Table B13. Occupancy of Nongovernment-Owned and Government-Owned Buildings, Floorspace, 1999 ------------------------------------------------------------------------------------------------------- | | Total Floorspace (million square feet) | | |-----------------------------------------------------------------------| | | | Nongovernment-Owned Buildings | Government-Owned Buildings | | | |-------------------------------+-------------------------------| | | | All | | | | All | | | | | | |Nongov-| | | |Govern-| | | | | | |ernment| |Nonown-| | ment- | | | | | | All | Owned | Owner | er | | Owned | | | | | |Buildi-|Buildi-|Occupi-|Occupi-|Unoccu-|Buildi-| | | | | | ngs | ngs | ed | ed | pied | ngs |Federal| State | Local | ------------------------------------------------------------------------------------------------------- All Buildings ................ 67,338 54,994 37,785 15,596 1,613 12,343 1,797 3,391 7,156 Building Floorspace (Square Feet) 1,001 to 5,000 ............... 6,774 6,189 4,040 1,686 463 585 Q Q 467 5,001 to 10,000 .............. 8,238 7,466 5,179 1,827 Q 772 Q Q 509 10,001 to 25,000 ............. 11,153 9,655 6,736 2,656 264 1,498 177 233 1,088 25,001 to 50,000 ............. 9,311 7,264 4,577 2,496 Q 2,047 Q 732 1,200 50,001 to 100,000 ............ 10,112 7,571 4,723 2,775 Q 2,541 Q 732 1,487 100,001 to 200,000 ........... 8,271 6,509 4,097 2,374 Q 1,762 256 442 1,064 200,001 to 500,000 ........... 6,851 5,229 3,924 1,190 Q 1,622 Q 610 902 Over 500,000 ................. 6,628 5,112 4,509 592 Q 1,516 641 Q Q Principal Building Activity Education .................... 8,651 3,207 2,833 373 N 5,444 Q 1,712 3,655 Food Sales ................... 994 990 705 284 N Q N N Q Food Service ................. 1,851 1,763 1,362 401 N Q Q Q Q Health Care .................. 2,918 2,468 2,087 380 N 450 Q Q 243 - Inpatient .................. 1,865 1,489 1,423 Q N 376 Q Q Q - Outpatient ................. 1,053 979 664 315 N Q Q Q Q Lodging ...................... 4,521 4,100 3,614 486 N 421 Q 219 Q Mercantile ................... 10,398 10,380 5,308 5,031 Q Q N Q Q - Retail (Other Than Mall) ... 4,766 4,757 2,729 1,986 Q Q N N Q - Enclosed and Strip Malls ... 5,631 5,624 2,579 3,045 N Q N Q N Office ....................... 12,044 10,482 7,435 3,047 N 1,562 600 380 582 Public Assembly .............. 4,393 2,775 2,321 411 Q 1,618 Q 461 980 Public Order and Safety ...... 1,168 Q Q Q N 1,013 Q 226 779 Religious Worship ............ 3,405 3,405 3,349 Q N N N N N Service ...................... 3,388 2,532 1,710 822 N 856 297 Q 384 Warehouse and Storage ........ 10,477 9,901 5,821 3,693 Q 576 Q Q Q Other ........................ 1,222 1,082 773 310 N 139 Q Q Q Vacant ....................... 1,908 1,754 Q Q 1,143 Q Q Q Q Year Constructed 1919 or Before ............... 4,034 3,456 2,479 728 Q 579 Q Q 293 1920 to 1945 ................. 6,445 4,812 3,575 1,081 Q 1,633 Q 447 993 1946 to 1959 ................. 9,127 7,053 4,879 1,737 437 2,074 532 632 910 1960 to 1969 ................. 10,866 8,122 5,495 2,419 Q 2,745 364 742 1,639 1970 to 1979 ................. 11,840 9,907 6,795 2,960 Q 1,933 Q 599 1,174 1980 to 1989 ................. 13,931 12,507 8,364 3,855 Q 1,424 Q 315 990 1990 to 1999 ................. 11,094 9,138 6,198 2,817 Q 1,956 243 554 1,158 Floors One .......................... 26,800 22,775 12,499 9,308 969 4,025 376 995 2,654 Two .......................... 16,985 14,366 10,848 3,256 262 2,619 235 538 1,846 Three ........................ 8,928 6,902 5,387 1,274 Q 2,026 207 665 1,154 Four to Nine ................. 10,180 7,201 5,979 1,134 Q 2,979 640 1,039 1,300 Ten or More .................. 4,445 3,750 3,073 623 Q 695 339 153 Q Census Region Northeast .................... 12,360 9,542 7,143 2,286 Q 2,818 394 683 1,741 Midwest ...................... 16,761 13,896 9,990 3,427 479 2,865 318 961 1,586 South ........................ 23,485 19,745 13,228 5,881 636 3,740 549 919 2,273 West ......................... 14,731 11,810 7,424 4,001 385 2,921 537 828 1,556 Workers (main shift) Fewer than 5 ................. 14,321 12,950 8,848 2,488 1,613 1,371 Q 263 946 5 to 9 ....................... 6,325 5,432 3,765 1,667 N 893 Q 257 508 10 to 19 ..................... 8,028 6,947 5,172 1,774 N 1,081 Q 300 683 20 to 49 ..................... 10,814 8,480 5,390 3,090 N 2,334 288 573 1,473 50 to 99 ..................... 8,898 6,431 3,470 2,961 N 2,467 Q 739 1,638 100 to 249 ................... 8,356 6,358 4,375 1,983 N 1,998 246 701 1,051 250 or More .................. 10,595 8,398 6,766 1,632 N 2,198 783 556 858 Weekly Operating Hours 39 or Fewer .................. 6,596 5,563 3,438 512 1,613 1,033 Q Q 849 40 to 48 ..................... 13,105 9,889 6,718 3,171 N 3,216 302 863 2,050 49 to 60 ..................... 14,200 11,920 8,103 3,818 N 2,280 372 671 1,236 61 to 84 ..................... 12,458 10,671 7,204 3,467 N 1,786 210 538 1,039 85 to 167 .................... 9,116 7,381 4,533 2,849 N 1,734 Q 435 1,128 Open Continuously ............ 11,863 9,569 7,789 1,780 N 2,294 631 808 855 Vacancy Status Completely Vacant ............ 953 922 N N 922 Q N N Q Mostly Vacant ................ 956 832 Q Q 221 Q Q Q Q Partially Vacant ............. 15,520 13,410 8,450 4,490 Q 2,111 277 730 1,103 Not At All Vacant ............ 49,910 39,831 29,012 10,819 N 10,078 1,444 2,652 5,983 Number of Establishments One .......................... 43,343 33,290 25,947 7,343 N 10,053 1,373 2,818 5,862 2 to 5 ....................... 10,582 9,077 5,371 3,706 N 1,505 332 307 865 6 to 10 ...................... 3,574 3,369 1,699 1,670 N 205 Q Q Q 11 to 20 ..................... 3,260 3,097 1,336 1,761 N Q Q Q Q More than 20 ................. 4,811 4,549 3,433 1,116 N Q Q Q Q Currently Unoccupied ......... 1,769 1,613 N N 1,613 Q Q Q Q Multibuilding Facility Activity Not Part of a Multibuilding Facility .................... 41,289 35,892 24,040 10,524 1,328 5,396 417 1,140 3,839 College or University ........ 2,605 1,653 1,562 Q Q 952 Q 835 Q Primary or Secondary School .. 3,388 1,091 1,042 Q Q 2,296 Q 650 1,637 Office Complex ............... 3,353 3,014 2,035 958 Q 338 Q Q Q Retail Complex ............... 3,555 3,456 1,547 1,889 Q Q N Q Q Religious Campus or Complex .. 1,907 1,907 1,817 Q N N N N N Health Care Complex .......... 2,339 1,736 1,571 Q Q 604 230 Q 235 Government Complex ........... 1,513 Q Q Q N 1,498 728 Q 630 Other ........................ 7,389 6,230 4,166 1,855 Q 1,160 220 424 515 Energy Sources (more than one may apply) Electricity .................. 65,716 53,640 37,506 15,441 693 12,076 1,711 3,382 6,983 Natural Gas .................. 45,525 37,026 25,597 10,968 461 8,500 997 2,253 5,250 Fuel Oil ..................... 13,285 9,893 8,284 1,605 Q 3,392 748 822 1,823 District Heat ................ 5,891 3,333 2,907 426 N 2,559 827 1,187 546 District Chilled Water ....... 2,750 1,560 1,325 Q N 1,190 368 407 415 Propane ...................... 6,290 5,305 4,051 1,244 Q 985 Q 286 629 Other ........................ 2,322 1,864 1,486 358 Q 458 Q Q Q Energy End Uses (more than one may apply) Buildings with Space Heating . 61,602 49,916 35,287 14,279 349 11,687 1,715 3,318 6,653 Buildings with Cooling ....... 58,474 47,858 33,473 14,013 Q 10,616 1,525 2,962 6,129 Buildings with Water Heating . 56,115 45,444 31,903 13,158 383 10,670 1,477 3,111 6,082 Buildings with Cooking ....... 24,681 18,531 14,039 4,458 Q 6,150 838 1,535 3,778 Buildings with Manufacturing . 3,126 2,708 1,619 1,089 N Q Q Q Q Buildings with Electricity Generation .................. 11,882 8,847 7,264 1,558 Q 3,035 758 907 1,370 Percent of Floorspace Heated Not Heated ................... 5,736 5,079 2,498 1,317 1,264 657 Q Q 504 1 to 50 ...................... 7,593 7,105 4,711 2,314 Q 488 Q Q 298 51 to 99 ..................... 10,745 9,043 6,527 2,504 Q 1,702 317 584 802 100 .......................... 43,264 33,768 24,049 9,461 Q 9,496 1,315 2,628 5,553 Percent of Floorspace Cooled Not Cooled ................... 8,864 7,137 4,313 1,583 1,241 1,727 Q 428 1,027 1 to 50 ...................... 16,846 13,844 9,562 4,198 Q 3,002 Q 894 1,847 51 to 99 ..................... 16,966 13,579 9,718 3,828 Q 3,387 514 1,056 1,816 100 .......................... 24,662 20,435 14,193 5,986 Q 4,227 749 1,012 2,466 Percent Lit When Open Zero ......................... 173 173 Q Q N N N N N 1 to 50 ...................... 9,187 8,569 6,878 1,692 N 618 Q Q 315 51 to 99 ..................... 20,665 16,036 11,478 4,558 N 4,629 454 1,441 2,734 100 .......................... 34,233 27,659 18,582 9,077 N 6,575 1,058 1,827 3,689 Building Never Open/ Electricity Not Used ........ 3,080 2,558 708 237 1,613 522 Q Q Q Heating Equipment (more than one may apply) Heat Pumps ................... 8,923 7,187 5,195 1,974 Q 1,736 Q 435 1,125 Furnaces ..................... 14,449 13,202 9,424 3,681 Q 1,247 Q 244 844 Individual Space Heaters ..... 17,349 14,235 10,218 3,933 Q 3,114 674 787 1,653 District Heat ................ 5,534 3,072 2,695 377 N 2,462 827 1,102 534 Boilers ...................... 19,522 13,132 11,042 2,041 Q 6,390 588 1,561 4,242 Packaged Heating Units ....... 25,743 22,108 13,998 7,945 Q 3,635 249 1,108 2,279 Other ........................ 4,073 3,607 2,828 735 Q 466 Q 202 Q Cooling Equipment (more than one may apply) Residential-Type Central Air Conditioners ............ 8,329 7,313 5,683 1,623 Q 1,016 Q 173 684 Heat Pumps ................... 9,147 7,445 5,284 2,143 Q 1,702 Q 354 1,194 Individual Air Conditioners .. 14,276 10,593 8,343 2,046 Q 3,683 623 646 2,414 District Chilled Water ....... 2,750 1,560 1,325 Q N 1,190 368 407 415 Central Chillers ............. 12,909 8,984 7,474 1,482 Q 3,926 804 1,260 1,861 Packaged Air Conditioning Units ....................... 36,527 30,779 20,641 9,842 Q 5,748 728 1,508 3,511 Swamp Coolers ................ 2,219 1,610 945 665 N 609 Q Q Q Other ........................ 1,312 1,145 989 156 N 167 Q Q Q Main Equipment Replaced Since 1995 (more than one may apply) Heating ...................... 13,220 11,270 7,591 3,617 Q 1,950 Q 389 1,483 Cooling ...................... 17,390 14,186 9,617 4,491 Q 3,204 387 922 1,895 Lighting Equipment Types (more than one may apply) Incandescent ................. 38,156 31,544 23,612 7,849 Q 6,612 937 1,837 3,838 Standard Fluorescent ......... 60,344 48,959 34,331 14,462 Q 11,385 1,653 3,186 6,547 Compact Fluorescent .......... 20,666 16,731 13,325 3,377 Q 3,935 679 1,203 2,054 High Intensity Discharge ..... 19,223 13,702 10,325 3,376 N 5,521 685 1,631 3,206 Halogen ...................... 17,926 15,034 11,336 3,668 Q 2,892 411 899 1,582 Other ........................ 1,004 823 665 Q N Q Q Q Q Personal Computers None ......................... 9,583 8,678 5,680 1,643 1,354 906 Q Q 683 1 to 4 ....................... 13,853 12,564 8,657 3,851 Q 1,288 Q 368 793 5 to 9 ....................... 6,528 5,864 3,670 2,168 Q 664 Q Q 415 10 to 19 ..................... 7,514 6,527 4,232 2,118 Q 987 Q 333 607 20 to 49 ..................... 8,087 6,394 4,173 2,221 N 1,693 Q 389 1,063 50 to 99 ..................... 5,867 4,208 2,566 1,642 N 1,659 Q 531 1,058 100 to 249 ................... 6,818 4,346 3,342 1,004 N 2,472 211 780 1,481 250 or More .................. 9,088 6,414 5,467 947 N 2,674 838 780 1,056 Photocopiers None ......................... 21,631 18,933 11,799 5,592 1,541 2,698 302 655 1,742 One .......................... 12,928 11,141 8,151 2,926 Q 1,787 Q 524 1,077 2 to 4 ....................... 15,620 11,904 8,583 3,314 Q 3,716 362 948 2,406 5 to 9 ....................... 5,384 3,812 2,341 1,471 N 1,572 Q 455 971 10 or More ................... 11,774 9,204 6,912 2,292 N 2,570 802 808 960 Other Electronic Equipment (more than one may apply) Laser Printers ............... 46,567 36,966 26,002 10,870 Q 9,601 1,588 2,708 5,305 FAX Machines ................. 54,764 44,675 30,954 13,591 Q 10,088 1,578 2,706 5,805 Medical Diagnostic Equipment . 2,493 2,099 1,845 254 N 394 Q Q 215 Energy-Related Space Functions (more than one may apply) Commercial Food Preparation .. 23,328 17,300 13,104 4,179 Q 6,028 808 1,512 3,708 Activities with Large Amounts of Hot Water ........ 21,793 16,229 12,862 3,350 Q 5,564 644 1,693 3,227 Building Shell Conservation Features (more than one may apply) Multipaned Windows ........... 38,193 31,154 23,284 7,556 314 7,039 987 1,979 4,073 Tinted, Reflective, or Shading Glass ............... 29,915 24,218 17,092 6,985 Q 5,698 860 1,547 3,291 HVAC Conservation Features (more than one may apply) Variable Air-Volume System ... 19,387 14,961 11,395 3,560 Q 4,425 759 1,422 2,244 Economizer Cycle ............. 21,256 15,806 11,650 4,140 Q 5,450 1,153 1,738 2,559 HVAC Maintenance ............. 53,395 42,540 30,270 12,105 Q 10,855 1,636 3,135 6,084 Energy Management and Control System (EMCS) ....... 21,613 15,140 11,878 3,252 Q 6,473 1,201 2,060 3,211 Lighting Conservation Features (more than one may apply) Specular Reflectors .......... 19,994 15,640 11,384 4,247 Q 4,354 805 1,091 2,458 Electronic Ballasts .......... 42,035 33,247 23,537 9,680 Q 8,789 1,332 2,501 4,957 Skylights or Atriums ......... 18,286 14,429 10,683 3,537 Q 3,857 512 1,254 2,091 Off-Hour Equipment Reduction (more than one may apply) Heating ...................... 39,969 31,903 22,534 9,112 258 8,066 978 2,012 5,076 Cooling ...................... 39,161 31,707 21,722 9,679 Q 7,454 871 1,825 4,758 Lighting ..................... 51,083 41,690 28,512 13,178 N 9,394 1,069 2,521 5,804 Office Equipment ............. 9,063 5,637 4,010 1,627 N 3,426 Q 963 2,339 ------------------------------------------------------------------------------------------------------- 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. Note: 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.