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Table B34. Percent of floorspace heated, number of buildings and floorspace, 2012

Released: May 2016

Number of buildings (thousand) Total floorspace (million square feet)
  All
buildings		 Not heated 1 to 50
percent
heated		 51 to 99
percent
heated		 100 percent
heated		 All
buildings		 Not heated 1 to 50
percent
heated		 51 to 99
percent
heated		 100 percent
heated
All buildings 5,557 835 697 727 3,298 87,093 7,015 10,130 14,650 55,298
Building floorspace (square feet)                    
1,001 to 5,000 2,777 520 301 299 1,657 8,041 1,342 951 914 4,833
5,001 to 10,000 1,229 183 186 184 676 8,900 1,310 1,387 1,338 4,866
10,001 to 25,000 884 86 143 135 520 14,105 1,360 2,365 2,048 8,332
25,001 to 50,000 332 28 36 47 221 11,917 1,007 1,292 1,657 7,962
50,001 to 100,000 199 12 19 36 133 13,918 804 1,359 2,469 9,287
100,001 to 200,000 90 4 8 16 63 12,415 474 1,146 2,163 8,632
200,001 to 500,000 38 Q 4 8 24 10,724 Q 1,131 2,202 7,015
Over 500,000 8 Q 1 2 5 7,074 Q 500 1,859 4,371
Principal building activity                    
Education 389 Q Q 56 314 12,239 Q Q 1,699 10,178
Food sales 177 Q Q 46 105 1,252 Q Q 405 743
Food service 380 Q 37 63 260 1,819 Q 185 368 1,209
Health care 157 Q Q 13 129 4,155 Q Q 435 3,564
Inpatient 10 Q Q 1 8 2,374 Q Q 269 2,069
Outpatient 147 Q Q 12 121 1,781 Q Q 166 1,495
Lodging 158 Q Q 15 128 5,826 Q Q 938 4,572
Mercantile 602 30 73 138 361 11,330 536 914 3,302 6,577
Retail (other than mall) 438 27 60 82 270 5,439 351 439 1,236 3,412
Enclosed and strip malls 164 Q 13 57 91 5,890 Q 475 2,066 3,165
Office 1,012 23 73 165 750 15,952 198 758 3,558 11,437
Public assembly 352 22 35 51 244 5,559 236 544 996 3,783
Public order and safety 84 Q Q Q 66 1,440 Q Q Q 1,200
Religious worship 412 Q 35 43 330 4,557 Q 496 710 3,305
Service 619 90 109 86 334 4,630 474 767 747 2,643
Warehouse and storage 796 375 224 28 168 13,077 3,091 4,737 843 4,407
Other 125 Q 30 Q 61 2,002 Q 408 Q 1,038
Vacant 296 209 33 Q 48 3,256 1,841 639 Q 642
Year constructed                    
Before 1920 362 39 65 70 187 3,983 400 705 777 2,101
1920 to 1945 488 75 42 74 296 6,025 498 507 1,314 3,706
1946 to 1959 599 83 81 85 350 7,381 486 927 1,358 4,610
1960 to 1969 639 80 74 82 403 10,362 633 1,094 1,407 7,228
1970 to 1979 684 85 101 76 421 10,846 800 1,378 1,474 7,193
1980 to 1989 915 161 134 121 500 15,230 1,507 2,091 2,991 8,641
1990 to 1999 845 170 101 94 480 13,803 1,414 1,417 2,487 8,485
2000 to 2003 375 53 38 47 237 7,215 508 741 1,164 4,803
2004 to 2007 347 56 31 40 220 6,524 552 722 1,013 4,237
2008 to 2012 303 33 30 37 203 5,723 218 547 664 4,294
Census region and division                    
Northeast 805 79 86 137 503 15,534 481 1,132 2,873 11,049
New England 302 38 32 53 179 4,302 212 Q 805 2,910
Middle Atlantic 504 41 55 84 324 11,232 269 757 2,068 8,138
Midwest 1,237 141 103 137 856 18,919 864 1,310 2,239 14,506
East North Central 735 65 56 76 538 12,742 502 734 1,545 9,961
West North Central 502 76 47 61 318 6,178 362 576 694 4,545
South 2,247 405 297 267 1,278 34,279 3,781 3,979 6,218 20,302
South Atlantic 1,091 218 137 127 610 17,981 2,098 2,193 3,098 10,592
East South Central 370 34 40 44 252 4,904 212 469 1,236 2,987
West South Central 786 153 121 96 416 11,394 1,471 1,317 1,883 6,724
West 1,267 210 211 185 661 18,360 1,890 3,709 3,320 9,441
Mountain 338 45 32 32 230 4,981 277 592 658 3,453
Pacific 929 165 179 153 432 13,379 1,612 3,117 2,662 5,988
Climate region1                    
Very cold/Cold 2,031 239 193 239 1,360 31,898 1,430 2,315 4,050 24,104
Mixed-humid 1,743 199 188 231 1,125 27,873 1,157 2,485 5,425 18,806
Mixed-dry/Hot-dry 837 161 185 139 352 12,037 1,553 3,165 2,434 4,885
Hot-humid 799 205 114 92 387 12,831 2,741 1,752 2,146 6,193
Marine 147 Q 18 Q 73 2,454 Q 414 595 1,310
Number of floors                    
One 3,836 723 489 418 2,206 39,809 5,296 5,882 5,845 22,786
Two 1,158 86 151 170 750 20,206 795 2,788 2,862 13,761
Three 374 Q 42 93 220 8,140 Q 583 1,500 5,812
Four to nine 177 6 15 42 114 13,535 543 690 2,606 9,697
Ten or more 13 Q Q 4 8 5,404 Q Q 1,836 3,242
Number of workers (main shift)                    
Fewer than 5 2,892 708 366 331 1,487 17,751 4,820 2,527 1,904 8,500
5 to 9 1,085 65 165 153 702 8,973 481 2,012 1,369 5,111
10 to 19 731 39 92 107 493 9,623 652 1,543 1,323 6,104
20 to 49 513 19 57 74 362 14,514 389 1,988 2,561 9,576
50 to 99 206 Q 10 41 152 13,476 Q 968 2,870 9,345
100 to 249 93 Q 5 14 74 10,941 Q 648 1,721 8,436
250 or more 37 Q 1 7 29 11,815 Q 444 2,900 8,226
Weekly operating hours                    
Fewer than 40 1,149 334 131 94 590 8,220 2,457 908 651 4,205
40 to 48 1,346 116 225 178 827 15,828 961 2,656 2,655 9,556
49 to 60 1,244 100 169 167 807 20,529 1,164 2,753 2,894 13,718
61 to 84 764 92 98 136 438 15,867 719 1,751 3,556 9,841
85 to 167 479 65 35 91 288 9,395 684 874 1,843 5,994
Open continuously 575 128 38 61 349 17,253 1,030 1,188 3,052 11,983
Energy sources
(more than one may apply)		                    
Electricity 5,234 517 696 725 3,297 84,869 4,816 10,114 14,645 55,293
Natural gas 2,933 45 322 465 2,101 58,725 597 5,716 11,147 41,265
Fuel oil 467 12 65 58 332 20,200 530 2,005 3,815 13,849
District heat 48 Q Q 7 40 5,964 Q Q 1,126 4,720
District chilled water 54 Q Q 9 41 4,608 Q Q 596 3,855
Propane 510 19 91 70 330 7,706 374 1,463 1,135 4,734
Other 172 N 20 37 115 3,826 N 340 926 2,559
Space-heating energy sources
(more than one may apply)		                    
Electricity 2,858 N 484 463 1,911 49,030 N 6,797 9,640 32,593
Natural gas 2,612 N 285 420 1,907 49,511 N 4,940 9,298 35,274
Fuel oil 270 N 47 36 187 4,351 N 751 606 2,994
District heat 48 N Q 7 40 5,925 N Q 1,126 4,683
Propane 342 N 59 55 228 3,067 N 490 659 1,918
Other 101 N Q Q 66 1,010 N Q Q 737
Primary space-heating
energy source		                    
Electricity 1,819 N 369 275 1,175 26,205 N 5,013 4,903 16,289
Natural gas 2,322 N 244 370 1,709 42,988 N 4,123 7,919 30,946
Fuel oil 205 N 31 28 146 2,542 N Q 319 1,767
District heat 47 N Q 7 40 5,797 N Q 1,067 4,614
Propane 261 N 45 33 183 1,948 N 370 318 1,259
Other 67 N Q Q 46 598 N Q Q 422
Energy end uses
(more than one may apply)		                    
Buildings with space heating 4,722 N 697 727 3,298 80,078 N 10,130 14,650 55,298
Buildings with cooling 4,461 189 584 676 3,012 79,294 2,459 9,164 14,438 53,232
Buildings with water heating 4,423 186 549 653 3,034 79,015 2,432 8,908 13,930 53,746
Buildings with cooking 1,589 64 134 244 1,146 38,546 775 2,020 8,040 27,711
Buildings with manufacturing 259 Q 73 40 121 5,078 Q 1,247 1,037 2,506
Buildings with electricity
generation		 410 Q 35 56 308 25,642 487 1,696 4,679 18,779
Percent of floorspace cooled                    
Not cooled 1,096 646 113 51 286 7,799 4,556 966 212 2,066
1 to 50 1,173 75 496 131 471 18,891 1,034 7,528 1,893 8,435
51 to 99 897 22 40 482 353 22,728 434 779 11,180 10,334
100 2,391 92 48 63 2,188 37,676 991 857 1,365 34,463
Percent lit when open                    
Zero 70 63 Q N Q 322 266 Q N Q
1 to 50 1,099 136 325 138 500 12,628 1,261 4,056 1,618 5,693
51 to 99 1,666 78 144 405 1,039 34,814 1,242 2,861 9,145 21,566
100 2,222 163 197 169 1,692 35,726 1,522 2,939 3,807 27,458
Building never open/electricity
not used		 501 395 28 Q 63 3,603 2,724 253 Q 547
Heating equipment
(more than one may apply)		                    
Heat pumps 628 N 81 99 448 11,846 N 1,390 2,531 7,925
Furnaces 755 N 76 104 575 8,654 N 931 1,628 6,095
Individual space heaters 1,247 N 233 210 805 20,766 N 2,964 4,499 13,303
District heat 48 N Q 7 40 5,925 N Q 1,126 4,683
Boilers 544 N 34 102 407 22,443 N 1,016 4,532 16,895
Packaged heating units 2,802 N 381 456 1,965 49,188 N 6,769 9,295 33,125
Other 62 N Q 13 39 1,574 N Q 550 980
HVAC conservation features
(more than one may apply)		                    
Economizer cycle 601 12 39 110 440 30,749 295 1,555 6,253 22,646
Regular HVAC maintenance 3,178 99 354 496 2,228 69,244 1,727 6,828 12,492 48,197
Building automation system (BAS)2 781 13 58 139 570 37,051 540 1,910 7,654 26,946
Equipment usage reduced when
building not in full use
(more than one may apply)		                    
Heating 3,699 N 533 597 2,568 63,167 N 7,577 12,590 43,000
Cooling 3,517 125 469 553 2,369 62,516 1,613 7,094 12,241 41,568
Lighting 4,757 350 640 684 3,082 78,594 3,639 9,381 13,524 52,050
 
1These climate regions were created by the Building America program, sponsored by the U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy (EERE).
2In earlier CBECS publications, BAS was referred to as Energy Management and Control System (EMCS).
Q = Data withheld either because the Relative Standard Error (RSE) was greater than 50 percent or fewer than 20 buildings were sampled.
N = No cases in reporting sample.
Notes: • Because of rounding, data may not sum to totals. • See Guide to the 2012 CBECS Detailed Tables or CBECS Terminology for definition of terms used in these tables and/or comparison of differences with prior CBECS tables. Both references can be accessed from http://www.eia.gov/consumption/commercial/data/2012/
Source: U.S. Energy Information Administration, Office of Energy Consumption and Efficiency Statistics, Form EIA-871A of the 2012 Commercial Buildings Energy Consumption Survey.