Comfort-Aire HNW120vsGeoStar G5WZ048BS1*
Side-by-side geothermal heat pump comparison
Comfort-Aire HNW120
EER
20.8BTU/Wh
COP
3.50
Refrigerant
R-410A
GeoStar G5WZ048BS1*
EER
16.1–20.9BTU/Wh
COP
3.10–3.60
Refrigerant
Other
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 20.8 vs 20.9 BTU/Wh. The GeoStar G5WZ048BS1* is larger at 20.9 BTU/Wh versus 20.8 BTU/Wh.
Efficiency
| Spec | Comfort-Aire | GeoStar |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 20.8 | 20.9 |
| EER (worst configuration)(BTU/Wh) | 20.8 | 16.1 |
| COP (best configuration) | 3.50 | 3.60 |
| COP (worst configuration) | 3.50 | 3.10 |
Configuration
| Spec | Comfort-Aire | GeoStar |
|---|---|---|
| Loop Types Rated | 1 | 2 |
| Total Configurations Rated | 1 | 2 |
| Model Name | TRANQUILITY WATER TO WATER SERIES | ASTON |
| Refrigerant | R-410A | Other |