2000 | 2018 | 2019 | 2020 | 2021 | ||
---|---|---|---|---|---|---|
Total Water Heater Stock (thousands) | 401.8 | 488.5 | 491.4 | 493.6 | 496.8 | |
Water Heater Stock by Building Type (thousands) | ||||||
Single Detached | 293.9 | 342.3 | 343.4 | 344.4 | 345.8 | |
Single Attached | 22.0 | 36.9 | 37.3 | 37.7 | 38.3 | |
Apartments | 74.2 | 96.1 | 97.4 | 98.2 | 99.3 | |
Mobile Homes | 11.6 | 13.2 | 13.3 | 13.3 | 13.4 | |
Shares (%) | ||||||
Single Detached | 73.2 | 70.1 | 69.9 | 69.8 | 69.6 | |
Single Attached | 5.5 | 7.5 | 7.6 | 7.6 | 7.7 | |
Apartments | 18.5 | 19.7 | 19.8 | 19.9 | 20.0 | |
Mobile Homes | 2.9 | 2.7 | 2.7 | 2.7 | 2.7 | |
Water Heater Stock by Energy Source (thousands) | ||||||
Electricity | 80.3 | 81.0 | 82.0 | 82.8 | 83.8 | |
Natural Gas | 314.1 | 399.9 | 401.7 | 402.9 | 405.0 | |
Heating Oil | 4.1 | 2.1 | 2.1 | 2.0 | 1.9 | |
Steam | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Other1 | 1.8 | 5.0 | 5.3 | 5.6 | 6.0 | |
Wood | 1.5 | 0.5 | 0.4 | 0.3 | 0.2 | |
Shares (%) | ||||||
Electricity | 20.0 | 16.6 | 16.7 | 16.8 | 16.9 | |
Natural Gas | 78.2 | 81.9 | 81.7 | 81.6 | 81.5 | |
Heating Oil | 1.0 | 0.4 | 0.4 | 0.4 | 0.4 | |
Steam | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Other1 | 0.5 | 1.0 | 1.1 | 1.1 | 1.2 | |
Wood | 0.4 | 0.1 | 0.1 | 0.1 | 0.0 |