GeoStar 103H048**1vsTempstar HB018V******1**2
Side-by-side geothermal heat pump comparison
GeoStar 103H048**1
EER
18.7–25.5BTU/Wh
COP
4–4.70
Refrigerant
R-410A
Rated Across
2loop types
Tempstar HB018V******1**2
EER
18.5–25.3BTU/Wh
COP
3.70–4.40
Refrigerant
R-410A
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 25.5 vs 25.3 BTU/Wh. The GeoStar 103H048**1 is larger at 25.5 BTU/Wh versus 25.3 BTU/Wh.
Efficiency
| Spec | GeoStar | Tempstar |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 25.5 | 25.3 |
| EER (worst configuration)(BTU/Wh) | 18.7 | 18.5 |
| COP (best configuration) | 4.70 | 4.40 |
| COP (worst configuration) | 4 | 3.70 |
Configuration
| Spec | GeoStar | Tempstar |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 4 | 2 |
| Model Name | Aston | HB |
| Refrigerant | R-410A | R-410A |