RU-SZ12-LA-Q
Mitsutomo · HP - Mini or Multi Split
19–24.6BTU/Wh
10–11.5BTU/Wh
11500–12000BTU/hr
Yes
Mitsutomo RU-SZ12-LA-Q: SEER2 24.6 BTU/Wh, better than 88% of air-source heat pumps (category median 20 BTU/Wh).
Where this model sits
Better than 88% of air-source heat pumps.
The Mitsutomo RU-SZ12-LA-Q is a 12000 BTU/hr hp - mini or multi split using R-454B, a refrigerant with moderate global warming potential (GWP 470). At 24.6 BTU/Wh it ranks better than 88% 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) | 24.6BTU/Wh |
| SEER2 (worst combination) | 19BTU/Wh |
| HSPF2 (best combination) | 11.5BTU/Wh |
| HSPF2 (worst combination) | 10BTU/Wh |
| EER2 (best combination) | 12.7BTU/Wh |
| COP at 5 °F | 2.50 |
| Capacity | |
| Cooling Capacity (max) | 12000BTU/hr |
| Cooling Capacity (min) | 11500BTU/hr |
| Heating at 47 °F | 12000BTU/hr |
| Heating at 17 °F | 10400BTU/hr |
| Heating at 5 °F | 8900BTU/hr |
All 25 specifications
| Configuration | |
|---|---|
| Product Type | HP - Mini or Multi Split |
| Compressor Staging | Continuously variable |
| Cold Climate Certified | Yes |
| Connected Capability | No |
| Series | RU Series |
| Indoor-Unit Combinations Rated | 6 |
| Refrigerant | |
| Type | R-454B |
| GWP Rating | R-454B (GWP:470 | Lower GWP) |
| Identifiers | |
| Model Number | RU-SZ12-LA-Q |
| ENERGY STAR ID | ES_1152420_RU-SZ12-LA-Q_07232025043220_29217162563 |
| Partner | PerfitTech LLC |
| Date Certified | 2026-05-28 |
| Available From | 2024-05-20 |
| Markets | United States, Canada |
Documentation
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