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Airdach vs BROCK: heat pump ratings compared

Against heat pumps of the same size and type, a typical Airdach model beats 40% and a typical BROCK model 35%. Airdach 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

BROCK

35%

of similar heat pumps beaten by its typical model

Well below 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°FAirdach: Beats 48%BROCK: Beats 41%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAirdach: Beats 34%BROCK: Beats 13%
  • Winter-long heating efficiencyHSPF2Airdach: Beats 28%BROCK: Beats 24%
  • Summer-long cooling efficiencySEER2Airdach: Beats 29%BROCK: Beats 24%
  • Hot-day cooling efficiencyEER2Airdach: Beats 49%BROCK: Beats 64%

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%
    BROCK
    19%

  • Xcel CC

    Airdach
    31%
    BROCK
    0%

  • CEE Advanced

    Airdach
    0%
    BROCK
    0%

  • ENERGY STAR CC

    Airdach
    0%
    BROCK
    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?

Airdach

  1. 1ACSH0920VR1-D3with ductless indoor unit AIWH0900VR1-D3Airdach1 ton · 9,100 Btu/h · DuctlessKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.94 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.8 (HSPF2)
    Below the middle
    41.6score / 100
  2. 2ACSH0920VR1-A3with ductless indoor unit AIWH0900VR1-A3Airdach1 ton · 9,100 Btu/h · DuctlessKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.86 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.8 (HSPF2)
    Below the middle
    37.3score / 100
  3. 3ACSH1219VR1-D3with ductless indoor unit AIWH1200VR1-D3Airdach1 ton · 12,000 Btu/h · DuctlessKeeps 76% of its heat at 5°FMeets Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.5 (HSPF2)
    Below the middle
    26.7score / 100

BROCK

No ductless, up to 1.5 tons model from BROCK.

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