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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, 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.

Friedrich

  1. 1RD18AY36AJVCwith indoor coil RCFY3621MTANM and furnace FR801V0504A17UHNFriedrich2.5 tons · 32,200 Btu/h · DuctedKeeps 87% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    87% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    78.1score / 100
  2. 2FRP17AY36AJVCwith indoor coil RCFY3617STANM and furnace FR801V0504A17UHUFriedrich3 tons · 34,000 Btu/h · DuctedKeeps 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
    9.5 (HSPF2)
    Great
    71.3score / 100
  3. 3FPHFR36A3Dwith ducted air handler FPHSD36A3DFriedrich3 tons · 33,000 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)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    71.2score / 100

Lennox

  1. 1SL22KLV-036-230A**with ducted air handler CBK48MVT-060-230-Lennox3 tons · 35,200 Btu/h · DuctedKeeps 102% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    102% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.42 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.5 (HSPF2)
    Top 10%
    93.4score / 100
  2. 2A-VHP365A-1Lennox (sold as Comfort-Aire)3 tons · 36,000 Btu/h · DuctedKeeps 106% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    106% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.4 (HSPF2)
    Top 10%
    82.5score / 100
  3. 3A-VXP30SA-1with ducted air handler WXP30SALennox (sold as Comfort Aire)2.5 tons · 30,000 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)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.2 (HSPF2)
    Great
    78.4score / 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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