| Answer | Crossword Clue |
|---|---|
| SOLEIL | Source of French Riviera heat |
| ELECTRICBLANKET | Source of heat |
| STOVE | Source of heat |
| STEAM | Source of heat. |
| COAL | Source of heat. |
| GAS | Source of heat. |
| IRE | Source of heat |
| FURNACE | Source of heat |
| IRE | Source of heat? |
| FUEL | Source of heat or power. |
| SOLAR | Of Earth's source of heat. |
| SUN | Earth's source of heat and light |
