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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
Want ranks, distributions per size class and cold-weather curves? Switch to Advanced
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, 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?
AUX
- 1ASW-H18E3B2/*R3DI-D2with ductless indoor unit ASW-H18E3B2/*R3DI-D2AUXAlso listed as ASW-H18E3B2/**R3DI-D21.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 80.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR 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)
- Top 10%
- Winter efficiency
- 10.5 (HSPF2)
- Great
- Cooling efficiency
- 25.0 (SEER2)
- Great
- Hot-day cooling
- 14.0 (EER2)
- Great
- 2AMAR18HP230V1COwith ductless indoor unit AMAR18HP230V1CHAUX1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 78.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 85% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.21 (COP at 5°F)
- Great
- Winter efficiency
- 10.2 (HSPF2)
- Great
- Cooling efficiency
- 25.0 (SEER2)
- Great
- Hot-day cooling
- 14.0 (EER2)
- Great
- 3AMAR09HP115V1COwith ductless indoor unit AMAR09HP115V1CHAUX1 ton · 9,200 Btu/h · DuctlessCold-climate pick, score 69.9Meets 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
- 1.91 (COP at 5°F)
- Below the middle
- Winter efficiency
- 10.5 (HSPF2)
- Great
- Cooling efficiency
- 25.0 (SEER2)
- Great
- Hot-day cooling
- 14.0 (EER2)
- Great
Midea
- 137MAHAQ06AA3with ductless indoor unit D5MAHAQ06XA3MideaAlso sold as MDV MOX230-06HFN10-M1X; also listed as D5CSHAH06AAK0.5 tons · 6,000 Btu/h · DuctlessCold-climate pick, score 97.0Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
- Heat kept at 5°F
- 110% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.40 (COP at 5°F)
- Top 10%
- Winter efficiency
- 14.8 (HSPF2)
- Top 10%
- Cooling efficiency
- 25.7 (SEER2)
- Top 10%
- Hot-day cooling
- 18.0 (EER2)
- Top 10%
- 2MO1HS-H06B-2Awith ductless indoor unit MSEHU-H06B-2AMidea0.5 tons · 6,000 Btu/h · DuctlessCold-climate pick, score 97.0Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
- Heat kept at 5°F
- 110% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.40 (COP at 5°F)
- Top 10%
- Winter efficiency
- 14.8 (HSPF2)
- Top 10%
- Cooling efficiency
- 25.5 (SEER2)
- Top 10%
- Hot-day cooling
- 18.0 (EER2)
- Top 10%
- 3MOX230-06HFN10-M1with ductless indoor unit MSEPB-06HRFN10-M1Midea (sold as MDV)0.5 tons · 6,000 Btu/h · DuctlessCold-climate pick, score 97.7Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
- Heat kept at 5°F
- 138% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.41 (COP at 5°F)
- Top 10%
- Winter efficiency
- 12.5 (HSPF2)
- Top 10%
- Cooling efficiency
- 25.0 (SEER2)
- Great
- Hot-day cooling
- 18.1 (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
The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.
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