| highly energy | 52 | degree |
| very | 36 | degree |
| extremely | 22 | degree |
| house → be → efficient | 387 |
| house → be → more efficient | 25 |
| house → be made → efficient | 6 |
| house → become → efficient | 6 |
| house → become → more efficient | 4 |
| negative | neutral | positive |
| 0.034 | 0.265 | 0.701 |
| Raw frequency | 428 |
| Normalized frequency | 0.592 |
| Modifier score | 0.871 |
| Perplexity | 290.432 |