Table B15.  Number of Establishments in Building, Floorspace, 1999
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|                             |        Total Floorspace (million square feet)         |
|                             |-------------------------------------------------------|
|                             |       |     Number of Establishments in Building      |
|                             |       |-----------------------------------------------|
|                             |       |       |       |       |       |       |Curren-|
|                             |  All  |       |       |       |Eleven | More  |  tly  |
|                             |Buildi-|       |Two to |Six to |  to   | than  |Unoccu-|
|                             |  ngs  |  One  | Five  |  Ten  |Twenty |Twenty | pied  |
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All Buildings ................   67,338  43,343  10,582   3,574   3,260   4,811   1,769

Building Floorspace
(Square Feet)
1,001 to 5,000 ...............    6,774   5,358     857       Q       Q       Q     512
5,001 to 10,000 ..............    8,238   5,952   1,630     137       Q       Q       Q
10,001 to 25,000 .............   11,153   7,812   1,982     784       Q       Q     296
25,001 to 50,000 .............    9,311   6,720   1,220     550     494       Q       Q
50,001 to 100,000 ............   10,112   6,063   1,833     845     839     432       Q
100,001 to 200,000 ...........    8,271   4,798   1,453     480     790     690       Q
200,001 to 500,000 ...........    6,851   4,126     931     498     455     702       Q
Over 500,000 .................    6,628   2,514     676       Q     416   2,771       Q

Principal Building Activity
Education ....................    8,651   7,947     657       Q       Q       Q       N
Food Sales ...................      994     808       Q       N       N       Q       N
Food Service .................    1,851   1,638       Q       Q       N       N       N
Health Care ..................    2,918   2,139     341       Q     157       Q       N
- Inpatient ..................    1,865   1,611       Q       Q       Q       Q       N
- Outpatient .................    1,053     529     195       Q       Q       Q       N
Lodging ......................    4,521   3,724     617       Q       N       Q       N
Mercantile ...................   10,398   3,831   1,618   1,387   1,205   2,315       Q
- Retail (Other Than Mall) ...    4,766   3,756     783       Q       Q       Q       Q
- Enclosed and Strip Malls ...    5,631       Q     836   1,261   1,171   2,289       N
Office .......................   12,044   5,073   2,502   1,369   1,395   1,705       N
Public Assembly ..............    4,393   3,122     821       Q       Q       Q       Q
Public Order and Safety ......    1,168     773     320       Q       Q       N       N
Religious Worship ............    3,405   3,016     373       Q       N       N       N
Service ......................    3,388   2,674     672       Q       Q       N       Q
Warehouse and Storage ........   10,477   7,097   2,104     313       Q       Q       Q
Other ........................    1,222     913       Q       Q       Q       Q       N
Vacant .......................    1,908     586       Q       Q       Q       N   1,217

Year Constructed
1919 or Before ...............    4,034   2,804     593       Q       Q       Q     261
1920 to 1945 .................    6,445   4,327   1,236       Q       Q     255     234
1946 to 1959 .................    9,127   6,244   1,543       Q       Q       Q     468
1960 to 1969 .................   10,866   7,779   1,279     496     321     766       Q
1970 to 1979 .................   11,840   7,185   1,798     663     947   1,091       Q
1980 to 1989 .................   13,931   7,382   2,388   1,251     988   1,622       Q
1990 to 1999 .................   11,094   7,622   1,745     485     498     621       Q

Floors
One ..........................   26,800  17,636   4,381   1,480   1,351     918   1,035
Two ..........................   16,985  11,651   2,655     738     425   1,193     324
Three ........................    8,928   6,346   1,517     301     189       Q       Q
Four to Nine .................   10,180   6,313   1,555     737     696     779       Q
Ten or More ..................    4,445   1,398     475     317     599   1,603       Q

Census Region
Northeast ....................   12,360   7,665   2,186     494     705   1,159       Q
Midwest ......................   16,761  11,299   2,900     571     579     864     548
South ........................   23,485  14,723   3,421   1,440   1,239   2,000     662
West .........................   14,731   9,655   2,075   1,068     738     788     407

Climate Zone: 45-Year Average
Under 2,000 CDD and --
- More than 7,000 HDD ........    5,890   4,124   1,099       Q       Q       Q       Q
- 5,500-7,000 HDD ............   17,083  11,387   2,746     590     776   1,162     422
- 4,000-5,499 HDD ............   16,243  10,037   2,864     888     696   1,349     409
- Fewer than 4,000 HDD .......   16,333  10,345   2,323   1,278     833   1,024     531
2,000 CDD or More and --
- Fewer than 4,000 HDD .......   11,788   7,449   1,549     617     753   1,134     285

Workers (main shift)
Fewer than 5 .................   14,321  10,723   1,619       Q       Q       Q   1,769
5 to 9 .......................    6,325   4,718   1,459       Q       Q       Q       N
10 to 19 .....................    8,028   6,063   1,701     216       Q       Q       N
20 to 49 .....................   10,814   7,280   2,204     918     389       Q       N
50 to 99 .....................    8,898   5,111   1,554     773   1,021     440       N
100 to 249 ...................    8,356   4,796   1,053     752     992     764       N
250 or More ..................   10,595   4,651     992     683     789   3,480       N

Ownership and Occupancy
Nongovernment Owned ..........   54,994  33,290   9,077   3,369   3,097   4,549   1,613
- Owner Occupied .............   37,785  25,947   5,371   1,699   1,336   3,433       N
- Nonowner Occupied ..........   15,596   7,343   3,706   1,670   1,761   1,116       N
- Unoccupied .................    1,613       N       N       N       N       N   1,613
Government Owned .............   12,343  10,053   1,505     205       Q       Q       Q

Vacancy Status
Completely Vacant ............      953       N       N       N       N       N     953
Mostly Vacant ................      956     586       Q       Q       Q       N     264
Partially Vacant .............   15,520   5,698   2,238   1,700   1,821   3,513     552
Not At All Vacant ............   49,910  37,058   8,276   1,850   1,427   1,298       N

Multibuilding Facility Activity
Not Part of a Multibuilding
 Facility ....................   41,289  26,162   6,621   1,770   2,047   3,271   1,419
College or University ........    2,605   2,336     186       Q       Q       Q       Q
Primary or Secondary School ..    3,388   3,229       Q       N       N       Q       Q
Office Complex ...............    3,353   1,220     787     533     463     284       Q
Retail Complex ...............    3,555   1,035     466     799     396     839       Q
Religious Campus or Complex ..    1,907   1,665       Q       N       Q       N       N
Health Care Complex ..........    2,339   1,673     334       Q       Q       Q       Q
Government Complex ...........    1,513   1,025     400       Q       Q       N       N
Other ........................    7,389   4,998   1,439     263       Q       Q       Q

Energy Sources (more than
one may apply)
Electricity ..................   65,716  42,839  10,442   3,568   3,260   4,809     797
Natural Gas ..................   45,525  29,717   7,439   2,463   1,786   3,596     525
Fuel Oil .....................   13,285   8,327   1,795     481     810   1,861       Q
District Heat ................    5,891   4,149     559     331     171     681       N
District Chilled Water .......    2,750   2,117     207       Q       Q       Q       N
Propane ......................    6,290   4,921     728       Q       Q       Q       Q
Other ........................    2,322   1,676       Q       Q       Q       Q       Q

Energy End Uses (more than
one may apply)
Buildings with Space Heating .   61,602  40,297  10,038   3,289   2,993   4,563     422
Buildings with Cooling .......   58,474  37,062   9,632   3,453   3,168   4,741     417
Buildings with Water Heating .   56,115  36,207   8,866   3,191   2,828   4,595     427
Buildings with Cooking .......   24,681  14,870   3,143   1,541   1,611   3,483       Q
Buildings with Manufacturing .    3,126   2,094     524       Q       Q       Q       N
Buildings with Electricity
 Generation ..................   11,882   7,109   1,523     537     761   1,927       Q

Heating Equipment (more
than one may apply)
Heat Pumps ...................    8,923   5,009   1,741     529     559   1,067       Q
Furnaces .....................   14,449  10,187   3,020     420     346     378       Q
Individual Space Heaters .....   17,349  11,358   3,263     652     690   1,294       Q
District Heat ................    5,534   3,847     517     331       Q     681       N
Boilers ......................   19,522  13,385   2,861     787     821   1,592       Q
Packaged Heating Units .......   25,743  15,436   3,885   1,967   1,615   2,656       Q
Other ........................    4,073   2,266     464       Q     280     830       Q

Cooling Equipment (more
than one may apply)
Residential-Type Central
 Air Conditioners ............    8,329   5,833   1,554     190     230     516       Q
Heat Pumps ...................    9,147   5,058   1,869     584     556   1,062       Q
Individual Air Conditioners ..   14,276  10,302   2,282     427     398     656       Q
District Chilled Water .......    2,750   2,117     207       Q       Q       Q       N
Central Chillers .............   12,909   7,088   1,609     681     833   2,651       Q
Packaged Air Conditioning
 Units .......................   36,527  22,190   5,848   2,742   2,154   3,260       Q
Swamp Coolers ................    2,219   1,662     223       Q       Q       Q       N
Other ........................    1,312     820       Q       Q       Q       Q       N

Lighting Equipment Types
(more than one may apply)
Incandescent .................   38,156  24,358   5,930   2,026   2,219   3,540       Q
Standard Fluorescent .........   60,344  39,064   9,845   3,393   3,126   4,750       Q
Compact Fluorescent ..........   20,666  11,751   3,131   1,386   1,205   3,165       Q
High Intensity Discharge .....   19,223  12,406   2,730     856     692   2,539       N
Halogen ......................   17,926  10,103   2,625   1,168   1,026   2,974       Q
Other ........................    1,004     499       Q       Q       Q       Q       N

Personal Computers
None .........................    9,583   6,911     951       Q       Q       Q   1,498
1 to 4 .......................   13,853  10,377   2,558     535       Q       Q       Q
5 to 9 .......................    6,528   4,408   1,497     329       Q       Q       Q
10 to 19 .....................    7,514   4,351   1,568     654     376       Q       Q
20 to 49 .....................    8,087   5,115   1,488     504     669     310       N
50 to 99 .....................    5,867   3,540     846     372     543     555       Q
100 to 249 ...................    6,818   3,795     859     522     563   1,079       N
250 or More ..................    9,088   4,845     814     537     669   2,224       N

Photocopiers
None .........................   21,631  15,084   2,969     828     609     455   1,685
One ..........................   12,928  10,025   2,011     555       Q       Q       Q
2 to 4 .......................   15,620  10,518   3,419     536     473     656       Q
5 to 9 .......................    5,384   3,160   1,139     482     272       Q       N
10 or More ...................   11,774   4,555   1,044   1,172   1,817   3,187       N

Other Electronic Equipment
(more than one may apply)
Laser Printers ...............   46,567  28,624   7,497   2,882   2,963   4,495       Q
FAX Machines .................   54,764  33,961   9,305   3,398   3,233   4,725       Q
Medical Diagnostic Equipment .    2,493   1,727     328       Q     157       Q       N
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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.