Table B20. Space Heating Energy Sources, Number of Buildings, 1999 -------------------------------------------------------------------------------------------------------------- | | Number of Buildings (thousand) | | |-------------------------------------------------------------------------------| | | | All | | | | |Buildings|Space-Heating Energy Sources Used (more than one may apply)| | | | with |-----------------------------------------------------------| | | All | Space |Electric-| Natural | |District | | | | |Buildings| Heating | ity | Gas |Fuel Oil | Heat | Propane | Other* | -------------------------------------------------------------------------------------------------------------- All Buildings ................ 4,657 4,016 1,880 2,380 377 96 307 94 Building Floorspace (Square Feet) 1,001 to 5,000 ............... 2,348 1,982 926 1,082 214 Q 162 Q 5,001 to 10,000 .............. 1,110 946 379 624 73 Q 88 Q 10,001 to 25,000 ............. 708 629 324 389 52 19 42 Q 25,001 to 50,000 ............. 257 237 129 143 20 17 7 Q 50,001 to 100,000 ............ 145 137 74 89 9 13 5 Q 100,001 to 200,000 ........... 59 57 34 35 6 7 Q Q 200,001 to 500,000 ........... 23 22 11 13 3 3 Q Q Over 500,000 ................. 7 7 4 4 1 2 Q Q Principal Building Activity Education .................... 327 326 166 196 17 30 10 Q Food Sales ................... 174 149 63 79 Q Q Q Q Food Service ................. 349 321 143 192 Q Q Q Q Health Care .................. 127 127 78 63 Q 3 Q N - Inpatient .................. 11 11 3 5 Q 3 Q N - Outpatient ................. 116 116 75 58 Q Q Q N Lodging ...................... 153 150 101 74 Q 13 Q Q Mercantile ................... 667 626 273 392 86 Q 31 Q - Retail (Other Than Mall) ... 534 502 204 318 76 Q Q Q - Enclosed and Strip Malls ... 133 123 68 75 Q N Q N Office ....................... 739 728 430 419 65 19 Q Q Public Assembly .............. 305 274 121 153 Q 15 Q Q Public Order and Safety ...... 72 61 21 30 Q 3 Q Q Religious Worship ............ 307 306 125 206 22 Q 62 Q Service ...................... 478 421 135 260 71 Q Q Q Warehouse and Storage ........ 603 357 171 211 15 Q 39 Q Other ........................ 102 84 Q 39 Q Q Q Q Vacant ....................... 253 84 18 67 Q Q Q Q Year Constructed 1919 or Before ............... 419 350 105 254 52 19 Q Q 1920 to 1945 ................. 499 430 145 317 53 9 Q Q 1946 to 1959 ................. 763 666 307 376 98 21 39 Q 1960 to 1969 ................. 665 557 224 361 56 16 48 Q 1970 to 1979 ................. 774 691 376 423 28 Q 39 Q 1980 to 1989 ................. 846 713 411 337 54 11 66 Q 1990 to 1999 ................. 690 608 312 311 36 4 78 Q Census Region Northeast .................... 686 601 186 273 210 31 63 Q Midwest ...................... 1,188 1,049 331 834 33 22 93 26 South ........................ 1,762 1,503 945 677 114 27 120 45 West ......................... 1,021 863 418 595 Q 17 31 Q Climate Zone: 45-Year Average Under 2,000 CDD and -- - More than 7,000 HDD ........ 525 475 133 324 69 3 74 Q - 5,500-7,000 HDD ............ 986 870 312 619 111 22 66 Q - 4,000-5,499 HDD ............ 1,085 950 435 468 170 42 79 33 - Fewer than 4,000 HDD ....... 1,134 997 509 647 Q 8 Q Q 2,000 CDD or More and -- - Fewer than 4,000 HDD ....... 926 724 492 322 Q 21 Q Q Workers (main shift) Fewer than 5 ................. 2,376 1,835 773 1,047 174 30 183 55 5 to 9 ....................... 807 773 363 502 91 14 37 Q 10 to 19 ..................... 683 667 343 390 51 10 54 Q 20 to 49 ..................... 487 456 233 262 39 12 28 Q 50 to 99 ..................... 174 166 103 103 10 15 Q Q 100 to 249 ................... 90 81 43 54 8 8 Q Q 250 or More .................. 39 38 22 22 2 7 Q Q Weekly Operating Hours 39 or Fewer .................. 978 638 259 355 64 Q 113 Q 40 to 48 ..................... 1,156 1,068 516 616 90 35 72 Q 49 to 60 ..................... 986 943 457 599 103 17 28 27 61 to 84 ..................... 664 598 250 383 56 16 40 Q 85 to 167 .................... 474 407 208 232 25 7 35 Q Open Continuously ............ 398 362 189 195 38 20 18 Q Energy Sources (more than one may apply) Electricity .................. 4,395 4,008 1,880 2,373 376 96 307 94 Natural Gas .................. 2,670 2,588 954 2,380 60 41 Q 19 Fuel Oil ..................... 434 432 163 62 377 7 Q Q District Heat ................ 117 116 46 20 Q 96 Q Q District Chilled Water ....... 50 49 23 4 Q 39 Q Q Propane ...................... 451 434 145 28 76 Q 307 Q Other ........................ 153 149 57 52 Q Q Q 94 Primary Space-Heating Energy Source Electricity .................. 1,128 1,128 1,128 174 37 Q 7 Q Natural Gas .................. 2,189 2,189 607 2,189 33 2 Q Q Fuel Oil ..................... 302 302 76 2 302 Q Q Q District Heat ................ 77 77 9 Q Q 77 Q Q Propane ...................... 282 282 58 Q Q N 282 Q Other ........................ 38 38 Q Q Q N Q 38 Cooling Energy Sources (more than one may apply) Electricity .................. 3,450 3,297 1,674 1,992 246 54 211 60 Natural Gas .................. 142 137 68 135 Q Q Q N District Chilled Water ....... 50 49 23 4 Q 39 Q Q Water-Heating Energy Sources (more than one may apply) Electricity .................. 1,546 1,465 927 667 90 23 106 43 Natural Gas .................. 1,520 1,459 531 1,311 44 21 Q Q Fuel Oil ..................... 110 109 34 6 107 Q Q Q District Heat ................ 62 61 21 3 Q 46 Q Q Propane ...................... 130 116 29 Q Q N 81 Q Cooking Energy Sources (more than one may apply) Electricity .................. 437 398 216 205 36 11 43 Q Natural Gas .................. 505 475 208 390 24 Q Q Q Propane ...................... 118 111 40 Q 24 Q 52 Q Energy End Uses (more than one may apply) Buildings with Space Heating . 4,016 4,016 1,880 2,380 377 96 307 94 Buildings with Cooling ....... 3,560 3,400 1,701 2,070 246 77 212 61 Buildings with Water Heating . 3,239 3,087 1,465 1,914 246 80 195 50 Buildings with Cooking ....... 857 798 362 480 74 21 75 25 Buildings with Manufacturing . 151 143 76 67 Q Q Q Q Buildings with Electricity Generation .................. 172 169 89 97 23 9 4 Q Percent of Floorspace Heated Not Heated ................... 641 Q N Q N N N N 1 to 50 ...................... 576 576 290 301 58 Q 61 Q 51 to 99 ..................... 627 627 255 394 52 16 30 Q 100 .......................... 2,813 2,813 1,335 1,685 266 80 216 42 Heating Equipment (more than one may apply) Heat Pumps ................... 492 492 475 144 Q 4 12 Q Furnaces ..................... 1,460 1,460 512 1,077 166 Q 128 Q Individual Space Heaters ..... 894 894 584 543 100 7 104 27 District Heat ................ 96 96 26 Q Q 96 Q Q Boilers ...................... 581 581 193 381 152 Q 41 12 Packaged Heating Units ....... 1,347 1,347 744 865 17 Q 81 Q Other ........................ 185 185 110 67 34 1 19 52 -------------------------------------------------------------------------------------------------------------- *"Other" includes wood, coal, solar, and all other energy sources. 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.