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Custom Comfort vs Panasonic: heat pump ratings compared

Against heat pumps of the same size and type, a typical Custom Comfort model beats 65% and a typical Panasonic model 47%. Custom Comfort rates higher overall.

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

Custom Comfort

65%

of similar heat pumps beaten by its typical model

Well above average

20 models listed

Panasonic

47%

of similar heat pumps beaten by its typical model

About average

36 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 50%Panasonic: Beats 40%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCustom Comfort: Beats 83%Panasonic: Beats 50%
  • Winter-long heating efficiencyHSPF2Custom Comfort: Beats 84%Panasonic: Beats 57%
  • Summer-long cooling efficiencySEER2Custom Comfort: Beats 65%Panasonic: Beats 48%
  • Hot-day cooling efficiencyEER2Custom Comfort: Beats 51%Panasonic: Beats 39%

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
    75%
    Panasonic
    53%
  • Xcel CC

    Custom Comfort
    85%
    Panasonic
    36%
  • CEE Advanced

    Custom Comfort
    5%
    Panasonic
    0%
  • ENERGY STAR CC

    Custom Comfort
    100%
    Panasonic
    36%

Top cold-climate picks, ducted up to 1.5 tons

Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.

Custom Comfort

  1. 1CCOXHASZ09HPwith ducted air handler CCOXHASD09Custom Comfort1 ton · 9,000 Btu/h · DuctedKeeps 108% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    108% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    12.0 (HSPF2)
    Top 10%
    74.9score / 100
  2. 2CCOXHASZ12HPwith ducted air handler CCOXHASD12Custom Comfort1 ton · 12,000 Btu/h · DuctedKeeps 97% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    97% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.96 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    65.4score / 100
  3. 3CCOXHA24V18HPwith ducted air handler CCOACC1824BCustom Comfort1.5 tons · 18,000 Btu/h · DuctedKeeps 79% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    79% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Seasonal efficiency
    9.5 (HSPF2)
    Good
    63.7score / 100

Panasonic

  1. 1CU-HE18YAHK6with ducted air handler CS-HE18YAC6Panasonic1.5 tons · 18,000 Btu/h · DuctedKeeps 79% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    79% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Seasonal efficiency
    9.5 (HSPF2)
    Good
    64.3score / 100
  2. 2CU-2E18SBU-5Panasonic1.5 tons · 16,700 Btu/h · DuctedKeeps 106% of its heat at 5°FMeets 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
    Seasonal efficiency
    8.8 (HSPF2)
    Below the middle
    61.0score / 100
  3. 3CU-3E19RBU-5Panasonic1.5 tons · 19,000 Btu/h · DuctedKeeps 99% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    99% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.85 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.8 (HSPF2)
    Below the middle
    46.9score / 100

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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