AUX vs Midea: heat pump ratings compared
Against heat pumps of the same size and type, a typical AUX model beats 49% and a typical Midea model 60%. Midea rates 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
Midea
60%
of similar heat pumps beaten by its typical model
Above average555 models listed
- Efficiency on a 5°F dayCOP at 5°FAUX: Beats 60%Midea: Beats 60%
- Heating power kept at 5°FCapacity at 5°F vs 47°FAUX: Beats 51%Midea: Beats 57%
- Winter-long heating efficiencyHSPF2AUX: Beats 40%Midea: Beats 66%
- Summer-long cooling efficiencySEER2AUX: Beats 48%Midea: Beats 61%
- Hot-day cooling efficiencyEER2AUX: Beats 39%Midea: Beats 55%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- AUX
- 68%
- Midea
- 75%
Xcel CC
- AUX
- 66%
- Midea
- 70%
CEE Advanced
- AUX
- 1%
- Midea
- 3%
ENERGY STAR CC
- AUX
- 35%
- Midea
- 64%
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). 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
Midea
- 1M4OD31-27HFN8-M1XDMidea (sold as MDV)2.5 tons · 28,000 Btu/h · DuctedCold-climate pick, score 90.4Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
- Heat kept at 5°F
- 100% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.20 (COP at 5°F)
- Great
- Winter efficiency
- 10.5 (HSPF2)
- Top 10%
- Cooling efficiency
- 20.0 (SEER2)
- Top 10%
- Hot-day cooling
- 12.3 (EER2)
- Top 10%
- 2D5CMHAH30EAKMideaAlso sold as MDV M5OX631-30HFN10-M1XD; also listed as 37MGHAQ30EA32.5 tons · 30,000 Btu/h · DuctedCold-climate pick, score 78.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 116% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 1.95 (COP at 5°F)
- Below the middle
- Winter efficiency
- 10.5 (HSPF2)
- Top 10%
- Cooling efficiency
- 19.5 (SEER2)
- Top 10%
- Hot-day cooling
- 12.5 (EER2)
- Top 10%
- 3D5CMHAH36EAKMideaAlso sold as MDV M5OX631-36HFN10-M1XD, MDV M5OX631-36HFN10-M1X; also listed as 37MGHAQ36EA33 tons · 36,000 Btu/h · DuctedCold-climate pick, score 83.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 106% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.5 (HSPF2)
- Top 10%
- Cooling efficiency
- 19.5 (SEER2)
- Top 10%
- Hot-day cooling
- 12.0 (EER2)
- Great
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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