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Rheem vs Trane: heat pump ratings compared

Against heat pumps of the same size and type, a typical Rheem model beats 49% and a typical Trane model 50%. Trane rates slightly higher overall.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

Rheem

49%

of similar heat pumps beaten by its typical model

About average

341 models listed

Trane

50%

of similar heat pumps beaten by its typical model

About average

363 models listed

Rating by ratingEach bar is the share of same-size, same-type heat pumps that a typical model beats, so the two brands compare fairly even if they make different sizes.
  • Efficiency on a 5°F dayCOP at 5°FRheem: Beats 59%Trane: Beats 68%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FRheem: Beats 48%Trane: Beats 43%
  • Winter-long heating efficiencyHSPF2Rheem: Beats 43%Trane: Beats 36%
  • Summer-long cooling efficiencySEER2Rheem: Beats 42%Trane: Beats 40%
  • Hot-day cooling efficiencyEER2Rheem: Beats 40%Trane: Beats 66%

Average (50%)Dashed outline: the other brand, for comparison

Want ranks, distributions per size class and cold-weather curves? Switch to Advanced

Rebate standards

Share of each brand’s models that meet the level. Programs can have other rules too.

  • CEE 2025

    Rheem
    36%
    Trane
    39%

  • Xcel CC

    Rheem
    34%
    Trane
    26%

  • CEE Advanced

    Rheem
    2%
    Trane
    3%

  • ENERGY STAR CC

    Rheem
    33%
    Trane
    18%

All-around best, ductless 2 tons

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.

Showing Ductless, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

Rheem

  1. 1ML24HP230CALH-Owith ductless indoor unit ML24HP230CALH-IRheem (sold as Mainline)2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 88.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    83% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.34 (COP at 5°F)
    Top 10%
    Winter efficiency
    13.5 (HSPF2)
    Top 10%
    Cooling efficiency
    21.0 (SEER2)
    Below the middle
    Hot-day cooling
    13.0 (EER2)
    Great
    76.4score / 100Heating 88 · Cooling 65
  2. 2ML24HP230NEX-Owith ductless indoor unit ML24HP230NEX-IRheem (sold as Mainline)2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 77.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.15 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    23.5 (SEER2)
    Top 10%
    Hot-day cooling
    13.0 (EER2)
    Great
    74.3score / 100Heating 64 · Cooling 85
  3. 3ML24HP230NEXH-Owith ductless indoor unit ML24HP230NEX-IRheem (sold as Mainline)2 tons · 23,000 Btu/h · DuctlessCold-climate pick, score 89.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    92% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    13.3 (HSPF2)
    Top 10%
    Cooling efficiency
    22.3 (SEER2)
    Good
    Hot-day cooling
    12.5 (EER2)
    Good
    72.9score / 100Heating 77 · Cooling 69

Trane

  1. 1M5THS2324A11NAAwith ductless indoor unit M5MHWUN24A1N0AATrane (sold as RunTru)Also listed as M5THS2324A11NA2 tons · 23,000 Btu/h · DuctlessCold-climate pick, score 37.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Below the middle
    Cooling efficiency
    23.0 (SEER2)
    Great
    Hot-day cooling
    11.7 (EER2)
    Below the middle
    48.8score / 100Heating 38 · Cooling 60
  2. 2M5THS1924A11NAAwith ductless indoor unit M5MHWUN24A1N0AATrane (sold as RunTru)Also listed as M5THS1924A11NA2 tons · 23,000 Btu/h · DuctlessCold-climate pick, score 37.7Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Below the middle
    Cooling efficiency
    19.0 (SEER2)
    Below the middle
    Hot-day cooling
    11.7 (EER2)
    Below the middle
    34.8score / 100Heating 38 · Cooling 32

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

Next steps

The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.

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