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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 56% and a typical Mitsubishi Electric model 65%. Mitsubishi Electric rates higher overall.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

Lennox

56%

of similar heat pumps beaten by its typical model

Above average

313 models listed

Mitsubishi Electric

65%

of similar heat pumps beaten by its typical model

Well above average

373 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 58%Mitsubishi Electric: Beats 67%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FLennox: Beats 48%Mitsubishi Electric: Beats 55%
  • Winter-long heating efficiencyHSPF2Lennox: Beats 49%Mitsubishi Electric: Beats 72%
  • Summer-long cooling efficiencySEER2Lennox: Beats 49%Mitsubishi Electric: Beats 63%
  • Hot-day cooling efficiencyEER2Lennox: Beats 54%Mitsubishi Electric: Beats 65%

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
    46%
    Mitsubishi Electric
    68%

  • Xcel CC

    Lennox
    29%
    Mitsubishi Electric
    54%

  • CEE Advanced

    Lennox
    1%
    Mitsubishi Electric
    6%

  • ENERGY STAR CC

    Lennox
    20%
    Mitsubishi Electric
    37%

Top cold-climate picks, ductless 2 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 Ductless, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

Lennox

  1. 1MLB024S4S-1Pwith ductless indoor unit M33C024S4-1PLennoxAlso sold as Comfort-Aire A-VMH24SV-12 tons · 24,000 Btu/h · DuctlessKeeps 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
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    11.5 (HSPF2)
    Top 10%
    86.1score / 100
  2. 2A-VMH24SU-1with ductless indoor unit B-VMH24SV-1Lennox (sold as Comfort-Aire)Also listed as A-KMH24SU-12 tons · 24,000 Btu/h · DuctlessKeeps 86% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    86% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.21 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    11.4 (HSPF2)
    Top 10%
    84.5score / 100
  3. 3A-VMH24SU-1Awith ductless indoor unit B-VMH24SU-1ALennox (sold as Comfort-Aire)Also listed as A-KMH24SV-12 tons · 21,600 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets 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
    2.07 (COP at 5°F)
    Good
    Seasonal efficiency
    10.4 (HSPF2)
    Great
    82.7score / 100

Mitsubishi Electric

  1. 1MXZ-3C24NAHZ4-**Mitsubishi ElectricAlso sold as American Standard / Mitsubishi Electric NTXMPH24A132C2 tons · 22,000 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets 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
    1.95 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    74.6score / 100
  2. 2TRUZH0241HA10**with ductless indoor unit PLA-A24EAMitsubishi Electric (sold as Trane / Mitsubishi Electric)2 tons · 24,000 Btu/h · DuctlessKeeps 93% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    93% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.92 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    71.6score / 100
  3. 3TRUZH0241HA10NAwith ductless indoor unit TPLA0A0241EAMitsubishi Electric (sold as Trane / Mitsubishi Electric)2 tons · 24,000 Btu/h · DuctlessKeeps 93% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    93% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.92 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    71.5score / 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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