Brand guide · United States · checked October 19, 2026
Cooper & Hunter heat pumps
Cooper & Hunter is made by Cooper&Hunter International Corporation (ENERGY STAR partner name). ENERGY STAR lists 109 Cooper & Hunter outdoor models certified for the US, 92 of them cold-climate, and its best certified pairing heats at a COP of 2.54 at 5°F.
Cooper & Hunter at a glance
- Who owns it
- Cooper&Hunter International Corporation (ENERGY STAR partner name). Owner and any 2024-2026 change could not be verified.
- Sister brands
- OLMO, Armbridge, BRAVO
- How it's sold
- Not published
- Price tier
- Not rated. No price source could be read (the official site didn't respond during our October 19 check).
- What it makes
- ductless mini-split, multi-zone, ducted central
- Names on ENERGY STAR's list
- Armbridge, Bravo, C&H, Cooper & Hunter, Olmo (certified by Cooper&Hunter International Corporation)
Product lines
The current residential heat pump lines we found on Cooper & Hunter's own pages, with the low-temperature claim in the maker's words. 2 of 2 are sold as cold-climate.
| Line | Type | Cold-climate | Maker's low-temperature claim | Refrigerant |
|---|---|---|---|---|
| CH Series mini/multi-split (ENERGY STAR series label) | ductless mini-split | Yes | No low-temperature figure published | R-454B |
| CH Series ducted split heat pump (CH-PQ models; ENERGY STAR series label) | ducted central | Yes | No low-temperature figure published | R-454B |
Certified models with the best cold-weather numbers
From ENERGY STAR's list for the US (updated October 19, 2026): each row is one outdoor unit with its best certified pairing. 68 of 109 Cooper & Hunter outdoor models use R-454B or R-32; the tables show those.
Mini-splits and multi-splits (95 models)
| Outdoor / indoor model | Size | Heat at 5°F | COP at 5°F | HSPF2 | SEER2 | Refrigerant | AHRI # |
|---|---|---|---|---|---|---|---|
| CH-RES24-230VO CH-PRO24MASTWM-230VI CH Series | 25,000 BTU/h 2-ton | 19,600 BTU/h 78% of rated | 2.54 | 11.7 | 23.0 | R-454B ENERGY STAR Cold Climate | 215864171 |
| OS-SR18-230VO OS-18SRW-230VI SIERRA | 18,000 BTU/h 1.5-ton | 13,700 BTU/h 76% of rated | 2.50 | 9.8 | 21.0 | R-32 | 215887337 |
| CH-RES12-230VO CH-RSH12MMC CH Series | 12,000 BTU/h 1-ton | 8,900 BTU/h 74% of rated | 2.50 | 11.0 | 24.6 | R-454B ENERGY STAR Cold Climate | 215864236 |
| CH-RHP06F9-230VO CH-RSH06-12MCT1W CH Series | 7,400 BTU/h 0.5-ton | 8,100 BTU/h 110% of rated | 2.40 | 12.0 | 22.0 | R-454B ENERGY STAR Cold Climate | 215864251 |
| CH-RES09-230VO CH-PRO09MASTWM-230VI CH Series | 10,000 BTU/h 1-ton | 8,000 BTU/h 80% of rated | 2.36 | 12.5 | 25.8 | R-454B ENERGY STAR Cold Climate | 215864168 |
| CH-RES18-230VO CH-R18MOLVWM-230VI CH Series | 18,000 BTU/h 1.5-ton | 13,000 BTU/h 72% of rated | 2.35 | 11.1 | 24.0 | R-454B ENERGY STAR Cold Climate | 215864149 |
Central (ducted) split systems (28 models)
| Outdoor / indoor model | Size | Heat at 5°F | COP at 5°F | HSPF2 | SEER2 | Refrigerant | AHRI # |
|---|---|---|---|---|---|---|---|
| CH-RES18-230VO CH-RS18MAHU CH Series | 18,000 BTU/h 1.5-ton | 13,000 BTU/h 72% of rated | 2.30 | 9.8 | 18.5 | R-454B ENERGY STAR Cold Climate | 215864131 |
| CH-RHP18-230VO CH-RS18MAHU CH Series | 19,500 BTU/h 1.5-ton | 18,000 BTU/h 92% of rated | 2.20 | 10.0 | 18.0 | R-454B ENERGY STAR Cold Climate | 215864126 |
| CH-RES24-230VO CH-RS24MAHU CH Series | 25,000 BTU/h 2-ton | 18,000 BTU/h 72% of rated | 2.20 | 9.0 | 19.7 | R-454B ENERGY STAR Cold Climate | 215864132 |
| CH-RHP24-230VO CH-RS24MAHU CH Series | 26,000 BTU/h 2-ton | 23,600 BTU/h 91% of rated | 2.16 | 10.0 | 18.7 | R-454B ENERGY STAR Cold Climate | 215864127 |
| CH-PQ24-230VO CH-PQ24AHU CH Series | 24,000 BTU/h 2-ton | 20,600 BTU/h 86% of rated | 2.14 | 10.0 | 18.6 | R-454B ENERGY STAR Cold Climate | 215864121 |
| CH-PQ18-230VO CH-PQ18AHU CH Series | 18,000 BTU/h 1.5-ton | 18,600 BTU/h 103% of rated | 2.12 | 10.1 | 19.0 | R-454B ENERGY STAR Cold Climate | 215864120 |
Most efficient for cooling
| Outdoor / indoor model | Size | SEER2 | EER2 | HSPF2 | COP at 5°F | Refrigerant | AHRI # |
|---|---|---|---|---|---|---|---|
| CH-RHP09-230VO CH-PRO09MASTWM-230VI CH Series | 12,000 BTU/h 1-ton | 27.4 | 15.4 | 12.5 | 1.80 | R-454B ENERGY STAR Cold Climate | 215864173 |
| CH-RES09-230VO CH-RSH09MMC CH Series | 9,000 BTU/h 1-ton | 26.0 | 16.2 | 13.9 | 2.27 | R-454B ENERGY STAR Cold Climate | 215864235 |
| CH-RHP06F9-230VO CH-PRO06MASTWM-230VI CH Series | 7,000 BTU/h 0.5-ton | 25.5 | 18.0 | 14.8 | 2.39 | R-454B ENERGY STAR Cold Climate | 215864172 |
| CH-RES12-230VO CH-PRO12MASTWM-230VI CH Series | 12,000 BTU/h 1-ton | 25.5 | 13.0 | 10.6 | 2.30 | R-454B ENERGY STAR Cold Climate | 215864169 |
Look up any pairing by its AHRI number in the AHRI Directory ↗ or search the model in ENERGY STAR's product finder ↗. Ratings are for the exact indoor and outdoor pairing shown.
Warranty
Strengths and watch-outs
Strengths
- Large ENERGY STAR-certified range of mini/multi-split and ducted split heat pumps, many listed as Cold Climate
- R-454B models listed on ENERGY STAR from October 2024, ahead of the 2025 A2L switch
Watch-outs
- Official product, warranty and company pages couldn't be read in our October 19 check. Verify warranty terms and the local service network before buying.
- ENERGY STAR still lists many Cooper&Hunter R-410A combinations; check that any quoted unit is a current A2L model
Which rebates Cooper & Hunter models fit
Every model in these tables is ENERGY STAR certified, which is the federal equipment rule for the Home Electrification and Appliance Rebates where your state runs them. 92 Cooper & Hunter outdoor models also meet ENERGY STAR Cold Climate, which several utility programs require. The 25C tax credit ended for heat pumps placed in service after December 31, 2025.
Rebate rules by metro:
Recent news
- Cooper&Hunter R-454B mini-split and ducted split heat pump models (CH-RHP, CH-RES, CH-PQ) are listed on ENERGY STAR as available from October 2024 data.energystar.gov ↗
Get quotes for Cooper & Hunter or a comparable heat pump
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Sources
Model counts and ratings: ENERGY STAR Certified Heat Pumps, updated October 19, 2026. Brand facts checked October 19, 2026 on: