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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%

Top cold-climate picks, ducted up to 1.5 tons

Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.

Showing Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

Mitsubishi Electric

  1. 1SUZ-AA15NLHZ***with ducted air handler PEAD-AA15NLMitsubishi Electric1.5 tons · 15,000 Btu/h · DuctedKeeps 100% of its heat at 5°FMeets 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)
    Top 10%
    Efficiency at 5°F
    2.18 (COP at 5°F)
    Great
    Seasonal efficiency
    10.2 (HSPF2)
    Great
    85.6score / 100
  2. 2SUZ-AA18NLHZ***with ducted air handler SEZ-AD18NLMitsubishi Electric1.5 tons · 18,000 Btu/h · DuctedKeeps 111% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    111% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    83.2score / 100
  3. 3SUZ-AA12NLHZ***with ducted air handler SVZ-AP12NLMitsubishi Electric1 ton · 12,000 Btu/h · DuctedKeeps 100% of its heat at 5°FMeets 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)
    Top 10%
    Efficiency at 5°F
    2.12 (COP at 5°F)
    Great
    Seasonal efficiency
    9.3 (HSPF2)
    Good
    75.5score / 100

Rheem

  1. 1ML06HP230NEXH-Owith ducted air handler ML06HP230LSDUC-IRheem (sold as Mainline)0.5 tons · 6,500 Btu/h · DuctedKeeps 98% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    98% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.41 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    13.8 (HSPF2)
    Top 10%
    93.5score / 100
  2. 2RD18AY24AJVCwith indoor coil D(A,C,E)36A3J+TDR and furnace R951V0403A17UHRheem1.5 tons · 20,200 Btu/h · DuctedKeeps 116% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    116% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.60 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    91.6score / 100
  3. 3ML18HP230LMNTH-Owith ducted air handler ML18HP230WMAHU-IRheem (sold as Mainline)1.5 tons · 18,000 Btu/h · DuctedKeeps 103% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    103% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Seasonal efficiency
    10.8 (HSPF2)
    Top 10%
    86.7score / 100

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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