Tempstar R4H5S36*K*AAA*vsTrane 5TWX7036A1
Side-by-side heat pump comparison
Tempstar R4H5S36*K*AAA*
SEER2
15.5BTU/Wh
HSPF2
7.8BTU/Wh
Cooling Capacity
34600BTU/hr
Refrigerant
R-410A
GWP 2088 · Higher
Trane 5TWX7036A1
SEER2
15.2–18BTU/Wh
HSPF2
8.1–9.4BTU/Wh
Cooling Capacity
31400–34800BTU/hr
Cold Climate
Yes
Cold climate certified
Key differences
Trane 5TWX7036A1 is 14% more efficient at 18.0 BTU/Wh versus 15.5 BTU/Wh for the Tempstar R4H5S36*K*AAA*. The Trane 5TWX7036A1 is larger at 34800 BTU/hr versus 34600 BTU/hr. Trane 5TWX7036A1 uses a lower-impact refrigerant: R-454B (GWP 470) versus R-410A (GWP 2088). Overall, the Trane 5TWX7036A1 sits higher in the category, ranking above 68% of certified air-source heat pumps.
Efficiency
| Spec | Tempstar | Trane |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 15.5 | 18 |
| SEER2 (worst combination)(BTU/Wh) | 15.5 | 15.2 |
| HSPF2 (best combination)(BTU/Wh) | 7.8 | 9.4 |
| HSPF2 (worst combination)(BTU/Wh) | 7.8 | 8.1 |
| EER2 (best combination)(BTU/Wh) | 12.5 | 12.7 |
| COP at 5 °F | — | 2.20 |
Capacity
| Spec | Tempstar | Trane |
|---|---|---|
| Cooling Capacity (max)(BTU/hr) | 34600 | 34800 |
| Cooling Capacity (min)(BTU/hr) | 34600 | 31400 |
| Heating at 47 °F(BTU/hr) | 33800 | 33800 |
| Heating at 17 °F(BTU/hr) | 20200 | 30200 |
| Heating at 5 °F(BTU/hr) | — | 25000 |
Configuration
| Spec | Tempstar | Trane |
|---|---|---|
| Product Type | HP - Split System | HP - Split System |
| Compressor Staging | Single stage | Two-stage |
| Cold Climate Certified | No | Yes |
| Connected Capability | No | No |
| Series | 15 SEER2 R SERIES R410A HP | 17 Multi-Speed Heat Pump with WeatherGuard Top |
| Indoor-Unit Combinations Rated | 1 | 519 |
Refrigerant
| Spec | Tempstar | Trane |
|---|---|---|
| Type | R-410A | R-454B |
| GWP Rating | R-410A (GWP:2088) | R-454B (GWP:470 | Lower GWP) |