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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 average

50 models listed

Kepler

60%

of similar heat pumps beaten by its typical model

Above average

51 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°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

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

    Bosch
    76%
    Kepler
    71%

  • Xcel CC

    Bosch
    64%
    Kepler
    57%

  • CEE Advanced

    Bosch
    2%
    Kepler
    0%

  • ENERGY STAR CC

    Bosch
    30%
    Kepler
    59%

Top cold-climate picks, ducted 2.5–3 tons

Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), 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

  1. 1BOVD-36HDN1-M20Gwith indoor coil D(A,C,E)36C44+TDR and furnace BGH96M100C5BBosch2.5 tons · 31,200 Btu/h · DuctedKeeps 125% of its heat at 5°FMeets 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%
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    89.0score / 100
  2. 2BOVB-36HDN1-M20Gwith ducted air handler L(E,G)M36F4Bosch3 tons · 34,200 Btu/h · DuctedKeeps 80% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    80% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.64 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    9.5 (HSPF2)
    Great
    82.0score / 100
  3. 3BMS500-AAM027-1CSXHCBosch2.5 tons · 28,000 Btu/h · DuctedKeeps 89% of its heat at 5°FMeets 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
    Seasonal efficiency
    9.5 (HSPF2)
    Great
    66.7score / 100

Kepler

  1. 1ODUM3OK-27HFN1-MKepler2.5 tons · 27,000 Btu/h · DuctedKeeps 101% of its heat at 5°FMeets 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
    Seasonal efficiency
    10.0 (HSPF2)
    Top 10%
    80.4score / 100
  2. 2ODUM4OX630-36HFN1-M1XKepler3 tons · 36,000 Btu/h · DuctedKeeps 100% of its heat at 5°FMeets 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
    Seasonal efficiency
    10.0 (HSPF2)
    Top 10%
    79.9score / 100
  3. 3AZPN/36WDwith ducted air handler AZPN/C36WACKepler3 tons · 35,000 Btu/h · DuctedKeeps 82% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    82% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Top 10%
    78.6score / 100

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