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Custom Comfort vs Nutech: heat pump ratings compared

Against heat pumps of the same size and type, a typical Custom Comfort model beats 71% and a typical Nutech model 54%. Custom Comfort rates higher overall.

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

Custom Comfort

71%

of similar heat pumps beaten by its typical model

Well above average

28 models listed

Nutech

54%

of similar heat pumps beaten by its typical model

About average

28 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°FCustom Comfort: Beats 64%Nutech: Beats 58%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCustom Comfort: Beats 71%Nutech: Beats 42%
  • Winter-long heating efficiencyHSPF2Custom Comfort: Beats 84%Nutech: Beats 60%
  • Summer-long cooling efficiencySEER2Custom Comfort: Beats 69%Nutech: Beats 64%
  • Hot-day cooling efficiencyEER2Custom Comfort: Beats 67%Nutech: Beats 43%

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

    Custom Comfort
    96%
    Nutech
    86%

  • Xcel CC

    Custom Comfort
    100%
    Nutech
    61%

  • CEE Advanced

    Custom Comfort
    4%
    Nutech
    0%

  • ENERGY STAR CC

    Custom Comfort
    100%
    Nutech
    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?

Custom Comfort

  1. 1CCOXHBSZ06HPwith ducted air handler CCOXHBSD06Custom Comfort0.5 tons · 6,500 Btu/h · DuctedCold-climate pick, score 93.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    98% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.41 (COP at 5°F)
    Top 10%
    Winter efficiency
    13.8 (HSPF2)
    Top 10%
    Cooling efficiency
    21.4 (SEER2)
    Top 10%
    Hot-day cooling
    14.4 (EER2)
    Top 10%
    95.0score / 100Heating 94 · Cooling 97
  2. 2CCOXHBSZ09HPwith ducted air handler CCOXHBSD09Custom Comfort1 ton · 9,000 Btu/h · DuctedCold-climate pick, score 79.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    120% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.85 (COP at 5°F)
    Below the middle
    Winter efficiency
    13.8 (HSPF2)
    Top 10%
    Cooling efficiency
    20.5 (SEER2)
    Top 10%
    Hot-day cooling
    14.0 (EER2)
    Top 10%
    86.5score / 100Heating 80 · Cooling 93
  3. 3CCOESBSZ09HPwith ducted air handler CCOXHBSD09Custom Comfort1 ton · 9,000 Btu/h · DuctedCold-climate pick, score 81.3Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    83% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.32 (COP at 5°F)
    Great
    Winter efficiency
    11.5 (HSPF2)
    Top 10%
    Cooling efficiency
    19.7 (SEER2)
    Great
    Hot-day cooling
    13.0 (EER2)
    Great
    80.8score / 100Heating 81 · Cooling 80

Nutech

  1. 1NOX230-09HFN10-M1with ducted air handler NTJ-09HWFN10-M1-DNutech1 ton · 9,000 Btu/h · DuctedCold-climate pick, score 81.3Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    83% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.32 (COP at 5°F)
    Great
    Winter efficiency
    11.5 (HSPF2)
    Top 10%
    Cooling efficiency
    19.7 (SEER2)
    Great
    Hot-day cooling
    13.0 (EER2)
    Great
    80.8score / 100Heating 81 · Cooling 80
  2. 2NOX430-18HFN10-M1with ducted air handler NTJ-18HWFN10-M1-DNutech1.5 tons · 17,500 Btu/h · DuctedCold-climate pick, score 69.8Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.41 (COP at 5°F)
    Top 10%
    Winter efficiency
    11.3 (HSPF2)
    Top 10%
    Cooling efficiency
    20.0 (SEER2)
    Great
    Hot-day cooling
    13.3 (EER2)
    Top 10%
    78.4score / 100Heating 70 · Cooling 87
  3. 3N3OX430-18HFN10-M1-DNutech1.5 tons · 18,000 Btu/h · DuctedCold-climate pick, score 72.6Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    77% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.30 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Great
    Cooling efficiency
    20.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Good
    74.1score / 100Heating 73 · Cooling 76

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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