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Lennox vs Mitsubishi Electric: heat pump ratings compared

Against heat pumps of the same size and type, a typical Lennox model beats 48% and a typical Mitsubishi Electric model 60%. Mitsubishi Electric rates higher overall.

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

Lennox

48%

of similar heat pumps beaten by its typical model

About average

331 models listed

Mitsubishi Electric

60%

of similar heat pumps beaten by its typical model

Well above average

156 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°FLennox: Beats 46%Mitsubishi Electric: Beats 55%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FLennox: Beats 43%Mitsubishi Electric: Beats 54%
  • Winter-long heating efficiencyHSPF2Lennox: Beats 44%Mitsubishi Electric: Beats 66%
  • Summer-long cooling efficiencySEER2Lennox: Beats 45%Mitsubishi Electric: Beats 63%
  • Hot-day cooling efficiencyEER2Lennox: Beats 57%Mitsubishi Electric: Beats 60%

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

    Lennox
    44%
    Mitsubishi Electric
    81%
  • Xcel CC

    Lennox
    36%
    Mitsubishi Electric
    67%
  • CEE Advanced

    Lennox
    3%
    Mitsubishi Electric
    10%
  • ENERGY STAR CC

    Lennox
    30%
    Mitsubishi Electric
    66%

Top cold-climate picks, ductless 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.

Lennox

  1. 1A-VHP06SA-1with ductless indoor unit B-VHP06SA-1Lennox (sold as Comfort-Aire)0.5 tons · 6,000 Btu/h · DuctlessKeeps 110% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    110% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.40 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    14.8 (HSPF2)
    Top 10%
    96.7score / 100
  2. 2MWLD015S6S-1Pwith ductless indoor unit MWMD015S6-1PLennoxAlso listed as MWPD015S6S-1P1.5 tons · 15,000 Btu/h · DuctlessKeeps 104% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    104% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.50 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    11.0 (HSPF2)
    Great
    92.1score / 100
  3. 3A-ZHP06SA-1with ductless indoor unit B-ZHP06SA-1Lennox (sold as Comfort-Aire)0.5 tons · 6,000 Btu/h · DuctlessKeeps 150% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    150% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    15.6 (HSPF2)
    Top 10%
    87.6score / 100

Mitsubishi Electric

  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

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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