Released: June 2006
Next CBECS will be conducted in 2007

Table B31. Water-Heating Energy Sources, Number of Buildings for Non-Mall Buildings, 2003
  Number of Buildings (thousand)
All
Buildings*
Buildings
with
Water
Heating
Water-Heating Energy Sources Used
(more than one may apply)
Elec-
tricity
Natural
Gas
Fuel
Oil
District
Heat
Propane
All Buildings* ............................... 4,645 3,472 1,910 1,445 94 27 128
Building Floorspace
(Square Feet)
1,001 to 5,000 ................................ 2,552 1,715 1,020 617 41 N 66
5,001 to 10,000 .............................. 889 725 386 307 Q Q 27
10,001 to 25,000 ............................ 738 607 301 285 16 Q 27
25,001 to 50,000 ............................ 241 217 110 114 Q Q Q
50,001 to 100,000 .......................... 129 119 53 70 Q 5 Q
100,001 to 200,000 ........................ 65 60 27 35 Q 5 Q
200,001 to 500,000 ........................ 25 23 9 14 Q 2 Q
Over 500,000 ................................. 7 6 3 3 Q 1 N
Principal Building Activity
Education ....................................... 386 298 144 149 10 6 15
Food Sales ..................................... 226 186 109 68 Q N Q
Food Service ................................. 297 297 101 176 Q Q Q
Health Care .................................... 129 127 72 56 1 1 Q
  Inpatient ....................................... 8 8 1 6 0 1 Q
  Outpatient .................................... 121 119 70 50 Q Q N
Lodging .......................................... 142 142 45 74 14 Q 18
Retail (Other Than Mall).................. 443 314 189 118 Q N Q
Office ............................................. 824 733 443 273 Q 10 Q
Public Assembly ............................ 277 227 128 81 Q 3 Q
Public Order and Safety ................ 71 70 32 24 Q Q Q
Religious Worship .......................... 370 315 171 139 Q N Q
Service .......................................... 622 418 260 154 Q Q Q
Warehouse and Storage ............... 597 243 163 85 Q Q Q
Other .............................................. 79 55 32 20 Q Q Q
Vacant ........................................... 182 47 21 27 N Q N
Year Constructed
Before 1920 ................................... 330 266 121 120 Q Q Q
1920 to 1945 .................................. 527 367 139 212 15 Q Q
1946 to 1959 .................................. 562 416 212 191 Q Q Q
1960 to 1969 .................................. 579 444 237 177 20 8 24
1970 to 1979 .................................. 731 582 333 248 13 3 Q
1980 to 1989 .................................. 707 531 347 170 Q 3 23
1990 to 1999 .................................. 876 642 373 257 Q Q Q
2000 to 2003 .................................. 334 224 146 70 Q Q Q
Census Region and Division
Northeast ....................................... 726 600 249 266 84 8 22
  New England ............................... 233 188 92 38 53 Q Q
  Middle Atlantic .............................. 493 411 157 229 32 6 Q
Midwest ......................................... 1,266 987 504 469 Q 6 44
  East North Central ........................ 696 572 263 323 Q 3 Q
  West North Central ...................... 571 415 241 146 Q Q Q
South ............................................. 1,775 1,217 841 370 Q 7 35
  South Atlantic .............................. 874 643 491 147 Q Q 19
  East South Central ....................... 348 227 153 72 N Q Q
  West South Central ...................... 553 347 197 151 Q Q Q
West .............................................. 878 668 316 340 Q Q Q
  Mountain ...................................... 299 256 109 140 Q Q Q
  Pacific .......................................... 580 413 207 201 Q Q Q
Climate Zone: 30-Year Average
Under 2,000 CDD and --
  More than 7,000 HDD ................... 855 683 324 312 41 4 28
  5,500-7,000 HDD ......................... 1,173 926 454 440 33 8 29
  4,000-5,499 HDD ......................... 673 554 314 203 19 7 Q
  Fewer than 4,000 HDD ................ 1,276 883 504 377 Q 6 28
2,000 CDD or More and --
  Fewer than 4,000 HDD ................ 669 426 315 113 Q Q Q
Number of Workers (main shift)
Fewer than 5 ................................. 2,653 1,653 995 569 46 Q 78
5 to 9 .............................................. 778 675 365 297 Q Q Q
10 to 19 .......................................... 563 514 258 238 Q Q Q
20 to 49 .......................................... 398 384 183 203 Q 11 Q
50 to 99 .......................................... 147 142 59 83 Q Q Q
100 to 249 ...................................... 77 75 35 39 Q 5 Q
250 or More ................................... 30 30 15 15 1 3 Q
Weekly Operating Hours
Fewer than 40 ............................... 1,002 580 347 212 Q Q Q
40 to 48 .......................................... 1,117 856 519 318 Q Q Q
49 to 60 .......................................... 1,062 845 504 330 17 Q Q
61 to 84 .......................................... 591 506 252 235 Q 5 Q
85 to 167 ........................................ 400 330 145 171 Q 4 Q
Open Continuously ........................ 475 356 142 178 23 7 27
Energy Sources (more than
one may apply)
Electricity ....................................... 4,404 3,470 1,910 1,445 92 27 128
Natural Gas .................................... 2,391 2,126 757 1,445 19 6 Q
Fuel Oil ........................................... 451 376 206 85 94 3 18
District Heat ................................... 67 61 25 15 Q 27 Q
District Chilled Water ...................... 33 31 9 14 Q 10 Q
Propane ......................................... 502 428 268 27 25 Q 128
Other .............................................. 132 95 58 20 Q Q Q
Primary Space-Heating
Energy Source
Electricity ....................................... 1,258 999 823 184 Q Q 15
Natural Gas .................................... 1,999 1,765 642 1,190 2 Q Q
Fuel Oil ........................................... 282 226 131 18 79 N Q
District Heat ................................... 63 57 25 14 Q 25 N
Propane ......................................... 308 252 163 N Q N 92
Other .............................................. 72 38 Q Q Q N Q
Cooking Energy Sources
(more than one may apply)
Electricity ....................................... 410 407 219 189 10 2 18
Natural Gas .................................... 457 451 116 354 14 2 N
Propane ......................................... 108 101 40 Q Q Q 47
Energy End Uses (more than
one may apply)
Buildings with Space Heating ........ 3,982 3,337 1,815 1,407 87 27 124
Buildings with Cooling .................... 3,625 3,112 1,708 1,326 62 25 109
Buildings with Water Heating ......... 3,472 3,472 1,910 1,445 94 27 128
Buildings with Cooking ................... 801 787 316 426 32 3 59
Buildings with Manufacturing ........ 119 102 63 42 Q Q Q
Buildings with Electricity
 Generation .................................... 149 143 69 73 6 5 Q
Water Heating Equipment
Centralized System ........................ 2,513 2,513 1,265 1,103 91 22 98
Distributed System ......................... 785 785 550 240 Q Q Q
Combination of Centralized
 and Distributed System ................. 175 175 94 102 2 3 Q
See "Guide to the Tables" or "Glossary" for further explanations of the terms used in this table. Both can be accessed from the CBECS web site - http://www.eia.gov/consumption/commercial/.
 * Figures in this table do not include enclosed malls and strip malls. Mall buildings add an estimated 213 thousand buildings comprising 6.9 billion square feet.
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 2003 Commercial Buildings Energy Consumption Survey.