SpecDirectory

American Standard / Mitsubishi Electric MUZ-FS18NA***vsFriedrich FWP15AZ18AJ2N

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

Friedrich FWP15AZ18AJ2N

SEER2

15.2–16BTU/Wh

HSPF2

7.8–8.1BTU/Wh

Cooling Capacity

17100BTU/hr

Refrigerant

R-410A

GWP 2088 · Higher

Key differences

American Standard / Mitsubishi Electric MUZ-FS18NA*** is 24% more efficient at 21.0 BTU/Wh versus 16.0 BTU/Wh for the Friedrich FWP15AZ18AJ2N. 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

SpecAmerican Standard / Mitsubishi ElectricFriedrich
SEER2 (best combination)(BTU/Wh)2116
SEER2 (worst combination)(BTU/Wh)2115.2
HSPF2 (best combination)(BTU/Wh)10.78.1
HSPF2 (worst combination)(BTU/Wh)10.77.8
EER2 (best combination)(BTU/Wh)12.511.7
COP at 5 °F22.20

Capacity

SpecAmerican Standard / Mitsubishi ElectricFriedrich
Cooling Capacity (max)(BTU/hr)1720017100
Cooling Capacity (min)(BTU/hr)1720017100
Heating at 47 °F(BTU/hr)1900017100
Heating at 17 °F(BTU/hr)1280012300
Heating at 5 °F(BTU/hr)224009500

Configuration

SpecAmerican Standard / Mitsubishi ElectricFriedrich
Product TypeHP - Mini or Multi SplitHP - Split System
Compressor StagingContinuously variableTwo-stage
Cold Climate CertifiedYesNo
Connected CapabilityNoNo
SeriesM-SeriesVERSUS
Indoor-Unit Combinations Rated142

Refrigerant

SpecAmerican Standard / Mitsubishi ElectricFriedrich
TypeR-410AR-410A
GWP RatingR-410A (GWP:2088)R-410A (GWP:2088)

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