SpecDirectory

TETCO TBS018vsViessmann 100-WA-AP1T027020

Side-by-side geothermal heat pump comparison

TETCO TBS018

EER

21.1–30.5BTU/Wh

COP

3.90–5

Refrigerant

R-410A

Rated Across

2loop types

Viessmann 100-WA-AP1T027020

EER

22.8–30.7BTU/Wh

COP

4.20–5.10

Refrigerant

Other

Rated Across

2loop types

Key differences

Both models are closely matched on eer: 30.5 vs 30.7 BTU/Wh. The Viessmann 100-WA-AP1T027020 is larger at 30.7 BTU/Wh versus 30.5 BTU/Wh.

Efficiency

SpecTETCOViessmann
EER (best configuration)(BTU/Wh)30.530.7
EER (worst configuration)(BTU/Wh)21.122.8
COP (best configuration)55.10
COP (worst configuration)3.904.20

Configuration

SpecTETCOViessmann
Loop Types Rated22
Total Configurations Rated42
Model NameBS SeriesVitocal 100-WA
RefrigerantR-410AOther
View TBS018 specs →View 100-WA-AP1T027020 specs →

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