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Lennox heat pumps: how do their ratings compare?

A typical Lennox heat pump beats 56% of similar heat pumps (same size and type), which is above average. Lennox has 313 heat pump models in this list, also sold as Allied Commercial, AirEase, Allied, Armstrong Air, Comfort-Aire and 2 more names.

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

Overall score

56%

of similar heat pumps beaten by its typical model

Above average

Ranked 13 among brands with a QMID on file. Based on 281 models with every rating.

Lennox, rating by ratingStrongest on efficiency on a 5°f day (beats 58%), weakest on heating power kept at 5°f (beats 48%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 58%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 48%
  • Winter-long heating efficiencyHSPF2Beats 49%
  • Summer-long cooling efficiencySEER2Beats 49%
  • Hot-day cooling efficiencyEER2Beats 54%

Average (50%)

Each bar: the share of similar heat pumps a typical model beats on that rating.

Want Lennox’s ranks and its models inside every size class? Switch to Advanced

Rebate standards

Share of this brand’s models that meet the efficiency levels rebate programs use. Programs can have other rules too.

  • 46%

    meet CEE 2025 Tier 1, the level many utility rebates use.

    144 models. All brands: 48%.

    See them

  • 29%

    meet Xcel Energy Colorado’s cold-climate rebate levels.

    92 models. All brands: 38%.

    See them

  • 1%

    reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.

    3 models. All brands: 1%.

    See them

Lennox all-around best, by size

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?

47 of Lennox’s 69 models of this size and type have all five ratings.

  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
  4. 4VPC036H4M-3PDLennox3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 77.1Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    99% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.99 (COP at 5°F)
    Good
    Winter efficiency
    9.2 (HSPF2)
    Good
    Cooling efficiency
    17.7 (SEER2)
    Great
    Hot-day cooling
    11.7 (EER2)
    Good
    75.7score / 100Heating 77 · Cooling 74
  5. 5MLB030S4M-1PLennoxAlso sold as Comfort-Aire A-VMH28TV-12.5 tons · 28,000 Btu/h · DuctedCold-climate pick, score 66.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    20.0 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    74.6score / 100Heating 67 · Cooling 83

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

What to do next

The advanced view has Lennox’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

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