SpecDirectory

Comfort-Aire MZ(L/R/B/P/T/K)048AvsYORK BY JOHNSON CONTROLS YAZS042**1*J

Side-by-side geothermal heat pump comparison

Comfort-Aire MZ(L/R/B/P/T/K)048A

EER

20.9–25.7BTU/Wh

COP

3.90–4.40

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 Comfort-Aire MZ(L/R/B/P/T/K)048A is larger at 25.7 BTU/Wh versus 25.6 BTU/Wh.

Efficiency

SpecComfort-AireYORK BY JOHNSON CONTROLS
EER (best configuration)(BTU/Wh)25.725.6
EER (worst configuration)(BTU/Wh)20.919.5
COP (best configuration)4.404.80
COP (worst configuration)3.903.90

Configuration

SpecComfort-AireYORK BY JOHNSON CONTROLS
Loop Types Rated22
Total Configurations Rated22
Model NameTranquility 24 Versatile Two-StageYORK BY JOHNSON CONTROLS
RefrigerantOtherR-410A
View MZ(L/R/B/P/T/K)048A specs →View YAZS042**1*J specs →

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