Skip to content
Rebate.Blue

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 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?

Custom Comfort

  1. 1CCOXHBMZ536HPCustom Comfort3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 82.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    106% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.4 (HSPF2)
    Top 10%
    Cooling efficiency
    19.4 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Great
    83.6score / 100Heating 83 · Cooling 85
  2. 2CCOXHBSZ36CHPwith ducted air handler CCOXHBSD36Custom Comfort3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 83.2Meets 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
    2.10 (COP at 5°F)
    Great
    Winter efficiency
    11.1 (HSPF2)
    Top 10%
    Cooling efficiency
    17.7 (SEER2)
    Good
    Hot-day cooling
    12.0 (EER2)
    Great
    77.8score / 100Heating 83 · Cooling 72
  3. 3CCOXHBMZ427HPCustom Comfort2.5 tons · 28,000 Btu/h · DuctedCold-climate pick, score 72.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    96% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Great
    77.4score / 100Heating 73 · Cooling 82

Nutech

  1. 1N5OD30-36HFN10-M1D-DNutech3 tons · 35,000 Btu/h · DuctedCold-climate pick, score 60.6Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    9.2 (HSPF2)
    Good
    Cooling efficiency
    20.0 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    69.5score / 100Heating 61 · Cooling 79
  2. 2NOD30-36HFN10-M2with ducted air handler NTJ-36HWFN10-M2-DNutech3 tons · 36,000 Btu/h · DuctedNot a cold-climate pick: keeps 64% of its heat at 5°FMeets CEE 2025
    Heat kept at 5°F
    64% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Winter efficiency
    10.2 (HSPF2)
    Great
    Cooling efficiency
    18.7 (SEER2)
    Great
    Hot-day cooling
    10.1 (EER2)
    Below the middle
    58.0score / 100Heating 69 · Cooling 47
  3. 3NOD30-30HFN10-M3with ducted air handler NVBC-30HWFN10-MC3E-DNutech2.5 tons · 30,000 Btu/h · DuctedNot a cold-climate pick: keeps 61% of its heat at 5°FMeets CEE 2025
    Heat kept at 5°F
    62% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    8.5 (HSPF2)
    Good
    Cooling efficiency
    17.0 (SEER2)
    Good
    Hot-day cooling
    10.7 (EER2)
    Below the middle
    45.1score / 100Heating 49 · Cooling 41

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