Trane 5TWR6048A1
At Wisconsin energy prices this heat pump costs $23.01 per million BTU of heat. The register lists it in 127 configurations, and the ratings below are the range across all of them.
Computed from electricity at 19.56¢/kWh, the EIA average for WI in June 2026. A kilowatt-hour is 3412 BTU. This is a rate times a rating, not a prediction of your bill.
Against the alternatives, at Wisconsin prices
Dollars per million BTU delivered into the house. Lower is cheaper to run; it says nothing about what the equipment costs to buy or install.
What the register says
| Rating | 16.00 (15.20–16.00 across 127 configurations) SEER2 |
|---|---|
| SEER2 (cooling efficiency) | 16.0 |
| HSPF2 (heating efficiency) | 8.5 |
| COP at 5 °F | 2.30 |
| Nominal cooling capacity | 46,500 BTU/h |
| Capacity kept at 5 °F | 53% of its 47 °F rating |
| ENERGY STAR cold-climate | No |
| Fuel | Electricity |
| Type | HP - Split System |
| Refrigerant | R-454B (GWP:470 | Lower GWP) |
| AHRI reference | 218109198 |
| Published configurations | 127 |
| Certified | 2026-09-15 |
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Source: ENERGY STAR certified product data, published by the U.S. EPA and used with attribution. This is a register of certified models, not of every model on the market. ENERGY STAR is a registered mark of the U.S. EPA; this site is not affiliated with or endorsed by EPA or DOE. This page is a record of a published certification; it is not an endorsement, not a quote, and not advice. Corrections.