2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total Water Heater Stock (thousands) | 1,641.2 | 1,653.7 | 1,671.8 | 1,692.3 | 1,719.9 | 1,751.0 | 1,782.8 | 1,817.0 | 1,849.4 | 1,878.7 | 1,903.4 | 1,925.2 | 1,948.3 | 1,972.6 | 1,995.9 | 2,018.7 | 2,043.7 | |
Water Heater Stock by Building Type (thousands) | ||||||||||||||||||
Single Detached | 886.2 | 892.0 | 898.7 | 906.9 | 916.1 | 925.8 | 937.3 | 948.1 | 956.5 | 963.0 | 970.5 | 977.8 | 983.4 | 990.0 | 995.6 | 1,000.8 | 1,006.6 | |
Single Attached | 174.1 | 176.6 | 179.6 | 184.3 | 189.7 | 195.8 | 202.0 | 208.9 | 214.5 | 221.1 | 225.8 | 230.7 | 235.7 | 240.0 | 244.6 | 248.9 | 254.3 | |
Apartments | 518.7 | 522.5 | 530.4 | 537.4 | 549.8 | 564.5 | 577.7 | 593.5 | 611.3 | 626.9 | 638.9 | 648.1 | 660.2 | 673.1 | 685.9 | 698.7 | 712.2 | |
Mobile Homes | 62.2 | 62.6 | 63.1 | 63.6 | 64.3 | 65.0 | 65.8 | 66.5 | 67.1 | 67.7 | 68.2 | 68.6 | 69.0 | 69.5 | 69.9 | 70.2 | 70.6 | |
Shares (%) | ||||||||||||||||||
Single Detached | 54.0 | 53.9 | 53.8 | 53.6 | 53.3 | 52.9 | 52.6 | 52.2 | 51.7 | 51.3 | 51.0 | 50.8 | 50.5 | 50.2 | 49.9 | 49.6 | 49.3 | |
Single Attached | 10.6 | 10.7 | 10.7 | 10.9 | 11.0 | 11.2 | 11.3 | 11.5 | 11.6 | 11.8 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 | 12.4 | |
Apartments | 31.6 | 31.6 | 31.7 | 31.8 | 32.0 | 32.2 | 32.4 | 32.7 | 33.1 | 33.4 | 33.6 | 33.7 | 33.9 | 34.1 | 34.4 | 34.6 | 34.8 | |
Mobile Homes | 3.8 | 3.8 | 3.8 | 3.8 | 3.7 | 3.7 | 3.7 | 3.7 | 3.6 | 3.6 | 3.6 | 3.6 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | |
Water Heater Stock by Energy Source (thousands) | ||||||||||||||||||
Electricity | 678.4 | 676.9 | 669.2 | 659.9 | 655.5 | 661.9 | 670.7 | 681.7 | 691.7 | 707.7 | 727.1 | 751.9 | 771.5 | 791.5 | 810.6 | 829.5 | 849.7 | |
Natural Gas | 910.5 | 923.9 | 948.2 | 979.2 | 1,011.4 | 1,036.5 | 1,059.9 | 1,082.5 | 1,107.0 | 1,122.8 | 1,128.9 | 1,125.0 | 1,128.9 | 1,134.2 | 1,138.5 | 1,142.3 | 1,146.8 | |
Heating Oil | 31.6 | 32.7 | 33.3 | 33.1 | 33.3 | 33.1 | 33.3 | 33.9 | 33.0 | 31.3 | 30.9 | 31.3 | 30.7 | 29.1 | 28.4 | 27.7 | 27.2 | |
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 | |
Other1 | 8.0 | 7.8 | 8.1 | 7.8 | 7.6 | 7.5 | 7.3 | 7.3 | 6.9 | 6.7 | 6.7 | 7.2 | 7.8 | 8.5 | 9.5 | 10.6 | 12.0 | |
Wood | 12.7 | 12.4 | 12.9 | 12.3 | 12.1 | 12.0 | 11.6 | 11.6 | 10.8 | 10.2 | 9.8 | 9.8 | 9.6 | 9.3 | 8.9 | 8.6 | 8.2 | |
Shares (%) | ||||||||||||||||||
Electricity | 41.3 | 40.9 | 40.0 | 39.0 | 38.1 | 37.8 | 37.6 | 37.5 | 37.4 | 37.7 | 38.2 | 39.1 | 39.6 | 40.1 | 40.6 | 41.1 | 41.6 | |
Natural Gas | 55.5 | 55.9 | 56.7 | 57.9 | 58.8 | 59.2 | 59.5 | 59.6 | 59.9 | 59.8 | 59.3 | 58.4 | 57.9 | 57.5 | 57.0 | 56.6 | 56.1 | |
Heating Oil | 1.9 | 2.0 | 2.0 | 2.0 | 1.9 | 1.9 | 1.9 | 1.9 | 1.8 | 1.7 | 1.6 | 1.6 | 1.6 | 1.5 | 1.4 | 1.4 | 1.3 | |
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 | |
Other1 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | |
Wood | 0.8 | 0.7 | 0.8 | 0.7 | 0.7 | 0.7 | 0.6 | 0.6 | 0.6 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 |