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Carrier vs Lennox: heat pump ratings compared

Against heat pumps of the same size and type, a typical Carrier model beats 47% and a typical Lennox model 56%. Lennox rates higher overall.

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

Carrier

47%

of similar heat pumps beaten by its typical model

About average

701 models listed

Lennox

56%

of similar heat pumps beaten by its typical model

Above average

313 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°FCarrier: Beats 58%Lennox: Beats 58%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCarrier: Beats 32%Lennox: Beats 48%
  • Winter-long heating efficiencyHSPF2Carrier: Beats 38%Lennox: Beats 49%
  • Summer-long cooling efficiencySEER2Carrier: Beats 45%Lennox: Beats 49%
  • Hot-day cooling efficiencyEER2Carrier: Beats 59%Lennox: Beats 54%

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

    Carrier
    29%
    Lennox
    46%

  • Xcel CC

    Carrier
    17%
    Lennox
    29%

  • CEE Advanced

    Carrier
    2%
    Lennox
    1%

  • ENERGY STAR CC

    Carrier
    9%
    Lennox
    20%

Top cold-climate picks, ductless 3.5–4.5 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.

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

Carrier

  1. 1MCY-MAP0487HS-UL*Carrier (sold as Toshiba Carrier)4 tons · 48,000 Btu/h · DuctlessKeeps 79% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    79% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.60 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.3 (HSPF2)
    Great
    82.0score / 100
  2. 2DLCMHBH48EAKCarrier (sold as Arcoaire)4 tons · 48,000 Btu/h · DuctlessKeeps 92% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    92% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    80.5score / 100
  3. 3RAV-SP422AT2P-ULwith ductless indoor unit RAV-SM422CTP-ULCarrier (sold as Toshiba Carrier)3.5 tons · 42,000 Btu/h · DuctlessKeeps 71% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.15 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.7 (HSPF2)
    Top 10%
    79.0score / 100

Lennox

  1. 1MLB048S4S-2Pwith ductless indoor unit M33C048S4-*PLennox4 tons · 48,000 Btu/h · DuctlessKeeps 94% of its heat at 5°FMeets ENERGY STAR CC
    Heat kept at 5°F
    94% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.98 (COP at 5°F)
    Good
    Seasonal efficiency
    10.7 (HSPF2)
    Top 10%
    81.3score / 100
  2. 2MLB048S4M-2PLennoxAlso sold as Comfort-Aire A-VMH48PV-1, Allied 4DHP2S48M-1P4 tons · 48,000 Btu/h · DuctlessKeeps 92% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    92% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    9.8 (HSPF2)
    Good
    76.2score / 100
  3. 3LISH048000P431-Dwith ductless indoor unit LIUH048180P431-CLennox4 tons · 48,000 Btu/h · DuctlessKeeps 70% of its heat at 5°FMeets Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.85 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    56.3score / 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.

Open the advanced view