| Value | Category |
|---|---|
| 1 | CENTRALIZED HEATING |
| 2 | MANUFACTURED SPACE HEATER |
| 3 | TRADITIONAL SPACE HEATER |
| 4 | MANUFACTURED COOKSTOVE |
| 5 | TRADITONAL COOKSTOVE (NON-MANUFACTURED) |
| 6 | MOVEABLE HEATING PAN |
| 7 | THREE STONE STOVE / OPEN FIRE |
| 8 | HEAT PUMP |
| 96 | OTHER |
| 97 | NO HEATING SOURCE |
| 99 | NO RESPONSE |