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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 46% 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

Friedrich

46%

of similar heat pumps beaten by its typical model

About average

117 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°FFriedrich: Beats 58%Lennox: Beats 58%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FFriedrich: Beats 45%Lennox: Beats 48%
  • Winter-long heating efficiencyHSPF2Friedrich: Beats 31%Lennox: Beats 49%
  • Summer-long cooling efficiencySEER2Friedrich: Beats 36%Lennox: Beats 49%
  • Hot-day cooling efficiencyEER2Friedrich: Beats 39%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

    Friedrich
    38%
    Lennox
    46%

  • Xcel CC

    Friedrich
    32%
    Lennox
    29%

  • CEE Advanced

    Friedrich
    2%
    Lennox
    1%

  • ENERGY STAR CC

    Friedrich
    28%
    Lennox
    20%

All-around best, ducted 2.5–3 tons

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating 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?

Friedrich

  1. 1FRP18AZ36AJVCwith ducted air handler FRHMVZ6021SEACAFriedrich3 tons · 34,200 Btu/h · DuctedCold-climate pick, score 80.6Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    113% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Winter efficiency
    8.5 (HSPF2)
    Good
    Cooling efficiency
    20.0 (SEER2)
    Top 10%
    Hot-day cooling
    12.5 (EER2)
    Top 10%
    86.1score / 100Heating 78 · Cooling 94
  2. 2FPHMR36A3AFriedrich2.5 tons · 32,000 Btu/h · DuctedCold-climate pick, score 69.2Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    113% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.84 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.9 (HSPF2)
    Good
    Cooling efficiency
    19.5 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Great
    78.6score / 100Heating 69 · Cooling 88
  3. 3RD17AZ36AJ3Nwith ducted air handler FRH2VZ3621MTANAFriedrich3 tons · 34,200 Btu/h · DuctedCold-climate pick, score 64.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    53% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.30 (COP at 5°F)
    Great
    Winter efficiency
    8.5 (HSPF2)
    Good
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Great
    70.9score / 100Heating 56 · Cooling 86

Lennox

  1. 1A-VMH36QV-1ALennox (sold as Comfort-Aire)3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 79.9Meets 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
    Winter efficiency
    10.0 (HSPF2)
    Top 10%
    Cooling efficiency
    19.4 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Great
    83.7score / 100Heating 80 · Cooling 88
  2. 2SL25XPV-036-230A**with indoor coil CRX35-50/60C-**-*+TDR and furnace SLP99DF090XV36CLennox3 tons · 34,200 Btu/h · DuctedCold-climate pick, score 65.1Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.86 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.4 (HSPF2)
    Great
    Cooling efficiency
    22.0 (SEER2)
    Top 10%
    Hot-day cooling
    13.5 (EER2)
    Top 10%
    82.5score / 100Heating 65 · Cooling 100
  3. 34SHP22LX136P-**Awith indoor coil C(A,C,D,E)48C34+TDR and furnace A97US2V080C16XLennox (sold as Armstrong Air)3 tons · 33,400 Btu/h · DuctedNot a cold-climate pick: keeps 66% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    66% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.69 (COP at 5°F)
    Top 10%
    Winter efficiency
    9.0 (HSPF2)
    Good
    Cooling efficiency
    20.0 (SEER2)
    Top 10%
    Hot-day cooling
    12.0 (EER2)
    Great
    80.8score / 100Heating 72 · Cooling 90

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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