New 

England

Middle 

Atlantic

East

North 

Central

West

North 

Central

South 

Atlantic

East

South 

Central

West

South 

Central Mountain Pacific

All Buildings ............................................... 67,338 3,735 8,625 11,205 5,556 11,001 5,220 7,264 4,579 10,152

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 6,774 287 614 1,186 648 1,006 514 1,015 493 1,009

5,001 to 10,000 ............................................ 8,238 287 1,015 1,480 566 1,430 644 983 612 1,222

10,001 to 25,000 .......................................... 11,153 569 1,384 1,855 1,026 1,707 1,343 1,145 632 1,492

25,001 to 50,000 .......................................... 9,311 506 902 1,181 592 1,597 875 912 865 1,881

50,001 to 100,000 ........................................ 10,112 709 1,062 1,544 892 1,679 654 1,116 817 1,638

100,001 to 200,000 ...................................... 8,271 506 956 1,549 730 1,621 508 735 552 1,114

200,001 to 500,000 ...................................... 6,851 176 1,187 1,434 560 1,261 342 670 Q 971

Over 500,000 ............................................... 6,628 Q 1,507 976 543 698 Q 687 358 823

Principal Building Activity

Education .................................................... 8,651 575 1,139 1,506 744 997 438 913 758 1,580

Food Sales .................................................. 994 Q Q Q Q Q Q 135 Q Q

Food Service ............................................... 1,851 Q Q 463 Q 302 Q 207 Q 292

Health Care ................................................. 2,918 Q 335 502 248 585 132 367 201 434

 Inpatient ..................................................... 1,865 Q 291 336 Q 312 Q 215 Q 233

 Outpatient .................................................. 1,053 Q Q Q Q 273 Q Q Q 201

Lodging ........................................................ 4,521 Q 315 725 215 825 467 303 545 956

Mercantile .................................................... 10,398 612 1,273 1,780 811 2,007 937 1,135 418 1,423

 Retail (Other Than Mall) ............................ 4,766 Q 725 1,158 442 625 430 512 169 458

 Enclosed and Strip Malls ........................... 5,631 Q 548 622 369 1,383 507 623 Q 966

Office ........................................................... 12,044 849 1,540 1,777 1,043 2,311 696 1,155 760 1,913

Public Assembly .......................................... 4,393 Q 574 635 507 539 431 541 373 486

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

Religious Worship ....................................... 3,405 Q 370 566 357 309 Q 487 Q 588

Service ........................................................ 3,388 Q 527 403 415 604 351 433 168 275

Warehouse and Storage ............................. 10,477 429 1,314 1,983 782 1,909 963 1,085 520 1,493

Other ............................................................ 1,222 Q Q Q Q Q Q Q Q Q

Vacant ......................................................... 1,908 Q Q 412 Q Q Q Q Q 198

Year Constructed

1919 or Before ............................................. 4,034 458 933 1,215 360 346 Q 159 267 251

1920 to 1945 ................................................ 6,445 423 1,196 1,849 574 603 335 765 287 412

1946 to 1959 ................................................ 9,127 434 1,596 1,417 735 1,106 659 1,146 713 1,322

1960 to 1969 ................................................ 10,866 670 1,380 1,605 997 1,613 639 1,065 807 2,089

1970 to 1979 ................................................ 11,840 746 1,078 1,564 784 2,060 754 1,464 676 2,715

1980 to 1989 ................................................ 13,931 570 1,500 1,673 1,155 2,966 1,739 1,557 1,126 1,645

1990 to 1999 ................................................ 11,094 433 943 1,882 952 2,306 1,050 1,107 704 1,716

Floors

One .............................................................. 26,800 835 2,295 3,976 1,824 5,249 2,611 3,965 1,958 4,086

Two .............................................................. 16,985 1,018 1,926 2,658 1,748 2,485 1,639 1,564 1,167 2,781

Three ........................................................... 8,928 674 1,587 2,049 675 1,043 417 646 631 1,205

Four to Nine ................................................. 10,180 867 1,732 1,931 1,149 1,491 Q 636 659 1,302

Ten or More ................................................. 4,445 Q 1,085 591 Q 733 Q 452 Q 777

Workers (main shift)

Fewer than 5 ................................................ 14,321 521 1,385 2,847 1,186 2,314 1,158 2,108 1,118 1,685

5 to 9 ............................................................ 6,325 450 923 1,146 544 705 454 571 465 1,069

10 to 19 ........................................................ 8,028 425 1,048 1,315 615 1,447 856 632 470 1,220

20 to 49 ........................................................ 10,814 479 1,096 1,820 755 1,745 1,167 1,261 812 1,680

50 to 99 ........................................................ 8,898 715 1,099 1,014 862 1,508 537 831 587 1,745

100 to 249 .................................................... 8,356 579 1,123 1,605 623 1,575 526 756 573 997

250 or More ................................................. 10,595 567 1,952 1,459 971 1,708 522 1,105 555 1,757

Table B5. Census Region and Division, Floorspace, 1999

Northeast Midwest South West

All

Buildings

Total Floorspace (million square feet)

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables 17
New 

England

Middle 

Atlantic

East

North 

Central

West

North 

Central

South 

Atlantic

East

South 

Central

West

South 

Central Mountain Pacific

Table B5. Census Region and Division, Floorspace, 1999

Northeast Midwest South West

All

Buildings

Total Floorspace (million square feet)

Weekly Operating Hours

39 or Fewer ................................................. 6,596 249 651 1,305 546 1,053 594 884 689 625

40 to 48 ........................................................ 13,105 527 1,352 1,680 1,309 1,943 1,370 1,952 1,242 1,730

49 to 60 ........................................................ 14,200 1,085 1,707 2,455 1,122 2,549 681 1,387 788 2,426

61 to 84 ........................................................ 12,458 846 1,637 2,149 939 2,201 743 1,254 496 2,193

85 to 167 ...................................................... 9,116 464 1,349 1,848 683 1,267 951 759 574 1,220

Open Continuously ...................................... 11,863 565 1,930 1,768 957 1,987 882 1,027 790 1,958

Ownership and Occupancy

Nongovernment Owned .............................. 54,994 2,976 6,567 9,640 4,257 9,162 4,486 6,097 3,443 8,367

 Owner Occupied ........................................ 37,785 2,129 5,014 6,933 3,057 6,072 3,019 4,136 2,064 5,360

 Nonowner Occupied .................................. 15,596 810 1,476 2,373 1,054 2,716 1,389 1,776 1,124 2,877

 Unoccupied ............................................... 1,613 Q Q 334 Q Q Q Q Q Q

Government Owned .................................... 12,343 759 2,059 1,565 1,300 1,839 734 1,167 1,136 1,785

Vacancy Status

Completely Vacant ...................................... 953 Q Q Q Q Q Q Q Q Q

Mostly Vacant .............................................. 956 Q Q Q Q Q Q Q Q Q

Partially Vacant ............................................ 15,520 1,003 1,689 2,890 1,141 2,656 992 1,900 1,022 2,226

Not At All Vacant ......................................... 49,910 2,619 6,682 7,903 4,294 8,124 4,172 5,086 3,301 7,728

Number of Establishments

One .............................................................. 43,343 2,225 5,440 7,546 3,753 6,407 3,558 4,758 3,066 6,588

2 to 5 ............................................................ 10,582 610 1,575 2,042 858 1,659 751 1,012 538 1,537

6 to 10 .......................................................... 3,574 Q 366 306 266 701 Q 353 262 806

11 to 20 ........................................................ 3,260 376 329 319 260 826 Q 252 Q 499

More than 20 ............................................... 4,811 Q 830 606 Q 1,026 Q 686 Q 587

Currently Unoccupied .................................. 1,769 Q Q 386 Q Q Q Q Q Q

Energy Sources (more than

one may apply)

Electricity ..................................................... 65,716 3,615 8,349 10,940 5,449 10,817 5,149 7,110 4,292 9,995

Natural Gas ................................................. 45,525 1,590 5,714 9,383 4,123 5,517 3,508 5,174 3,183 7,332

Fuel Oil ........................................................ 13,285 2,254 3,160 1,299 1,123 2,457 546 747 379 1,321

District Heat ................................................. 5,891 180 1,718 799 722 504 Q 524 410 797

District Chilled Water ................................... 2,750 Q 252 282 464 359 Q 488 Q 494

Propane ....................................................... 6,290 858 848 752 653 1,455 694 239 Q 693

Other ............................................................ 2,322 Q 539 360 Q 268 Q Q Q 439

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 61,602 3,551 8,116 10,530 5,386 9,243 4,854 6,501 4,204 9,218

Buildings with Cooling ................................. 58,474 3,034 7,278 9,374 4,997 10,140 4,793 6,616 3,845 8,398

Buildings with Water Heating ...................... 56,115 3,187 7,390 9,131 4,571 8,900 4,247 5,867 3,993 8,828

Buildings with Cooking ................................ 24,681 1,487 3,758 4,088 1,953 4,531 1,552 2,486 1,533 3,292

Buildings with Manufacturing ....................... 3,126 Q 392 493 Q 388 Q 340 Q 568

Buildings with Electricity

 Generation .................................................. 11,882 988 2,121 1,728 1,054 2,530 659 873 532 1,398

Percent of Floorspace Heated

Not Heated .................................................. 5,736 Q 510 675 Q 1,757 366 763 376 934

1 to 50 .......................................................... 7,593 Q 810 1,177 393 981 697 860 471 1,960

51 to 99 ........................................................ 10,745 446 1,242 1,665 657 2,030 1,123 1,182 465 1,935

100 ............................................................... 43,264 2,863 6,064 7,687 4,335 6,232 3,034 4,460 3,268 5,322

Percent of Floorspace Cooled

Not Cooled .................................................. 8,864 701 1,348 1,831 559 861 427 648 735 1,754

1 to 50 .......................................................... 16,846 1,105 2,808 3,490 1,578 2,070 1,136 1,412 871 2,375

51 to 99 ........................................................ 16,966 917 2,279 3,015 1,726 2,970 1,220 1,610 1,028 2,200

100 ............................................................... 24,662 1,012 2,190 2,869 1,693 5,099 2,438 3,593 1,945 3,823

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables 18
New 

England

Middle 

Atlantic

East

North 

Central

West

North 

Central

South 

Atlantic

East

South 

Central

West

South 

Central Mountain Pacific

Table B5. Census Region and Division, Floorspace, 1999

Northeast Midwest South West

All

Buildings

Total Floorspace (million square feet)

Percent Lit When Open

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

1 to 50 .......................................................... 9,187 479 1,140 1,866 620 1,436 728 849 572 1,497

51 to 99 ........................................................ 20,665 1,259 2,822 3,830 1,983 2,973 1,248 2,171 1,373 3,005

100 ............................................................... 34,233 1,832 4,245 4,927 2,741 5,916 3,080 3,821 2,273 5,398

Building Never Open/

 Electricity Not Used .................................... 3,080 Q Q 569 212 624 Q 410 337 245

Heating Equipment (more

than one may apply)

Heat Pumps ................................................. 8,923 387 807 476 539 2,594 1,382 604 571 1,564

Furnaces ...................................................... 14,449 775 1,482 3,908 1,859 1,310 1,253 1,387 1,232 1,244

Individual Space Heaters ............................ 17,349 937 2,618 2,812 1,854 2,293 1,579 1,599 1,250 2,407

District Heat ................................................. 5,534 180 1,696 792 722 423 Q 486 Q 758

Boilers ......................................................... 19,522 2,170 3,299 4,010 1,951 2,243 771 1,195 1,329 2,554

Packaged Heating Units .............................. 25,743 1,086 2,946 3,302 1,778 4,695 2,401 3,359 1,592 4,583

Other ............................................................ 4,073 Q 595 825 289 578 Q 576 311 488

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 8,329 Q 790 1,766 1,186 1,281 898 1,093 646 510

Heat Pumps ................................................. 9,147 346 870 490 573 2,642 1,316 646 649 1,615

Individual Air Conditioners ........................... 14,276 1,316 2,581 2,525 1,200 1,940 1,386 1,200 642 1,487

District Chilled Water ................................... 2,750 Q 252 282 464 359 Q 488 Q 494

Central Chillers ............................................ 12,909 719 2,063 2,013 1,136 2,269 591 1,468 753 1,897

Packaged Air Conditioning

 Units ........................................................... 36,527 1,796 4,844 5,463 2,735 6,575 3,147 4,193 2,206 5,568

Swamp Coolers ........................................... 2,219 Q Q Q Q Q Q Q 986 638

Other ............................................................ 1,312 Q Q Q Q 154 Q Q Q Q

Main Equipment Replaced Since

1995 (more than one may apply)

Heating ........................................................ 13,220 551 1,277 2,335 909 2,032 1,348 1,700 840 2,227

Cooling ........................................................ 17,390 972 2,108 2,891 917 3,237 1,576 2,276 1,009 2,405

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 38,193 2,534 5,029 7,421 4,125 5,989 2,820 3,171 2,478 4,624

Tinted, Reflective, or

 Shading Glass ............................................ 29,915 1,347 3,178 4,234 2,130 5,279 2,330 3,637 2,337 5,443

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ....................... 19,387 988 2,655 3,333 1,524 3,163 998 1,960 1,401 3,364

Economizer Cycle ........................................ 21,256 1,419 3,215 3,305 2,384 3,025 1,015 1,818 1,586 3,489

HVAC Maintenance ..................................... 53,395 3,266 7,374 8,461 4,564 8,699 4,107 5,176 3,772 7,977

Energy Management and

 Control System (EMCS) ............................. 21,613 1,404 2,806 3,591 1,705 3,694 1,036 2,378 1,564 3,434

Lighting Conservation Features

(more than one may apply)

Specular Reflectors ..................................... 19,994 1,624 3,251 2,978 1,318 3,386 1,117 1,897 1,232 3,192

Electronic Ballasts ....................................... 42,035 2,398 6,082 6,991 3,297 6,646 2,835 4,265 2,650 6,873

Skylights or Atriums ..................................... 18,286 1,221 2,476 3,006 1,485 2,860 1,359 1,897 1,326 2,656

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 19