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BROCK vs Kerr: heat pump ratings compared

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

BROCK

35%

of similar heat pumps beaten by its typical model

Well below average

36 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°FBROCK: Beats 41%Kerr: Beats 59%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBROCK: Beats 13%Kerr: Beats 77%
  • Winter-long heating efficiencyHSPF2BROCK: Beats 24%Kerr: Beats 78%
  • Summer-long cooling efficiencySEER2BROCK: Beats 24%Kerr: Beats 64%
  • Hot-day cooling efficiencyEER2BROCK: Beats 64%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

    BROCK
    19%
    Kerr
    79%

  • Xcel CC

    BROCK
    0%
    Kerr
    90%

  • CEE Advanced

    BROCK
    0%
    Kerr
    3%

  • ENERGY STAR CC

    BROCK
    0%
    Kerr
    90%

All-around best, ducted 2.5–3 tons

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.

Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

BROCK

  1. 1PH8TAN536**AA*with ducted air handler PF5TNBD60LBROCK3 tons · 36,000 Btu/h · DuctedNot a cold-climate pick: keeps 49% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    49% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.48 (COP at 5°F)
    Top 10%
    Winter efficiency
    8.5 (HSPF2)
    Good
    Cooling efficiency
    17.0 (SEER2)
    Good
    Hot-day cooling
    13.0 (EER2)
    Top 10%
    66.7score / 100Heating 56 · Cooling 77
  2. 2PH5SAN536**AA*with indoor coil CAA**3721AM and furnace PG80VTLA66110CBROCK3 tons · 35,800 Btu/h · DuctedNot a cold-climate pick: keeps 47% of its heat at 5°FMeets CEE 2025
    Heat kept at 5°F
    48% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.26 (COP at 5°F)
    Great
    Winter efficiency
    7.8 (HSPF2)
    Below the middle
    Cooling efficiency
    16.0 (SEER2)
    Below the middle
    Hot-day cooling
    13.0 (EER2)
    Top 10%
    59.1score / 100Heating 48 · Cooling 71
  3. 3PH5SAN530**AA*with ducted air handler FMA5X30**ALBROCK2.5 tons · 29,000 Btu/h · DuctedNot a cold-climate pick: keeps 47% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    48% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.26 (COP at 5°F)
    Great
    Winter efficiency
    8.1 (HSPF2)
    Below the middle
    Cooling efficiency
    15.2 (SEER2)
    Below the middle
    Hot-day cooling
    12.5 (EER2)
    Top 10%
    57.0score / 100Heating 50 · Cooling 64

Kerr

  1. 1A-KHP365A-1Kerr3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 82.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    106% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.4 (HSPF2)
    Top 10%
    Cooling efficiency
    19.4 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Great
    83.6score / 100Heating 83 · Cooling 85
  2. 2A-KHP284A-1Kerr2.5 tons · 28,000 Btu/h · DuctedCold-climate pick, score 72.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    96% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Great
    77.4score / 100Heating 73 · Cooling 82
  3. 3A-KXP36SA-1with ducted air handler B-KXP36SA-1Kerr3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 73.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    105% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.3 (HSPF2)
    Top 10%
    Cooling efficiency
    17.4 (SEER2)
    Good
    Hot-day cooling
    11.7 (EER2)
    Good
    67.3score / 100Heating 73 · Cooling 62

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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