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AIR MAX vs Impecca: heat pump ratings compared

Against heat pumps of the same size and type, a typical AIR MAX model beats 45% and a typical Impecca model 56%. Impecca 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

Impecca

56%

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%Impecca: Beats 44%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAIR MAX: Beats 60%Impecca: Beats 66%
  • Winter-long heating efficiencyHSPF2AIR MAX: Beats 17%Impecca: Beats 55%
  • Summer-long cooling efficiencySEER2AIR MAX: Beats 46%Impecca: Beats 61%
  • Hot-day cooling efficiencyEER2AIR MAX: Beats 49%Impecca: Beats 53%

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%
    Impecca
    100%

  • Xcel CC

    AIR MAX
    43%
    Impecca
    100%

  • CEE Advanced

    AIR MAX
    0%
    Impecca
    0%

  • ENERGY STAR CC

    AIR MAX
    0%
    Impecca
    0%

Top cold-climate picks, ductless 3.5–4.5 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, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

AIR MAX

No ductless, 3.5–4.5 tons model from AIR MAX.

Impecca

No ductless, 3.5–4.5 tons model from Impecca.

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