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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%

All-around best, ducted up to 1.5 tons

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating 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-AAS009-1CSXHDwith ducted air handler BMS500-AAU009-1AHDXDBosch1 ton · 9,000 Btu/h · DuctedCold-climate pick, score 80.0Meets 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
    Winter efficiency
    12.5 (HSPF2)
    Top 10%
    Cooling efficiency
    21.4 (SEER2)
    Top 10%
    Hot-day cooling
    13.4 (EER2)
    Top 10%
    86.7score / 100Heating 80 · Cooling 94
  2. 2BMS500-AAS009-1CSXRDwith ducted air handler BMS500-AAU009-1AHDXDBosch1 ton · 9,000 Btu/h · DuctedCold-climate pick, score 80.1Meets 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
    Winter efficiency
    11.0 (HSPF2)
    Top 10%
    Cooling efficiency
    19.5 (SEER2)
    Good
    Hot-day cooling
    12.8 (EER2)
    Great
    78.1score / 100Heating 80 · Cooling 76
  3. 3BMS500-AAM018-1CSXHDBosch1.5 tons · 19,000 Btu/h · DuctedCold-climate pick, score 70.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.0 (HSPF2)
    Great
    Cooling efficiency
    20.0 (SEER2)
    Great
    Hot-day cooling
    13.0 (EER2)
    Great
    77.4score / 100Heating 71 · Cooling 84

iCongo

  1. 1ZOC-18HIN4-M-SE18with ducted air handler ZVMXFA-18HI1N4-C-M-SE18iCongo1.5 tons · 18,000 Btu/h · DuctedCold-climate pick, score 45.5Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    63% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.6 (HSPF2)
    Below the middle
    Cooling efficiency
    18.4 (SEER2)
    Good
    Hot-day cooling
    11.5 (EER2)
    Below the middle
    38.9score / 100Heating 28 · Cooling 50
  2. 2ZOT4P-18HN4-M-SE14.3with ducted air handler ZVMXFA-18C1N4L-M-SE14.3iCongo1.5 tons · 18,000 Btu/h · DuctedNot a cold-climate pick: keeps 52% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    52% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.40 (COP at 5°F)
    Top 10%
    Winter efficiency
    7.5 (HSPF2)
    Below the middle
    Cooling efficiency
    14.3 (SEER2)
    Below the middle
    Hot-day cooling
    11.7 (EER2)
    Good
    38.4score / 100Heating 38 · Cooling 39
  3. 3ZOT4P-18HIN4-M-SE15with ducted air handler ZVMQFA-18HIN4L-M-SE15iCongo1.5 tons · 18,000 Btu/h · DuctedCold-climate pick, score 45.5Meets none of the standards tracked here
    Heat kept at 5°F
    84% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.4 (HSPF2)
    Below the middle
    Cooling efficiency
    14.5 (SEER2)
    Below the middle
    Hot-day cooling
    10.0 (EER2)
    Below the middle
    33.0score / 100Heating 46 · Cooling 21

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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