All

Buildings

Not 

Cooled

1 to 50 

Percent 

Cooled

51 to 99 

Percent 

Cooled

100 

Percent 

Cooled

All

Buildings

Not 

Cooled

1 to 50 

Percent 

Cooled

51 to 99 

Percent 

Cooled

100 

Percent 

Cooled

All Buildings ............................................... 4,657 1,097 1,012 751 1,796 67,338 8,864 16,846 16,966 24,662

Building Floorspace

(Square Feet)

1,001 to 5,000 .............................................. 2,348 668 352 294 1,034 6,774 1,895 1,084 838 2,957

5,001 to 10,000 ............................................ 1,110 282 292 188 348 8,238 2,026 2,233 1,435 2,544

10,001 to 25,000 .......................................... 708 98 242 146 222 11,153 1,623 3,829 2,224 3,477

25,001 to 50,000 .......................................... 257 34 69 58 96 9,311 1,195 2,517 2,128 3,470

50,001 to 100,000 ........................................ 145 10 37 37 60 10,112 711 2,574 2,668 4,159

100,001 to 200,000 ...................................... 59 4 13 16 27 8,271 662 1,701 2,281 3,627

200,001 to 500,000 ...................................... 23 2 7 8 7 6,851 506 1,950 2,339 2,055

Over 500,000 ............................................... 7 Q 1 3 2 6,628 Q 957 3,053 2,372

Principal Building Activity

Education .................................................... 327 54 55 59 160 8,651 678 2,718 2,242 3,013

Food Sales .................................................. 174 Q Q 57 88 994 Q Q 372 440

Food Service ............................................... 349 Q 59 98 167 1,851 Q 274 752 734

Health Care ................................................. 127 Q Q 27 76 2,918 Q Q 1,258 1,409

 Inpatient ..................................................... 11 Q Q 3 4 1,865 Q Q 943 757

 Outpatient .................................................. 116 N Q 23 72 1,053 N Q 315 652

Lodging ........................................................ 153 27 12 35 80 4,521 470 368 1,542 2,141

Mercantile .................................................... 667 35 210 152 270 10,398 224 1,982 3,227 4,965

 Retail (Other Than Mall) ............................ 534 34 184 117 199 4,766 194 1,662 1,266 1,645

 Enclosed and Strip Malls ........................... 133 Q Q 35 71 5,631 Q Q 1,961 3,320

Office ........................................................... 739 22 63 154 499 12,044 262 893 4,525 6,363

Public Assembly .......................................... 305 73 20 54 157 4,393 535 602 1,059 2,198

Public Order and Safety .............................. 72 Q 16 9 6 1,168 Q 200 285 274

Religious Worship ....................................... 307 76 55 41 136 3,405 640 746 688 1,331

Service ........................................................ 478 190 185 34 69 3,388 907 1,598 338 545

Warehouse and Storage ............................. 603 295 264 Q 26 10,477 2,855 6,721 299 601

Other ............................................................ 102 Q 24 6 45 1,222 Q 276 323 488

Vacant ......................................................... 253 226 Q Q Q 1,908 1,540 Q Q Q

Year Constructed

1919 or Before ............................................. 419 159 105 65 90 4,034 1,123 1,237 1,022 653

1920 to 1945 ................................................ 499 186 133 94 86 6,445 2,062 1,936 1,234 1,213

1946 to 1959 ................................................ 763 174 205 102 282 9,127 1,526 3,068 1,796 2,737

1960 to 1969 ................................................ 665 169 126 123 247 10,866 1,542 2,406 3,235 3,683

1970 to 1979 ................................................ 774 125 163 118 368 11,840 790 2,812 2,998 5,240

1980 to 1989 ................................................ 846 144 148 128 426 13,931 1,083 2,833 3,584 6,431

1990 to 1999 ................................................ 690 141 131 122 296 11,094 739 2,553 3,096 4,706

Floors

One .............................................................. 2,879 781 481 363 1,255 26,800 4,944 7,123 4,299 10,434

Two .............................................................. 1,168 195 361 218 394 16,985 1,794 5,309 3,984 5,898

Three ........................................................... 420 88 138 114 80 8,928 969 2,717 2,647 2,594

Four to Nine ................................................. 178 33 31 51 62 10,180 971 1,480 3,729 3,999

Ten or More ................................................. 11 Q 1 5 5 4,445 Q 216 2,306 1,737

Census Region

Northeast ..................................................... 686 213 226 80 168 12,360 2,049 3,914 3,196 3,202

Midwest ....................................................... 1,188 327 330 207 324 16,761 2,390 5,068 4,741 4,562

South ........................................................... 1,762 256 289 320 896 23,485 1,936 4,618 5,801 11,130

West ............................................................ 1,021 301 167 144 409 14,731 2,489 3,246 3,229 5,768

Climate Zone: 45-Year Average

Under 2,000 CDD and --

 More than 7,000 HDD ................................ 525 159 169 101 96 5,890 1,086 2,218 1,442 1,144

 5,500-7,000 HDD ...................................... 986 275 266 167 278 17,083 2,794 4,601 4,744 4,944

 4,000-5,499 HDD ...................................... 1,085 319 263 153 350 16,243 2,245 4,435 4,416 5,148

 Fewer than 4,000 HDD .............................. 1,134 221 141 173 599 16,333 1,798 3,068 3,826 7,641

2,000 CDD or More and --

 Fewer than 4,000 HDD .............................. 926 123 173 157 474 11,788 941 2,524 2,538 5,785

Table B29. Percent of Floorspace Cooled, Number of Buildings and Floorspace, 1999

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

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables 90
All

Buildings

Not 

Cooled

1 to 50 

Percent 

Cooled

51 to 99 

Percent 

Cooled

100 

Percent 

Cooled

All

Buildings

Not 

Cooled

1 to 50 

Percent 

Cooled

51 to 99 

Percent 

Cooled

100 

Percent 

Cooled

Table B29. Percent of Floorspace Cooled, Number of Buildings and Floorspace, 1999

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

Workers (main shift)

Fewer than 5 ................................................ 2,376 862 416 314 784 14,321 5,617 3,288 1,843 3,573

5 to 9 ............................................................ 807 126 270 89 322 6,325 1,034 2,477 734 2,080

10 to 19 ........................................................ 683 47 170 152 314 8,028 618 2,799 1,977 2,634

20 to 49 ........................................................ 487 54 99 106 228 10,814 884 3,152 2,714 4,065

50 to 99 ........................................................ 174 5 36 50 83 8,898 379 2,173 2,510 3,837

100 to 249 .................................................... 90 Q 19 28 42 8,356 Q 1,910 2,639 3,580

250 or More ................................................. 39 Q 3 13 23 10,595 Q 1,048 4,550 4,893

Weekly Operating Hours

39 or Fewer ................................................. 978 539 88 66 285 6,596 3,483 815 596 1,702

40 to 48 ........................................................ 1,156 188 309 170 489 13,105 2,064 4,305 2,311 4,426

49 to 60 ........................................................ 986 136 292 184 375 14,200 974 4,595 3,580 5,050

61 to 84 ........................................................ 664 102 198 124 242 12,458 757 2,797 3,634 5,270

85 to 167 ...................................................... 474 38 71 127 238 9,116 588 2,561 2,645 3,322

Open Continuously ...................................... 398 94 54 82 168 11,863 998 1,774 4,201 4,891

Vacancy Status

Completely Vacant ...................................... 140 128 Q Q Q 953 797 Q Q Q

Mostly Vacant .............................................. 113 98 Q Q Q 956 743 Q Q Q

Partially Vacant ............................................ 697 198 134 158 206 15,520 1,723 2,849 5,123 5,825

Not At All Vacant ......................................... 3,707 673 874 585 1,575 49,910 5,601 13,844 11,788 18,677

Energy Sources (more than

one may apply)

Electricity ..................................................... 4,395 836 1,012 751 1,796 65,716 7,242 16,846 16,966 24,662

Natural Gas ................................................. 2,670 335 679 544 1,112 45,525 3,378 12,068 12,694 17,386

Fuel Oil ........................................................ 434 132 149 63 90 13,285 1,100 3,354 4,780 4,051

District Heat ................................................. 117 20 9 31 57 5,891 726 583 1,957 2,626

District Chilled Water ................................... 50 N Q 8 40 2,750 N Q 772 1,805

Propane ....................................................... 451 133 97 52 169 6,290 875 2,203 1,620 1,592

Other ............................................................ 153 46 34 19 54 2,322 253 574 756 739

Cooling Energy Sources

(more than one may apply)

Electricity ..................................................... 3,450 N 1,005 720 1,725 55,545 N 16,536 16,117 22,893

Natural Gas ................................................. 142 N 20 32 90 1,914 N 435 609 870

District Chilled Water ................................... 50 N Q 8 40 2,750 N Q 772 1,805

Energy End Uses (more than

one may apply)

Buildings with Space Heating ...................... 4,016 616 965 725 1,709 61,602 5,242 16,193 16,637 23,531

Buildings with Cooling ................................. 3,560 N 1,012 751 1,796 58,474 N 16,846 16,966 24,662

Buildings with Water Heating ...................... 3,239 324 754 660 1,500 56,115 3,526 14,119 15,905 22,565

Buildings with Cooking ................................ 857 66 154 228 410 24,681 950 3,979 9,208 10,543

Buildings with Manufacturing ....................... 151 22 76 Q 42 3,126 265 1,765 517 580

Buildings with Electricity

 Generation .................................................. 172 23 40 48 61 11,882 344 1,634 5,316 4,588

Percent of Floorspace Heated

Not Heated .................................................. 641 482 47 26 87 5,736 3,622 653 329 1,131

1 to 50 .......................................................... 576 115 400 24 36 7,593 974 5,549 628 441

51 to 99 ........................................................ 627 102 113 364 48 10,745 806 2,146 6,831 963

100 ............................................................... 2,813 398 452 337 1,625 43,264 3,462 8,498 9,178 22,126

Percent Lit When Open

Zero ............................................................. 34 Q Q N Q 173 Q Q N Q

1 to 50 .......................................................... 835 177 397 76 186 9,187 1,808 4,383 1,280 1,716

51 to 99 ........................................................ 1,228 132 240 414 442 20,665 1,317 4,310 9,032 6,005

100 ............................................................... 2,096 348 365 258 1,125 34,233 3,024 8,000 6,617 16,593

Building Never Open/

 Electricity Not Used ........ 464 414 Q Q Q 3,080 2,608 Q Q Q

Energy Information Administration

1999 Commercial Buildings Energy Consumption Survey: Building Characteristics Tables 91
All

Buildings

Not 

Cooled

1 to 50 

Percent 

Cooled

51 to 99 

Percent 

Cooled

100 

Percent 

Cooled

All

Buildings

Not 

Cooled

1 to 50 

Percent 

Cooled

51 to 99 

Percent 

Cooled

100 

Percent 

Cooled

Table B29. Percent of Floorspace Cooled, Number of Buildings and Floorspace, 1999

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

Cooling Equipment (more

than one may apply)

Residential-Type Central

 Air Conditioners .......................................... 676 N 241 156 280 8,329 N 3,054 2,604 2,672

Heat Pumps ................................................. 485 N 84 92 310 9,147 N 1,910 3,040 4,197

Individual Air Conditioners ........................... 799 N 414 161 224 14,276 N 6,855 3,647 3,774

District Chilled Water ................................... 50 N Q 8 40 2,750 N Q 772 1,805

Central Chillers ............................................ 130 N Q 45 66 12,909 N 903 6,368 5,639

Packaged Air Conditioning

 Units ........................................................... 1,953 N 390 445 1,118 36,527 N 9,465 10,695 16,368

Swamp Coolers ........................................... 136 N 39 32 65 2,219 N 880 540 800

Other ............................................................ 49 N Q 19 Q 1,312 N 233 591 488

Building Shell Conservation

Features (more than one

may apply)

Multipaned Windows ................................... 2,130 295 524 392 919 38,193 2,717 9,607 11,157 14,713

Tinted, Reflective, or

 Shading Glass ............................................ 1,283 103 273 266 641 29,915 1,195 6,143 9,377 13,201

HVAC Conservation Features

(more than one may apply)

Variable Air-Volume System ....................... 550 Q 91 116 328 19,387 378 2,436 7,098 9,475

Economizer Cycle ........................................ 567 N 72 151 344 21,256 N 3,067 8,012 10,176

HVAC Maintenance ..................................... 2,786 266 682 542 1,297 53,395 3,086 13,113 15,243 21,953

Energy Management and

 Control System (EMCS) ............................. 460 37 74 85 264 21,613 795 2,983 7,618 10,216

Off-Hour Equipment Reduction

(more than one may apply)

Heating ........................................................ 2,862 414 738 494 1,216 39,969 3,329 11,278 10,170 15,191

Cooling ........................................................ 2,622 N 806 533 1,283 39,161 N 12,168 10,686 16,307

Lighting ........................................................ 3,675 565 927 627 1,556 51,083 5,079 14,601 12,311 19,093

Office Equipment ......................................... 184 9 41 41 93 9,063 315 2,614 2,454 3,679

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 92