SpecDirectory

Custom Comfort CCOXHASZ24HPvsViessmann D5CURAH24AAK+KSAIC0701230

Side-by-side heat pump comparison

Custom Comfort CCOXHASZ24HP

SEER2

18.4–21.5BTU/Wh

HSPF2

9.3–11.5BTU/Wh

Cooling Capacity

23000–24000BTU/hr

Cold Climate

Yes

Cold climate certified

Viessmann D5CURAH24AAK+KSAIC0701230

SEER2

16BTU/Wh

HSPF2

9BTU/Wh

Cooling Capacity

23800BTU/hr

Cold Climate

Yes

Cold climate certified

Key differences

Custom Comfort CCOXHASZ24HP is 26% more efficient at 21.5 BTU/Wh versus 16.0 BTU/Wh for the Viessmann D5CURAH24AAK+KSAIC0701230. The Custom Comfort CCOXHASZ24HP is larger at 24000 BTU/hr versus 23800 BTU/hr. Viessmann D5CURAH24AAK+KSAIC0701230 uses a lower-impact refrigerant: R-454B (GWP 470) versus R-410A (GWP 2088). Overall, the Custom Comfort CCOXHASZ24HP sits higher in the category, ranking above 44% of certified air-source heat pumps.

Efficiency

SpecCustom ComfortViessmann
SEER2 (best combination)(BTU/Wh)21.516
SEER2 (worst combination)(BTU/Wh)18.416
HSPF2 (best combination)(BTU/Wh)11.59
HSPF2 (worst combination)(BTU/Wh)9.39
EER2 (best combination)(BTU/Wh)1310
COP at 5 °F2.211.98

Capacity

SpecCustom ComfortViessmann
Cooling Capacity (max)(BTU/hr)2400023800
Cooling Capacity (min)(BTU/hr)2300023800
Heating at 47 °F(BTU/hr)2900025400
Heating at 17 °F(BTU/hr)2120019400
Heating at 5 °F(BTU/hr)2700019800

Configuration

SpecCustom ComfortViessmann
Product TypeHP - Split SystemHP - Split System
Compressor StagingContinuously variableContinuously variable
Cold Climate CertifiedYesYes
Connected CapabilityNoNo
SeriesCCOX seriesCrossover Heat Pump
Indoor-Unit Combinations Rated51

Refrigerant

SpecCustom ComfortViessmann
TypeR-410AR-454B
GWP RatingR-410A (GWP:2088)R-454B (GWP:470 | Lower GWP)

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