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AUX vs Lennox: heat pump ratings compared

Against heat pumps of the same size and type, a typical AUX model beats 49% and a typical Lennox model 48%. AUX rates slightly higher overall.

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

AUX

49%

of similar heat pumps beaten by its typical model

About average

189 models listed

Lennox

48%

of similar heat pumps beaten by its typical model

About average

337 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°FAUX: Beats 60%Lennox: Beats 46%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAUX: Beats 51%Lennox: Beats 44%
  • Winter-long heating efficiencyHSPF2AUX: Beats 40%Lennox: Beats 44%
  • Summer-long cooling efficiencySEER2AUX: Beats 48%Lennox: Beats 45%
  • Hot-day cooling efficiencyEER2AUX: Beats 39%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

    AUX
    68%
    Lennox
    44%

  • Xcel CC

    AUX
    66%
    Lennox
    36%

  • CEE Advanced

    AUX
    1%
    Lennox
    3%

  • ENERGY STAR CC

    AUX
    35%
    Lennox
    30%

All-around best, ducted 5 tons and up

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.

Showing Ducted, 5 tons and up (57,000 Btu/h and up cooling). What size is my system?

AUX

No ducted, 5 tons and up model from AUX.

Lennox

  1. 1VPD060H6M-5PLennox5 tons · 60,000 Btu/h · DuctedCold-climate pick, score 84.3Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    85% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.04 (COP at 5°F)
    Good
    Winter efficiency
    10.5 (HSPF2)
    Top 10%
    Cooling efficiency
    19.0 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    84.7score / 100Heating 84 · Cooling 85
  2. 2SHH060U5E**GLennoxAlso listed as SHH060U5E**J, SDH060U5E**G, SDH060U5E**J5 tons · 57,000 Btu/h · DuctedNot a cold-climate pick: keeps 55% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    55% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Winter efficiency
    7.6 (HSPF2)
    Good
    Cooling efficiency
    17.0 (SEER2)
    Great
    Hot-day cooling
    11.2 (EER2)
    Good
    67.5score / 100Heating 68 · Cooling 67
  3. 3ML14KP1-060-230A**with ducted air handler CBK45UHVT-060-230-LennoxAlso sold as Allied 7HP14F60P-**A, Armstrong Air A7HP14F60P-**A, Comfort-Aire HSA1460S1-**A; also listed as EL16KP1-060-230A, ML14KP1-060-233A, ML14KP1-060-463A5 tons · 57,000 Btu/h · DuctedNot a cold-climate pick: keeps 62% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    54% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.24 (COP at 5°F)
    Top 10%
    Winter efficiency
    8.1 (HSPF2)
    Good
    Cooling efficiency
    14.7 (SEER2)
    Below the middle
    Hot-day cooling
    12.2 (EER2)
    Top 10%
    67.3score / 100Heating 71 · Cooling 63

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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