| Value | Category | Cases | |
|---|---|---|---|
| 1 | Electric heater | 5 |
0.2%
|
| 2 | Gas heater | 0 |
0%
|
| 3 | District heating | 0 |
0%
|
| 4 | Solar thermal system | 2 |
0.1%
|
| 5 | Same solid fuel stove used for cooking | 2109 |
99.1%
|
| 6 | Separate solid fuel stove | 12 |
0.6%
|
| Sysmiss | 1775 |