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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 47% and a typical York model 51%. York rates slightly higher overall.

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

ACIQ

47%

of similar heat pumps beaten by its typical model

About average

161 models listed

York

51%

of similar heat pumps beaten by its typical model

About average

179 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 48%York: Beats 69%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FACIQ: Beats 43%York: Beats 50%
  • Winter-long heating efficiencyHSPF2ACIQ: Beats 44%York: Beats 37%
  • Summer-long cooling efficiencySEER2ACIQ: Beats 45%York: Beats 38%
  • Hot-day cooling efficiencyEER2ACIQ: Beats 50%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
    41%
    York
    26%

  • Xcel CC

    ACIQ
    32%
    York
    26%

  • CEE Advanced

    ACIQ
    1%
    York
    1%

  • ENERGY STAR CC

    ACIQ
    19%
    York
    2%

Top cold-climate picks, ducted 2 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, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

ACIQ

  1. 1ACIQ-24ZPL-HP230Bwith ducted air handler ACIQ-24CD-HH-MBACIQ2 tons · 24,000 Btu/h · DuctedKeeps 108% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    108% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Top 10%
    79.4score / 100
  2. 2ACIQ-24-EHPBwith ducted air handler DM24E34+TDRACIQ2 tons · 22,600 Btu/h · DuctedKeeps 87% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    87% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Good
    Seasonal efficiency
    9.6 (HSPF2)
    Great
    75.0score / 100
  3. 3ACIQ-24-HPBwith ducted air handler ACIQ-24W-WMACIQ2 tons · 24,000 Btu/h · DuctedKeeps 92% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    92% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Top 10%
    73.1score / 100

York

  1. 1THE2B24T21with ducted air handler AX242BTAYork (sold as Luxaire)2 tons · 23,600 Btu/h · DuctedKeeps 101% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    101% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.16 (COP at 5°F)
    Good
    Seasonal efficiency
    7.5 (HSPF2)
    Below the middle
    60.6score / 100
  2. 2YZT24B21with ducted air handler AE(D,N,U)+CM36B34+TDRYork2 tons · 21,600 Btu/h · DuctedKeeps 71% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    3.01 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    7.9 (HSPF2)
    Below the middle
    59.5score / 100
  3. 3YMSJYH024BAAND-1with ducted air handler YMSJXH024BAAN--5York2 tons · 24,000 Btu/h · DuctedKeeps 73% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    73% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    9.5 (HSPF2)
    Great
    58.0score / 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