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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 71% and a typical Panasonic model 68%. Custom Comfort rates slightly 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

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°FCustom Comfort: Beats 64%Panasonic: Beats 64%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCustom Comfort: Beats 71%Panasonic: Beats 72%
  • Winter-long heating efficiencyHSPF2Custom Comfort: Beats 84%Panasonic: Beats 80%
  • Summer-long cooling efficiencySEER2Custom Comfort: Beats 69%Panasonic: Beats 66%
  • Hot-day cooling efficiencyEER2Custom Comfort: Beats 67%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

    Custom Comfort
    96%
    Panasonic
    97%

  • Xcel CC

    Custom Comfort
    100%
    Panasonic
    90%

  • CEE Advanced

    Custom Comfort
    4%
    Panasonic
    21%

  • ENERGY STAR CC

    Custom Comfort
    100%
    Panasonic
    79%

Top cold-climate picks, ductless 5 tons and up

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.

Showing Ductless, 5 tons and up (57,000 Btu/h and up cooling). What size is my system?

Custom Comfort

No ductless, 5 tons and up model from Custom Comfort.

Panasonic

No ductless, 5 tons and up model from Panasonic.

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