2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total Water Heater Stock (thousands) | 401.8 | 403.8 | 406.2 | 409.3 | 412.1 | 415.3 | 418.1 | 422.4 | 428.3 | 433.0 | 437.8 | 443.7 | 450.8 | 458.4 | 466.9 | 473.6 | 479.3 | 484.3 | |
Water Heater Stock by Building Type (thousands) | |||||||||||||||||||
Single Detached | 293.9 | 295.3 | 296.8 | 298.6 | 300.3 | 302.2 | 304.0 | 307.1 | 311.1 | 314.0 | 317.4 | 321.0 | 324.7 | 328.6 | 332.6 | 335.6 | 337.8 | 340.5 | |
Single Attached | 22.0 | 22.4 | 22.8 | 23.5 | 24.1 | 24.8 | 25.4 | 26.1 | 27.0 | 27.6 | 28.2 | 28.9 | 30.0 | 31.4 | 33.0 | 34.2 | 35.1 | 36.1 | |
Apartments | 74.2 | 74.6 | 74.9 | 75.4 | 75.9 | 76.4 | 76.7 | 77.1 | 78.0 | 79.1 | 79.8 | 81.2 | 83.4 | 85.7 | 88.4 | 90.8 | 93.4 | 94.6 | |
Mobile Homes | 11.6 | 11.6 | 11.7 | 11.7 | 11.8 | 11.9 | 11.9 | 12.0 | 12.2 | 12.3 | 12.4 | 12.5 | 12.7 | 12.8 | 12.9 | 13.0 | 13.1 | 13.2 | |
Shares (%) | |||||||||||||||||||
Single Detached | 73.2 | 73.1 | 73.1 | 73.0 | 72.9 | 72.8 | 72.7 | 72.7 | 72.6 | 72.5 | 72.5 | 72.4 | 72.0 | 71.7 | 71.2 | 70.9 | 70.5 | 70.3 | |
Single Attached | 5.5 | 5.5 | 5.6 | 5.8 | 5.8 | 6.0 | 6.1 | 6.2 | 6.3 | 6.4 | 6.4 | 6.5 | 6.7 | 6.8 | 7.1 | 7.2 | 7.3 | 7.4 | |
Apartments | 18.5 | 18.5 | 18.4 | 18.4 | 18.4 | 18.4 | 18.4 | 18.3 | 18.2 | 18.3 | 18.2 | 18.3 | 18.5 | 18.7 | 18.9 | 19.2 | 19.5 | 19.5 | |
Mobile Homes | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 | 2.7 | 2.7 | |
Water Heater Stock by Energy Source (thousands) | |||||||||||||||||||
Electricity | 80.3 | 79.9 | 80.6 | 80.5 | 79.1 | 77.9 | 74.5 | 73.9 | 72.3 | 70.6 | 69.5 | 69.7 | 69.9 | 71.9 | 74.1 | 76.0 | 77.8 | 79.5 | |
Natural Gas | 314.1 | 316.6 | 318.4 | 321.6 | 325.8 | 331.6 | 337.8 | 342.8 | 350.0 | 356.4 | 362.6 | 368.4 | 375.1 | 380.5 | 386.6 | 391.0 | 394.7 | 397.7 | |
Heating Oil | 4.1 | 4.0 | 3.9 | 3.9 | 4.0 | 3.2 | 3.2 | 3.1 | 3.3 | 3.2 | 3.0 | 2.8 | 2.7 | 2.6 | 2.5 | 2.4 | 2.3 | 2.2 | |
Steam | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Other1 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.4 | 1.4 | 1.4 | 1.5 | 1.6 | 1.6 | 1.8 | 2.0 | 2.4 | 2.8 | 3.3 | 3.8 | 4.4 | |
Wood | 1.5 | 1.5 | 1.4 | 1.4 | 1.5 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.1 | 1.0 | 1.0 | 1.0 | 0.9 | 0.9 | 0.7 | 0.6 | |
Shares (%) | |||||||||||||||||||
Electricity | 20.0 | 19.8 | 19.8 | 19.7 | 19.2 | 18.8 | 17.8 | 17.5 | 16.9 | 16.3 | 15.9 | 15.7 | 15.5 | 15.7 | 15.9 | 16.0 | 16.2 | 16.4 | |
Natural Gas | 78.2 | 78.4 | 78.4 | 78.6 | 79.0 | 79.9 | 80.8 | 81.2 | 81.7 | 82.3 | 82.8 | 83.0 | 83.2 | 83.0 | 82.8 | 82.6 | 82.3 | 82.1 | |
Heating Oil | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 0.8 | 0.8 | 0.7 | 0.8 | 0.7 | 0.7 | 0.6 | 0.6 | 0.6 | 0.5 | 0.5 | 0.5 | 0.5 | |
Steam | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Other1 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | |
Wood | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 |