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Conforto vs Custom Comfort: heat pump ratings compared

Against heat pumps of the same size and type, a typical Conforto model beats 58% and a typical Custom Comfort model 65%. Custom Comfort rates higher overall.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

Conforto

58%

of similar heat pumps beaten by its typical model

Above average

21 models listed

Custom Comfort

65%

of similar heat pumps beaten by its typical model

Well above average

20 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°FConforto: Beats 49%Custom Comfort: Beats 50%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FConforto: Beats 67%Custom Comfort: Beats 83%
  • Winter-long heating efficiencyHSPF2Conforto: Beats 70%Custom Comfort: Beats 84%
  • Summer-long cooling efficiencySEER2Conforto: Beats 59%Custom Comfort: Beats 65%
  • Hot-day cooling efficiencyEER2Conforto: Beats 50%Custom Comfort: Beats 51%

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

    Conforto
    71%
    Custom Comfort
    75%

  • Xcel CC

    Conforto
    67%
    Custom Comfort
    85%

  • CEE Advanced

    Conforto
    0%
    Custom Comfort
    5%

  • ENERGY STAR CC

    Conforto
    76%
    Custom Comfort
    100%

All-around best, ducted 2.5–3 tons

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating 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?

Conforto

  1. 1MHMZ327DAConforto2.5 tons · 28,000 Btu/h · DuctedCold-climate pick, score 66.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    20.0 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    74.6score / 100Heating 67 · Cooling 83
  2. 2MHMZ436DAConforto3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 63.7Meets none of the standards tracked here
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.70 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.0 (HSPF2)
    Top 10%
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    11.7 (EER2)
    Good
    71.2score / 100Heating 64 · Cooling 79
  3. 3MHSD136DACFCwith ducted air handler MHAH136DACFCConforto3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 78.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    86% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.97 (COP at 5°F)
    Good
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    16.0 (SEER2)
    Good
    Hot-day cooling
    10.0 (EER2)
    Below the middle
    56.1score / 100Heating 75 · Cooling 38

Custom Comfort

  1. 1CCOXHAMZ327HPCustom Comfort2.5 tons · 27,000 Btu/h · DuctedCold-climate pick, score 80.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    101% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Good
    Winter efficiency
    10.0 (HSPF2)
    Top 10%
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    11.8 (EER2)
    Great
    81.9score / 100Heating 80 · Cooling 83
  2. 2CCOXHAMZ436HPCustom Comfort3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 63.7Meets none of the standards tracked here
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.70 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.0 (HSPF2)
    Top 10%
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    11.7 (EER2)
    Good
    71.2score / 100Heating 64 · Cooling 79
  3. 3CCOXHASZ36CHPwith ducted air handler CCOXHASD36Custom Comfort3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 79.9Meets ENERGY STAR CC
    Heat kept at 5°F
    86% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.98 (COP at 5°F)
    Good
    Winter efficiency
    11.0 (HSPF2)
    Top 10%
    Cooling efficiency
    16.5 (SEER2)
    Good
    Hot-day cooling
    9.0 (EER2)
    Below the middle
    58.3score / 100Heating 80 · Cooling 37

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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