| # | Entity | Score |
|---|---|---|
| 01 | Ductless Mini-Split | 100.0 |
| 02 | Inverter Window Heat Pumps | 47.4 |
| 03 | Dual-hose portable AC | 42.2 |
| 04 | Space heaters | 40.7 |
| 05 | Ducted air-source heat pump | 31.5 |
| 06 | Inverter window air conditioner | 25.6 |
| 07 | Air-source heat pumps with ductwork | 23.1 |
| 08 | Oil-filled electric radiator | 23.1 |
| 09 | Monobloc / "No-Outdoor-Unit" Heat Pumps | 22.3 |
| 10 | Packaged Terminal Air Conditioners (PTACs) | 20.3 |
| 11 | Electric Panel Heaters | 18.7 |
| 12 | Wood-Burning Stoves | 16.9 |