| Typicality: | 0.407 |
| Saliency: | 0.572 |
| to furnaces | 41 | transitive-object |
| to air conditioners | 35 | transitive-object |
| to traditional heating systems | 7 | other |
| heat pump → offer → energy-efficient alternative | 34 |
| heat pump → be → efficient alternative | 8 |
| heat pump → be → energy-efficient alternative | 5 |
| heat pump → be → energy efficient alternative | 3 |
| heat pump → provide → effective, energy efficient alternative | 3 |
| heat pump → be → efficient option | 3 |
| negative | neutral | positive |
| 0.010 | 0.348 | 0.641 |
| Raw frequency | 56 |
| Normalized frequency | 0.572 |
| Modifier score | 0.500 |
| Perplexity | 69.446 |