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ACC vs ThinkAir: heat pump ratings compared

One of these brands has too few models with every rating for an overall score; see each rating below.

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

ACC

55%

of similar heat pumps beaten by its typical model

About average

4 models listed

ThinkAir

—

of similar heat pumps beaten by its typical model

Not enough rated models

4 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°FACC: Beats 67%ThinkAir: Not rated
  • Heating power kept at 5°FCapacity at 5°F vs 47°FACC: Beats 77%ThinkAir: Not rated
  • Winter-long heating efficiencyHSPF2ACC: Beats 55%ThinkAir: Beats 10%
  • Summer-long cooling efficiencySEER2ACC: Beats 32%ThinkAir: Beats 6%
  • Hot-day cooling efficiencyEER2ACC: Beats 12%ThinkAir: Beats 1%

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

    ACC
    0%
    ThinkAir
    0%

  • Xcel CC

    ACC
    0%
    ThinkAir
    0%

  • CEE Advanced

    ACC
    0%
    ThinkAir
    0%

  • ENERGY STAR CC

    ACC
    0%
    ThinkAir
    0%

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.

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

ACC

No ducted, up to 1.5 tons model from ACC.

ThinkAir

No ducted, up to 1.5 tons model from ThinkAir.

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