| Main dwellings according to type of heating by fuel used. 28-Madrid |
| TOTAL | With individual heating | With central heating | Without heating installation, but with individual room heaters | Without any means | |
| TOTAL | 1873671 | 443429 | 1101201 | 288035 | 41006 |
| Gas | 1112659 | 177269 | 860778 | 74612 | 0 |
| Electricity | 362485 | 8758 | 156166 | 197561 | 0 |
| Petroleum or derivatives | 292188 | 210364 | 74550 | 7274 | 0 |
| Wood | 10255 | 1426 | 4595 | 4234 | 0 |
| Coal or derivatives | 48537 | 42281 | 3537 | 2719 | 0 |
| Others | 6541 | 3331 | 1575 | 1635 | 0 |
| Not aplicable | 41006 | 0 | 0 | 0 | 41006 |
| Due to an error in assigning the labels, the data corresponding to individual heating and group heating have
been modified with date 13/05/04. In the previous version both categories were interchanged between themselves. |