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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%

All-around best, ductless 3.5–4.5 tons

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

Showing Ductless, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

Lennox

  1. 1A-VHP486A-1Lennox (sold as Comfort-Aire)4 tons · 47,000 Btu/h · DuctlessCold-climate pick, score 73.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    96% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Below the middle
    Winter efficiency
    11.0 (HSPF2)
    Top 10%
    Cooling efficiency
    23.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Good
    75.6score / 100Heating 72 · Cooling 79
  2. 2VPD048S6M-5PLennox4 tons · 48,000 Btu/h · DuctlessCold-climate pick, score 57.0Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.02 (COP at 5°F)
    Good
    Winter efficiency
    10.5 (HSPF2)
    Good
    Cooling efficiency
    21.3 (SEER2)
    Good
    Hot-day cooling
    12.4 (EER2)
    Great
    66.3score / 100Heating 57 · Cooling 76
  3. 3A-VHP556A-1Lennox (sold as Comfort-Aire)4.5 tons · 51,000 Btu/h · DuctlessCold-climate pick, score 66.0Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    85% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.5 (HSPF2)
    Good
    Cooling efficiency
    22.2 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Good
    63.6score / 100Heating 53 · Cooling 74

Mitsubishi Electric

  1. 1MXZ-SM48NLHZ***Mitsubishi ElectricAlso listed as PUMY-HL48NKMU, MXZ-SM48NLHZ-4 tons · 48,000 Btu/h · DuctlessCold-climate pick, score 78.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Below the middle
    Winter efficiency
    11.5 (HSPF2)
    Top 10%
    Cooling efficiency
    23.0 (SEER2)
    Great
    Hot-day cooling
    13.1 (EER2)
    Top 10%
    85.9score / 100Heating 78 · Cooling 93
  2. 2MXZ-SM42NLHZ***Mitsubishi ElectricAlso listed as PUMY-HL42NKMU, MXZ-SM42NLHZ-3.5 tons · 42,000 Btu/h · DuctlessCold-climate pick, score 77.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Below the middle
    Winter efficiency
    11.1 (HSPF2)
    Top 10%
    Cooling efficiency
    21.5 (SEER2)
    Good
    Hot-day cooling
    13.4 (EER2)
    Top 10%
    79.9score / 100Heating 78 · Cooling 82
  3. 3MXZ-SM48NL***Mitsubishi ElectricAlso listed as PUMY-L48NKMU, MXZ-SM48NL-4 tons · 48,000 Btu/h · DuctlessCold-climate pick, score 52.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Winter efficiency
    10.4 (HSPF2)
    Good
    Cooling efficiency
    23.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Good
    65.8score / 100Heating 53 · Cooling 79

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.

Open the advanced view