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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, ducted 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 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?

AIR MAX

No ducted, 2.5–3 tons model from AIR MAX.

GENERALLUX STAR

No ducted, 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