SpecDirectory

Viessmann D5CUHAH30AAK+TIC2025-0016vsZephyr ZE-36M422SCO

Side-by-side heat pump comparison

Viessmann D5CUHAH30AAK+TIC2025-0016

SEER2

16.5BTU/Wh

HSPF2

9BTU/Wh

Cooling Capacity

31200BTU/hr

Cold Climate

Yes

Cold climate certified

Zephyr ZE-36M422SCO

SEER2

20.3–21BTU/Wh

HSPF2

8.9–9BTU/Wh

Cooling Capacity

32000BTU/hr

Cold Climate

Yes

Cold climate certified

Key differences

Zephyr ZE-36M422SCO is 21% more efficient at 21.0 BTU/Wh versus 16.5 BTU/Wh for the Viessmann D5CUHAH30AAK+TIC2025-0016. The Zephyr ZE-36M422SCO is larger at 32000 BTU/hr versus 31200 BTU/hr. Viessmann D5CUHAH30AAK+TIC2025-0016 uses a lower-impact refrigerant: R-454B (GWP 470) versus R-410A (GWP 2088).

Efficiency

SpecViessmannZephyr
SEER2 (best combination)(BTU/Wh)16.521
SEER2 (worst combination)(BTU/Wh)16.520.3
HSPF2 (best combination)(BTU/Wh)99
HSPF2 (worst combination)(BTU/Wh)98.9
EER2 (best combination)(BTU/Wh)10.512.5
COP at 5 °F1.921.84

Capacity

SpecViessmannZephyr
Cooling Capacity (max)(BTU/hr)3120032000
Cooling Capacity (min)(BTU/hr)3120032000
Heating at 47 °F(BTU/hr)3720032000
Heating at 17 °F(BTU/hr)2100022600
Heating at 5 °F(BTU/hr)3200036000

Configuration

SpecViessmannZephyr
Product TypeHP - Split SystemHP - Mini or Multi Split
Compressor StagingContinuously variableContinuously variable
Cold Climate CertifiedYesYes
Connected CapabilityNoNo
SeriesCrossover Heat PumpHi MULTI Xtreme
Indoor-Unit Combinations Rated23

Refrigerant

SpecViessmannZephyr
TypeR-454BR-410A
GWP RatingR-454B (GWP:470 | Lower GWP)R-410A (GWP:2088)

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