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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 48% and a typical Trane model 50%. Trane rates slightly 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

Trane

50%

of similar heat pumps beaten by its typical model

About average

363 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%Trane: Beats 68%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FLennox: Beats 43%Trane: Beats 43%
  • Winter-long heating efficiencyHSPF2Lennox: Beats 44%Trane: Beats 36%
  • Summer-long cooling efficiencySEER2Lennox: Beats 45%Trane: Beats 40%
  • Hot-day cooling efficiencyEER2Lennox: Beats 57%Trane: Beats 66%

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%
    Trane
    39%

  • Xcel CC

    Lennox
    36%
    Trane
    26%

  • CEE Advanced

    Lennox
    3%
    Trane
    3%

  • ENERGY STAR CC

    Lennox
    30%
    Trane
    18%

All-around best, ducted 3.5–4.5 tons

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

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

Lennox

  1. 1SL22KLV-048-230A**with indoor coil CK40[C,U]T-60C-**+TDR and furnace SL280UH080NV60CLennox4 tons · 46,000 Btu/h · DuctedCold-climate pick, score 84.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    98% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.02 (COP at 5°F)
    Good
    Winter efficiency
    9.4 (HSPF2)
    Great
    Cooling efficiency
    20.5 (SEER2)
    Top 10%
    Hot-day cooling
    12.4 (EER2)
    Top 10%
    86.7score / 100Heating 76 · Cooling 97
  2. 2EL21KLV-048-230A**with indoor coil CK40[C,U]T-60C-**+TDR and furnace EL280UH110E48CLennoxAlso sold as Armstrong Air A7CP21V48P-**A4 tons · 47,500 Btu/h · DuctedCold-climate pick, score 73.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    73% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.14 (COP at 5°F)
    Great
    Winter efficiency
    9.6 (HSPF2)
    Great
    Cooling efficiency
    20.5 (SEER2)
    Top 10%
    Hot-day cooling
    12.2 (EER2)
    Top 10%
    84.1score / 100Heating 72 · Cooling 97
  3. 3A-VHP486A-1Lennox (sold as Comfort-Aire)4 tons · 47,000 Btu/h · DuctedCold-climate pick, score 82.7Meets 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)
    Good
    Winter efficiency
    11.0 (HSPF2)
    Top 10%
    Cooling efficiency
    20.4 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    83.9score / 100Heating 83 · Cooling 85

Trane

  1. 15TWV0X48A1with indoor coil D(A,C,E)60B4J+TDR and furnace L8V1C100U5VSB+LRPTrane3.5 tons · 42,500 Btu/h · DuctedCold-climate pick, score 93.0Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    107% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.74 (COP at 5°F)
    Top 10%
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    20.4 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    88.9score / 100Heating 93 · Cooling 85
  2. 25A6V0X48A1with indoor coil DH60T4J and furnace S8V2D120M5PCBTrane (sold as American Standard)3.5 tons · 44,500 Btu/h · DuctedCold-climate pick, score 79.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Winter efficiency
    10.0 (HSPF2)
    Great
    Cooling efficiency
    20.4 (SEER2)
    Top 10%
    Hot-day cooling
    12.0 (EER2)
    Great
    86.0score / 100Heating 80 · Cooling 92
  3. 35TCV0X61A1with ducted air handler 5TEMCD07BV51+TDRTraneAlso sold as American Standard 5A5V0X61A14 tons · 48,000 Btu/h · DuctedCold-climate pick, score 88.3Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.22 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Great
    Cooling efficiency
    18.0 (SEER2)
    Great
    Hot-day cooling
    11.5 (EER2)
    Good
    79.3score / 100Heating 88 · Cooling 70

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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