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ACIQ vs York: heat pump ratings compared

Against heat pumps of the same size and type, a typical ACIQ model beats 50% and a typical York model 54%. York rates slightly higher overall.

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

ACIQ

50%

of similar heat pumps beaten by its typical model

About average

175 models listed

York

54%

of similar heat pumps beaten by its typical model

About average

229 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°FACIQ: Beats 55%York: Beats 67%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FACIQ: Beats 43%York: Beats 51%
  • Winter-long heating efficiencyHSPF2ACIQ: Beats 52%York: Beats 44%
  • Summer-long cooling efficiencySEER2ACIQ: Beats 49%York: Beats 40%
  • Hot-day cooling efficiencyEER2ACIQ: Beats 52%York: Beats 57%

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

    ACIQ
    55%
    York
    53%

  • Xcel CC

    ACIQ
    46%
    York
    39%

  • CEE Advanced

    ACIQ
    2%
    York
    8%

  • ENERGY STAR CC

    ACIQ
    34%
    York
    35%

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?

ACIQ

None of ACIQ’s ductless, 5 tons and up models qualifies.

York

No ductless, 5 tons and up model from York.

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