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Star Air Kontrol vs YONAN: heat pump ratings compared

Against heat pumps of the same size and type, a typical Star Air Kontrol model beats 56% and a typical YONAN model 51%. Star Air Kontrol rates higher overall.

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

Star Air Kontrol

56%

of similar heat pumps beaten by its typical model

Above average

51 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°FStar Air Kontrol: Beats 61%YONAN: Beats 66%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FStar Air Kontrol: Beats 46%YONAN: Beats 44%
  • Winter-long heating efficiencyHSPF2Star Air Kontrol: Beats 66%YONAN: Beats 43%
  • Summer-long cooling efficiencySEER2Star Air Kontrol: Beats 62%YONAN: Beats 47%
  • Hot-day cooling efficiencyEER2Star Air Kontrol: Beats 45%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

    Star Air Kontrol
    84%
    YONAN
    63%

  • Xcel CC

    Star Air Kontrol
    71%
    YONAN
    63%

  • CEE Advanced

    Star Air Kontrol
    2%
    YONAN
    0%

  • ENERGY STAR CC

    Star Air Kontrol
    49%
    YONAN
    0%

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

Star Air Kontrol

  1. 1SAK-24-CT2/220Vwith ductless indoor unit SAK-24-CT1/220VStar Air Kontrol2 tons · 24,000 Btu/h · DuctlessKeeps 74% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.30 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    73.7score / 100
  2. 2SAK-24-WM2/220Vwith ductless indoor unit SAK-24-WM1/220VStar Air Kontrol2 tons · 24,000 Btu/h · DuctlessKeeps 71% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.14 (COP at 5°F)
    Great
    Seasonal efficiency
    9.3 (HSPF2)
    Below the middle
    48.0score / 100
  3. 3SAK-27-TZ/220VStar Air Kontrol2 tons · 26,000 Btu/h · DuctlessKeeps 70% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    70% (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)
    Below the middle
    41.1score / 100

YONAN

  1. 1YSA22-24HRDN8OUwith ductless indoor unit YSA22-24HRDN8INYONAN2 tons · 23,000 Btu/h · DuctlessKeeps 87% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    87% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    77.5score / 100
  2. 2YSA25-24HRDN8OUwith ductless indoor unit YSA25-24HRDN8INYONAN2 tons · 22,400 Btu/h · DuctlessKeeps 85% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    85% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    77.4score / 100
  3. 3YSAMO-24HRN1YONAN2 tons · 24,000 Btu/h · DuctlessKeeps 90% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    67.5score / 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.

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