American Standard / Mitsubishi Electric MUZ-FS18NA***vsDuraSTAR DRHP15A18AJ2AN
Side-by-side heat pump comparison
American Standard / Mitsubishi Electric MUZ-FS18NA***
SEER2
21BTU/Wh
HSPF2
10.7BTU/Wh
Cooling Capacity
17200BTU/hr
Cold Climate
Yes
Cold climate certified
DuraSTAR DRHP15A18AJ2AN
SEER2
15.2–16BTU/Wh
HSPF2
7.8–8.1BTU/Wh
Cooling Capacity
17100BTU/hr
Cold Climate
Yes
Cold climate certified
Key differences
American Standard / Mitsubishi Electric MUZ-FS18NA*** is 24% more efficient at 21.0 BTU/Wh versus 16.0 BTU/Wh for the DuraSTAR DRHP15A18AJ2AN. The American Standard / Mitsubishi Electric MUZ-FS18NA*** is larger at 17200 BTU/hr versus 17100 BTU/hr. Overall, the American Standard / Mitsubishi Electric MUZ-FS18NA*** sits higher in the category, ranking above 25% of certified air-source heat pumps.
Efficiency
| Spec | American Standard / Mitsubishi Electric | DuraSTAR |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 21 | 16 |
| SEER2 (worst combination)(BTU/Wh) | 21 | 15.2 |
| HSPF2 (best combination)(BTU/Wh) | 10.7 | 8.1 |
| HSPF2 (worst combination)(BTU/Wh) | 10.7 | 7.8 |
| EER2 (best combination)(BTU/Wh) | 12.5 | 11.7 |
| COP at 5 °F | 2 | 2.10 |
Capacity
| Spec | American Standard / Mitsubishi Electric | DuraSTAR |
|---|---|---|
| Cooling Capacity (max)(BTU/hr) | 17200 | 17100 |
| Cooling Capacity (min)(BTU/hr) | 17200 | 17100 |
| Heating at 47 °F(BTU/hr) | 19000 | 17100 |
| Heating at 17 °F(BTU/hr) | 12800 | 12100 |
| Heating at 5 °F(BTU/hr) | 22400 | 9500 |
Configuration
| Spec | American Standard / Mitsubishi Electric | DuraSTAR |
|---|---|---|
| Product Type | HP - Mini or Multi Split | HP - Split System |
| Compressor Staging | Continuously variable | Two-stage |
| Cold Climate Certified | Yes | Yes |
| Connected Capability | No | No |
| Series | M-Series | Series |
| Indoor-Unit Combinations Rated | 1 | 8 |
Refrigerant
| Spec | American Standard / Mitsubishi Electric | DuraSTAR |
|---|---|---|
| Type | R-410A | R-410A |
| GWP Rating | R-410A (GWP:2088) | R-410A (GWP:2088) |
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