Fewer 

than 5 

Workers

5 to 9 

Workers

10 to 19 

Workers

20 to 49 

Workers

50 to 99 

Workers

100 to 249 

Workers

250 or

More

Workers

All Buildings ............................................... 67,338 14,321 6,325 8,028 10,814 8,898 8,356 10,595

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6,774 4,230 1,502 791 235 Q Q N

5,001 to 10,000 ............................................ 8,238 3,748 1,331 1,792 1,174 Q Q N

10,001 to 25,000 .......................................... 11,153 3,922 1,557 2,263 2,510 819 Q Q

25,001 to 50,000 .......................................... 9,311 1,361 1,098 1,647 2,759 1,690 692 Q

50,001 to 100,000 ........................................ 10,112 430 444 799 2,437 3,172 2,067 762

100,001 to 200,000 ...................................... 8,271 356 350 Q 955 2,000 2,552 1,767

200,001 to 500,000 ...................................... 6,851 Q Q Q 635 598 1,927 3,015

Over 500,000 ............................................... 6,628 Q N Q Q Q 979 4,977

Principal Building Activity

Education .................................................... 8,651 420 516 983 2,161 2,258 1,603 710

Food Sales .................................................. 994 482 Q Q 159 Q Q Q

Food Service ............................................... 1,851 326 285 718 346 Q Q N

Health Care ................................................. 2,918 Q Q Q 212 280 521 1,529

 Inpatient ..................................................... 1,865 N Q Q Q Q 334 1,371

 Outpatient .................................................. 1,053 Q Q Q 150 198 187 Q

Lodging ........................................................ 4,521 897 482 672 973 540 618 Q

Mercantile .................................................... 10,398 1,572 1,035 1,199 1,734 1,666 1,518 1,673

 Retail (Other Than Mall) ............................ 4,766 1,525 786 826 767 442 320 Q

 Enclosed and Strip Malls ........................... 5,631 Q Q 373 967 1,224 1,198 1,572

Office ........................................................... 12,044 744 790 959 1,505 1,312 1,955 4,778

Public Assembly .......................................... 4,393 1,451 701 360 543 623 407 Q

Public Order and Safety .............................. 1,168 Q Q Q 329 Q Q Q

Religious Worship ....................................... 3,405 1,962 561 499 279 Q Q Q

Service ........................................................ 3,388 1,058 483 415 728 313 Q Q

Warehouse and Storage ............................. 10,477 3,177 1,089 1,485 1,694 1,336 1,004 692

Other ............................................................ 1,222 219 QQQQQQ

Vacant ......................................................... 1,908 1,723 QQQQNQ

Year Constructed

1919 or Before ............................................. 4,034 1,863 506 637 316 219 235 Q

1920 to 1945 ................................................ 6,445 2,443 508 729 691 586 658 830

1946 to 1959 ................................................ 9,127 2,264 1,012 1,415 1,947 833 688 968

1960 to 1969 ................................................ 10,866 2,015 1,181 1,128 1,707 1,696 1,561 1,579

1970 to 1979 ................................................ 11,840 2,012 1,337 1,233 1,682 1,803 1,515 2,259

1980 to 1989 ................................................ 13,931 2,013 952 1,731 2,383 2,161 1,915 2,776

1990 to 1999 ................................................ 11,094 1,712 829 1,153 2,089 1,601 1,786 1,925

Floors

One .............................................................. 26,800 7,746 3,164 3,867 4,996 3,639 2,481 908

Two .............................................................. 16,985 3,820 1,890 2,205 3,287 2,472 1,818 1,493

Three ........................................................... 8,928 1,798 953 1,200 1,369 1,265 1,430 912

Four to Nine ................................................. 10,180 867 305 730 1,140 1,385 2,044 3,708

Ten or More ................................................. 4,445 Q Q Q Q Q 583 3,575

Census Region

Northeast ..................................................... 12,360 1,906 1,372 1,472 1,574 1,814 1,702 2,519

Midwest ....................................................... 16,761 4,033 1,689 1,930 2,575 1,876 2,228 2,430

South ........................................................... 23,485 5,579 1,730 2,935 4,174 2,876 2,856 3,335

West ............................................................ 14,731 2,802 1,533 1,690 2,492 2,332 1,570 2,312

Weekly Operating Hours

39 or Fewer ................................................. 6,596 5,132 367 215 511 Q Q Q

40 to 48 ........................................................ 13,105 3,477 1,676 1,973 2,721 1,729 863 666

49 to 60 ........................................................ 14,200 1,920 1,838 2,379 2,189 2,079 1,719 2,075

61 to 84 ........................................................ 12,458 1,344 1,117 1,334 2,124 1,945 1,930 2,663

85 to 167 ...................................................... 9,116 1,128 723 1,043 1,586 1,592 1,783 1,261

Open Continuously ...................................... 11,863 1,319 604 1,084 1,684 1,334 1,920 3,918

Table B11. Employment Size Category, Floorspace, 1999

Number of Workers

Total Floorspace (million square feet)

All

Buildings

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables 40
Fewer 

than 5 

Workers

5 to 9 

Workers

10 to 19 

Workers

20 to 49 

Workers

50 to 99 

Workers

100 to 249 

Workers

250 or

More

Workers

Table B11. Employment Size Category, Floorspace, 1999

Number of Workers

Total Floorspace (million square feet)

All

Buildings

Ownership and Occupancy

Nongovernment Owned .............................. 54,994 12,950 5,432 6,947 8,480 6,431 6,358 8,398

 Owner Occupied ........................................ 37,785 8,848 3,765 5,172 5,390 3,470 4,375 6,766

 Nonowner Occupied .................................. 15,596 2,488 1,667 1,774 3,090 2,961 1,983 1,632

 Unoccupied ............................................... 1,613 1,613 N N N N N N

Government Owned .................................... 12,343 1,371 893 1,081 2,334 2,467 1,998 2,198

Vacancy Status

Completely Vacant ...................................... 953 953 N N N N N N

Mostly Vacant .............................................. 956 770 QQQQNQ

Partially Vacant ............................................ 15,520 2,520 1,059 1,102 2,153 1,811 2,297 4,577

Not At All Vacant ......................................... 49,910 10,078 5,233 6,858 8,605 7,064 6,060 6,012

Number of Establishments

One .............................................................. 43,343 10,723 4,718 6,063 7,280 5,111 4,796 4,651

2 to 5 ............................................................ 10,582 1,619 1,459 1,701 2,204 1,554 1,053 992

6 to 10 .......................................................... 3,574 Q Q 216 918 773 752 683

11 to 20 ........................................................ 3,260 Q Q Q 389 1,021 992 789

More than 20 ............................................... 4,811 Q Q Q Q 440 764 3,480

Currently Unoccupied .................................. 1,769 1,769 N N N N N N

Energy Sources (more than

one may apply)

Electricity ..................................................... 65,716 12,750 6,274 8,028 10,814 8,898 8,356 10,595

Natural Gas ................................................. 45,525 7,108 4,633 5,589 7,737 6,278 6,146 8,035

Fuel Oil ........................................................ 13,285 964 796 676 1,294 1,593 2,482 5,480

District Heat ................................................. 5,891 390 304 475 544 696 1,052 2,431

District Chilled Water ................................... 2,750 Q Q Q 162 478 484 1,234

Propane ....................................................... 6,290 1,451 646 688 1,189 839 787 691

Other ............................................................ 2,322 345 Q Q 317 364 417 527

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 61,602 10,552 6,020 7,762 10,347 8,536 8,053 10,333

Buildings with Cooling ................................. 58,474 8,704 5,291 7,409 9,930 8,519 8,129 10,491

Buildings with Water Heating ...................... 56,115 8,401 5,145 7,000 9,445 8,166 7,760 10,199

Buildings with Cooking ................................ 24,681 1,651 1,341 2,021 3,871 4,354 4,305 7,138

Buildings with Manufacturing ....................... 3,126 Q 230 477 645 544 436 544

Buildings with Electricity

 Generation .................................................. 11,882 Q 237 487 1,299 1,559 2,386 5,659

Percent of Floorspace Heated

Not Heated .................................................. 5,736 3,769 305 265 468 362 Q Q

1 to 50 .......................................................... 7,593 2,323 1,426 1,249 958 776 357 504

51 to 99 ........................................................ 10,745 2,174 732 1,304 1,848 1,137 1,206 2,344

100 ............................................................... 43,264 6,055 3,862 5,209 7,541 6,622 6,490 7,485

Percent of Floorspace Cooled

Not Cooled .................................................. 8,864 5,617 1,034 618 884 379 Q Q

1 to 50 .......................................................... 16,846 3,288 2,477 2,799 3,152 2,173 1,910 1,048

51 to 99 ........................................................ 16,966 1,843 734 1,977 2,714 2,510 2,639 4,550

100 ............................................................... 24,662 3,573 2,080 2,634 4,065 3,837 3,580 4,893

Percent Lit When Open

Zero ............................................................. 173 Q Q Q N N N N

1 to 50 .......................................................... 9,187 3,999 1,649 1,679 996 405 Q Q

51 to 99 ........................................................ 20,665 2,822 1,733 2,336 3,974 3,562 2,485 3,752

100 ............................................................... 34,233 4,404 2,869 3,930 5,844 4,931 5,526 6,729

Building Never Open/

 Electricity Not Used .................................... 3,080 2,983 Q Q N N N N

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables 41
Fewer 

than 5 

Workers

5 to 9 

Workers

10 to 19 

Workers

20 to 49 

Workers

50 to 99 

Workers

100 to 249 

Workers

250 or

More

Workers

Table B11. Employment Size Category, Floorspace, 1999

Number of Workers

Total Floorspace (million square feet)

All

Buildings

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 8,923 707 655 1,340 1,761 1,401 1,105 1,954

Furnaces ...................................................... 14,449 3,874 2,510 1,953 2,631 1,221 1,164 1,095

Individual Space Heaters ............................ 17,349 2,913 1,680 1,973 2,538 2,531 2,376 3,339

District Heat ................................................. 5,534 289 292 372 534 645 1,031 2,371

Boilers ......................................................... 19,522 1,840 1,285 1,771 2,739 3,234 3,706 4,948

Packaged Heating Units .............................. 25,743 3,005 1,788 3,002 4,935 4,416 4,172 4,426

Other ............................................................ 4,073 673 178 219 451 300 608 1,644

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 8,329 2,041 921 1,187 1,341 791 868 1,180

Heat Pumps ................................................. 9,147 753 677 1,267 1,688 1,493 1,027 2,243

Individual Air Conditioners ........................... 14,276 2,568 1,226 2,037 2,138 2,046 1,940 2,322

District Chilled Water ................................... 2,750 Q Q Q 162 478 484 1,234

Central Chillers ............................................ 12,909 297 223 277 1,054 1,646 2,597 6,815

Packaged Air Conditioning

 Units ........................................................... 36,527 4,264 2,933 4,334 6,776 5,963 5,507 6,751

Swamp Coolers ........................................... 2,219 315 317 Q 394 365 360 335

Other ............................................................ 1,312 Q Q Q 210 Q 341 381

Lighting Equipment Types

(more than one may apply)

Incandescent ............................................... 38,156 6,532 3,289 4,437 5,841 5,330 5,082 7,644

Standard Fluorescent .................................. 60,344 9,890 5,796 7,439 10,106 8,474 8,164 10,475

Compact Fluorescent .................................. 20,666 1,388 1,118 1,682 3,032 2,781 3,573 7,093

High Intensity Discharge .............................. 19,223 1,348 990 1,233 2,984 3,306 3,551 5,812

Halogen ....................................................... 17,926 1,448 880 1,482 2,585 2,539 3,003 5,989

Other ............................................................ 1,004 QQQQQQQ

Personal Computers

None ............................................................ 9,583 7,539 1,073 622 193 Q Q Q

1 to 4 ............................................................ 13,853 5,870 2,877 2,418 1,842 609 Q Q

5 to 9 ............................................................ 6,528 329 1,662 1,850 1,811 639 Q Q

10 to 19 ........................................................ 7,514 Q 416 2,246 2,408 1,140 678 Q

20 to 49 ........................................................ 8,087 Q Q 584 2,949 2,408 1,541 281

50 to 99 ........................................................ 5,867 Q Q Q 1,103 2,240 1,563 626

100 to 249 .................................................... 6,818 Q Q Q 370 1,434 3,130 1,733

250 or More ................................................. 9,088 Q N Q Q 321 1,034 7,554

Photocopiers

None ............................................................ 21,631 10,918 3,493 2,574 2,309 1,176 844 316

One .............................................................. 12,928 2,797 2,060 3,138 2,987 1,407 347 Q

2 to 4 ............................................................ 15,620 567 746 2,215 4,616 3,863 2,800 812

5 to 9 ............................................................ 5,384 Q Q Q 782 1,352 1,940 1,187

10 or More ................................................... 11,774 QQQQ 1,100 2,426 8,086

Other Electronic Equipment

(more than one may apply)

Laser Printers .............................................. 46,567 3,246 3,323 5,128 8,881 8,004 7,714 10,271

FAX Machines ............................................. 54,764 5,336 4,881 6,981 10,031 8,696 8,259 10,580

Medical Diagnostic Equipment .................... 2,493 Q Q Q 148 220 412 1,502

Lighting Conservation Features

(more than one may apply)

Specular Reflectors ..................................... 19,994 1,386 1,450 1,959 2,813 2,860 3,629 5,897

Electronic Ballasts ....................................... 42,035 5,143 3,536 4,587 6,666 6,415 6,220 9,468

Skylights or Atriums ..................................... 18,286 1,891 934 1,676 2,509 3,136 3,092 5,050

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables 42
Fewer 

than 5 

Workers

5 to 9 

Workers

10 to 19 

Workers

20 to 49 

Workers

50 to 99 

Workers

100 to 249 

Workers

250 or

More

Workers

Table B11. Employment Size Category, Floorspace, 1999

Number of Workers

Total Floorspace (million square feet)

All

Buildings

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 39,969 7,086 4,313 5,451 7,017 5,890 4,819 5,394

Cooling ........................................................ 39,161 6,141 4,058 5,609 6,887 5,729 5,011 5,726

Lighting ........................................................ 51,083 9,745 5,555 6,640 8,834 7,390 6,343 6,576

Office Equipment ......................................... 9,063 Q Q 529 2,132 2,435 2,153 1,668

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 43