| up to 2,500 square feet | 6 | other |
| quickly | 5 | manner |
| optimally | 4 | manner |
| fireplace → heat → room | 11 |
| fireplace → heat → the room | 9 |
| fireplace → heat up → room | 4 |
| fireplace → heat → living spaces | 4 |
| fireplace → heat → the space | 3 |
| negative | neutral | positive |
| 0.132 | 0.456 | 0.411 |
| Raw frequency | 31 |
| Normalized frequency | 0.540 |
| Modifier score | 0.500 |
| Perplexity | 109.910 |