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AIR-CON vs KLIMAIRE: heat pump ratings compared

Against heat pumps of the same size and type, a typical AIR-CON model beats 45% and a typical KLIMAIRE model 55%. KLIMAIRE rates higher overall.

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

AIR-CON

45%

of similar heat pumps beaten by its typical model

About average

41 models listed

KLIMAIRE

55%

of similar heat pumps beaten by its typical model

About average

25 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-CON: Beats 57%KLIMAIRE: Beats 50%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAIR-CON: Beats 33%KLIMAIRE: Beats 48%
  • Winter-long heating efficiencyHSPF2AIR-CON: Beats 45%KLIMAIRE: Beats 60%
  • Summer-long cooling efficiencySEER2AIR-CON: Beats 43%KLIMAIRE: Beats 61%
  • Hot-day cooling efficiencyEER2AIR-CON: Beats 39%KLIMAIRE: 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

    AIR-CON
    44%
    KLIMAIRE
    76%
  • Xcel CC

    AIR-CON
    34%
    KLIMAIRE
    72%
  • CEE Advanced

    AIR-CON
    0%
    KLIMAIRE
    0%
  • ENERGY STAR CC

    AIR-CON
    0%
    KLIMAIRE
    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.

AIR-CON

  1. 1ASGCI8H4M18with ductless indoor unit ASGEC8H4M18AIR-CON1.5 tons · 16,800 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)
    Below the middle
    Efficiency at 5°F
    2.19 (COP at 5°F)
    Great
    Seasonal efficiency
    11.4 (HSPF2)
    Top 10%
    68.2score / 100

KLIMAIRE

  1. 1KMIP218-H225-4KLIMAIRE1.5 tons · 18,000 Btu/h · DuctlessKeeps 80% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    80% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    68.6score / 100
  2. 2KMHR319-H221-4KLIMAIRE1.5 tons · 19,000 Btu/h · DuctlessKeeps 90% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    67.2score / 100
  3. 3KMIR319-H221-4KLIMAIRE1.5 tons · 18,000 Btu/h · DuctlessKeeps 74% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.25 (COP at 5°F)
    Great
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    65.6score / 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