Kerr vs Wells: heat pump ratings compared
Against heat pumps of the same size and type, a typical Kerr model beats 66% and a typical Wells model 63%. Kerr rates slightly 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
Wells
63%
of similar heat pumps beaten by its typical model
Well above average37 models listed
- Efficiency on a 5°F dayCOP at 5°FKerr: Beats 59%Wells: Beats 64%
- Heating power kept at 5°FCapacity at 5°F vs 47°FKerr: Beats 77%Wells: Beats 61%
- Winter-long heating efficiencyHSPF2Kerr: Beats 78%Wells: Beats 74%
- Summer-long cooling efficiencySEER2Kerr: Beats 64%Wells: Beats 62%
- Hot-day cooling efficiencyEER2Kerr: Beats 62%Wells: Beats 59%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- Kerr
- 79%
- Wells
- 87%
Xcel CC
- Kerr
- 90%
- Wells
- 81%
CEE Advanced
- Kerr
- 3%
- Wells
- 3%
ENERGY STAR CC
- Kerr
- 90%
- Wells
- 84%
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?
Kerr
- 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
- 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
- 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
Wells
- 1WOM-36HH5/230Wells3 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
- 2WOM-27HH4/230Wells2.5 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
- 3WOM-36RH5/230Wells3 tons · 35,000 Btu/h · DuctedCold-climate pick, score 60.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 70% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 9.2 (HSPF2)
- Good
- Cooling efficiency
- 20.0 (SEER2)
- Top 10%
- Hot-day cooling
- 11.7 (EER2)
- Good
These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.
Next steps
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