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Kerr vs ZOKOP: heat pump ratings compared
Against heat pumps of the same size and type, a typical Kerr model beats 66% and a typical ZOKOP model 34%. Kerr rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
Kerr
66%
of similar heat pumps beaten by its typical model
Well above average38 models listed
ZOKOP
34%
of similar heat pumps beaten by its typical model
Well below average37 models listed
- Efficiency on a 5°F dayCOP at 5°FKerr: Beats 59%ZOKOP: Beats 34%
- Heating power kept at 5°FCapacity at 5°F vs 47°FKerr: Beats 77%ZOKOP: Beats 33%
- Winter-long heating efficiencyHSPF2Kerr: Beats 78%ZOKOP: Beats 46%
- Summer-long cooling efficiencySEER2Kerr: Beats 64%ZOKOP: Beats 36%
- Hot-day cooling efficiencyEER2Kerr: Beats 62%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
CEE 2025
- Kerr
- 79%
- ZOKOP
- 68%
Xcel CC
- Kerr
- 90%
- ZOKOP
- 57%
CEE Advanced
- Kerr
- 3%
- ZOKOP
- 0%
ENERGY STAR CC
- Kerr
- 90%
- ZOKOP
- 0%
All-around best, ducted up to 1.5 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?
Kerr
- 1A-KHP09SA-1with ducted air handler B-KHP09DA-1Kerr1 ton · 9,000 Btu/h · DuctedCold-climate pick, score 79.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 120% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 1.85 (COP at 5°F)
- Below the middle
- Winter efficiency
- 13.8 (HSPF2)
- Top 10%
- Cooling efficiency
- 20.5 (SEER2)
- Top 10%
- Hot-day cooling
- 14.0 (EER2)
- Top 10%
- 2A-ZKP15SA-1with ducted air handler B-ZKP15SA-1Kerr1.5 tons · 15,000 Btu/h · DuctedCold-climate pick, score 75.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 90% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 11.0 (HSPF2)
- Top 10%
- Cooling efficiency
- 27.0 (SEER2)
- Top 10%
- Hot-day cooling
- 13.0 (EER2)
- Great
- 3A-KHP183A-1Kerr1.5 tons · 19,000 Btu/h · DuctedCold-climate pick, score 70.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 90% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.0 (HSPF2)
- Great
- Cooling efficiency
- 20.0 (SEER2)
- Great
- Hot-day cooling
- 13.0 (EER2)
- Great
ZOKOP
No ducted, up to 1.5 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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