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BROCK vs KEEN Home: heat pump ratings compared

Against heat pumps of the same size and type, a typical BROCK model beats 35% and a typical KEEN Home model 66%. KEEN Home rates higher overall.

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

BROCK

35%

of similar heat pumps beaten by its typical model

Well below average

36 models listed

KEEN Home

66%

of similar heat pumps beaten by its typical model

Well above average

35 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°FBROCK: Beats 41%KEEN Home: Beats 55%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBROCK: Beats 13%KEEN Home: Beats 73%
  • Winter-long heating efficiencyHSPF2BROCK: Beats 24%KEEN Home: Beats 77%
  • Summer-long cooling efficiencySEER2BROCK: Beats 24%KEEN Home: Beats 67%
  • Hot-day cooling efficiencyEER2BROCK: Beats 64%KEEN Home: 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

    BROCK
    19%
    KEEN Home
    91%

  • Xcel CC

    BROCK
    0%
    KEEN Home
    94%

  • CEE Advanced

    BROCK
    0%
    KEEN Home
    6%

  • ENERGY STAR CC

    BROCK
    0%
    KEEN Home
    89%

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?

BROCK

No ductless, up to 1.5 tons model from BROCK.

KEEN Home

  1. 1KEENUMHP06AAwith ductless indoor unit KEENOWAH06AAKEEN Home0.5 tons · 6,500 Btu/h · DuctlessKeeps 109% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    109% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.40 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    12.0 (HSPF2)
    Top 10%
    94.4score / 100
  2. 2KEENHYMHP06AAwith ductless indoor unit KEENHYMAH612AKEEN HomeAlso listed as KEENHYMHP09AA, KEENHYMHP12AA0.5 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. 3KEENSTMHP18AAwith ductless indoor unit KEENSTMAH18AAKEEN Home1.5 tons · 18,000 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
    10.8 (HSPF2)
    Great
    78.3score / 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.

Open the advanced view