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Bosch vs Carrier: heat pump ratings compared

Against heat pumps of the same size and type, a typical Bosch model beats 65% and a typical Carrier model 47%. 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

Carrier

47%

of similar heat pumps beaten by its typical model

About average

701 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%Carrier: Beats 58%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBosch: Beats 60%Carrier: Beats 32%
  • Winter-long heating efficiencyHSPF2Bosch: Beats 69%Carrier: Beats 38%
  • Summer-long cooling efficiencySEER2Bosch: Beats 70%Carrier: Beats 45%
  • Hot-day cooling efficiencyEER2Bosch: Beats 58%Carrier: Beats 59%

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%
    Carrier
    29%
  • Xcel CC

    Bosch
    64%
    Carrier
    17%
  • CEE Advanced

    Bosch
    2%
    Carrier
    2%
  • ENERGY STAR CC

    Bosch
    30%
    Carrier
    9%

Top cold-climate picks, ducted up to 1.5 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.

Bosch

  1. 1BMS500-AAS009-1CSXHBwith ducted air handler BMS500-AAU009-1AHDXBBosch1 ton · 9,000 Btu/h · DuctedKeeps 83% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    83% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.07 (COP at 5°F)
    Good
    Seasonal efficiency
    11.5 (HSPF2)
    Top 10%
    75.2score / 100
  2. 2BMS500-AAS009-1CSXHCwith ducted air handler BMS500-AAU009-1AHDXBBosch1 ton · 9,000 Btu/h · DuctedKeeps 108% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    108% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    12.0 (HSPF2)
    Top 10%
    74.9score / 100
  3. 3BMS500-AAS009-1CSXRCwith ducted air handler BMS500-AAU009-1AHDXBBosch1 ton · 9,000 Btu/h · DuctedKeeps 80% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    80% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.09 (COP at 5°F)
    Good
    Seasonal efficiency
    10.2 (HSPF2)
    Great
    70.4score / 100

Carrier

  1. 138MARBQ18AA3with ducted air handler 40MBDAQ18XH3CarrierAlso sold as Arcoaire DLCSRBH18AAK1.5 tons · 17,500 Btu/h · DuctedKeeps 95% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    95% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Seasonal efficiency
    10.8 (HSPF2)
    Top 10%
    81.3score / 100
  2. 238MARBQ09AA3with ducted air handler 40MBDQ09---3CarrierAlso sold as Arcoaire DLCSRBH09AAK1 ton · 9,000 Btu/h · DuctedKeeps 108% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    108% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    12.0 (HSPF2)
    Top 10%
    74.9score / 100
  3. 338MURAQ18AB3*with ducted air handler FM(C,U)4Z18**ALCarrierAlso sold as Airquest DLCURAH18ABK, Grandaire WDLCURAH18ABK1.5 tons · 17,800 Btu/h · DuctedKeeps 106% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP
    Heat kept at 5°F
    106% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.40 (COP at 5°F)
    Great
    Seasonal efficiency
    9.0 (HSPF2)
    Below the middle
    74.7score / 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.

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