| 2000 | 2018 | 2019 | 2020 | 2021 | ||
|---|---|---|---|---|---|---|
| Total Mobile Homes Heating System Stock (thousands) | 10.1 | 11.7 | 11.8 | 11.8 | 11.9 | |
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 | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | |
| Heating Oil – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Natural Gas – Normal Efficiency | 3.6 | 0.1 | 0.1 | 0.1 | 0.0 | |
| Natural Gas – Medium Efficiency | 2.2 | 5.9 | 5.9 | 6.0 | 6.0 | |
| Natural Gas – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Electric | 2.8 | 3.9 | 4.0 | 4.0 | 4.0 | |
| Heat Pump | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Other1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Wood | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Dual Systems | ||||||
| Wood/Electric | 1.0 | 1.2 | 1.2 | 1.2 | 1.2 | |
| Wood/Heating Oil | 0.2 | 0.3 | 0.3 | 0.3 | 0.3 | |
| Natural Gas/Electric | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Heating Oil/Electric | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | |
Shares (%) | ||||||
| Heating Oil – Normal Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Heating Oil – Medium Efficiency | 1.7 | 0.8 | 0.6 | 0.5 | 0.4 | |
| Heating Oil – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Natural Gas – Normal Efficiency | 35.3 | 1.0 | 0.7 | 0.5 | 0.3 | |
| Natural Gas – Medium Efficiency | 21.2 | 50.3 | 50.5 | 50.7 | 50.8 | |
| Natural Gas – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Electric | 27.5 | 33.5 | 33.6 | 33.8 | 33.9 | |
| Heat Pump | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Other1 | 0.9 | 0.4 | 0.4 | 0.4 | 0.3 | |
| Wood | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Dual Systems | ||||||
| Wood/Electric | 9.9 | 10.3 | 10.3 | 10.4 | 10.5 | |
| Wood/Heating Oil | 2.4 | 2.6 | 2.7 | 2.7 | 2.7 | |
| Natural Gas/Electric | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Heating Oil/Electric | 0.8 | 1.1 | 1.1 | 1.1 | 1.1 | |