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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 average28 models listed
YONAN
51%
of similar heat pumps beaten by its typical model
About average27 models listed
- 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
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%
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?
AAON
No ductless, up to 1.5 tons model from AAON.
YONAN
- 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
- 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
- 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
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