Viessmann D5CUHAH24AAK+TIC2025-0016vsWeatherKing RHPXZS024AJT
Side-by-side heat pump comparison
Viessmann D5CUHAH24AAK+TIC2025-0016
SEER2
17.5BTU/Wh
HSPF2
9BTU/Wh
Cooling Capacity
23400BTU/hr
Cold Climate
Yes
Cold climate certified
WeatherKing RHPXZS024AJT
SEER2
15.2BTU/Wh
HSPF2
7.2BTU/Wh
Cooling Capacity
23600BTU/hr
Refrigerant
R-410A
GWP 2088 · Higher
Key differences
Viessmann D5CUHAH24AAK+TIC2025-0016 is 13% more efficient at 17.5 BTU/Wh versus 15.2 BTU/Wh for the WeatherKing RHPXZS024AJT. The WeatherKing RHPXZS024AJT is larger at 23600 BTU/hr versus 23400 BTU/hr. Viessmann D5CUHAH24AAK+TIC2025-0016 uses a lower-impact refrigerant: R-454B (GWP 470) versus R-410A (GWP 2088). Overall, the Viessmann D5CUHAH24AAK+TIC2025-0016 sits higher in the category, ranking above 43% of certified air-source heat pumps.
Efficiency
| Spec | Viessmann | WeatherKing |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 17.5 | 15.2 |
| SEER2 (worst combination)(BTU/Wh) | 17.5 | 15.2 |
| HSPF2 (best combination)(BTU/Wh) | 9 | 7.2 |
| HSPF2 (worst combination)(BTU/Wh) | 9 | 7.2 |
| EER2 (best combination)(BTU/Wh) | 11 | 11.5 |
| COP at 5 °F | 2.02 | — |
Capacity
| Spec | Viessmann | WeatherKing |
|---|---|---|
| Cooling Capacity (max)(BTU/hr) | 23400 | 23600 |
| Cooling Capacity (min)(BTU/hr) | 23400 | 23600 |
| Heating at 47 °F(BTU/hr) | 23600 | 22600 |
| Heating at 17 °F(BTU/hr) | 18100 | 14000 |
| Heating at 5 °F(BTU/hr) | 19000 | — |
Configuration
| Spec | Viessmann | WeatherKing |
|---|---|---|
| Product Type | HP - Split System | HP - Single Package |
| Compressor Staging | Continuously variable | Two-stage |
| Cold Climate Certified | Yes | No |
| Connected Capability | No | No |
| Series | Crossover Heat Pump | RHPXZS |
| Indoor-Unit Combinations Rated | 1 | 1 |
Refrigerant
| Spec | Viessmann | WeatherKing |
|---|---|---|
| Type | R-454B | R-410A |
| GWP Rating | R-454B (GWP:470 | Lower GWP) | R-410A (GWP:2088) |