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BROCK vs ZOKOP: heat pump ratings compared

Against heat pumps of the same size and type, a typical BROCK model beats 35% and a typical ZOKOP model 34%. BROCK rates slightly 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

ZOKOP

34%

of similar heat pumps beaten by its typical model

Well below average

37 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%ZOKOP: Beats 34%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBROCK: Beats 13%ZOKOP: Beats 33%
  • Winter-long heating efficiencyHSPF2BROCK: Beats 24%ZOKOP: Beats 46%
  • Summer-long cooling efficiencySEER2BROCK: Beats 24%ZOKOP: Beats 36%
  • Hot-day cooling efficiencyEER2BROCK: Beats 64%ZOKOP: Beats 26%

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%
    ZOKOP
    68%

  • Xcel CC

    BROCK
    0%
    ZOKOP
    57%

  • CEE Advanced

    BROCK
    0%
    ZOKOP
    0%

  • ENERGY STAR CC

    BROCK
    0%
    ZOKOP
    0%

All-around best, ducted 3.5–4.5 tons

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

Showing Ducted, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

BROCK

  1. 1PH8TAN548**AA*with ducted air handler QFVA5D6021XBROCK4 tons · 49,500 Btu/h · DuctedNot a cold-climate pick: keeps 50% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    50% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.32 (COP at 5°F)
    Great
    Winter efficiency
    8.5 (HSPF2)
    Good
    Cooling efficiency
    18.0 (SEER2)
    Great
    Hot-day cooling
    13.0 (EER2)
    Top 10%
    72.7score / 100Heating 57 · Cooling 88
  2. 2PH5SAN542**AA*with ducted air handler PF5TNBD60LBROCK3.5 tons · 41,500 Btu/h · DuctedNot a cold-climate pick: keeps 49% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    49% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Winter efficiency
    7.8 (HSPF2)
    Below the middle
    Cooling efficiency
    15.5 (SEER2)
    Below the middle
    Hot-day cooling
    13.0 (EER2)
    Top 10%
    60.3score / 100Heating 47 · Cooling 73
  3. 3PH5SAN548**AA*with ducted air handler PF5MN*D60LBROCK4 tons · 46,500 Btu/h · DuctedNot a cold-climate pick: keeps 52% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    52% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.30 (COP at 5°F)
    Great
    Winter efficiency
    7.8 (HSPF2)
    Below the middle
    Cooling efficiency
    15.2 (SEER2)
    Below the middle
    Hot-day cooling
    12.5 (EER2)
    Top 10%
    60.1score / 100Heating 52 · Cooling 68

ZOKOP

No ducted, 3.5–4.5 tons model from ZOKOP.

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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