C&
#28
Cooper & Hunter CH Series (CH-R18MES-230VO)
Best for: Official 18,000 Btu/h official cooling, 25.1 official SEER2
6.4/10
What we like
- Official ENERGY STAR record lists 25.1 SEER2.
- Official ENERGY STAR record lists a COP at 5°F of 2.3.
- 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 | 25.1 |
|---|---|
| Official HSPF2 | 9.8 |
| Official EER2 | 14 |
| Official COP at 5°F | 2.3 |
| Official ENERGY STAR unique ID | 3,712,405 |
| Official outdoor unit model number | CH-R18MES-230VO |
| Official indoor unit model number | Not listed |
| Official series name | CH Series |
| Official product type | HP - Mini or Multi Split |
| Official cooling capacity | 18,000 Btu/h |
| Official heating capacity at 47°F | 19,000 Btu/h |
| Official heating capacity at 17°F | 16,000 Btu/h |
| Official heating capacity at 5°F | 13,500 Btu/h |
| Official cold-climate designation | Yes |
| Official ENERGY STAR Most Efficient 2025 | Yes |
| Official refrigerant type | R-454B |
| Official AHRI reference number | 215864254 |
| Official ENERGY STAR date certified | 05/06/2026 |
| Source-data note | The ENERGY STAR record lists other official indoor-unit matchups with this outdoor model that have different official SEER2, HSPF2, EER2 or COP at 5°F ratings. The scores on this page are for the official combination shown, not those other matchups. |
| Price | Check price |