| 2000 | 2018 | 2019 | 2020 | 2021 | ||
|---|---|---|---|---|---|---|
| Total Mobile Homes Heating System Stock (thousands) | 62.2 | 71.7 | 72.6 | 73.6 | 74.6 | |
Heating System Stock by Heating System Type (thousands) | ||||||
| Heating Oil – Normal Efficiency | 1.1 | 0.1 | 0.1 | 0.1 | 0.1 | |
| Heating Oil – Medium Efficiency | 1.7 | 3.4 | 3.3 | 3.2 | 3.2 | |
| Heating Oil – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Natural Gas – Normal Efficiency | 18.1 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Natural Gas – Medium Efficiency | 14.5 | 29.6 | 29.8 | 30.0 | 30.3 | |
| Natural Gas – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Electric | 16.6 | 25.4 | 25.9 | 26.5 | 27.1 | |
| Heat Pump | 3.4 | 5.1 | 5.2 | 5.4 | 5.5 | |
| Other1 | 1.3 | 0.7 | 0.7 | 0.7 | 0.7 | |
| Wood | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | |
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 | 1.7 | 0.2 | 0.2 | 0.2 | 0.1 | |
| Heating Oil – Medium Efficiency | 2.7 | 4.7 | 4.6 | 4.3 | 4.2 | |
| Heating Oil – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Natural Gas – Normal Efficiency | 29.1 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Natural Gas – Medium Efficiency | 23.2 | 41.3 | 41.0 | 40.8 | 40.6 | |
| Natural Gas – High Efficiency | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Electric | 26.8 | 35.4 | 35.7 | 36.1 | 36.4 | |
| Heat Pump | 5.4 | 7.1 | 7.2 | 7.3 | 7.4 | |
| Other1 | 2.0 | 1.0 | 1.0 | 1.0 | 1.0 | |
| Wood | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | |
Dual Systems | ||||||
| Wood/Electric | 2.6 | 3.0 | 3.0 | 3.0 | 3.0 | |
| Wood/Heating Oil | 6.0 | 6.8 | 6.8 | 6.8 | 6.8 | |
| 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 | |