Electricity

Natural 

Gas

District 

Chilled 

Water Electricity

Natural 

Gas

District 

Chilled 

Water

All Buildings ............................................... 4,657 3,560 3,450 142 50 67,338 58,474 55,545 1,914 2,750

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 2,348 1,680 1,640 Q Q 6,774 4,879 4,784 Q Q

5,001 to 10,000 ............................................ 1,110 828 796 Q Q 8,238 6,212 5,938 Q Q

10,001 to 25,000 .......................................... 708 611 596 23 Q 11,153 9,530 9,307 325 Q

25,001 to 50,000 .......................................... 257 223 214 8 7 9,311 8,116 7,753 268 294

50,001 to 100,000 ........................................ 145 134 127 4 7 10,112 9,401 8,870 315 525

100,001 to 200,000 ...................................... 59 55 51 2 5 8,271 7,609 7,011 282 630

200,001 to 500,000 ...................................... 23 21 20 Q 2 6,851 6,345 5,991 Q 470

Over 500,000 ............................................... 7 7 6 Q 1 6,628 6,382 5,890 Q 630

Principal Building Activity

Education .................................................... 327 274 265 Q Q 8,651 7,973 7,305 Q 676

Food Sales .................................................. 174 166 148 Q N 994 978 947 Q N

Food Service ............................................... 349 324 312 Q Q 1,851 1,760 1,687 Q Q

Health Care ................................................. 127 127 125 Q 2 2,918 2,815 2,537 Q 433

 Inpatient ..................................................... 11 11 9 Q 2 1,865 1,762 1,554 Q 356

 Outpatient .................................................. 116 116 116 Q Q 1,053 1,053 983 Q Q

Lodging ........................................................ 153 126 123 Q Q 4,521 4,051 3,880 Q 219

Mercantile .................................................... 667 632 622 26 Q 10,398 10,174 9,914 462 Q

 Retail (Other Than Mall) ............................ 534 499 491 Q Q 4,766 4,573 4,423 Q Q

 Enclosed and Strip Malls ........................... 133 132 131 Q Q 5,631 5,601 5,492 Q Q

Office ........................................................... 739 716 695 31 6 12,044 11,782 11,024 319 678

Public Assembly .......................................... 305 232 214 Q Q 4,393 3,859 3,544 Q 436

Public Order and Safety .............................. 72 32 31 Q Q 1,168 760 706 Q Q

Religious Worship ....................................... 307 232 231 Q Q 3,405 2,765 2,763 Q Q

Service ........................................................ 478 289 288 Q Q 3,388 2,481 2,470 Q Q

Warehouse and Storage ............................. 603 308 305 Q Q 10,477 7,621 7,520 Q Q

Other ............................................................ 102 76 64 Q Q 1,222 1,087 880 Q Q

Vacant ......................................................... 253 27 27 N N 1,908 368 368 N N

Year Constructed

1919 or Before ............................................. 419 260 245 Q Q 4,034 2,911 2,632 Q Q

1920 to 1945 ................................................ 499 313 312 Q 2 6,445 4,383 4,235 Q 134

1946 to 1959 ................................................ 763 589 578 Q 5 9,127 7,601 7,160 Q 406

1960 to 1969 ................................................ 665 496 472 26 7 10,866 9,325 8,676 353 633

1970 to 1979 ................................................ 774 649 636 35 Q 11,840 11,050 10,583 376 492

1980 to 1989 ................................................ 846 702 693 11 Q 13,931 12,849 12,490 300 424

1990 to 1999 ................................................ 690 549 514 Q 4 11,094 10,355 9,770 416 407

Census Region

Northeast ..................................................... 686 473 459 13 2 12,360 10,311 9,766 446 326

Midwest ....................................................... 1,188 861 825 48 14 16,761 14,371 13,474 550 746

South ........................................................... 1,762 1,506 1,492 Q Q 23,485 21,549 20,908 266 939

West ............................................................ 1,021 720 673 60 13 14,731 12,243 11,396 652 739

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ................................ 525 366 347 Q Q 5,890 4,804 4,631 249 Q

 5,500-7,000 HDD ...................................... 986 711 689 35 6 17,083 14,289 13,284 743 763

 4,000-5,499 HDD ...................................... 1,085 766 734 30 Q 16,243 13,999 13,213 423 653

 Fewer than 4,000 HDD .............................. 1,134 913 885 42 7 16,333 14,535 13,972 405 683

2,000 CDD or More and --

 Fewer than 4,000 HDD .............................. 926 803 795 Q 23 11,788 10,847 10,444 Q 589

All

Buildings

All 

Buildings 

with 

Cooling

Table B24. Cooling Energy Sources, Number of Buildings and Floorspace, 1999

Cooling Energy Sources

(more than one may apply)

Cooling Energy Sources

(more than one may apply)

Number of Buildings (thousand) Total Floorspace (million square feet)

All

Buildings

All 

Buildings 

with 

Cooling

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables 78
Electricity

Natural 

Gas

District 

Chilled 

Water Electricity

Natural 

Gas

District 

Chilled 

Water

All

Buildings

All 

Buildings 

with 

Cooling

Table B24. Cooling Energy Sources, Number of Buildings and Floorspace, 1999

Cooling Energy Sources

(more than one may apply)

Cooling Energy Sources

(more than one may apply)

Number of Buildings (thousand) Total Floorspace (million square feet)

All

Buildings

All 

Buildings 

with 

Cooling

Workers (main shift)

Fewer than 5 ................................................ 2,376 1,513 1,466 63 Q 14,321 8,704 8,396 398 Q

5 to 9 ............................................................ 807 681 667 Q Q 6,325 5,291 5,146 Q Q

10 to 19 ........................................................ 683 636 617 Q Q 8,028 7,409 7,086 Q Q

20 to 49 ........................................................ 487 433 420 Q 3 10,814 9,930 9,634 258 162

50 to 99 ........................................................ 174 169 163 Q 10 8,898 8,519 8,208 287 478

100 to 249 .................................................... 90 88 82 5 4 8,356 8,129 7,505 361 484

250 or More ................................................. 39 39 35 0 5 10,595 10,491 9,570 173 1,234

Weekly Operating Hours

39 or Fewer ................................................. 978 439 438 Q Q 6,596 3,113 3,085 Q Q

40 to 48 ........................................................ 1,156 968 955 24 Q 13,105 11,041 10,724 321 239

49 to 60 ........................................................ 986 850 808 40 13 14,200 13,225 12,456 418 589

61 to 84 ........................................................ 664 563 547 20 6 12,458 11,701 11,074 344 504

85 to 167 ...................................................... 474 436 419 29 4 9,116 8,528 7,964 380 505

Open Continuously ...................................... 398 304 285 Q 11 11,863 10,866 10,242 281 893

Energy Sources (more than

one may apply)

Electricity ..................................................... 4,395 3,560 3,450 142 50 65,716 58,474 55,545 1,914 2,750

Natural Gas ................................................. 2,670 2,335 2,237 142 21 45,525 42,147 40,387 1,914 1,316

Fuel Oil ........................................................ 434 302 299 2 3 13,285 12,185 11,591 218 749

District Heat ................................................. 117 97 73 Q 43 5,891 5,165 3,459 Q 2,354

District Chilled Water ................................... 50 50 24 Q 50 2,750 2,750 1,093 Q 2,750

Propane ....................................................... 451 318 315 Q Q 6,290 5,415 5,327 Q Q

Other ............................................................ 153 107 106 Q Q 2,322 2,069 1,975 Q Q

Primary Space-Heating

Energy Source

Electricity ..................................................... 1,128 1,058 1,055 Q Q 17,627 17,160 16,992 Q 310

Natural Gas ................................................. 2,189 1,883 1,806 120 3 32,729 30,003 28,934 1,663 334

Fuel Oil ........................................................ 302 192 192 Q Q 3,719 2,912 2,907 Q Q

District Heat ................................................. 77 58 35 Q 28 5,077 4,392 2,746 Q 2,084

Propane ....................................................... 282 197 197 N N 2,107 1,631 1,627 N N

Other ............................................................ 38 Q Q N N 343 263 Q N N

Water-Heating Energy Sources

(more than one may apply)

Electricity ..................................................... 1,546 1,435 1,402 47 Q 24,171 23,177 22,748 573 447

Natural Gas ................................................. 1,520 1,374 1,308 81 15 29,196 27,461 26,533 1,358 498

Fuel Oil ........................................................ 110 70 70 Q Q 2,218 1,890 1,877 Q Q

District Heat ................................................. 62 50 38 Q 19 4,182 3,723 2,404 Q 1,729

Propane ....................................................... 130 109 109 N Q 1,371 1,141 1,129 N Q

Cooking Energy Sources

(more than one may apply)

Electricity ..................................................... 437 409 387 27 4 13,733 13,247 12,710 352 530

Natural Gas ................................................. 505 479 464 22 4 16,785 16,268 15,695 615 701

Propane ....................................................... 118 95 95 N Q 1,754 1,634 1,632 N Q

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4,016 3,400 3,297 137 49 61,602 56,361 53,459 1,898 2,739

Buildings with Cooling ................................. 3,560 3,560 3,450 142 50 58,474 58,474 55,545 1,914 2,750

Buildings with Water Heating ...................... 3,239 2,915 2,809 119 37 56,115 52,589 49,968 1,744 2,455

Buildings with Cooking ................................ 857 792 766 31 6 24,681 23,730 22,723 705 1,047

Buildings with Manufacturing ....................... 151 129 127 Q Q 3,126 2,861 2,805 Q Q

Buildings with Electricity

 Generation .................................................. 172 149 138 Q 5 11,882 11,538 10,842 243 919

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables 79
Electricity

Natural 

Gas

District 

Chilled 

Water Electricity

Natural 

Gas

District 

Chilled 

Water

All

Buildings

All 

Buildings 

with 

Cooling

Table B24. Cooling Energy Sources, Number of Buildings and Floorspace, 1999

Cooling Energy Sources

(more than one may apply)

Cooling Energy Sources

(more than one may apply)

Number of Buildings (thousand) Total Floorspace (million square feet)

All

Buildings

All 

Buildings 

with 

Cooling

Percent of Floorspace Cooled

Not Cooled .................................................. 1,097 N N N N 8,864 N N N N

1 to 50 .......................................................... 1,012 1,012 1,005 20 Q 16,846 16,846 16,536 435 Q

51 to 99 ........................................................ 751 751 720 32 8 16,966 16,966 16,117 609 772

100 ............................................................... 1,796 1,796 1,725 90 40 24,662 24,662 22,893 870 1,805

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 676 676 676 Q Q 8,329 8,329 8,329 Q Q

Heat Pumps ................................................. 485 485 485 17 4 9,147 9,147 9,120 187 336

Individual Air Conditioners ........................... 799 799 799 18 Q 14,276 14,276 14,276 376 359

District Chilled Water ................................... 50 50 24 Q 50 2,750 2,750 1,093 Q 2,750

Central Chillers ............................................ 130 130 127 2 1 12,909 12,909 12,405 272 386

Packaged Air Conditioning

 Units ........................................................... 1,953 1,953 1,870 111 Q 36,527 36,527 35,387 1,595 721

Swamp Coolers ........................................... 136 136 135 Q Q 2,219 2,219 2,175 Q Q

Other ............................................................ 49 49 48 Q Q 1,312 1,312 1,244 Q Q

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 80