| 2000 | 2018 | 2019 | 2020 | 2021 | ||
|---|---|---|---|---|---|---|
| Total Mobile Homes Heating System Stock (thousands) | 59.4 | 68.5 | 69.4 | 70.4 | 71.4 | |
Heating System Stock by Heating System Type (thousands) | ||||||
| Heating Oil – Normal Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Heating Oil – Medium Efficiency | 1.0 | 1.5 | 1.5 | 1.4 | 1.3 | |
| Heating Oil – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Natural Gas – Normal Efficiency | 17.8 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Natural Gas – Medium Efficiency | 14.2 | 28.9 | 29.1 | 29.3 | 29.6 | |
| Natural Gas – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Electric | 16.6 | 25.3 | 25.8 | 26.5 | 27.1 | |
| Heat Pump | 3.4 | 5.1 | 5.2 | 5.4 | 5.5 | |
| Other1 | 1.0 | 0.5 | 0.5 | 0.4 | 0.4 | |
| Wood | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Dual Systems | ||||||
| Wood/Electric | 1.6 | 2.1 | 2.2 | 2.2 | 2.2 | |
| Wood/Heating Oil | 3.7 | 4.9 | 5.0 | 5.0 | 5.1 | |
| Natural Gas/Electric | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Heating Oil/Electric | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | |
Shares (%) | ||||||
| Heating Oil – Normal Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Heating Oil – Medium Efficiency | 1.7 | 2.3 | 2.1 | 1.9 | 1.8 | |
| Heating Oil – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Natural Gas – Normal Efficiency | 29.9 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Natural Gas – Medium Efficiency | 23.9 | 42.2 | 41.9 | 41.7 | 41.4 | |
| Natural Gas – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Electric | 27.9 | 36.9 | 37.2 | 37.6 | 37.9 | |
| Heat Pump | 5.7 | 7.4 | 7.5 | 7.6 | 7.7 | |
| Other1 | 1.7 | 0.7 | 0.7 | 0.6 | 0.6 | |
| Wood | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Dual Systems | ||||||
| Wood/Electric | 2.7 | 3.1 | 3.1 | 3.1 | 3.1 | |
| Wood/Heating Oil | 6.3 | 7.1 | 7.1 | 7.1 | 7.2 | |
| Natural Gas/Electric | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Heating Oil/Electric | 0.2 | 0.3 | 0.3 | 0.3 | 0.3 | |