American Standard / Mitsubishi Electric MUZ-FS18NA***vsMAINLINE MPP15AY18AJ2N
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
MAINLINE MPP15AY18AJ2N
SEER2
15.2BTU/Wh
HSPF2
8.1BTU/Wh
Cooling Capacity
17100BTU/hr
Cold Climate
Yes
Cold climate certified
Key differences
American Standard / Mitsubishi Electric MUZ-FS18NA*** is 28% more efficient at 21.0 BTU/Wh versus 15.2 BTU/Wh for the MAINLINE MPP15AY18AJ2N. The American Standard / Mitsubishi Electric MUZ-FS18NA*** is larger at 17200 BTU/hr versus 17100 BTU/hr. MAINLINE MPP15AY18AJ2N uses a lower-impact refrigerant: R-454B (GWP 470) versus R-410A (GWP 2088). 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 | MAINLINE |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 21 | 15.2 |
| SEER2 (worst combination)(BTU/Wh) | 21 | 15.2 |
| HSPF2 (best combination)(BTU/Wh) | 10.7 | 8.1 |
| HSPF2 (worst combination)(BTU/Wh) | 10.7 | 8.1 |
| EER2 (best combination)(BTU/Wh) | 12.5 | 11.7 |
| COP at 5 °F | 2 | 2 |
Capacity
| Spec | American Standard / Mitsubishi Electric | MAINLINE |
|---|---|---|
| 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 | 10900 |
| Heating at 5 °F(BTU/hr) | 22400 | 8600 |
Configuration
| Spec | American Standard / Mitsubishi Electric | MAINLINE |
|---|---|---|
| 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 | Performance |
| Indoor-Unit Combinations Rated | 1 | 1 |
Refrigerant
| Spec | American Standard / Mitsubishi Electric | MAINLINE |
|---|---|---|
| Type | R-410A | R-454B |
| GWP Rating | R-410A (GWP:2088) | R-454B (GWP:470 | Lower GWP) |
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