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Friedrich vs Lennox: heat pump ratings compared

Against heat pumps of the same size and type, a typical Friedrich model beats 39% and a typical Lennox model 48%. Lennox rates higher overall.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

Friedrich

39%

of similar heat pumps beaten by its typical model

Well below average

188 models listed

Lennox

48%

of similar heat pumps beaten by its typical model

About average

331 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°FFriedrich: Beats 46%Lennox: Beats 46%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FFriedrich: Beats 36%Lennox: Beats 43%
  • Winter-long heating efficiencyHSPF2Friedrich: Beats 31%Lennox: Beats 44%
  • Summer-long cooling efficiencySEER2Friedrich: Beats 34%Lennox: Beats 45%
  • Hot-day cooling efficiencyEER2Friedrich: Beats 37%Lennox: Beats 57%

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

    Friedrich
    27%
    Lennox
    44%
  • Xcel CC

    Friedrich
    21%
    Lennox
    36%
  • CEE Advanced

    Friedrich
    1%
    Lennox
    3%
  • ENERGY STAR CC

    Friedrich
    22%
    Lennox
    30%

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.

Friedrich

  1. 1FPHFR24A3Dwith ductless indoor unit FPHFC24A3DFriedrich2 tons · 24,000 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)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    76.3score / 100
  2. 2FPHSR24A3Bwith ductless indoor unit FAHFW24A3AFriedrichAlso listed as FPHSR24A3D2 tons · 24,000 Btu/h · DuctlessKeeps 83% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    83% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    9.5 (HSPF2)
    Below the middle
    54.8score / 100
  3. 3FSHSR24B3Bwith ductless indoor unit FAHFW24A3AFriedrichAlso listed as FSHSR24B3D2 tons · 24,000 Btu/h · DuctlessKeeps 77% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    77% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.5 (HSPF2)
    Below the middle
    34.2score / 100

Lennox

  1. 1A-VHP24SA-1with ductless indoor unit B-VHP24CA-1Lennox (sold as Comfort Aire)2 tons · 23,400 Btu/h · DuctlessKeeps 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)
    Great
    Efficiency at 5°F
    2.23 (COP at 5°F)
    Great
    Seasonal efficiency
    11.6 (HSPF2)
    Top 10%
    89.4score / 100
  2. 2A-KZP24SA-1with ductless indoor unit B-KZP24SA-1Lennox (sold as Comfort Aire)2 tons · 24,000 Btu/h · DuctlessKeeps 83% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    83% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Seasonal efficiency
    11.0 (HSPF2)
    Great
    81.2score / 100
  3. 3MMLD020S6M-1PLennox2 tons · 21,000 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)
    Top 10%
    Efficiency at 5°F
    1.95 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    71.3score / 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.

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