SpecDirectory

Daikin 2MXM18AVJU8vsWillis MZUHW18KCH21S2-O

Side-by-side heat pump comparison

Daikin 2MXM18AVJU8

SEER2

21BTU/Wh

HSPF2

10BTU/Wh

Cooling Capacity

17200BTU/hr

Cold Climate

Yes

Cold climate certified

Willis MZUHW18KCH21S2-O

SEER2

21BTU/Wh

HSPF2

10BTU/Wh

Cooling Capacity

17000BTU/hr

Cold Climate

Yes

Cold climate certified

Key differences

The Daikin 2MXM18AVJU8 is larger at 17200 BTU/hr versus 17000 BTU/hr. Daikin 2MXM18AVJU8 uses a lower-impact refrigerant: R-32 (GWP 675) versus R-410A (GWP 2088).

Efficiency

SpecDaikinWillis
SEER2 (best combination)(BTU/Wh)2121
SEER2 (worst combination)(BTU/Wh)2121
HSPF2 (best combination)(BTU/Wh)1010
HSPF2 (worst combination)(BTU/Wh)1010
EER2 (best combination)(BTU/Wh)1212
COP at 5 °F1.802.22

Capacity

SpecDaikinWillis
Cooling Capacity (max)(BTU/hr)1720017000
Cooling Capacity (min)(BTU/hr)1720017000
Heating at 47 °F(BTU/hr)1850018000
Heating at 17 °F(BTU/hr)1200015000
Heating at 5 °F(BTU/hr)1320013600

Configuration

SpecDaikinWillis
Product TypeHP - Mini or Multi SplitHP - Mini or Multi Split
Compressor StagingContinuously variableContinuously variable
Cold Climate CertifiedYesYes
Connected CapabilityNoNo
SeriesStandard MultiMultiHeat
Indoor-Unit Combinations Rated11

Refrigerant

SpecDaikinWillis
TypeR-32R-410A
GWP RatingR-32 (GWP:675 | Lower GWP)R-410A (GWP:2088)

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