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AIR MAX vs GENERALLUX STAR: heat pump ratings compared

Against heat pumps of the same size and type, a typical AIR MAX model beats 45% and a typical GENERALLUX STAR model 58%. GENERALLUX STAR rates higher overall.

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

AIR MAX

45%

of similar heat pumps beaten by its typical model

Below average

7 models listed

GENERALLUX STAR

58%

of similar heat pumps beaten by its typical model

Above average

7 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°FAIR MAX: Beats 28%GENERALLUX STAR: Beats 37%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAIR MAX: Beats 60%GENERALLUX STAR: Beats 69%
  • Winter-long heating efficiencyHSPF2AIR MAX: Beats 17%GENERALLUX STAR: Beats 31%
  • Summer-long cooling efficiencySEER2AIR MAX: Beats 46%GENERALLUX STAR: Beats 36%
  • Hot-day cooling efficiencyEER2AIR MAX: Beats 49%GENERALLUX STAR: Beats 50%

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

    AIR MAX
    57%
    GENERALLUX STAR
    57%

  • Xcel CC

    AIR MAX
    43%
    GENERALLUX STAR
    57%

  • CEE Advanced

    AIR MAX
    0%
    GENERALLUX STAR
    0%

  • ENERGY STAR CC

    AIR MAX
    0%
    GENERALLUX STAR
    0%

Top cold-climate picks, ductless 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.

Showing Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

AIR MAX

  1. 1AWGYC36-H2with ductless indoor unit AWGYE36-H2AIR MAX3 tons · 33,600 Btu/h · DuctlessKeeps 71% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.85 (COP at 5°F)
    Good
    Seasonal efficiency
    8.5 (HSPF2)
    Below the middle
    44.1score / 100

GENERALLUX STAR

No ductless, 2.5–3 tons model from GENERALLUX STAR.

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.

Open the advanced view