SpecDirectory

GeoStar 103J064**1vsWHALEN WZ(L/R/B/P/T/K)048A

Side-by-side geothermal heat pump comparison

GeoStar 103J064**1

EER

20.8–25.8BTU/Wh

COP

3.90–4.50

Refrigerant

R-410A

Rated Across

2loop types

WHALEN WZ(L/R/B/P/T/K)048A

EER

20.9–25.7BTU/Wh

COP

3.90–4.40

Refrigerant

Other

Rated Across

2loop types

Key differences

Both models are closely matched on eer: 25.8 vs 25.7 BTU/Wh. The GeoStar 103J064**1 is larger at 25.8 BTU/Wh versus 25.7 BTU/Wh.

Efficiency

SpecGeoStarWHALEN
EER (best configuration)(BTU/Wh)25.825.7
EER (worst configuration)(BTU/Wh)20.820.9
COP (best configuration)4.504.40
COP (worst configuration)3.903.90

Configuration

SpecGeoStarWHALEN
Loop Types Rated22
Total Configurations Rated22
Model NameASTONTranquility 24 Versatile Two-Stage
RefrigerantR-410AOther
View 103J064**1 specs →View WZ(L/R/B/P/T/K)048A specs →

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