5TWX6042A1
Trane · HP - Split System
ENERGY STAR CertifiedAir-Source Heat Pumps →
SEER2
15.2–16BTU/Wh
HSPF2
7.8–8.1BTU/Wh
Cooling Capacity
38500–41500BTU/hr
Refrigerant
R-454B
GWP 470 · Lower
Low SEER2
Trane 5TWX6042A1: SEER2 16 BTU/Wh, lower than 85% of air-source heat pumps (category median 20 BTU/Wh).
Where this model sits
Cooling41500BTU/hr
6000median 2400060000
SEER216BTU/Wh
15.2median 2035.1
Lower than 85% of air-source heat pumps.
The Trane 5TWX6042A1 is a 41500 BTU/hr hp - split system using R-454B, a refrigerant with moderate global warming potential (GWP 470). At 16 BTU/Wh it ranks in the bottom 14% of the 12,218 certified air-source heat pumps models. Among similar-sized air-source heat pumps (within 10% of its size), it is less efficient than the peer median of 16.5 BTU/Wh.
Specifications
| Efficiency | |
|---|---|
| SEER2 (best combination) | 16BTU/Wh |
| SEER2 (worst combination) | 15.2BTU/Wh |
| HSPF2 (best combination) | 8.1BTU/Wh |
| HSPF2 (worst combination) | 7.8BTU/Wh |
| EER2 (best combination) | 12BTU/Wh |
| COP at 5 °F | 2.30 |
| Capacity | |
| Cooling Capacity (max) | 41500BTU/hr |
| Cooling Capacity (min) | 38500BTU/hr |
| Heating at 47 °F | 40500BTU/hr |
| Heating at 17 °F | 26000BTU/hr |
| Heating at 5 °F | 19800BTU/hr |
All 25 specifications
| Configuration | |
|---|---|
| Product Type | HP - Split System |
| Compressor Staging | Single stage |
| Cold Climate Certified | No |
| Connected Capability | No |
| Series | 16 Single-Stage Heat Pump with WeatherGuard Top |
| Indoor-Unit Combinations Rated | 187 |
| Refrigerant | |
| Type | R-454B |
| GWP Rating | R-454B (GWP:470 | Lower GWP) |
| Identifiers | |
| Model Number | 5TWX6042A1 |
| ENERGY STAR ID | ES_1075581_5TWX6042A1_04172026163015_28218396391 |
| Partner | Trane and American Standard Heating and Air Conditioning |
| Date Certified | 2026-06-12 |
| Available From | 2026-04-16 |
| Markets | United States, Canada |
Documentation
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