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AAON vs YONAN: heat pump ratings compared

Against heat pumps of the same size and type, a typical AAON model beats 34% and a typical YONAN model 51%. YONAN rates higher overall.

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

AAON

34%

of similar heat pumps beaten by its typical model

Well below average

28 models listed

YONAN

51%

of similar heat pumps beaten by its typical model

About average

27 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°FAAON: Beats 16%YONAN: Beats 66%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAAON: Beats 21%YONAN: Beats 44%
  • Winter-long heating efficiencyHSPF2AAON: Beats 34%YONAN: Beats 43%
  • Summer-long cooling efficiencySEER2AAON: Beats 45%YONAN: Beats 47%
  • Hot-day cooling efficiencyEER2AAON: Beats 83%YONAN: Beats 43%

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

    AAON
    0%
    YONAN
    63%

  • Xcel CC

    AAON
    0%
    YONAN
    63%

  • CEE Advanced

    AAON
    0%
    YONAN
    0%

  • ENERGY STAR CC

    AAON
    0%
    YONAN
    0%

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?

AAON

No ductless, up to 1.5 tons model from AAON.

YONAN

  1. 1YSA25-18HRDN8OUwith ductless indoor unit YSA25-18HRDN8INYONAN1.5 tons · 18,000 Btu/h · DuctlessKeeps 82% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    82% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.25 (COP at 5°F)
    Great
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    79.3score / 100
  2. 2YSAMO-18HRN1YONAN1.5 tons · 17,700 Btu/h · DuctlessKeeps 81% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    64.5score / 100
  3. 3YSA25-12HRDN8OUBwith ductless indoor unit YSA25-12HRDN8INBYONAN1 ton · 12,000 Btu/h · DuctlessKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    64.1score / 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