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CAAIR vs Comfort Kool: heat pump ratings compared

One of these brands has too few models with every rating for an overall score; see each rating below.

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

CAAIR

—

of similar heat pumps beaten by its typical model

Not enough rated models

3 models listed

Comfort Kool

34%

of similar heat pumps beaten by its typical model

Well below average

3 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°FCAAIR: Beats 66%Comfort Kool: Beats 36%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCAAIR: Not ratedComfort Kool: Beats 27%
  • Winter-long heating efficiencyHSPF2CAAIR: Beats 17%Comfort Kool: Beats 45%
  • Summer-long cooling efficiencySEER2CAAIR: Beats 20%Comfort Kool: Beats 41%
  • Hot-day cooling efficiencyEER2CAAIR: Beats 18%Comfort Kool: Beats 22%

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

    CAAIR
    0%
    Comfort Kool
    100%

  • Xcel CC

    CAAIR
    0%
    Comfort Kool
    33%

  • CEE Advanced

    CAAIR
    0%
    Comfort Kool
    0%

  • ENERGY STAR CC

    CAAIR
    0%
    Comfort Kool
    0%

Top cold-climate picks, ductless up to 1.5 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, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

CAAIR

None of CAAIR’s ductless, up to 1.5 tons models qualifies.

Comfort Kool

  1. 1MCKA12K01Cwith ductless indoor unit MCKA12K01EComfort Kool1 ton · 12,000 Btu/h · DuctlessKeeps 75% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    75% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.5 (HSPF2)
    Below the middle
    37.6score / 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