2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total Water Heater Stock (thousands) | 12,200 | 12,344 | 12,522 | 12,713 | 12,928 | 13,143 | 13,352 | 13,558 | 13,763 | 13,936 | 14,112 | 14,279 | 14,448 | |
Water Heater Stock by Building Type (thousands) | ||||||||||||||
Single Detached | 6,843 | 6,930 | 7,034 | 7,145 | 7,260 | 7,366 | 7,470 | 7,574 | 7,667 | 7,735 | 7,814 | 7,883 | 7,952 | |
Single Attached | 1,285 | 1,314 | 1,344 | 1,375 | 1,410 | 1,446 | 1,483 | 1,520 | 1,555 | 1,588 | 1,619 | 1,650 | 1,682 | |
Apartments | 3,839 | 3,866 | 3,907 | 3,954 | 4,016 | 4,084 | 4,149 | 4,211 | 4,286 | 4,355 | 4,419 | 4,483 | 4,550 | |
Mobile Homes | 233 | 234 | 236 | 239 | 243 | 246 | 249 | 253 | 256 | 258 | 260 | 262 | 264 | |
Shares (%) | ||||||||||||||
Single Detached | 56.1 | 56.1 | 56.2 | 56.2 | 56.2 | 56.0 | 56.0 | 55.9 | 55.7 | 55.5 | 55.4 | 55.2 | 55.0 | |
Single Attached | 10.5 | 10.6 | 10.7 | 10.8 | 10.9 | 11.0 | 11.1 | 11.2 | 11.3 | 11.4 | 11.5 | 11.6 | 11.6 | |
Apartments | 31.5 | 31.3 | 31.2 | 31.1 | 31.1 | 31.1 | 31.1 | 31.1 | 31.1 | 31.2 | 31.3 | 31.4 | 31.5 | |
Mobile Homes | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.8 | 1.8 | 1.8 | 1.8 | |
Water Heater Stock by Energy Source (thousands) | ||||||||||||||
Electricity | 5,786 | 5,794 | 5,829 | 5,883 | 5,937 | 5,997 | 6,077 | 6,166 | 6,287 | 6,404 | 6,514 | 6,652 | 6,797 | |
Natural Gas | 5,683 | 5,812 | 5,964 | 6,102 | 6,260 | 6,422 | 6,539 | 6,653 | 6,748 | 6,807 | 6,894 | 6,949 | 6,995 | |
Heating Oil | 613 | 617 | 608 | 602 | 601 | 588 | 591 | 586 | 578 | 571 | 553 | 527 | 504 | |
Other1 | 40 | 41 | 41 | 43 | 47 | 48 | 52 | 55 | 56 | 60 | 62 | 66 | 72 | |
Wood | 79 | 80 | 80 | 82 | 84 | 87 | 93 | 96 | 94 | 94 | 88 | 84 | 78 | |
Shares (%) | ||||||||||||||
Electricity | 47.4 | 46.9 | 46.5 | 46.3 | 45.9 | 45.6 | 45.5 | 45.5 | 45.7 | 46.0 | 46.2 | 46.6 | 47.0 | |
Natural Gas | 46.6 | 47.1 | 47.6 | 48.0 | 48.4 | 48.9 | 49.0 | 49.1 | 49.0 | 48.8 | 48.9 | 48.7 | 48.4 | |
Heating Oil | 5.0 | 5.0 | 4.9 | 4.7 | 4.6 | 4.5 | 4.4 | 4.3 | 4.2 | 4.1 | 3.9 | 3.7 | 3.5 | |
Other1 | 0.3 | 0.3 | 0.3 | 0.3 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | |
Wood | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.6 | 0.6 | 0.5 |