SpecDirectory

GeoStar G5WZ060BS1*vsTETCO TZS015*****1B

Side-by-side geothermal heat pump comparison

GeoStar G5WZ060BS1*

EER

16.1–20.4BTU/Wh

COP

3.10–3.80

Refrigerant

Other

Rated Across

2loop types

TETCO TZS015*****1B

EER

20.3BTU/Wh

COP

3.90

Refrigerant

R-410A

Key differences

Both models are closely matched on eer: 20.4 vs 20.3 BTU/Wh. The GeoStar G5WZ060BS1* is larger at 20.4 BTU/Wh versus 20.3 BTU/Wh.

Efficiency

SpecGeoStarTETCO
EER (best configuration)(BTU/Wh)20.420.3
EER (worst configuration)(BTU/Wh)16.120.3
COP (best configuration)3.803.90
COP (worst configuration)3.103.90

Configuration

SpecGeoStarTETCO
Loop Types Rated21
Total Configurations Rated21
Model NameASTONIon
RefrigerantOtherR-410A

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