| Similarity | Rank | |
|---|---|---|
| retrofit | 0.937 | 30084 |
| retrofitting | 0.936 | 52217 |
| energy-efficiency | 0.854 | 70696 |
| weatherization | 0.827 | 84020 |
| energy-efficient | 0.815 | 24948 |
| Retrofit | 0.784 | 84668 |
| daylighting | 0.781 | 93864 |
| high-efficiency | 0.776 | 53165 |
| energy-saving | 0.758 | 35516 |
| retrofitted | 0.758 | 55304 |
| cogeneration | 0.746 | 76666 |
| low-flow | 0.730 | 80266 |
| build-out | 0.716 | 80876 |
| gas-fired | 0.713 | 70372 |
| design-build | 0.713 | 72597 |
| efficiencies | 0.702 | 16247 |
| cost-savings | 0.699 | 85880 |
| HVAC | 0.698 | 15563 |
| efficiency | 0.696 | 2593 |
| renovations | 0.692 | 16049 |
| upgrades | 0.692 | 8618 |
| boilers | 0.688 | 25056 |
| luminaires | 0.684 | 80412 |
| ballasts | 0.683 | 76137 |
| tankless | 0.680 | 50304 |