CMS9-2 PRO
ACEKOOL · HP - Mini or Multi Split
23.5BTU/Wh
9.2BTU/Wh
9000BTU/hr
Yes
ACEKOOL CMS9-2 PRO: SEER2 23.5 BTU/Wh, better than 81% of air-source heat pumps (category median 20 BTU/Wh).
Where this model sits
Better than 81% of air-source heat pumps.
The ACEKOOL CMS9-2 PRO is a 9000 BTU/hr hp - mini or multi split using R-410A, a refrigerant with high global warming potential (GWP 2088). At 23.5 BTU/Wh it ranks better than 82% of the 12,218 certified air-source heat pumps models. Among similar-sized air-source heat pumps (within 10% of its size), it is about as efficient as the peer median of 23 BTU/Wh. In this size range, comparable TOSOT models average 25.5 BTU/Wh and Hisense models average 22.8 BTU/Wh.
Specifications
| Efficiency | |
|---|---|
| SEER2 (best combination) | 23.5BTU/Wh |
| SEER2 (worst combination) | 23.5BTU/Wh |
| HSPF2 (best combination) | 9.2BTU/Wh |
| HSPF2 (worst combination) | 9.2BTU/Wh |
| EER2 (best combination) | 13BTU/Wh |
| COP at 5 °F | 1.80 |
| Capacity | |
| Cooling Capacity (max) | 9000BTU/hr |
| Cooling Capacity (min) | 9000BTU/hr |
| Heating at 47 °F | 9500BTU/hr |
| Heating at 17 °F | 5900BTU/hr |
| Heating at 5 °F | 7300BTU/hr |
All 25 specifications
| Configuration | |
|---|---|
| Product Type | HP - Mini or Multi Split |
| Compressor Staging | Continuously variable |
| Cold Climate Certified | Yes |
| Connected Capability | No |
| Series | Pro |
| Indoor-Unit Combinations Rated | 1 |
| Refrigerant | |
| Type | R-410A |
| GWP Rating | R-410A (GWP:2088) |
| Identifiers | |
| Model Number | CMS9-2 PRO |
| ENERGY STAR ID | ES_1148173_CMS9-2 PRO_03242025104550_29216980962 |
| Partner | Acekool Innovation Inc. |
| Date Certified | 2025-10-17 |
| Available From | 2025-02-15 |
| Markets | United States, Canada |
Documentation
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