Skip to content
Rebate.Blue

Bosch vs COSTWAY: heat pump ratings compared

Against heat pumps of the same size and type, a typical Bosch model beats 62% and a typical COSTWAY model 46%. Bosch rates higher overall.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

Bosch

62%

of similar heat pumps beaten by its typical model

Well above average

47 models listed

COSTWAY

46%

of similar heat pumps beaten by its typical model

About average

47 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 63%COSTWAY: Beats 57%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBosch: Beats 62%COSTWAY: Beats 35%
  • Winter-long heating efficiencyHSPF2Bosch: Beats 68%COSTWAY: Beats 45%
  • Summer-long cooling efficiencySEER2Bosch: Beats 65%COSTWAY: Beats 49%
  • Hot-day cooling efficiencyEER2Bosch: Beats 55%COSTWAY: Beats 36%

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
    94%
    COSTWAY
    64%

  • Xcel CC

    Bosch
    83%
    COSTWAY
    43%

  • CEE Advanced

    Bosch
    15%
    COSTWAY
    0%

  • ENERGY STAR CC

    Bosch
    85%
    COSTWAY
    30%

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. 1BOVB-36MTB-M19Ewith ducted air handler BIVB-36MCB-M19XBosch3 tons · 36,400 Btu/h · DuctedKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    83.7score / 100
  2. 2BMS500-AAM036-1CSXHDBosch3 tons · 36,000 Btu/h · DuctedKeeps 106% of its heat at 5°FMeets 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
    Seasonal efficiency
    10.4 (HSPF2)
    Top 10%
    82.5score / 100
  3. 3BOHA-36MTB-M18Swith ducted air handler D(A,C,E)37D3J+TDRBosch2.5 tons · 31,800 Btu/h · DuctedKeeps 101% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    101% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.43 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    8.5 (HSPF2)
    Good
    79.8score / 100

COSTWAY

  1. 1FP10982USwith ducted air handler FP10985USCOSTWAY3 tons · 34,000 Btu/h · DuctedKeeps 70% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    64.8score / 100
  2. 2FP11135US*COSTWAY3 tons · 34,000 Btu/h · DuctedKeeps 72% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.5 (HSPF2)
    Top 10%
    62.3score / 100
  3. 3FP11019USwith ducted air handler FP11022USCOSTWAY3 tons · 34,000 Btu/h · DuctedKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    55.4score / 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