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IAIR vs PERFECTAIRE: heat pump ratings compared

Against heat pumps of the same size and type, a typical IAIR model beats 18% and a typical PERFECTAIRE model 58%. PERFECTAIRE 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

PERFECTAIRE

58%

of similar heat pumps beaten by its typical model

Above average

36 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%PERFECTAIRE: Beats 40%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FIAIR: Beats 4%PERFECTAIRE: Beats 63%
  • Winter-long heating efficiencyHSPF2IAIR: Beats 19%PERFECTAIRE: Beats 69%
  • Summer-long cooling efficiencySEER2IAIR: Beats 15%PERFECTAIRE: Beats 64%
  • Hot-day cooling efficiencyEER2IAIR: Beats 60%PERFECTAIRE: Beats 52%

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%
    PERFECTAIRE
    81%

  • Xcel CC

    IAIR
    0%
    PERFECTAIRE
    67%

  • CEE Advanced

    IAIR
    0%
    PERFECTAIRE
    0%

  • ENERGY STAR CC

    IAIR
    0%
    PERFECTAIRE
    67%

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?

IAIR

No ductless, 2.5–3 tons model from IAIR.

PERFECTAIRE

  1. 13PAMS36-HH-MZO4PERFECTAIRE3 tons · 36,000 Btu/h · DuctlessKeeps 97% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    97% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Good
    Seasonal efficiency
    9.7 (HSPF2)
    Good
    73.4score / 100
  2. 23PAMS27-HH-MZO3PERFECTAIRE2.5 tons · 28,000 Btu/h · DuctlessKeeps 89% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.8 (HSPF2)
    Good
    54.8score / 100
  3. 33PAMSH27-MZO3PERFECTAIREAlso listed as 3KARDA27MZ32.5 tons · 27,000 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
    1.83 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.2 (HSPF2)
    Good
    49.3score / 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