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Mitsubishi Electric vs Rheem: heat pump ratings compared

Against heat pumps of the same size and type, a typical Mitsubishi Electric model beats 60% and a typical Rheem model 49%. Mitsubishi Electric rates higher overall.

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

Mitsubishi Electric

60%

of similar heat pumps beaten by its typical model

Well above average

156 models listed

Rheem

49%

of similar heat pumps beaten by its typical model

About average

341 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°FMitsubishi Electric: Beats 55%Rheem: Beats 59%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FMitsubishi Electric: Beats 54%Rheem: Beats 48%
  • Winter-long heating efficiencyHSPF2Mitsubishi Electric: Beats 66%Rheem: Beats 43%
  • Summer-long cooling efficiencySEER2Mitsubishi Electric: Beats 63%Rheem: Beats 42%
  • Hot-day cooling efficiencyEER2Mitsubishi Electric: Beats 60%Rheem: Beats 40%

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

    Mitsubishi Electric
    81%
    Rheem
    36%

  • Xcel CC

    Mitsubishi Electric
    67%
    Rheem
    34%

  • CEE Advanced

    Mitsubishi Electric
    10%
    Rheem
    2%

  • ENERGY STAR CC

    Mitsubishi Electric
    66%
    Rheem
    33%

All-around best, ductless 2.5–3 tons

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

Showing Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

Mitsubishi Electric

  1. 1PUZ-AK30NLHZ2***with ductless indoor unit PLA-AE30NLMitsubishi Electric2.5 tons · 30,000 Btu/h · DuctlessCold-climate pick, score 93.8Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.30 (COP at 5°F)
    Top 10%
    Winter efficiency
    11.0 (HSPF2)
    Top 10%
    Cooling efficiency
    23.8 (SEER2)
    Great
    Hot-day cooling
    14.0 (EER2)
    Top 10%
    92.8score / 100Heating 94 · Cooling 92
  2. 2PUZ-AK36NLHZ2***with ductless indoor unit PLA-AE36NLMitsubishi Electric3 tons · 36,000 Btu/h · DuctlessCold-climate pick, score 84.5Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    23.3 (SEER2)
    Great
    Hot-day cooling
    13.7 (EER2)
    Top 10%
    87.6score / 100Heating 85 · Cooling 91
  3. 3PUZ-AK30NLHZ***with ductless indoor unit PLA-AE30NLMitsubishi Electric2.5 tons · 30,000 Btu/h · DuctlessCold-climate pick, score 78.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    94% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.30 (COP at 5°F)
    Top 10%
    Winter efficiency
    10.1 (HSPF2)
    Good
    Cooling efficiency
    23.8 (SEER2)
    Great
    Hot-day cooling
    14.0 (EER2)
    Top 10%
    85.3score / 100Heating 79 · Cooling 92

Rheem

  1. 1ML36HP230MULH-O*Rheem (sold as Mainline)Also listed as ML36HP230MULH - O3 tons · 36,000 Btu/h · DuctlessCold-climate pick, score 78.0Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.7 (HSPF2)
    Great
    Cooling efficiency
    23.0 (SEER2)
    Great
    Hot-day cooling
    13.0 (EER2)
    Great
    78.3score / 100Heating 76 · Cooling 81
  2. 2ML27HP230MULH-O*Rheem (sold as Mainline)Also listed as ML27HP230MULH - O2.5 tons · 27,000 Btu/h · DuctlessCold-climate pick, score 72.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    23.0 (SEER2)
    Great
    Hot-day cooling
    12.5 (EER2)
    Great
    74.4score / 100Heating 73 · Cooling 76
  3. 3ML27HP230MUL-O*Rheem (sold as Mainline)Also listed as ML27HP230MUL - O2.5 tons · 27,000 Btu/h · DuctlessCold-climate pick, score 41.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    9.5 (HSPF2)
    Below the middle
    Cooling efficiency
    25.0 (SEER2)
    Top 10%
    Hot-day cooling
    13.0 (EER2)
    Great
    66.3score / 100Heating 41 · Cooling 91

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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