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AireForce vs Kerr: heat pump ratings compared

Against heat pumps of the same size and type, a typical AireForce model beats 41% and a typical Kerr model 66%. Kerr rates higher overall.

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

AireForce

41%

of similar heat pumps beaten by its typical model

Below average

54 models listed

Kerr

66%

of similar heat pumps beaten by its typical model

Well above average

38 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°FAireForce: Beats 33%Kerr: Beats 59%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAireForce: Beats 43%Kerr: Beats 77%
  • Winter-long heating efficiencyHSPF2AireForce: Beats 37%Kerr: Beats 78%
  • Summer-long cooling efficiencySEER2AireForce: Beats 43%Kerr: Beats 64%
  • Hot-day cooling efficiencyEER2AireForce: Beats 47%Kerr: Beats 62%

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

    AireForce
    52%
    Kerr
    79%

  • Xcel CC

    AireForce
    48%
    Kerr
    90%

  • CEE Advanced

    AireForce
    4%
    Kerr
    3%

  • ENERGY STAR CC

    AireForce
    22%
    Kerr
    90%

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?

AireForce

  1. 1AC-18Z-E-M2AireForce1.5 tons · 17,700 Btu/h · DuctlessKeeps 81% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    81% (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
    64.5score / 100
  2. 2DXH09PSK3IHwith ductless indoor unit DHH09PUK3IHAireForce1 ton · 9,100 Btu/h · DuctlessKeeps 90% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.88 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.4 (HSPF2)
    Great
    62.2score / 100
  3. 3DXH18FMK3IHAireForce1.5 tons · 18,000 Btu/h · DuctlessKeeps 77% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    77% (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
    61.4score / 100

Kerr

  1. 1A-KHP06SA-1with ductless indoor unit B-KHP06SA-1Kerr0.5 tons · 6,000 Btu/h · DuctlessKeeps 110% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    110% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.40 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    14.8 (HSPF2)
    Top 10%
    96.7score / 100
  2. 2A-KZP06SA-1with ductless indoor unit B-ZKP06SA-1KerrAlso listed as A-ZKP06SA-10.5 tons · 6,000 Btu/h · DuctlessKeeps 150% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    150% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    15.6 (HSPF2)
    Top 10%
    87.6score / 100
  3. 3A-KZPO9SA-1with ductless indoor unit B-ZKPO9SA-1KerrAlso listed as A-ZKP09SA-11 ton · 9,000 Btu/h · DuctlessKeeps 113% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    113% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    14.6 (HSPF2)
    Top 10%
    85.9score / 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