AUX vs York: heat pump ratings compared
Against heat pumps of the same size and type, a typical AUX model beats 49% and a typical York model 54%. York rates slightly higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
AUX
49%
of similar heat pumps beaten by its typical model
About average189 models listed
York
54%
of similar heat pumps beaten by its typical model
About average238 models listed
- Efficiency on a 5°F dayCOP at 5°FAUX: Beats 60%York: Beats 67%
- Heating power kept at 5°FCapacity at 5°F vs 47°FAUX: Beats 51%York: Beats 53%
- Winter-long heating efficiencyHSPF2AUX: Beats 40%York: Beats 45%
- Summer-long cooling efficiencySEER2AUX: Beats 48%York: Beats 40%
- Hot-day cooling efficiencyEER2AUX: Beats 39%York: Beats 58%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- AUX
- 68%
- York
- 54%
Xcel CC
- AUX
- 66%
- York
- 41%
CEE Advanced
- AUX
- 1%
- York
- 8%
ENERGY STAR CC
- AUX
- 35%
- York
- 35%
All-around best, ducted 2.5–3 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?
AUX
- 1ASUM36HPMULOAUX3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 66.2Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 94% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Below the middle
- Winter efficiency
- 10.0 (HSPF2)
- Great
- Cooling efficiency
- 21.5 (SEER2)
- Top 10%
- Hot-day cooling
- 12.5 (EER2)
- Top 10%
- 2ASPR30HPMULOAUX2.5 tons · 30,000 Btu/h · DuctedCold-climate pick, score 73.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 77% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Great
- Winter efficiency
- 9.5 (HSPF2)
- Great
- Cooling efficiency
- 20.0 (SEER2)
- Top 10%
- Hot-day cooling
- 12.0 (EER2)
- Great
- 3ASPR36HPMULOAUX3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 70.4Meets 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
- 2.10 (COP at 5°F)
- Great
- Winter efficiency
- 10.0 (HSPF2)
- Great
- Cooling efficiency
- 20.0 (SEER2)
- Top 10%
- Hot-day cooling
- 11.6 (EER2)
- Good
York
- 1YPAS30BUFASDQ1with ducted air handler YPPIMB30UFA1DQYork2.5 tons · 30,000 Btu/h · DuctedCold-climate pick, score 87.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 99% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Great
- Winter efficiency
- 10.8 (HSPF2)
- Top 10%
- Cooling efficiency
- 19.6 (SEER2)
- Top 10%
- Hot-day cooling
- 13.0 (EER2)
- Top 10%
- 2YPAS36BUFASDQ1with ducted air handler YPPIMB36UFA1DQYork3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 87.2Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 92% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.20 (COP at 5°F)
- Great
- Winter efficiency
- 10.6 (HSPF2)
- Top 10%
- Cooling efficiency
- 19.6 (SEER2)
- Top 10%
- Hot-day cooling
- 12.8 (EER2)
- Top 10%
- 3YPAS30BLFASDQ1with ducted air handler YPPIMB30UFA1DQYork2.5 tons · 30,000 Btu/h · DuctedCold-climate pick, score 87.2Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 98% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Great
- Winter efficiency
- 10.8 (HSPF2)
- Top 10%
- Cooling efficiency
- 19.0 (SEER2)
- Great
- Hot-day cooling
- 12.8 (EER2)
- Top 10%
These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.
Next steps
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