Century HZS024BvsGeoSmart Energy GSZ036*1*J
Side-by-side geothermal heat pump comparison
Century HZS024B
EER
20.5–27.5BTU/Wh
COP
3.80–4.70
Refrigerant
R-410A
Rated Across
2loop types
GeoSmart Energy GSZ036*1*J
EER
20.4–27.4BTU/Wh
COP
4–4.90
Refrigerant
R-410A
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 27.5 vs 27.4 BTU/Wh. The Century HZS024B is larger at 27.5 BTU/Wh versus 27.4 BTU/Wh.
Efficiency
| Spec | Century | GeoSmart Energy |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 27.5 | 27.4 |
| EER (worst configuration)(BTU/Wh) | 20.5 | 20.4 |
| COP (best configuration) | 4.70 | 4.90 |
| COP (worst configuration) | 3.80 | 4 |
Configuration
| Spec | Century | GeoSmart Energy |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 14 | 8 |
| Model Name | Tranquility 27 Split Digital | PREMIUM G |
| Refrigerant | R-410A | R-410A |