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Airdach vs Kaden: heat pump ratings compared

Against heat pumps of the same size and type, a typical Airdach model beats 40% and a typical Kaden model 61%. Kaden rates higher overall.

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

Airdach

40%

of similar heat pumps beaten by its typical model

Below average

29 models listed

Kaden

61%

of similar heat pumps beaten by its typical model

Well above average

66 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°FAirdach: Beats 48%Kaden: Beats 58%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAirdach: Beats 34%Kaden: Beats 53%
  • Winter-long heating efficiencyHSPF2Airdach: Beats 28%Kaden: Beats 64%
  • Summer-long cooling efficiencySEER2Airdach: Beats 29%Kaden: Beats 63%
  • Hot-day cooling efficiencyEER2Airdach: Beats 49%Kaden: Beats 65%

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

    Airdach
    24%
    Kaden
    68%

  • Xcel CC

    Airdach
    31%
    Kaden
    59%

  • CEE Advanced

    Airdach
    0%
    Kaden
    3%

  • ENERGY STAR CC

    Airdach
    0%
    Kaden
    58%

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?

Airdach

  1. 1ACSH3621VR1-D3with ductless indoor unit AIWH3600VR1-D3Airdach3 tons · 33,600 Btu/h · DuctlessKeeps 72% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    72% (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
    8.5 (HSPF2)
    Below the middle
    22.3score / 100

Kaden

  1. 1KOB-HH-PS436HP-2AAMAKadenAlso listed as KOB-HH-PS536HP-2AAMA3 tons · 36,000 Btu/h · DuctlessKeeps 103% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    103% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.6 (HSPF2)
    Great
    78.0score / 100
  2. 2KOB-HH-PS327HP-2AAMAKadenAlso listed as KOB-HH-PS427HP-2AAMA2.5 tons · 27,000 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    72.9score / 100
  3. 3KOB-HH-PSX36HP-2AAMAwith ductless indoor unit KIB-PSX36WM-2AAMAKadenAlso listed as KOB-HH-PSX33HP-2AAMA3 tons · 33,000 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)
    Good
    Efficiency at 5°F
    1.98 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    61.3score / 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.

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