| Similarity | Rank | |
|---|---|---|
| ducted | 0.854 | 91724 |
| radiators | 0.847 | 37705 |
| heating | 0.835 | 4216 |
| ducting | 0.832 | 82490 |
| air-conditioning | 0.818 | 27677 |
| heaters | 0.816 | 15430 |
| ductwork | 0.783 | 50140 |
| heater | 0.782 | 10118 |
| ventilating | 0.781 | 89830 |
| boilers | 0.778 | 25056 |
| baseboard | 0.777 | 70916 |
| boiler | 0.772 | 13188 |
| ventilation | 0.771 | 12297 |
| pipework | 0.771 | 80616 |
| insulation | 0.766 | 8565 |
| skylights | 0.762 | 42500 |
| flue | 0.757 | 38443 |
| thermostatic | 0.753 | 87341 |
| tankless | 0.753 | 50304 |
| fireplaces | 0.752 | 24727 |
| dehumidifiers | 0.751 | 81194 |
| UPVC | 0.751 | 71908 |
| condensing | 0.750 | 47427 |
| soundproofing | 0.748 | 91464 |
| glazing | 0.746 | 26538 |