| Similarity | Rank | |
|---|---|---|
| lighting | 0.786 | 3051 |
| retrofits | 0.781 | 61075 |
| energy-efficiency | 0.776 | 70696 |
| skylights | 0.771 | 42500 |
| luminaires | 0.770 | 80412 |
| luminaire | 0.753 | 97285 |
| energy-efficient | 0.752 | 24948 |
| energy-saving | 0.749 | 35516 |
| retrofitting | 0.741 | 52217 |
| retrofit | 0.732 | 30084 |
| building's | 0.724 | 21984 |
| ventilation | 0.720 | 12297 |
| high-efficiency | 0.716 | 53165 |
| low-flow | 0.715 | 80266 |
| glazing | 0.708 | 26538 |
| weatherization | 0.705 | 84020 |
| efficiency | 0.697 | 2593 |
| home's | 0.691 | 18092 |
| photovoltaic | 0.691 | 22415 |
| dimmers | 0.690 | 99439 |
| photovoltaics | 0.689 | 66103 |
| skylight | 0.687 | 42519 |
| metering | 0.680 | 29160 |
| ground-level | 0.679 | 82811 |
| illumination | 0.679 | 16924 |