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Bosch vs iCongo: heat pump ratings compared

Against heat pumps of the same size and type, a typical Bosch model beats 62% and a typical iCongo model 42%. 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

iCongo

42%

of similar heat pumps beaten by its typical model

Below 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%iCongo: Beats 37%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBosch: Beats 62%iCongo: Beats 52%
  • Winter-long heating efficiencyHSPF2Bosch: Beats 68%iCongo: Beats 49%
  • Summer-long cooling efficiencySEER2Bosch: Beats 65%iCongo: Beats 48%
  • Hot-day cooling efficiencyEER2Bosch: Beats 55%iCongo: Beats 28%

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%
    iCongo
    32%
  • Xcel CC

    Bosch
    83%
    iCongo
    32%
  • CEE Advanced

    Bosch
    15%
    iCongo
    0%
  • ENERGY STAR CC

    Bosch
    85%
    iCongo
    0%

Top cold-climate picks, ductless 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.

Bosch

  1. 1BMS500-AAM036-1CSXHDBosch3 tons · 36,000 Btu/h · DuctlessKeeps 103% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    103% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.6 (HSPF2)
    Great
    78.0score / 100
  2. 2BMS500-AAM027-1CSXHDBosch2.5 tons · 27,000 Btu/h · DuctlessKeeps 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)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    72.9score / 100
  3. 3BMS500-AAS036-1CSXLDwith ductless indoor unit BMS500-AAU036-1AHCXDBosch3 tons · 36,000 Btu/h · DuctlessKeeps 70% of its heat at 5°FMeets 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
    2.20 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.3 (HSPF2)
    Good
    62.8score / 100

iCongo

No ductless, 2.5–3 tons model from iCongo.

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