2000 | 2018 | 2019 | 2020 | 2021 | ||
---|---|---|---|---|---|---|
Total Water Heater Stock (thousands) | 934.6 | 1,113.4 | 1,121.1 | 1,130.2 | 1,139.8 | |
Water Heater Stock by Building Type (thousands) | ||||||
Single Detached | 661.9 | 769.0 | 772.5 | 776.4 | 781.1 | |
Single Attached | 62.2 | 85.3 | 86.7 | 88.1 | 89.5 | |
Apartments | 175.0 | 218.2 | 220.8 | 224.3 | 227.5 | |
Mobile Homes | 35.7 | 41.0 | 41.1 | 41.4 | 41.6 | |
Shares (%) | ||||||
Single Detached | 70.8 | 69.1 | 68.9 | 68.7 | 68.5 | |
Single Attached | 6.7 | 7.7 | 7.7 | 7.8 | 7.9 | |
Apartments | 18.7 | 19.6 | 19.7 | 19.8 | 20.0 | |
Mobile Homes | 3.8 | 3.7 | 3.7 | 3.7 | 3.7 | |
Water Heater Stock by Energy Source (thousands) | ||||||
Electricity | 656.7 | 906.1 | 917.1 | 929.0 | 940.9 | |
Natural Gas | 0.0 | 9.0 | 9.2 | 9.7 | 10.6 | |
Heating Oil | 251.8 | 183.3 | 179.8 | 176.7 | 173.5 | |
Steam | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Other1 | 2.3 | 5.5 | 5.8 | 6.1 | 6.5 | |
Wood | 23.8 | 9.6 | 9.1 | 8.7 | 8.3 | |
Shares (%) | ||||||
Electricity | 70.3 | 81.4 | 81.8 | 82.2 | 82.6 | |
Natural Gas | 0.0 | 0.8 | 0.8 | 0.9 | 0.9 | |
Heating Oil | 26.9 | 16.5 | 16.0 | 15.6 | 15.2 | |
Steam | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Other1 | 0.3 | 0.5 | 0.5 | 0.5 | 0.6 | |
Wood | 2.5 | 0.9 | 0.8 | 0.8 | 0.7 |