| Value | Category | Cases | |
|---|---|---|---|
| 1 | Electric heater | 11 |
3.1%
|
| 2 | Gas heater | 0 |
0%
|
| 3 | District heating | 0 |
0%
|
| 4 | Solar thermal system | 0 |
0%
|
| 5 | Same solid fuel stove used for cooking | 255 |
71.8%
|
| 6 | Separate solid fuel stove | 34 |
9.6%
|
| 555 | Other | 55 |
15.5%
|
| Sysmiss | 4198 |