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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%

All-around best, ductless up to 1.5 tons

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.

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

Star Air Kontrol

  1. 1SAK-06-OCT2/220Vwith ductless indoor unit SAK-06-OCT1/220VStar Air Kontrol0.5 tons · 6,500 Btu/h · DuctlessCold-climate pick, score 94.4Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    109% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.40 (COP at 5°F)
    Top 10%
    Winter efficiency
    12.0 (HSPF2)
    Top 10%
    Cooling efficiency
    22.0 (SEER2)
    Good
    Hot-day cooling
    15.0 (EER2)
    Top 10%
    85.0score / 100Heating 94 · Cooling 76
  2. 2SAK-09-CT2/220Vwith ductless indoor unit SAK-09-CT1/220VStar Air Kontrol1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 80.3Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    83% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.17 (COP at 5°F)
    Great
    Winter efficiency
    11.3 (HSPF2)
    Great
    Cooling efficiency
    21.6 (SEER2)
    Good
    Hot-day cooling
    14.3 (EER2)
    Great
    75.6score / 100Heating 80 · Cooling 71
  3. 3SAK-09-OCT2/220Vwith ductless indoor unit SAK-09-OCT1/220VStar Air Kontrol1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 71.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    73% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.17 (COP at 5°F)
    Great
    Winter efficiency
    11.8 (HSPF2)
    Top 10%
    Cooling efficiency
    22.1 (SEER2)
    Good
    Hot-day cooling
    14.4 (EER2)
    Great
    72.9score / 100Heating 71 · Cooling 75

YONAN

  1. 1YSA25-18HRDN8OUwith ductless indoor unit YSA25-18HRDN8INYONAN1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 79.3Meets 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
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    25.0 (SEER2)
    Great
    Hot-day cooling
    14.0 (EER2)
    Great
    83.0score / 100Heating 79 · Cooling 87
  2. 2YSA25-12HRDN8OUBwith ductless indoor unit YSA25-12HRDN8INBYONAN1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 64.1Meets 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
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    24.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Below the middle
    62.8score / 100Heating 64 · Cooling 62
  3. 3YSA25-12HRDN8OUwith ductless indoor unit YSA25-12HRDN8INYONAN1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 60.0Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    24.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Below the middle
    60.7score / 100Heating 60 · Cooling 62

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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