Day & Night C4H5S36*K*AAA*vsTrane 5TWX6036A1
Side-by-side heat pump comparison
Day & Night C4H5S36*K*AAA*
SEER2
15.2BTU/Wh
HSPF2
7.8BTU/Wh
Cooling Capacity
34800–35600BTU/hr
Refrigerant
R-410A
GWP 2088 · Higher
Trane 5TWX6036A1
SEER2
15.2–16.5BTU/Wh
HSPF2
7.8–8.1BTU/Wh
Cooling Capacity
32000–35400BTU/hr
Refrigerant
R-454B
GWP 470 · Lower
Key differences
Trane 5TWX6036A1 is 8% more efficient at 16.5 BTU/Wh versus 15.2 BTU/Wh for the Day & Night C4H5S36*K*AAA*. The Day & Night C4H5S36*K*AAA* is larger at 35600 BTU/hr versus 35400 BTU/hr. Trane 5TWX6036A1 uses a lower-impact refrigerant: R-454B (GWP 470) versus R-410A (GWP 2088). Overall, the Trane 5TWX6036A1 sits higher in the category, ranking above 69% of certified air-source heat pumps.
Efficiency
| Spec | Day & Night | Trane |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 15.2 | 16.5 |
| SEER2 (worst combination)(BTU/Wh) | 15.2 | 15.2 |
| HSPF2 (best combination)(BTU/Wh) | 7.8 | 8.1 |
| HSPF2 (worst combination)(BTU/Wh) | 7.8 | 7.8 |
| EER2 (best combination)(BTU/Wh) | 12.5 | 12 |
| COP at 5 °F | 2.10 | 2.48 |
Capacity
| Spec | Day & Night | Trane |
|---|---|---|
| Cooling Capacity (max)(BTU/hr) | 35600 | 35400 |
| Cooling Capacity (min)(BTU/hr) | 34800 | 32000 |
| Heating at 47 °F(BTU/hr) | 35400 | 32400 |
| Heating at 17 °F(BTU/hr) | 21200 | 22200 |
| Heating at 5 °F(BTU/hr) | 16500 | 17700 |
Configuration
| Spec | Day & Night | Trane |
|---|---|---|
| Product Type | HP - Split System | HP - Split System |
| Compressor Staging | Single stage | Single stage |
| Cold Climate Certified | No | No |
| Connected Capability | No | No |
| Series | MAINLINE 15 SEER2 HP | 16 Single-Stage Heat Pump with WeatherGuard Top |
| Indoor-Unit Combinations Rated | 4 | 374 |
Refrigerant
| Spec | Day & Night | Trane |
|---|---|---|
| Type | R-410A | R-454B |
| GWP Rating | R-410A (GWP:2088) | R-454B (GWP:470 | Lower GWP) |