SpecDirectory

ASTON 103H030**1vsWATERLESS WG2AH-48D1-CP*-*-*

Side-by-side geothermal heat pump comparison

ASTON 103H030**1

EER

18.9–25.6BTU/Wh

COP

3.90–4.80

Refrigerant

R-410A

Rated Across

2loop types

WATERLESS WG2AH-48D1-CP*-*-*

EER

25.5BTU/Wh

COP

4.30

Refrigerant

Other

Key differences

Both models are closely matched on eer: 25.6 vs 25.5 BTU/Wh. The ASTON 103H030**1 is larger at 25.6 BTU/Wh versus 25.5 BTU/Wh.

Efficiency

SpecASTONWATERLESS
EER (best configuration)(BTU/Wh)25.625.5
EER (worst configuration)(BTU/Wh)18.925.5
COP (best configuration)4.804.30
COP (worst configuration)3.904.30

Configuration

SpecASTONWATERLESS
Loop Types Rated21
Total Configurations Rated21
Model NameAstonWG2AH-48
RefrigerantR-410AOther

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