MUZ-HX18NL***
Mitsubishi Electric · HP - Mini or Multi Split
20BTU/Wh
9.5BTU/Wh
17200BTU/hr
Yes
Mitsubishi Electric MUZ-HX18NL***: SEER2 20 BTU/Wh, around the middle of the range for air-source heat pumps (category median 20 BTU/Wh).
Where this model sits
The Mitsubishi Electric MUZ-HX18NL*** is a 17200 BTU/hr hp - mini or multi split using R-454B, a refrigerant with moderate global warming potential (GWP 470). At 20 BTU/Wh it ranks around the middle of the 12,218 certified air-source heat pumps models. Among similar-sized air-source heat pumps (within 10% of its size), it is less efficient than the peer median of 21 BTU/Wh. In this size range, comparable Midea models average 20.3 BTU/Wh and TOSOT models average 21 BTU/Wh.
Specifications
| Efficiency | |
|---|---|
| SEER2 (best combination) | 20BTU/Wh |
| SEER2 (worst combination) | 20BTU/Wh |
| HSPF2 (best combination) | 9.5BTU/Wh |
| HSPF2 (worst combination) | 9.5BTU/Wh |
| EER2 (best combination) | 12.6BTU/Wh |
| COP at 5 °F | 1.80 |
| Capacity | |
| Cooling Capacity (max) | 17200BTU/hr |
| Cooling Capacity (min) | 17200BTU/hr |
| Heating at 47 °F | 18000BTU/hr |
| Heating at 17 °F | 11400BTU/hr |
| Heating at 5 °F | 12600BTU/hr |
All 25 specifications
| Configuration | |
|---|---|
| Product Type | HP - Mini or Multi Split |
| Compressor Staging | Continuously variable |
| Cold Climate Certified | Yes |
| Connected Capability | No |
| Series | M-Series |
| Indoor-Unit Combinations Rated | 2 |
| Refrigerant | |
| Type | R-454B |
| GWP Rating | R-454B (GWP:470 | Lower GWP) |
| Identifiers | |
| Model Number | MUZ-HX18NL*** |
| ENERGY STAR ID | ES_14817_MUZ-HX18NL***_10122024011010_2944435 |
| Partner | Mitsubishi Electric U.S. HVAC Division |
| Date Certified | 2026-01-30 |
| Available From | 2026-03-01 |
| Markets | United States, Canada |
Documentation
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