2000 | 2017 | 2018 | 2019 | 2020 | 2021 | ||
---|---|---|---|---|---|---|---|
Total Water Heater Stock (thousands) | 1,609.6 | 2,029.1 | 2,063.1 | 2,098.5 | 2,136.0 | 2,176.1 | |
Water Heater Stock by Building Type (thousands) | |||||||
Single Detached | 869.3 | 991.1 | 998.5 | 1,005.6 | 1,011.6 | 1,018.6 | |
Single Attached | 167.9 | 250.8 | 255.9 | 260.9 | 266.0 | 272.4 | |
Apartments | 512.9 | 719.2 | 740.2 | 762.7 | 787.9 | 813.7 | |
Mobile Homes | 59.4 | 68.0 | 68.5 | 69.4 | 70.4 | 71.4 | |
Shares (%) | |||||||
Single Detached | 54.0 | 48.8 | 48.4 | 47.9 | 47.4 | 46.8 | |
Single Attached | 10.4 | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | |
Apartments | 31.9 | 35.4 | 35.9 | 36.3 | 36.9 | 37.4 | |
Mobile Homes | 3.7 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | |
Water Heater Stock by Energy Source (thousands) | |||||||
Electricity | 656.5 | 846.1 | 870.7 | 890.7 | 911.9 | 934.3 | |
Natural Gas | 910.5 | 1,153.3 | 1,162.5 | 1,177.3 | 1,193.1 | 1,210.1 | |
Heating Oil | 21.8 | 8.5 | 7.7 | 7.3 | 6.9 | 6.6 | |
Steam | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Other1 | 8.0 | 13.2 | 14.7 | 15.6 | 16.5 | 17.5 | |
Wood | 12.7 | 7.9 | 7.7 | 7.6 | 7.5 | 7.6 | |
Shares (%) | |||||||
Electricity | 40.8 | 41.7 | 42.2 | 42.4 | 42.7 | 42.9 | |
Natural Gas | 56.6 | 56.8 | 56.3 | 56.1 | 55.9 | 55.6 | |
Heating Oil | 1.4 | 0.4 | 0.4 | 0.3 | 0.3 | 0.3 | |
Steam | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Other1 | 0.5 | 0.7 | 0.7 | 0.7 | 0.8 | 0.8 | |
Wood | 0.8 | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 |