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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 average36 models listed
Kerr
66%
of similar heat pumps beaten by its typical model
Well above average38 models listed
- 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
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, ductless 5 tons and up
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ductless, 5 tons and up (57,000 Btu/h and up cooling). What size is my system?
BROCK
No ductless, 5 tons and up model from BROCK.
Kerr
No ductless, 5 tons and up model from Kerr.
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