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WILLIS vs YITAHOME: heat pump ratings compared
Against heat pumps of the same size and type, a typical WILLIS model beats 63% and a typical YITAHOME model 37%. WILLIS rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
WILLIS
63%
of similar heat pumps beaten by its typical model
Well above average29 models listed
YITAHOME
37%
of similar heat pumps beaten by its typical model
Well below average30 models listed
- Efficiency on a 5°F dayCOP at 5°FWILLIS: Beats 44%YITAHOME: Beats 64%
- Heating power kept at 5°FCapacity at 5°F vs 47°FWILLIS: Beats 71%YITAHOME: Beats 15%
- Winter-long heating efficiencyHSPF2WILLIS: Beats 50%YITAHOME: Beats 27%
- Summer-long cooling efficiencySEER2WILLIS: Beats 69%YITAHOME: Beats 41%
- Hot-day cooling efficiencyEER2WILLIS: Beats 72%YITAHOME: Beats 31%
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
- WILLIS
- 97%
- YITAHOME
- 63%
Xcel CC
- WILLIS
- 97%
- YITAHOME
- 17%
CEE Advanced
- WILLIS
- 10%
- YITAHOME
- 0%
ENERGY STAR CC
- WILLIS
- 86%
- YITAHOME
- 0%
All-around best, ducted up to 1.5 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?
WILLIS
- 1PUHW09KR32-Owith ducted air handler WHEDT09KWILLIS1 ton · 9,100 Btu/h · DuctedCold-climate pick, score 69.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 90% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.14 (COP at 5°F)
- Great
- Winter efficiency
- 9.2 (HSPF2)
- Good
- Cooling efficiency
- 22.0 (SEER2)
- Top 10%
- Hot-day cooling
- 14.2 (EER2)
- Top 10%
- 2AUHW18KR32-Owith ducted air handler WHEDT18KWILLIS1.5 tons · 18,000 Btu/h · DuctedCold-climate pick, score 59.4Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 94% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.4 (HSPF2)
- Good
- Cooling efficiency
- 24.5 (SEER2)
- Top 10%
- Hot-day cooling
- 14.0 (EER2)
- Top 10%
- 3AUHW09KR32-Owith ducted air handler WHEDT09KWILLIS1 ton · 9,100 Btu/h · DuctedCold-climate pick, score 55.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 88% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.5 (HSPF2)
- Good
- Cooling efficiency
- 22.3 (SEER2)
- Top 10%
- Hot-day cooling
- 14.3 (EER2)
- Top 10%
YITAHOME
- 1YSAA12DN2AU-Wwith ducted air handler YSAA12DN2AU-NYITAHOMEAlso listed as YSAA12DL2AU-W, YSAA12DR2AU-W, YSAA12DH2AU-W, YSAA12DT2AU-W1 ton · 12,000 Btu/h · DuctedNot a cold-climate pick: keeps 54% of its heat at 5°FMeets CEE 2025, CEE 2026
- Heat kept at 5°F
- 54% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.05 (COP at 5°F)
- Good
- Winter efficiency
- 8.5 (HSPF2)
- Below the middle
- Cooling efficiency
- 20.0 (SEER2)
- Great
- Hot-day cooling
- 11.4 (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