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Nutech vs Panasonic: heat pump ratings compared

Against heat pumps of the same size and type, a typical Nutech model beats 54% and a typical Panasonic model 68%. Panasonic rates higher overall.

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

Nutech

54%

of similar heat pumps beaten by its typical model

About average

28 models listed

Panasonic

68%

of similar heat pumps beaten by its typical model

Well above average

29 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°FNutech: Beats 58%Panasonic: Beats 64%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FNutech: Beats 42%Panasonic: Beats 72%
  • Winter-long heating efficiencyHSPF2Nutech: Beats 60%Panasonic: Beats 80%
  • Summer-long cooling efficiencySEER2Nutech: Beats 64%Panasonic: Beats 66%
  • Hot-day cooling efficiencyEER2Nutech: Beats 43%Panasonic: Beats 62%

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

    Nutech
    86%
    Panasonic
    97%

  • Xcel CC

    Nutech
    61%
    Panasonic
    90%

  • CEE Advanced

    Nutech
    0%
    Panasonic
    21%

  • ENERGY STAR CC

    Nutech
    0%
    Panasonic
    79%

All-around best, ductless up to 1.5 tons

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.

Showing Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

Nutech

  1. 1N3OX430-18HFN10-M1-DNutech1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 65.6Meets 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
    2.20 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    23.0 (SEER2)
    Good
    Hot-day cooling
    12.5 (EER2)
    Good
    62.1score / 100Heating 60 · Cooling 64
  2. 2NOX230-09HFN10-230with ductless indoor unit NSAG11A-09HRFN10-230Nutech1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 39.4Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.99 (COP at 5°F)
    Good
    Winter efficiency
    9.4 (HSPF2)
    Below the middle
    Cooling efficiency
    21.6 (SEER2)
    Good
    Hot-day cooling
    12.6 (EER2)
    Good
    49.2score / 100Heating 39 · Cooling 59
  3. 3NOX230-09HFN10-115with ductless indoor unit NSAG11A-09HRFN10-115Nutech1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 34.7Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.95 (COP at 5°F)
    Good
    Winter efficiency
    9.0 (HSPF2)
    Below the middle
    Cooling efficiency
    21.5 (SEER2)
    Good
    Hot-day cooling
    12.5 (EER2)
    Good
    44.9score / 100Heating 35 · Cooling 55

Panasonic

  1. 1CU-XZ9AKUACwith ductless indoor unit CS-XZ9AKUAWPanasonic0.5 tons · 8,700 Btu/h · DuctlessCold-climate pick, score 94.9Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    134% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.32 (COP at 5°F)
    Top 10%
    Winter efficiency
    12.0 (HSPF2)
    Top 10%
    Cooling efficiency
    27.5 (SEER2)
    Top 10%
    Hot-day cooling
    16.4 (EER2)
    Top 10%
    95.9score / 100Heating 95 · Cooling 97
  2. 2CU-XZ12AKUACwith ductless indoor unit CS-XZ12AKUAWPanasonic1 ton · 11,500 Btu/h · DuctlessCold-climate pick, score 90.0Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    119% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.11 (COP at 5°F)
    Great
    Winter efficiency
    11.7 (HSPF2)
    Top 10%
    Cooling efficiency
    25.0 (SEER2)
    Great
    Hot-day cooling
    14.4 (EER2)
    Great
    89.2score / 100Heating 90 · Cooling 88
  3. 3CU-YM9CBUCwith ductless indoor unit CS-YM9CKUWPanasonic1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 85.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    82% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.33 (COP at 5°F)
    Top 10%
    Winter efficiency
    13.0 (HSPF2)
    Top 10%
    Cooling efficiency
    24.6 (SEER2)
    Great
    Hot-day cooling
    14.7 (EER2)
    Top 10%
    86.7score / 100Heating 86 · Cooling 87

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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