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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

Top Lennox cold-climate picks, by size

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 Ducted, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

17 of Lennox’s 34 models of this size and type qualify.

  1. 1MPC024S4S-1Pwith ducted air handler MMDB024S4-*PLennoxAlso sold as AirEase 4DHP2S24S-1P2 tons · 23,000 Btu/h · DuctedKeeps 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
    2.28 (COP at 5°F)
    Great
    Seasonal efficiency
    11.0 (HSPF2)
    Top 10%
    81.1score / 100
  2. 2MLB024S4S-1Pwith ducted air handler MMDB024S4-*PLennox2 tons · 23,800 Btu/h · DuctedKeeps 110% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    110% (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)
    Top 10%
    80.7score / 100
  3. 3LISH024000P431-Dwith ducted air handler LIFHC024180P431-CLennox2 tons · 23,000 Btu/h · DuctedKeeps 80% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    80% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.30 (COP at 5°F)
    Great
    Seasonal efficiency
    11.2 (HSPF2)
    Top 10%
    80.3score / 100
  4. 4A-VMH24SV-1with ducted air handler B-VMH24DU-1Lennox (sold as Comfort-Aire)2 tons · 24,000 Btu/h · DuctedKeeps 108% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    108% (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)
    Top 10%
    79.4score / 100
  5. 5EL22XPV-024-230A**with ducted air handler CBK47UHET-030-230-0LennoxAlso sold as Armstrong Air 4SHP22LX124P-**A2 tons · 24,200 Btu/h · DuctedKeeps 72% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.34 (COP at 5°F)
    Great
    Seasonal efficiency
    9.5 (HSPF2)
    Great
    68.7score / 100

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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