| Brand | 2.5kw | 3.5kw | 4kw | 5kw | 6kw | 7kw | 8kw | 9kw |
| Panasonic | 4 | 4 | 2.5 | 2 | 1.5 | 1.5 | 1.5 | |
| Fujitsu | 5 | 3.5 | 4 | 3 | 2.5 | 2 | 2 | |
| Mitsubishi Electric | 5.5 | 3.5 | 2.5 | 3 | 3 | 2.5 | 2 | |
| Mitsubishi Heavy Industries | 4 | 3 | 1.5 | 2 | 1.5 | |||
| Daikin | 5 | 3.5 | 3 | 4 | 4 | 2.5 | 2 | 2 |
| Kelvinator | 5 | 4 | 3.5 | 2.5 | 2.5 | |||
| LG | 4.5 | 3.5 | 2 | 3 | 3 | 2.5 | ||
| Rinnai | 3 | 3 | 2 | 2 |
