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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 average50 models listed
Carrier
47%
of similar heat pumps beaten by its typical model
About average701 models listed
- 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
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.
Showing Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?
Bosch
- 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%
- 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%
- 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
Carrier
- 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%
- 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%
- 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
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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