2000 | 2018 | 2019 | 2020 | 2021 | ||
---|---|---|---|---|---|---|
Total Water Heater Stock (thousands) | 1,159.1 | 1,727.8 | 1,753.2 | 1,777.8 | 1,803.1 | |
Water Heater Stock by Building Type (thousands) | ||||||
Single Detached | 734.0 | 1,038.5 | 1,047.7 | 1,056.7 | 1,066.5 | |
Single Attached | 133.7 | 242.2 | 249.1 | 255.3 | 260.9 | |
Apartments | 243.7 | 380.7 | 389.6 | 398.5 | 407.7 | |
Mobile Homes | 47.7 | 66.3 | 66.9 | 67.4 | 68.0 | |
Shares (%) | ||||||
Single Detached | 63.3 | 60.1 | 59.8 | 59.4 | 59.1 | |
Single Attached | 11.5 | 14.0 | 14.2 | 14.4 | 14.5 | |
Apartments | 21.0 | 22.0 | 22.2 | 22.4 | 22.6 | |
Mobile Homes | 4.1 | 3.8 | 3.8 | 3.8 | 3.8 | |
Water Heater Stock by Energy Source (thousands) | ||||||
Electricity | 70.8 | 187.7 | 194.2 | 200.9 | 207.9 | |
Natural Gas | 1,073.5 | 1,520.4 | 1,539.5 | 1,557.7 | 1,576.3 | |
Heating Oil | 5.3 | 11.2 | 11.1 | 11.1 | 11.0 | |
Steam | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Other1 | 8.2 | 5.6 | 5.4 | 5.1 | 4.9 | |
Wood | 1.3 | 2.9 | 2.9 | 3.0 | 3.0 | |
Shares (%) | ||||||
Electricity | 6.1 | 10.9 | 11.1 | 11.3 | 11.5 | |
Natural Gas | 92.6 | 88.0 | 87.8 | 87.6 | 87.4 | |
Heating Oil | 0.5 | 0.6 | 0.6 | 0.6 | 0.6 | |
Steam | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Other1 | 0.7 | 0.3 | 0.3 | 0.3 | 0.3 | |
Wood | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 |