One

Two to

Five

Six to

Ten

Eleven to 

Twenty

More than 

Twenty

Currently 

Unoccupied

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

Table B15. Number of Establishments in Building, Floorspace, 1999

Total Floorspace (million square feet)

All

Buildings

Number of Establishments in Building

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables 57
One

Two to

Five

Six to

Ten

Eleven to 

Twenty

More than 

Twenty

Currently 

Unoccupied

Table B15. Number of Establishments in Building, Floorspace, 1999

Total Floorspace (million square feet)

All

Buildings

Number of Establishments in Building

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

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables 58
One

Two to

Five

Six to

Ten

Eleven to 

Twenty

More than 

Twenty

Currently 

Unoccupied

Table B15. Number of Establishments in Building, Floorspace, 1999

Total Floorspace (million square feet)

All

Buildings

Number of Establishments in Building

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

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.

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables 59