SpecDirectory

Viessmann 100-WA-AP1T066049vsYORK BY JOHNSON CONTROLS YAZS042**1*J

Side-by-side geothermal heat pump comparison

Viessmann 100-WA-AP1T066049

EER

20.2–25.7BTU/Wh

COP

4–4.70

Refrigerant

Other

Rated Across

2loop types

YORK BY JOHNSON CONTROLS YAZS042**1*J

EER

19.5–25.6BTU/Wh

COP

3.90–4.80

Refrigerant

R-410A

Rated Across

2loop types

Key differences

Both models are closely matched on eer: 25.7 vs 25.6 BTU/Wh. The Viessmann 100-WA-AP1T066049 is larger at 25.7 BTU/Wh versus 25.6 BTU/Wh.

Efficiency

SpecViessmannYORK BY JOHNSON CONTROLS
EER (best configuration)(BTU/Wh)25.725.6
EER (worst configuration)(BTU/Wh)20.219.5
COP (best configuration)4.704.80
COP (worst configuration)43.90

Configuration

SpecViessmannYORK BY JOHNSON CONTROLS
Loop Types Rated22
Total Configurations Rated22
Model NameVitocal 100-WAYORK BY JOHNSON CONTROLS
RefrigerantOtherR-410A
View 100-WA-AP1T066049 specs →View YAZS042**1*J specs →

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