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Lennox vs Trane: heat pump ratings compared

Against heat pumps of the same size and type, a typical Lennox model beats 56% and a typical Trane model 52%. Lennox rates slightly 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

Trane

52%

of similar heat pumps beaten by its typical model

About average

309 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%Trane: Beats 69%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FLennox: Beats 48%Trane: Beats 43%
  • Winter-long heating efficiencyHSPF2Lennox: Beats 49%Trane: Beats 35%
  • Summer-long cooling efficiencySEER2Lennox: Beats 49%Trane: Beats 36%
  • Hot-day cooling efficiencyEER2Lennox: Beats 54%Trane: 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%
    Trane
    31%

  • Xcel CC

    Lennox
    29%
    Trane
    22%

  • CEE Advanced

    Lennox
    1%
    Trane
    0%

  • ENERGY STAR CC

    Lennox
    20%
    Trane
    10%

Top cold-climate picks, ducted 2.5–3 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, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?

Lennox

  1. 1MLB036S4S-1Pwith ducted air handler MMDB036S4-2PLennoxAlso listed as MLB036S4S-2P3 tons · 36,000 Btu/h · DuctedKeeps 90% of its heat at 5°FMeets ENERGY STAR CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.98 (COP at 5°F)
    Good
    Seasonal efficiency
    11.0 (HSPF2)
    Top 10%
    83.4score / 100
  2. 2A-VMH36QV-1ALennox (sold as Comfort-Aire)3 tons · 36,000 Btu/h · DuctedKeeps 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)
    Top 10%
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Top 10%
    79.9score / 100
  3. 3A-VCD36SA-1with ducted air handler MCD30/36C1ALennox (sold as Comfort-Aire)3 tons · 35,000 Btu/h · DuctedKeeps 82% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    82% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Top 10%
    78.6score / 100

Trane

  1. 14TWV0X36A1with indoor coil D(A,C,E)48C34+TDR and furnace S9V2C080U5PSC+RPTrane3 tons · 33,400 Btu/h · DuctedKeeps 95% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    95% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.59 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    8.7 (HSPF2)
    Good
    82.2score / 100
  2. 24TWV8X36A1with indoor coil D(A,C,E)48C34+TDR and furnace S9V2C080U5PSC+RPTrane3 tons · 33,200 Btu/h · DuctedKeeps 90% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.22 (COP at 5°F)
    Great
    Seasonal efficiency
    8.0 (HSPF2)
    Below the middle
    72.5score / 100
  3. 3A4HP4036D1with ducted air handler CM48B44+TDRTrane (sold as Runtru)2.5 tons · 32,800 Btu/h · DuctedKeeps 86% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    86% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.71 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    7.6 (HSPF2)
    Below the middle
    68.7score / 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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