SZ12H424ZMO
SEA BREEZE+ · HP - Mini or Multi Split
19–25BTU/Wh
9.8–11BTU/Wh
11500–12000BTU/hr
Yes
SEA BREEZE+ SZ12H424ZMO: SEER2 25 BTU/Wh, better than 89% of air-source heat pumps (category median 20 BTU/Wh).
Where this model sits
Better than 89% of air-source heat pumps.
The SEA BREEZE+ SZ12H424ZMO is a 12000 BTU/hr hp - mini or multi split using R-410A, a refrigerant with high global warming potential (GWP 2088). At 25 BTU/Wh it ranks better than 89% of the 12,218 certified air-source heat pumps models. Among similar-sized air-source heat pumps (within 10% of its size), it is more efficient than the peer median of 23.5 BTU/Wh. In this size range, comparable GREE models average 24.3 BTU/Wh and Hisense models average 23 BTU/Wh.
Specifications
| Efficiency | |
|---|---|
| SEER2 (best combination) | 25BTU/Wh |
| SEER2 (worst combination) | 19BTU/Wh |
| HSPF2 (best combination) | 11BTU/Wh |
| HSPF2 (worst combination) | 9.8BTU/Wh |
| EER2 (best combination) | 14BTU/Wh |
| COP at 5 °F | 2.41 |
| Capacity | |
| Cooling Capacity (max) | 12000BTU/hr |
| Cooling Capacity (min) | 11500BTU/hr |
| Heating at 47 °F | 12500BTU/hr |
| Heating at 17 °F | 10000BTU/hr |
| Heating at 5 °F | 8400BTU/hr |
All 25 specifications
| Configuration | |
|---|---|
| Product Type | HP - Mini or Multi Split |
| Compressor Staging | Continuously variable |
| Cold Climate Certified | Yes |
| Connected Capability | No |
| Series | SZ Series |
| Indoor-Unit Combinations Rated | 5 |
| Refrigerant | |
| Type | R-410A |
| GWP Rating | R-410A (GWP:2088) |
| Identifiers | |
| Model Number | SZ12H424ZMO |
| ENERGY STAR ID | ES_1108715_SZ12H424ZMO_02282025032206_29210410115 |
| Partner | International Refrigeration Products |
| Date Certified | 2026-04-17 |
| Available From | 2025-02-28 |
| Markets | United States, Canada |
Documentation
We link to manufacturer documentation at its original source rather than rehosting it, so you always get the current revision.