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AAON vs Airdach: heat pump ratings compared

Against heat pumps of the same size and type, a typical AAON model beats 34% and a typical Airdach model 40%. Airdach rates higher overall.

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

AAON

34%

of similar heat pumps beaten by its typical model

Well below average

28 models listed

Airdach

40%

of similar heat pumps beaten by its typical model

Below average

29 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°FAAON: Beats 16%Airdach: Beats 48%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAAON: Beats 21%Airdach: Beats 34%
  • Winter-long heating efficiencyHSPF2AAON: Beats 34%Airdach: Beats 28%
  • Summer-long cooling efficiencySEER2AAON: Beats 45%Airdach: Beats 29%
  • Hot-day cooling efficiencyEER2AAON: Beats 83%Airdach: Beats 49%

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

    AAON
    0%
    Airdach
    24%

  • Xcel CC

    AAON
    0%
    Airdach
    31%

  • CEE Advanced

    AAON
    0%
    Airdach
    0%

  • ENERGY STAR CC

    AAON
    0%
    Airdach
    0%

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

AAON

None of AAON’s ducted, 3.5–4.5 tons models qualifies.

Airdach

  1. 1A3TH60180OV1DGwith ducted air handler A3DH60000OE1DTAirdach4.5 tons · 55,000 Btu/h · DuctedKeeps 73% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    73% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.30 (COP at 5°F)
    Great
    Seasonal efficiency
    8.8 (HSPF2)
    Good
    69.8score / 100

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