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Bosch vs ECO AC: heat pump ratings compared

Against heat pumps of the same size and type, a typical Bosch model beats 62% and a typical ECO AC model 59%. Bosch rates slightly 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

ECO AC

59%

of similar heat pumps beaten by its typical model

Above average

22 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%ECO AC: Beats 44%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBosch: Beats 62%ECO AC: Beats 68%
  • Winter-long heating efficiencyHSPF2Bosch: Beats 68%ECO AC: Beats 47%
  • Summer-long cooling efficiencySEER2Bosch: Beats 65%ECO AC: Beats 64%
  • Hot-day cooling efficiencyEER2Bosch: Beats 55%ECO AC: Beats 68%

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%
    ECO AC
    96%

  • Xcel CC

    Bosch
    83%
    ECO AC
    96%

  • CEE Advanced

    Bosch
    15%
    ECO AC
    14%

  • ENERGY STAR CC

    Bosch
    85%
    ECO AC
    100%

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

  1. 1BMS500-AAS009-1CSXRDwith ducted air handler BMS500-AAU009-1AHDXDBosch1 ton · 9,000 Btu/h · DuctedKeeps 86% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    86% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.25 (COP at 5°F)
    Great
    Seasonal efficiency
    11.0 (HSPF2)
    Top 10%
    80.1score / 100
  2. 2BMS500-AAS009-1CSXHDwith ducted air handler BMS500-AAU009-1AHDXDBosch1 ton · 9,000 Btu/h · DuctedKeeps 112% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    112% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.89 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    12.5 (HSPF2)
    Top 10%
    80.0score / 100
  3. 3BMS500-AAS018-1CSXHDwith ducted air handler BMS500-AAU018-1AHDXDBosch1.5 tons · 17,000 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)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    78.0score / 100

ECO AC

  1. 1EMH-2O18KBBECO AC1.5 tons · 18,000 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
    1.86 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.1 (HSPF2)
    Below the middle
    39.3score / 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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