Brand guide · United States · checked October 19, 2026
Trane heat pumps
Trane is part of the Trane Technologies family. ENERGY STAR lists 104 Trane outdoor models certified for the US, 45 of them cold-climate, and its best certified pairing heats at a COP of 2.54 at 5°F.
Trane at a glance
- Who owns it
- Trane Technologies plc (NYSE: TT). No ownership change in 2024-2026. Ductless and mini-split products come from Mitsubishi Electric through Mitsubishi Electric Trane HVAC US (METUS), a joint venture of Trane Technologies and Mitsubishi Electric US formed in May 2018.
- Sister brands
- American Standard, Ameristar, RunTru, OxBox, Trane/Mitsubishi Electric and American Standard/Mitsubishi Electric (METUS joint venture)
- Headquarters
- Swords, Ireland (Trane Technologies plc); Trane Residential news is datelined Davidson, North Carolina, USA
- How it's sold
- Contractor-installed
- Price tier
- Budget to premium. Trane sorts its lines into Premier, Priority and Choice tiers and calls Choice 'the best choice for quality products at a more modest price point' (Contracting Business, Apr 2024). Ameristar, RunTru and OxBox are Trane Technologies' lower-cost brands. No independent installed-price data was verified.
- What it makes
- ducted central, ductless mini-split, ducted mini-split, packaged
- Names on ENERGY STAR's list
- Trane (certified by Trane and American Standard Heating and Air Conditioning)
Product lines
The current residential heat pump lines we found on Trane's own pages, with the low-temperature claim in the maker's words. 5 of 8 are sold as cold-climate.
| Line | Type | Cold-climate | Maker's low-temperature claim | Refrigerant |
|---|---|---|---|---|
| 20 TruComfort Cold Climate Heat Pump with WeatherGuard (5TCV0) | ducted central | Yes | 'maintain 100% heating capacity down to 5°F' and 'continue operating in temperatures as low as -20°F' (Trane Technologies, Oct 2026). Trane's own table shows 87-107% of rated capacity at 5°F and 53-85% at -20°F, depending on size. | — |
| 20 TruComfort Variable Speed Heat Pump with WeatherGuard (5TWV0; same model family as the R-410A XV20i, 4TWV0) | ducted central | No | No low-temperature figure published | R-454B |
| 19 Multi-Speed Low Profile Cold Climate Heat Pump (5HCL9) | ducted central | Yes | Trane says its low-profile cold climate heat pumps are 'proven to provide 100% of your heat when the outside temperature is as low as 5°F' and 'can provide 70% of your heating needs down to -13°F' | R-454B |
| 17 Multi-Speed Low Profile Cold Climate Heat Pump (5HCL6) | ducted central | Yes | 'provides 100% of your heat down to 5°F' (Trane product page) | R-454B |
| 16 Multi-Speed Low Profile Cold Climate Heat Pump (5HCL5) | ducted central | Yes | Low-profile cold climate family claim: 100% of heat at 5°F and 70% of heating needs down to -13°F (Trane, Dec 2025); no figure on the product page itself | R-454B |
| 17 Multi-Speed Heat Pump, with or without WeatherGuard (5TWR7 / 5TWX7) | ducted central | No | No low-temperature figure published | R-454B |
| 15 Single-Stage Heat Pump, with or without WeatherGuard (5TWR5 / 5TWX5; replaces the XR15) | ducted central | No | No low-temperature figure published | R-454B |
| Trane/Mitsubishi Electric ductless mini-splits (Hyper-Heating INVERTER models) | ductless mini-split | Yes | Some models 'can provide heating in temperatures as low as -13°F', with '100% heating capacity at 5°F' (Trane ductless page) | — |
Certified models with the best cold-weather numbers
From ENERGY STAR's list for the US (updated October 19, 2026): each row is one outdoor unit with its best certified pairing. 74 of 104 Trane outdoor models use R-454B or R-32; the tables show those.
Mini-splits and multi-splits (12 models)
No mini-splits and multi-splits on R-454B or R-32 are listed for Trane, so these use R-410A.
| Outdoor / indoor model | Size | Heat at 5°F | COP at 5°F | HSPF2 | SEER2 | Refrigerant | AHRI # |
|---|---|---|---|---|---|---|---|
| 4TXM2118A12N0** M-Series | 18,000 BTU/h 1.5-ton | 13,600 BTU/h 76% of rated | 2.22 | 10.0 | 21.0 | R-410A ENERGY STAR Cold Climate | 210435405 |
| 4TXM2124A13N0** M-Series | 24,000 BTU/h 2-ton | 21,600 BTU/h 90% of rated | 2.10 | 10.0 | 21.0 | R-410A ENERGY STAR Cold Climate | 210435406 |
| 4TXM2142A15N0** M-Series | 40,000 BTU/h 3-ton | 32,400 BTU/h 81% of rated | 1.92 | 10.0 | 21.0 | R-410A ENERGY STAR Cold Climate | 210435409 |
| 4TXK3809B10NU** 4MXW3809B10NU** 38 Series | 9,000 BTU/h 1-ton | 13,000 BTU/h 144% of rated | 1.91 | 11.0 | 27.0 | R-410A ENERGY STAR Cold Climate | 204340354 |
| 4TXK3812A10NU** 4MXW3812A10NU** 38 Series | 12,200 BTU/h 1-ton | 12,000 BTU/h 98% of rated | 1.91 | 8.5 | 24.0 | R-410A ENERGY STAR Cold Climate | 9150123 |
| 4TXM2130A14N0** M-Series | 30,000 BTU/h 2.5-ton | 22,800 BTU/h 76% of rated | 1.84 | 10.0 | 21.0 | R-410A ENERGY STAR Cold Climate | 210435407 |
Central (ducted) split systems (92 models)
| Outdoor / indoor model | Size | Heat at 5°F | COP at 5°F | HSPF2 | SEER2 | Refrigerant | AHRI # |
|---|---|---|---|---|---|---|---|
| 5TWR6060A1 5TEMCD07AV51+TDR+TSTAT 16 Single-Stage Heat Pump | 52,500 BTU/h 4.5-ton | 27,800 BTU/h 53% of rated | 2.54 | 8.1 | 15.2 | R-454B | 218109380 |
| N5HP5060A1 A5AHV007A1D3+TDR+TSTAT Advantage 15 Heat Pump | 51,000 BTU/h 4.5-ton | 28,200 BTU/h 55% of rated | 2.50 | 8.1 | 15.2 | R-454B | 218469933 |
| 5TWR5060A1 5TEMCD07AV51+TDR+TSTAT 15 Single-Stage Heat Pump | 52,500 BTU/h 4.5-ton | 28,200 BTU/h 54% of rated | 2.50 | 8.5 | 15.2 | R-454B | 215863958 |
| 5TWR6036A1 5TEMCD07AV51+TDR+TSTAT 16 Single-Stage Heat Pump | 31,200 BTU/h 3-ton | 17,000 BTU/h 55% of rated | 2.49 | 8.1 | 16.5 | R-454B | 218107906 |
| N5HP5036A1 A5AHV006A1D3+TDR+TSTAT Advantage 15 Heat Pump | 30,400 BTU/h 3-ton | 17,400 BTU/h 57% of rated | 2.48 | 8.1 | 16.0 | R-454B | 218469705 |
| 5TWX6036A1 5TEMCD07AV51+TDR+TSTAT 16 Single-Stage Heat Pump with WeatherGuard Top | 30,800 BTU/h 3-ton | 17,000 BTU/h 55% of rated | 2.48 | 8.1 | 16.5 | R-454B | 218110467 |
Most efficient for cooling
| Outdoor / indoor model | Size | SEER2 | EER2 | HSPF2 | COP at 5°F | Refrigerant | AHRI # |
|---|---|---|---|---|---|---|---|
| 5TWV0X24A1 5PX*B006AS3 20 TruComfort Variable Speed Heat Pump with WeatherGuard Top | 22,400 BTU/h 2-ton | 22.4 | 12.0 | 10.0 | 2.20 | R-454B ENERGY STAR Cold Climate | 216570874 |
| 5TWV0X36A1 5PX*D010AS3 20 TruComfort Variable Speed Heat Pump | 32,000 BTU/h 3-ton | 21.0 | 13.0 | 10.0 | 2.20 | R-454B ENERGY STAR Cold Climate | 216453109 |
| 5TWV0X48A1 5TXCD010AS3 20 TruComfort Variable Speed Heat Pump | 46,000 BTU/h 3.5-ton | 20.8 | 12.0 | 9.7 | 2.10 | R-454B | 218036413 |
| 5TCV0X36A1 5TEMCD04AV31+TDR 20 TruComfort Variable Speed Cold Climate Heat Pump | 33,200 BTU/h 2-ton | 20.0 | 12.3 | 10.3 | 2.27 | R-454B ENERGY STAR Cold Climate | 218792275 |
Look up any pairing by its AHRI number in the AHRI Directory ↗ or search the model in ENERGY STAR's product finder ↗. Ratings are for the exact indoor and outdoor pairing shown.
Warranty
Registration: Base Limited Warranty: 5 years on compressor, outdoor coil and parts if not registered within 60 days of installation. Registered compressor cover is 12 years on 5TWV, 5TWX and the 17/19 low-profile families, and 10 years on 5TWR, 5HPL5 and 5HCL5. In Florida, registration isn't required for home sales from July 1, 2024.
Labour: Not in the base or registered limited warranty; Trane points to optional extended warranty plans bought through the dealer
The same Trane U.S. warranty letter applies in Canada: base 5 years if not registered within 60 days (12-year compressor on the same families as in the US). Trane says registration exclusions vary by province.
Strengths and watch-outs
Strengths
- New 20 TruComfort Cold Climate (Oct 2026): 100% heating capacity to 5°F and operation to -20°F, backed by about 18,000 hours of field testing (Trane Technologies)
- 12-year registered compressor warranty on variable-speed, WeatherGuard and 17/19 low-profile families (Trane warranty ODR-SVW001A-EN)
- Low-profile cold-climate 16/17/19 line for tight side yards and zero-lot-line homes (Trane, Dec 2025)
- Ductless and ducted mini-splits from Mitsubishi Electric via the METUS joint venture; Hyper-Heating models heat to -13°F (Trane ductless page)
Watch-outs
- 60-day registration deadline; otherwise the base warranty is 5 years
- XV/XR/XL names were retired with the R-454B lineup (2024-25), so older reviews and quotes may cite models no longer built; Trane confirms only that the 15 Single-Stage replaces the XR15
- Not every size meets the '100% at 5°F' headline: Trane's table shows the 5-ton 5TCV0X60 at 87% at 5°F and 60% at -15°F
- No labour in the factory warranty; METUS covers the US and Latin America, and Trane-badged ductless in Canada wasn't verified
Which rebates Trane models fit
Every model in these tables is ENERGY STAR certified, which is the federal equipment rule for the Home Electrification and Appliance Rebates where your state runs them. 45 Trane outdoor models also meet ENERGY STAR Cold Climate, which several utility programs require. The 25C tax credit ended for heat pumps placed in service after December 31, 2025.
Rebate rules by metro:
Recent news
- Trane launched the 20 TruComfort Cold Climate Heat Pump with WeatherGuard, 'available this fall' investors.tranetechnologies.com ↗
- Trane launched 16, 17 and 19 Multi-Speed Low Profile Cold Climate heat pumps trane.com ↗
- Trane Technologies completed the US DOE Residential Cold Climate Heat Pump Challenge investors.tranetechnologies.com ↗
- Trane Residential introduced Premier/Priority/Choice tiers and product names that start with the SEER2 rating contractingbusiness.com ↗
- Trane Technologies announced a completely new residential portfolio using R-454B refrigerant investors.tranetechnologies.com ↗
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Sources
Model counts and ratings: ENERGY STAR Certified Heat Pumps, updated October 19, 2026. Brand facts checked October 19, 2026 on:
- Trane residential heat pumps
- Trane 20 TruComfort Variable Speed Heat Pump with WeatherGuard (5TWV0)
- Trane 19 Multi-Speed Low Profile Cold Climate (5HCL9)
- Trane 17 Multi-Speed Low Profile Cold Climate (5HCL6)
- Trane 16 Multi-Speed Low Profile Cold Climate (5HCL5)
- Trane 17 Multi-Speed Heat Pump (5TWR7)
- Trane blog: 20 TruComfort cold climate heat pump (Sep 24, 2026)
- Trane blog: low-profile cold climate heat pumps (Dec 4, 2025)
- Trane Technologies release: residential cold climate heat pumps (Oct 1, 2026)
- ACHR News: New Trane heat pumps deliver full capacity at 5°F (Oct 1, 2026)
- Trane blog: why we're changing product names
- Contracting Business: Trane tiering and naming (Apr 24, 2024)
- Trane 25C manufacturer's certificate (old and new heat pump names with model numbers)
- Trane heat pump brochure (01/25)
- Trane warranty and registration
- Trane U.S. outdoor-unit Base Limited Warranty (ODR-SVW001A-EN)
- Trane ductless mini-split systems (Mitsubishi Electric)
- Business Wire: METUS 2026 Diamond Leadership Awards (JV description)
- Trane Technologies brands page