SpecDirectory

Viessmann 100-WA-AP1T052038vsYork Y5SZ036BD1

Side-by-side geothermal heat pump comparison

Viessmann 100-WA-AP1T052038

EER

22.9–29.4BTU/Wh

COP

4.20–5.10

Refrigerant

Other

Rated Across

2loop types

York Y5SZ036BD1

EER

23.8–29.5BTU/Wh

COP

4.40–5.10

Refrigerant

Other

Rated Across

2loop types

Key differences

Both models are closely matched on eer: 29.4 vs 29.5 BTU/Wh. The York Y5SZ036BD1 is larger at 29.5 BTU/Wh versus 29.4 BTU/Wh.

Efficiency

SpecViessmannYork
EER (best configuration)(BTU/Wh)29.429.5
EER (worst configuration)(BTU/Wh)22.923.8
COP (best configuration)5.105.10
COP (worst configuration)4.204.40

Configuration

SpecViessmannYork
Loop Types Rated22
Total Configurations Rated24
Model NameVitocal 100-WAAffinity
RefrigerantOtherOther
View 100-WA-AP1T052038 specs →View Y5SZ036BD1 specs →

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