Bosch vs Kepler: heat pump ratings compared
Against heat pumps of the same size and type, a typical Bosch model beats 65% and a typical Kepler model 60%. Bosch rates higher overall.
Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated
Bosch
65%
of similar heat pumps beaten by its typical model
Well above average50 models listed
Kepler
60%
of similar heat pumps beaten by its typical model
Above average51 models listed
- Efficiency on a 5°F dayCOP at 5°FBosch: Beats 55%Kepler: Beats 50%
- Heating power kept at 5°FCapacity at 5°F vs 47°FBosch: Beats 60%Kepler: Beats 59%
- Winter-long heating efficiencyHSPF2Bosch: Beats 69%Kepler: Beats 70%
- Summer-long cooling efficiencySEER2Bosch: Beats 70%Kepler: Beats 66%
- Hot-day cooling efficiencyEER2Bosch: Beats 58%Kepler: Beats 53%
Average (50%)Dashed outline: the other brand, for comparison
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CEE 2025
- Bosch
- 76%
- Kepler
- 71%
Xcel CC
- Bosch
- 64%
- Kepler
- 57%
CEE Advanced
- Bosch
- 2%
- Kepler
- 0%
ENERGY STAR CC
- Bosch
- 30%
- Kepler
- 59%
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), the most-listed ducted size. Pick yours above. What size is my system?
Bosch
- 1BOVD-36HDN1-M20Gwith indoor coil D(A,C,E)36C44+TDR and furnace BGH96M100C5BBosch2.5 tons · 31,200 Btu/h · DuctedCold-climate pick, score 89.0Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP
- Heat kept at 5°F
- 125% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.98 (COP at 5°F)
- Top 10%
- Winter efficiency
- 9.0 (HSPF2)
- Good
- Cooling efficiency
- 18.5 (SEER2)
- Great
- Hot-day cooling
- 11.9 (EER2)
- Great
- 2BMS500-AAM027-1CSXRCBosch2.5 tons · 28,000 Btu/h · DuctedNot a cold-climate pick: keeps 66% of its heat at 5°FMeets CEE 2025, CEE 2026
- Heat kept at 5°F
- 67% (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
- 21.0 (SEER2)
- Top 10%
- Hot-day cooling
- 11.7 (EER2)
- Good
- 3BMS500-AAM027-1CSXHCBosch2.5 tons · 28,000 Btu/h · DuctedCold-climate pick, score 66.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 89% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.5 (HSPF2)
- Great
- Cooling efficiency
- 20.0 (SEER2)
- Top 10%
- Hot-day cooling
- 11.7 (EER2)
- Good
Kepler
- 1ODUM4OX630-36HFN1-M1XKepler3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 79.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 100% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Good
- Winter efficiency
- 10.0 (HSPF2)
- Top 10%
- Cooling efficiency
- 19.4 (SEER2)
- Great
- Hot-day cooling
- 12.0 (EER2)
- Great
- 2ODUM3OK-27HFN1-MKepler2.5 tons · 27,000 Btu/h · DuctedCold-climate pick, score 80.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 101% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Good
- Winter efficiency
- 10.0 (HSPF2)
- Top 10%
- Cooling efficiency
- 19.0 (SEER2)
- Great
- Hot-day cooling
- 11.8 (EER2)
- Great
- 3ODUM3OJ-27HFN1-MKepler2.5 tons · 28,000 Btu/h · DuctedNot a cold-climate pick: keeps 66% of its heat at 5°FMeets CEE 2025, CEE 2026
- Heat kept at 5°F
- 67% (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
- 21.0 (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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