| Value | Category |
|---|---|
| -96 | Others |
| 0 | Do not heat dwelling |
| 1 | Water radiators from Centralizer Hot Water |
| 2 | Water radiators in room from Gas, Coal, orElectric boiler in House |
| 3 | Electric heater |
| 4 | Coal Stove |
| 5 | Wood Stove |
| 6 | Kerosene Stove |
| 7 | Stove with Straw, Manure, Peat |