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Comfort Temps vs PolarWave: heat pump ratings compared

Against heat pumps of the same size and type, a typical Comfort Temps model beats 49% and a typical PolarWave model 51%. PolarWave rates slightly higher overall.

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

Comfort Temps

49%

of similar heat pumps beaten by its typical model

About average

20 models listed

PolarWave

51%

of similar heat pumps beaten by its typical model

About average

20 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°FComfort Temps: Beats 37%PolarWave: Beats 52%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FComfort Temps: Beats 38%PolarWave: Beats 44%
  • Winter-long heating efficiencyHSPF2Comfort Temps: Beats 53%PolarWave: Beats 58%
  • Summer-long cooling efficiencySEER2Comfort Temps: Beats 59%PolarWave: Beats 57%
  • Hot-day cooling efficiencyEER2Comfort Temps: Beats 52%PolarWave: Beats 42%

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

    Comfort Temps
    100%
    PolarWave
    75%

  • Xcel CC

    Comfort Temps
    90%
    PolarWave
    65%

  • CEE Advanced

    Comfort Temps
    0%
    PolarWave
    0%

  • ENERGY STAR CC

    Comfort Temps
    60%
    PolarWave
    70%

Top cold-climate picks, ductless 2.5–3 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.

Showing Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

Comfort Temps

No ductless, 2.5–3 tons model from Comfort Temps.

PolarWave

  1. 1EZ-36Z-M4BPolarWave3 tons · 34,000 Btu/h · DuctlessKeeps 70% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    9.9 (HSPF2)
    Below the middle
    41.3score / 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.

Open the advanced view