M
#40
MRCOOL O-series (O-HH-09-HP-C-230B)
Best for: Official 9,000 Btu/h official cooling, 28.1 official SEER2
7.9/10
What we like
- Official ENERGY STAR record lists 28.1 SEER2.
- Official ENERGY STAR record lists 11.5 HSPF2.
- Official ENERGY STAR record lists a cold-climate designation.
Watch out for
- Official ratings are for the certified outdoor and indoor combination shown; a different official indoor head can change the certified figures.
Score breakdown
| Official SEER2 | 28.1 |
|---|---|
| Official HSPF2 | 11.5 |
| Official EER2 | 16.2 |
| Official COP at 5°F | 2 |
| Official ENERGY STAR unique ID | 2,450,843 |
| Official outdoor unit model number | O-HH-09-HP-C-230B |
| Official indoor unit model number | O-09-HP-WMAH-230B |
| Official series name | O-series |
| Official product type | HP - Mini or Multi Split |
| Official cooling capacity | 9,000 Btu/h |
| Official heating capacity at 47°F | 12,000 Btu/h |
| Official heating capacity at 17°F | 9,500 Btu/h |
| Official heating capacity at 5°F | 10,600 Btu/h |
| Official cold-climate designation | Yes |
| Official ENERGY STAR Most Efficient 2025 | Yes |
| Official refrigerant type | R-410A |
| Official AHRI reference number | 208552819 |
| Official ENERGY STAR date certified | 06/29/2026 |
| Price | Check price |