8,221 Q 228 996 2,193 2,001 1,541 1,066 Q
  Two to Five .................................. 10,129 N N Q 714 2,041 3,990 2,670 Q
  Six or More .................................. 6,268 N N Q Q Q Q 1,830 4,218
Any Escalators .............................. 2,350 N Q Q N Q Q 415 1,708
Number of Workers (main shift)
Fewer than 5 ................................. 15,492 4,659 3,323 4,006 1,222 704 804 Q Q
5 to 9 .............................................. 6,166 1,264 1,373 2,075 836 291 Q Q N
10 to 19 .......................................... 7,803 689 1,109 2,456 1,327 1,157 Q Q N
20 to 49 .......................................... 10,989 155 689 2,113 2,920 2,865 1,558 533 Q
50 to 99 .......................................... 7,934 Q Q 692 1,648 2,151 2,014 1,077 Q
100 to 249 ...................................... 6,871 Q Q Q 667 1,518 2,455 1,706 Q
250 or More ................................... 9,528 N N N Q 371 1,452 2,571 5,087
Weekly Operating Hours
Fewer than 40 ............................... 6,863 1,740 1,289 1,464 727 599 544 Q Q
40 to 48 .......................................... 11,622 1,665 1,751 2,623 1,710 1,802 1,256 507 Q
49 to 60 .......................................... 15,723 1,444 1,465 3,210 2,566 2,255 1,809 1,651 1,324
61 to 84 .......................................... 10,334 727 851 2,095 1,817 1,297 1,791 887 869
85 to 167 ........................................ 7,092 569 653 827 616 1,496 1,499 1,102 Q
Open Continuously ........................ 13,149 644 577 1,316 1,232 1,608 2,166 2,624 2,982
Ownership and Occupancy
Nongovernment Owned ................ 49,421 6,043 5,827 9,738 6,659 5,779 5,958 4,803 4,613
  Owner Occupied ......................... 23,591 2,682 2,858 5,028 3,197 2,464 2,919 2,048 2,396
  Nonowner Occupied ................... 23,914 3,162 2,791 4,530 3,141 2,951 2,714 2,408 2,217
  Unoccupied .................................. 1,916 199 Q Q Q Q Q Q N
Government Owned ...................... 15,363 746 758 1,797 2,009 3,278 3,106 2,373 1,295
  Federal ......................................... 1,956 Q Q Q Q Q Q 545 606
  State ............................................ 3,808 206 Q 604 531 620 1,142 408 Q
  Local ............................................ 9,599 498 620 1,044 1,327 2,557 1,644 1,420 Q
Vacancy Status
Completely Vacant ......................... 2,161 223 Q Q Q Q Q Q Q
Mostly Vacant ................................ 406 Q Q Q Q Q Q N N
Partially Vacant .............................. 12,382 738 706 1,646 1,310 1,563 1,681 1,943 2,795
Not At All Vacant ........................... 49,834 5,813 5,671 9,611 6,888 7,031 6,959 4,845 3,017
Number of Establishments
One ................................................ 45,144 5,613 5,304 9,098 5,807 6,218 6,102 4,246 2,756
2 to 5 .............................................. 10,960 916 1,031 1,732 1,837 1,739 1,545 1,361 800
6 to 10 ............................................ 1,958 Q Q 383 355 273 539 Q Q
11 to 20 .......................................... 1,951 Q N Q Q 337 Q 389 Q
More than 20 .................................. 2,609 N Q Q Q Q Q 531 1,522
Currently Unoccupied .................... 2,161 223 Q Q Q Q Q Q Q
Predominant Exterior
Wall Material
Brick, Stone or Stucco ................... 32,817 2,735 3,103 6,047 4,841 5,038 4,865 3,800 2,387
Concrete (Block or Poured) ........... 10,832 1,137 937 1,976 1,551 1,830 1,665 1,252 485
Concrete Panels ............................ 6,559 90 185 367 787 860 1,429 1,142 1,699
Siding or Shingles .......................... 4,120 1,412 862 826 419 Q Q Q Q
Metal Panels ................................... 7,912 1,280 1,388 2,149 950 721 518 Q Q
Window Glass ............................... 1,024 Q Q Q Q Q Q Q Q
Other .............................................. 1,113 Q Q Q Q Q Q Q Q
No One Major Type ........................ 406 Q Q Q Q Q Q Q Q
Predominant Roof Material
Built-Up .......................................... 21,170 1,296 1,429 2,814 3,216 3,566 3,320 2,386 3,143
Shingles (Not Wood) ...................... 10,195 2,213 1,688 2,686 1,623 579 486 761 Q
Metal Surfacing .............................. 11,944 1,997 2,024 3,508 1,500 1,348 909 Q Q
Synthetic or Rubber ....................... 14,730 580 772 1,494 1,511 2,662 3,134 2,668 1,909
Slate or Tile .................................... 2,462 397 378 561 429 307 Q Q Q
Wooden Materials .......................... 887 213 Q Q Q Q Q Q N
Concrete ........................................ 2,231 Q Q Q Q Q Q Q Q
Other .............................................. 598 Q Q Q Q Q Q Q Q
No One Major Type ........................ 565 Q Q Q Q Q Q Q Q
Renovations in Buildings
Constructed Before 1980
(more than one may apply)
Any Type of Renovation
 Since 1980 .................................... 17,844 1,283 1,640 2,684 2,826 2,495 2,584 2,260 2,072
   Addition or Annex ....................... 6,551 288 379 684 1,000 1,121 1,250 825 1,004
   Reduction In Floorspace ............. 1,012 Q Q Q Q Q Q Q Q
   Cosmetic Improvements .............. 13,119 959 1,148 2,072 1,993 1,841 1,900 1,709 1,497
   Wall or Roof Replacement .......... 8,070 431 746 975 1,024 990 1,271 1,271 1,363
   Interior Wall
    Re-Configuration ........................ 8,518 537 644 1,210 968 1,045 1,338 1,323 1,454
   HVAC Equipment Upgrade .......... 10,768 461 714 1,548 1,564 1,551 1,644 1,664 1,622
   Lighting Upgrade ......................... 10,275 489 715 1,568 1,360 1,489 1,702 1,510 1,442
   Window Replacement ................. 6,354 366 507 987 862 998 938 865 830
   Plumbing System Upgrade .......... 7,144 326 563 1,045 811 878 1,163 1,163 1,193
   Insulation Upgrade ...................... 4,015 334 306 582 562 511 493 690 536
   Other Renovation ........................ 523 Q Q Q Q Q Q Q Q
No Renovations Since 1980 .......... 18,714 2,518 2,529 3,858 2,577 2,194 1,991 2,086 961
Building Newer than 1980 ............. 28,225 2,988 2,416 4,993 3,265 4,369 4,489 2,831 2,875
Energy Sources (more than
one may apply)
Electricity ....................................... 63,307 6,346 6,197 11,370 8,385 9,031 9,018 7,051 5,908
Natural Gas .................................... 43,468 3,084 3,692 7,053 6,025 6,683 6,645 5,679 4,606
Fuel Oil ........................................... 15,157 600 716 966 825 1,740 2,927 3,400 3,981
District Heat ................................... 5,443 Q Q 289 369 574 1,399 1,018 1,693
District Chilled Water ...................... 2,853 Q Q Q 240 332 793 495 822
Propane ......................................... 7,076 806 725 1,014 638 925 989 1,165 Q
Other .............................................. 1,401 199 Q Q Q Q Q Q Q
Energy End Uses (more than
one may apply)
Buildings with Space Heating ........ 60,028 5,668 5,786 10,387 8,060 8,718 8,710 6,907 5,792
Buildings with Cooling .................... 56,940 5,007 5,408 9,922 7,776 8,331 8,339 6,565 5,591
Buildings with Water Heating ......... 56,478 4,759 5,348 9,562 7,734 8,412 8,300 6,680 5,683
Buildings with Cooking ................... 22,237 997 1,136 1,954 2,511 3,575 3,991 4,047 4,025
Buildings with Manufacturing ........ 3,138 Q 214 472 Q 540 473 605 Q
Buildings with Electricity
 Generation .................................... 12,821 Q Q 491 662 1,921 2,877 2,977 3,694
Percent of Floorspace Heated
Not Heated ..................................... 4,756 1,121 799 1,148 608 Q Q Q Q
1 to 50 ............................................ 6,850 738 889 1,742 842 916 703 Q Q
51 to 99 .......................................... 8,107 731 724 1,420 941 926 779 1,168 1,418
100 ................................................. 45,071 4,198 4,173 7,225 6,278 6,877 7,228 5,404 3,688
Percent of Floorspace Cooled
Not Cooled ..................................... 7,843 1,782 1,177 1,612 893 726 725 Q Q
1 to 50 ............................................ 16,598 1,206 1,704 3,517 2,369 2,926 1,984 1,822 Q
51 to 99 .......................................... 13,211 781 995 2,034 1,479 1,751 1,954 2,057 2,159
100 ................................................. 27,132 3,021 2,710 4,372 3,928 3,654 4,402 2,685 2,360
Percent Lit When Open
Zero ............................................... 293 Q Q Q Q Q N Q N
1 to 50 ............................................ 10,203 1,372 1,124 2,810 1,705 1,146 1,025 Q Q
51 to 99 .......................................... 18,288 1,482 1,671 3,179 2,807 2,570 2,442 2,389 1,748
100 ................................................. 32,789 3,158 3,233 5,173 3,702 4,903 5,187 3,985 3,448
Building Never Open/
 Electricity Not Used ....................... 3,210 665 521 Q Q Q Q Q Q
Percent Lit When Closed
Zero ............................................... 17,385 3,057 2,782 4,211 2,271 2,088 1,654 1,059 Q
1 to 50 ............................................ 30,948 2,529 2,785 5,545 4,713 4,960 4,909 3,195 2,312
51 to 100 ........................................ 2,093 237 Q 314 Q 374 316 Q Q
Building Never Closed/
 Electricity Not Used ....................... 14,357 965 895 1,465 1,481 1,634 2,185 2,749 2,982
Heating Equipment (more
than one may apply)
Heat Pumps .................................... 8,814 685 462 1,400 1,150 1,524 1,245 1,295 1,053
  Packaged Heat Pumps ................. 5,442 400 286 784 740 878 829 671 854
  Split-System Heat Pumps ............. 2,581 257 Q 487 339 467 Q Q Q
  Individual Room Heat Pumps ........ 2,691 Q Q 255 322 535 499 710 Q
Furnaces ....................................... 19,615 2,902 2,891 4,653 2,761 2,086 1,974 1,456 891
Individual Space Heaters ............... 12,545 1,047 1,282 2,129 1,748 1,819 1,625 1,313 1,582
District Heat ................................... 5,166 Q Q 289 325 549 1,365 1,010 1,528
Boilers ............................................ 20,423 461 773 2,164 2,829 3,497 4,283 3,844 2,573
Packaged Heating Units ................. 18,021 1,159 1,599 2,765 2,449 3,328 2,797 2,156 1,769
Other .............................................. 3,262 330 Q 456 419 450 Q 514 Q
Cooling Equipment (more
than one may apply)
Residential-Type Central
 Air Conditioners ............................ 11,035 1,568 1,523 2,173 1,683 1,388 993 1,136 569
Heat Pumps .................................... 9,041 675 563 1,441 1,155 1,440 1,158 1,273 1,334
  Packaged Heat Pumps ................. 5,426 392 369 847 693 830 792 654 849
  Split-System Heat Pumps ............. 2,606 255 Q 481 377 432 Q Q Q
  Individual Room Heat Pumps ........ 2,940 Q Q 255 335 506 449 714 612
Individual Air Conditioners ............. 12,558 972 1,012 1,740 2,301 1,958 2,259 1,223 1,095
District Chilled Water ...................... 2,853 Q Q Q 240 332 793 495 822
Central Chillers ............................... 11,636 Q Q 456 729 1,722 2,366 3,023 3,278
Packaged Air Conditioning
 Units .............................................. 29,969 1,957 2,741 5,260 4,264 4,732 4,504 3,834 2,678
Swamp Coolers ............................. 1,561 179 207 378 Q Q Q Q Q
Other .............................................. 1,232 Q Q Q Q Q Q Q Q
Main Equipment Replaced Since
1990 (more than one may apply)
Heating ........................................... 16,403 1,645 1,733 3,440 2,811 2,363 1,735 1,541 1,134
Cooling ........................................... 20,995 1,781 2,122 3,924 3,192 2,895 2,593 2,396 2,091
Lighting Equipment Types
(more than one may apply)
Incandescent ................................. 38,528 2,918 3,061 6,424 5,176 5,296 6,042 4,913 4,698
Standard Fluorescent .................... 59,688 5,579 5,726 10,458 8,001 8,667 8,612 6,839 5,806
Compact Fluorescent ..................... 27,571 1,123 1,109 2,944 3,662 4,330 5,268 4,610 4,526
High Intensity Discharge ................ 20,643 312 686 1,721 2,191 3,646 4,349 3,918 3,819
Halogen .......................................... 17,703 604 781 1,973 2,013 2,599 3,473 2,775 3,485
Other .............................................. 269 Q Q Q N Q Q Q Q
Refrigeration Equipment
(more than one may apply)a
Any Refrigeration........................... 52,974 4,333 4,738 8,646 7,068 8,038 8,096 6,238 5,816
  Commercial Refrigeration ............. 26,768 1,310 1,406 2,230 2,829 4,291 5,116 4,606 4,979
    Walk-In Units .............................. 20,254 916 909 1,188 1,626 3,124 4,148 4,199 4,146
    Cases or Cabinets ..................... 20,424 1,100 1,116 1,893 2,185 2,978 3,890 3,270 3,991
  Residential-Type Units ................. 38,884 3,174 3,609 6,725 5,289 5,760 5,667 4,524 4,136
  Vending Machines ....................... 35,335 830 1,407 4,072 4,910 6,342 6,578 5,691 5,506
No Refrigeration ............................. 11,809 2,456 1,847 2,889 1,600 1,019 968 938 Q
Office Equipment (more
than one may apply)
Computers ..................................... 55,627 3,950 4,777 9,418 7,966 8,680 8,262 6,759 5,816
  With Flat Screen Monitors ............ 26,417 861 1,312 3,027 3,385 3,765 4,501 4,861 4,704
Dedicated Servers ......................... 36,338 1,211 1,579 4,642 4,871 6,200 6,295 6,091 5,448
Laser Printers ................................ 33,012 2,565 3,033 6,052 5,190 5,342 4,518 3,527 2,785
Inkjet Printers ................................. 32,210 1,648 2,174 4,979 4,581 5,171 5,083 4,041 4,534
FAX Machines ............................... 52,373 3,443 4,077 8,408 7,442 8,424 8,266 6,498 5,816
Photocopiers .................................. 46,257 2,066 3,101 6,993 6,772 7,669 7,949 6,358 5,349
Number of Computers
None .............................................. 9,156 2,839 1,808 2,117 702 377 Q Q Q
1 to 4 .............................................. 12,395 2,660 2,707 3,643 1,296 904 799 Q N
5 to 9 .............................................. 7,179 706 1,019 2,035 1,284 1,109 511 Q Q
10 to 19 .......................................... 6,610 475 556 1,420 1,427 1,208 983 Q Q
20 to 49 .......................................... 7,414 Q 487 1,498 1,850 1,291 1,015 849 Q
50 to 99 .......................................... 5,376 Q Q 659 1,218 1,420 880 784 Q
100 to 249 ...................................... 6,690 Q N Q 823 2,180 1,943 1,228 Q
250 or More ................................... 9,963 N N N Q 568 2,129 2,828 4,370
Number of Dedicated Servers
None .............................................. 28,445 5,578 5,006 6,893 3,798 2,857 2,769 1,085 Q
1 to 4 .............................................. 24,116 1,189 1,478 4,173 4,034 4,810 4,085 3,426 921
5 to 9 .............................................. 3,864 Q Q Q 451 744 764 667 874
10 to 19 .......................................... 3,027 Q Q Q Q 370 725 878 767
20 to 49 .......................................... 2,583 N N Q Q Q 523 475 1,103
50 or More ..................................... 2,748 N N Q Q Q Q 645 1,783
Number of Photocopiers
None .............................................. 18,526 4,723 3,484 4,542 1,897 1,388 1,115 Q Q
One ................................................ 15,475 1,621 2,196 4,169 2,706 2,118 1,525 897 Q
2 to 4 .............................................. 15,082 411 846 2,373 3,006 3,529 3,129 1,402 Q
5 to 9 .............................................. 5,515 Q Q 360 636 1,037 1,526 1,600 Q
10 or More ..................................... 10,185 N N Q 425 985 1,770 2,459 4,456
Energy-Related Space Functions
(more than one may apply)
Commercial Food Preparation ........ 22,223 996 1,136 1,954 2,500 3,575 3,991 4,047 4,025
Activities with Large
 Amounts of Hot Water .................. 19,482 456 1,021 1,865 2,506 3,183 3,754 3,393 3,303
Separate Computer Area ............... 26,873 361 608 2,211 3,365 4,857 5,204 5,175 5,092
HVAC Conservation Features
(more than one may apply)
Variable Air-Volume System ......... 19,597 466 583 1,492 2,059 3,184 4,173 3,848 3,792
Economizer Cycle .......................... 21,108 509 593 1,618 2,180 3,419 4,655 4,244 3,891
HVAC Maintenance ....................... 51,163 3,363 3,770 7,883 7,144 7,984 8,448 6,822 5,749
Energy Management and
 Control System (EMCS) ................ 15,630 166 197 850 1,493 2,629 3,682 3,079 3,532
Window and Interior Lighting
Features (more than one
may apply)
Multipaned Windows ..................... 38,910 2,978 3,265 6,589 5,040 5,692 6,386 4,645 4,315
Tinted Window Glass .................... 29,887 1,580 2,211 4,134 3,633 4,413 4,880 4,559 4,477
Reflective Window Glass .............. 8,544 387 309 986 967 979 1,588 1,565 1,763
External Overhangs
 or Awnings ................................... 17,242 1,709 1,946 3,208 2,551 2,109 2,473 2,044 1,203
Skylights or Atriums ....................... 12,546 351 406 1,095 1,443 2,080 2,360 2,794 2,016
Daylighting Sensors ....................... 2,868 Q Q Q 206 376 445 675 744
Specular Reflectors ....................... 26,118 1,010 1,175 2,856 3,599 3,603 4,186 4,932 4,758
Electronic Ballasts ......................... 46,882 3,450 3,896 6,942 6,331 7,158 7,105 6,450 5,550
Energy Management and
 Control System (EMCS)
 for Lighting .................................... 4,781 Q Q Q 405 601 892 1,126 1,519
Equipment Usage Reduced
When Building Not In Full Use
(more than one may apply)a
Heating ........................................... 42,722 4,120 4,041 7,629 5,654 6,193 5,841 4,918 4,325
Cooling ........................................... 43,205 3,819 3,979 7,515 6,038 6,185 6,088 5,236 4,346
Lighting .......................................... 46,987 5,331 5,358 9,553 6,830 6,792 6,346 4,012 2,765
Office Equipment ........................... 19,397 2,164 2,319 4,276 3,124 2,917 2,504 1,701 Q
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.