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IAIR vs Wells: heat pump ratings compared

Against heat pumps of the same size and type, a typical IAIR model beats 18% and a typical Wells model 57%. Wells rates higher overall.

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

IAIR

18%

of similar heat pumps beaten by its typical model

Well below average

35 models listed

Wells

57%

of similar heat pumps beaten by its typical model

Above average

35 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°FIAIR: Beats 2%Wells: Beats 40%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FIAIR: Beats 4%Wells: Beats 60%
  • Winter-long heating efficiencyHSPF2IAIR: Beats 19%Wells: Beats 70%
  • Summer-long cooling efficiencySEER2IAIR: Beats 15%Wells: Beats 65%
  • Hot-day cooling efficiencyEER2IAIR: Beats 60%Wells: 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

    IAIR
    0%
    Wells
    74%

  • Xcel CC

    IAIR
    0%
    Wells
    60%

  • CEE Advanced

    IAIR
    0%
    Wells
    0%

  • ENERGY STAR CC

    IAIR
    0%
    Wells
    60%

Top cold-climate picks, ducted 5 tons and up

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

IAIR

None of IAIR’s ducted, 5 tons and up models qualifies.

Wells

None of Wells’s ducted, 5 tons and up models qualifies.

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