Released: June 2006
Next CBECS will be conducted in 2007

Table B39. Heating Equipment, Floorspace for Non-Mall Buildings, 2003
  Total Floorspace (million square feet)
All Buildings* Heated Buildings Heating Equipment (more than one may apply)
Heat
Pumps
Furnaces Individual
Space
Heaters
District
Heat
Boilers Packaged
Heating
Units
Other
All Buildings* ............................... 64,783 60,028 8,814 19,615 12,545 5,166 20,423 18,021 3,262
Building Floorspace
(Square Feet)
1,001 to 5,000 ................................ 6,789 5,668 685 2,902 1,047 Q 461 1,159 330
5,001 to 10,000 .............................. 6,585 5,786 462 2,891 1,282 Q 773 1,599 Q
10,001 to 25,000 ............................ 11,535 10,387 1,400 4,653 2,129 289 2,164 2,765 456
25,001 to 50,000 ............................ 8,668 8,060 1,150 2,761 1,748 325 2,829 2,449 419
50,001 to 100,000 .......................... 9,057 8,718 1,524 2,086 1,819 549 3,497 3,328 450
100,001 to 200,000 ........................ 9,064 8,710 1,245 1,974 1,625 1,365 4,283 2,797 Q
200,001 to 500,000 ........................ 7,176 6,907 1,295 1,456 1,313 1,010 3,844 2,156 514
Over 500,000 ................................. 5,908 5,792 1,053 891 1,582 1,528 2,573 1,769 Q
Principal Building Activity
Education ....................................... 9,874 9,755 1,787 1,855 1,500 1,106 5,171 2,596 Q
Food Sales ..................................... 1,255 1,131 Q 567 Q N Q 422 Q
Food Service ................................. 1,654 1,608 168 675 186 Q 328 591 Q
Health Care .................................... 3,163 3,100 641 786 600 410 1,857 942 Q
  Inpatient ....................................... 1,905 1,905 424 386 409 353 1,477 672 Q
  Outpatient .................................... 1,258 1,195 217 400 191 Q 380 270 Q
Lodging .......................................... 5,096 4,994 1,183 1,065 1,462 Q 2,773 1,356 Q
Retail (Other Than Mall).................. 4,317 4,075 444 2,049 667 Q 383 1,397 Q
Office ............................................. 12,208 11,929 1,795 2,405 2,186 1,526 4,117 3,754 970
Public Assembly ............................ 3,939 3,777 409 1,028 677 530 1,421 879 Q
Public Order and Safety ................ 1,090 1,083 Q 260 Q Q 437 328 Q
Religious Worship .......................... 3,754 3,581 577 1,945 875 Q 1,148 733 Q
Service .......................................... 4,050 3,687 457 1,974 1,010 Q 791 957 393
Warehouse and Storage ............... 10,078 8,126 913 3,757 2,457 Q 1,031 3,118 Q
Other .............................................. 1,738 1,691 Q 700 311 Q 546 498 Q
Vacant ........................................... 2,567 1,491 Q 550 Q Q Q Q Q
Year Constructed
Before 1920 ................................... 3,769 3,667 Q 1,350 782 Q 1,926 390 Q
1920 to 1945 .................................. 6,871 6,236 622 2,085 1,427 1,203 2,744 979 Q
1946 to 1959 .................................. 7,045 6,534 848 2,475 1,442 661 3,081 1,422 Q
1960 to 1969 .................................. 8,101 7,510 827 2,346 1,469 786 2,957 1,993 242
1970 to 1979 .................................. 10,772 10,223 1,378 3,612 2,393 573 3,339 3,443 779
1980 to 1989 .................................. 10,332 9,808 2,018 2,418 1,799 780 2,803 3,816 641
1990 to 1999 .................................. 12,360 11,254 1,974 3,971 2,433 691 2,257 4,067 814
2000 to 2003 .................................. 5,533 4,796 999 1,359 800 Q 1,316 1,911 401
Census Region
Northeast ....................................... 12,905 12,596 1,213 3,596 2,786 1,245 6,228 2,912 579
Midwest ......................................... 17,080 16,331 1,058 7,229 4,169 1,623 6,141 3,666 820
South ............................................. 23,489 20,998 4,942 5,715 3,608 1,683 4,393 8,130 1,381
West .............................................. 11,310 10,102 1,600 3,075 1,981 615 3,662 3,312 481
Climate Zone: 30-Year Average
Under 2,000 CDD and --
  More than 7,000 HDD ................... 10,622 10,109 727 4,587 3,014 801 4,060 2,126 816
  5,500-7,000 HDD ......................... 17,335 16,720 1,471 6,411 3,582 1,749 6,835 3,708 674
  4,000-5,499 HDD ......................... 11,504 11,239 1,971 2,648 2,524 1,266 4,693 3,204 497
  Fewer than 4,000 HDD ................ 15,739 13,965 3,283 4,313 2,569 918 3,334 5,619 525
2,000 CDD or More and --
  Fewer than 4,000 HDD ................ 9,584 7,995 1,361 1,658 856 432 1,500 3,365 750
Number of Floors
One ................................................ 25,981 22,744 3,440 9,476 4,914 Q 3,267 8,267 1,236
Two ............................................... 16,270 15,408 2,146 6,368 2,908 501 5,116 4,671 874
Three ............................................. 7,501 7,198 1,139 2,231 1,709 385 3,856 1,822 Q
Four to Nine ................................... 10,085 9,744 1,146 1,054 2,087 2,350 5,793 1,987 426
Ten or More ................................... 4,947 4,933 943 Q 927 1,298 2,391 1,273 502
Number of Workers (main shift)
Fewer than 5 ................................. 15,492 12,182 1,196 5,347 2,782 Q 1,986 2,269 544
5 to 9 .............................................. 6,166 5,822 647 3,043 938 Q 1,140 1,571 Q
10 to 19 .......................................... 7,803 7,410 932 3,057 1,542 Q 1,884 2,209 394
20 to 49 .......................................... 10,989 10,822 1,460 3,814 2,364 653 3,588 3,526 799
50 to 99 .......................................... 7,934 7,650 1,398 1,899 1,628 460 3,556 2,835 372
100 to 249 ...................................... 6,871 6,766 1,513 1,290 1,300 972 3,401 2,736 Q
250 or More ................................... 9,528 9,376 1,668 1,165 1,991 2,063 4,869 2,874 808
Weekly Operating Hours
Fewer than 40 ............................... 6,863 5,246 550 2,374 1,106 Q 1,023 1,058 239
40 to 48 .......................................... 11,622 10,928 1,623 3,978 2,013 493 3,381 3,119 479
49 to 60 .......................................... 15,723 14,763 1,910 4,950 3,172 1,576 4,113 4,185 949
61 to 84 .......................................... 10,334 10,012 1,545 3,426 1,810 760 3,491 2,806 804
85 to 167 ........................................ 7,092 6,680 818 1,989 1,476 773 1,974 2,690 Q
Open Continuously ........................ 13,149 12,399 2,367 2,899 2,969 1,384 6,441 4,163 449
Multibuilding Facility
Not Part of a Multibuilding
 Facility ........................................... 40,048 37,438 4,995 14,226 7,979 1,144 11,924 12,056 1,874
College or University ...................... 3,480 3,456 324 Q 279 1,977 1,175 440 Q
Primary or Secondary School ........ 3,947 3,910 911 818 637 Q 1,691 1,168 Q
Office Complex .............................. 2,712 2,665 455 212 626 Q 1,055 992 Q
Retail Complex ............................... 1,238 941 Q 422 271 N Q 280 Q
Religious Campus or Complex ....... 2,347 2,245 320 731 302 Q 988 406 Q
Health Care Complex ..................... 2,303 2,231 543 489 413 409 1,551 655 Q
Lodging or Resort Complex ........... 912 830 251 Q 380 Q 356 302 Q
Government Complex .................... 2,014 1,987 Q 319 273 Q 610 463 Q
Other .............................................. 5,783 4,325 696 2,019 1,384 Q 1,024 1,259 568
Renovations in Buildings
Constructed Before 1980
(more than one may apply)
Any Type of Renovation
 Since 1980 .................................... 17,844 17,204 2,367 5,768 4,345 1,644 8,140 5,138 548
   Addition or Annex ....................... 6,551 6,439 1,187 2,481 1,627 435 3,417 1,982 Q
   Reduction In Floorspace ............. 1,012 1,012 Q Q Q Q 698 Q Q
   Cosmetic Improvements .............. 13,119 12,739 1,687 4,128 3,186 1,169 6,277 3,773 346
   Wall or Roof Replacement .......... 8,070 7,919 1,141 2,258 2,080 833 4,224 2,478 Q
   Interior Wall
    Re-Configuration ........................ 8,518 8,385 1,144 2,539 2,330 1,007 4,470 2,668 Q
   HVAC Equipment Upgrade .......... 10,768 10,634 1,765 3,438 2,925 1,262 5,534 3,539 361
   Lighting Upgrade ......................... 10,275 10,049 1,441 2,892 2,563 1,283 5,421 3,036 288
   Window Replacement ................. 6,354 6,157 788 1,973 1,680 686 3,361 1,763 Q
   Plumbing System Upgrade .......... 7,144 6,988 1,042 2,063 1,891 924 3,891 2,293 Q
   Insulation Upgrade ...................... 4,015 3,974 516 1,664 1,192 351 1,735 1,526 Q
   Other Renovation ........................ 523 497 Q Q Q Q 302 Q N
No Renovations Since 1980 .......... 18,714 16,967 1,456 6,100 3,167 1,862 5,907 3,089 859
Building Newer than 1980 ............. 28,225 25,857 4,991 7,747 5,032 1,660 6,376 9,794 1,856
Energy Sources (more than
one may apply)
Electricity ....................................... 63,307 59,991 8,814 19,604 12,540 5,166 20,423 18,021 3,242
Natural Gas .................................... 43,468 42,974 5,552 15,304 8,969 2,291 18,174 13,618 1,801
Fuel Oil ........................................... 15,157 14,942 2,417 3,330 3,236 1,592 8,930 3,862 1,095
District Heat ................................... 5,443 5,378 413 Q 605 5,166 Q 589 Q
District Chilled Water ...................... 2,853 2,734 Q Q Q 2,231 391 370 Q
Propane ......................................... 7,076 6,790 944 2,831 1,968 Q 1,949 1,983 599
Other .............................................. 1,401 1,399 Q 617 448 Q 613 296 405
Space-Heating Energy Sources
(more than one may apply)
Electricity ....................................... 28,600 28,600 8,688 8,653 9,838 1,088 7,766 11,947 2,139
Natural Gas .................................... 36,959 36,959 4,643 14,562 7,947 486 16,417 12,283 1,524
Fuel Oil ........................................... 5,988 5,988 295 1,827 1,438 Q 4,355 593 265
District Heat ................................... 5,198 5,198 413 Q 560 5,166 Q 528 Q
Propane ......................................... 3,204 3,204 516 1,946 1,178 Q 761 833 443
Other .............................................. 842 842 Q 435 317 N 286 Q 384
Primary Space-Heating
Energy Source
Electricity ....................................... 15,996 15,996 4,812 3,655 3,736 Q 2,115 6,767 1,286
Natural Gas .................................... 32,970 32,970 3,430 13,476 6,907 Q 15,138 10,115 1,275
Fuel Oil ........................................... 3,818 3,818 Q 1,153 739 N 2,714 Q Q
District Heat ................................... 4,907 4,907 388 Q 533 4,875 Q 466 Q
Propane ......................................... 1,955 1,955 Q 1,140 522 Q Q 469 Q
Other .............................................. 382 382 Q Q Q N Q Q Q
Energy End Uses (more than
one may apply)
Buildings with Space Heating ........ 60,028 60,028 8,814 19,615 12,545 5,166 20,423 18,021 3,262
Buildings with Cooling .................... 56,940 55,188 8,780 17,494 11,526 4,376 19,051 17,745 2,961
Buildings with Water Heating ......... 56,478 55,154 8,390 17,920 11,659 4,354 19,904 16,821 3,031
Buildings with Cooking ................... 22,237 21,725 4,202 5,351 4,804 1,747 11,586 7,112 868
Buildings with Manufacturing ........ 3,138 3,072 293 1,486 1,087 Q 1,145 1,087 Q
Buildings with Electricity
 Generation .................................... 12,821 12,635 2,580 2,377 2,750 1,953 6,863 4,166 915
Percent of Floorspace Heated
Not Heated ..................................... 4,756 N N N N N N N N
1 to 50 ............................................ 6,850 6,850 670 2,852 2,055 Q 792 2,390 279
51 to 99 .......................................... 8,107 8,107 1,497 2,597 1,943 631 3,110 2,546 476
100 ................................................. 45,071 45,071 6,647 14,165 8,547 4,509 16,521 13,085 2,507
Heating Equipment (more
than one may apply)
Heat Pumps .................................... 8,814 8,814 8,814 2,117 1,861 413 2,787 3,069 358
  Packaged Heat Pumps ................. 5,442 5,442 5,442 1,125 1,114 Q 1,699 2,236 Q
  Split-System Heat Pumps ............. 2,581 2,581 2,581 774 872 Q 622 717 Q
  Individual Room Heat Pumps ........ 2,691 2,691 2,691 592 594 Q 1,227 1,376 Q
Furnaces ....................................... 19,615 19,615 2,117 19,615 4,858 Q 2,986 3,483 883
Individual Space Heaters ............... 12,545 12,545 1,861 4,858 12,545 543 3,830 3,900 373
District Heat ................................... 5,166 5,166 413 Q 543 5,166 Q 512 Q
Boilers ............................................ 20,423 20,423 2,787 2,986 3,830 Q 20,423 3,910 Q
Packaged Heating Units ................. 18,021 18,021 3,069 3,483 3,900 512 3,910 18,021 482
Other .............................................. 3,262 3,262 358 883 373 Q Q 482 3,262
Cooling Equipment (more
than one may apply)
Residential-Type Central
 Air Conditioners ............................ 11,035 10,617 1,356 6,251 2,933 Q 3,352 2,812 495
Heat Pumps .................................... 9,041 8,921 8,366 2,111 1,774 404 2,919 3,065 381
  Packaged Heat Pumps ................. 5,426 5,407 5,174 1,128 1,054 Q 1,694 2,147 Q
  Split-System Heat Pumps ............. 2,606 2,559 2,452 761 840 Q 650 711 Q
  Individual Room Heat Pumps ........ 2,940 2,887 2,610 596 568 Q 1,336 1,453 Q
Individual Air Conditioners ............. 12,558 12,167 2,049 4,077 4,558 758 5,926 3,722 579
District Chilled Water ...................... 2,853 2,734 Q Q Q 2,231 391 370 Q
Central Chillers ............................... 11,636 11,440 1,992 1,352 2,175 1,737 7,857 2,703 979
Packaged Air Conditioning
 Units .............................................. 29,969 29,007 3,446 9,995 6,288 1,023 9,946 14,747 1,255
Swamp Coolers ............................. 1,561 1,451 Q 718 611 Q 620 347 Q
Other .............................................. 1,232 1,203 Q Q Q Q 596 Q Q
Main Equipment Replaced Since
1990 (more than one may apply)
Heating ........................................... 16,403 16,403 2,455 6,420 4,563 Q 5,746 5,315 730
Cooling ........................................... 20,995 20,633 3,375 6,935 4,979 917 9,022 6,277 912
HVAC Conservation Features
(more than one may apply)
Variable Air-Volume System ......... 19,597 19,108 2,747 3,619 3,962 2,886 9,385 5,938 1,192
Economizer Cycle .......................... 21,108 20,828 3,558 3,846 4,517 2,873 10,246 7,804 1,274
HVAC Maintenance ....................... 51,163 49,812 7,769 15,148 9,459 4,956 18,923 15,677 2,579
Energy Management and
 Control System (EMCS) ................ 15,630 15,457 2,897 2,092 2,973 2,662 7,451 5,128 1,124
Equipment Usage Reduced
When Building Not In Full Use
(more than one may apply)a
Heating ........................................... 42,722 42,722 6,388 14,172 9,211 3,047 14,636 12,799 2,411
Cooling ........................................... 43,205 41,977 6,693 13,252 8,795 3,273 14,480 13,342 2,336
Lighting .......................................... 46,987 44,799 6,227 15,787 8,942 3,568 13,430 12,979 2,563
Office Equipment ........................... 19,397 18,638 2,508 7,119 3,604 1,313 5,788 4,887 990
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.