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Mitsubishi Electric heat pumps: how do their ratings compare?

A typical Mitsubishi Electric heat pump beats 60% of similar heat pumps (same size and type), which is well above average. Mitsubishi Electric has 156 heat pump models in this list.

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

Overall score

60%

of similar heat pumps beaten by its typical model

Well above average

Ranked 6 among brands with a QMID on file. Based on 217 models with every rating.

Mitsubishi Electric, rating by ratingStrongest on winter-long heating efficiency (beats 66%), weakest on heating power kept at 5°f (beats 54%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 55%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 54%
  • Winter-long heating efficiencyHSPF2Beats 66%
  • Summer-long cooling efficiencySEER2Beats 63%
  • Hot-day cooling efficiencyEER2Beats 60%

Average (50%)

Each bar: the share of similar heat pumps a typical model beats on that rating.

Want Mitsubishi Electric’s ranks and its models inside every size class? Switch to Advanced

Rebate standards

Share of this brand’s models that meet the efficiency levels rebate programs use. Programs can have other rules too.

  • 81%

    meet CEE 2025 Tier 1, the level many utility rebates use.

    126 models. All brands: 57%.

    See them

  • 67%

    meet Xcel Energy Colorado’s cold-climate rebate levels.

    104 models. All brands: 53%.

    See them

  • 10%

    reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.

    15 models. All brands: 3%.

    See them

Top Mitsubishi Electric cold-climate picks, by size

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

43 of Mitsubishi Electric’s 60 models of this size and type qualify.

  1. 1MUZ-FX06NLHZ***with ductless indoor unit MSZ-FX06NLMitsubishi ElectricAlso listed as MUZ-FX06NLHZ20.5 tons · 6,000 Btu/h · DuctlessKeeps 140% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    140% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.38 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    13.0 (HSPF2)
    Top 10%
    97.5score / 100
  2. 2MUZ-FX09NLHZ***with ductless indoor unit MSZ-FX09NLMitsubishi ElectricAlso listed as MUZ-FX09NLHZ21 ton · 9,000 Btu/h · DuctlessKeeps 123% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    123% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Seasonal efficiency
    13.3 (HSPF2)
    Top 10%
    93.7score / 100
  3. 3MUZ-FX12NLHZ***with ductless indoor unit MSZ-FX12NLMitsubishi ElectricAlso listed as MUZ-FX12NLHZ21 ton · 12,000 Btu/h · DuctlessKeeps 123% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    123% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Seasonal efficiency
    12.4 (HSPF2)
    Top 10%
    92.9score / 100
  4. 4MUZ-FX15NLHZ***with ductless indoor unit MSZ-FX15NLMitsubishi ElectricAlso listed as MUZ-FX15NLHZ21.5 tons · 15,000 Btu/h · DuctlessKeeps 135% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    135% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.14 (COP at 5°F)
    Great
    Seasonal efficiency
    11.0 (HSPF2)
    Great
    88.7score / 100
  5. 5MUZ-FX18NLHZ***with ductless indoor unit MSZ-FX18NLMitsubishi ElectricAlso listed as MUZ-FX18NLHZ21.5 tons · 17,200 Btu/h · DuctlessKeeps 139% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    139% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.06 (COP at 5°F)
    Good
    Seasonal efficiency
    11.1 (HSPF2)
    Great
    86.2score / 100

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

What to do next

The advanced view has Mitsubishi Electric’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

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