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ATK vs Ecoer: heat pump ratings compared

Against heat pumps of the same size and type, a typical ATK model beats 47% and a typical Ecoer model 70%. Ecoer rates higher overall.

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

ATK

47%

of similar heat pumps beaten by its typical model

About average

13 models listed

Ecoer

70%

of similar heat pumps beaten by its typical model

Well above average

13 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°FATK: Beats 51%Ecoer: Beats 74%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FATK: Beats 57%Ecoer: Beats 67%
  • Winter-long heating efficiencyHSPF2ATK: Beats 75%Ecoer: Beats 72%
  • Summer-long cooling efficiencySEER2ATK: Beats 44%Ecoer: Beats 74%
  • Hot-day cooling efficiencyEER2ATK: Beats 20%Ecoer: Beats 66%

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

    ATK
    54%
    Ecoer
    92%

  • Xcel CC

    ATK
    46%
    Ecoer
    100%

  • CEE Advanced

    ATK
    0%
    Ecoer
    0%

  • ENERGY STAR CC

    ATK
    0%
    Ecoer
    46%

Top cold-climate picks, ductless 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.

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

ATK

No ductless, up to 1.5 tons model from ATK.

Ecoer

No ductless, up to 1.5 tons model from Ecoer.

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