EMI vs HAXXAIR: heat pump ratings compared
Against heat pumps of the same size and type, a typical EMI model beats 62% and a typical HAXXAIR model 71%. HAXXAIR rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
EMI
62%
of similar heat pumps beaten by its typical model
Well above average15 models listed
HAXXAIR
71%
of similar heat pumps beaten by its typical model
Well above average15 models listed
- Efficiency on a 5°F dayCOP at 5°FEMI: Beats 56%HAXXAIR: Beats 55%
- Heating power kept at 5°FCapacity at 5°F vs 47°FEMI: Beats 63%HAXXAIR: Beats 78%
- Winter-long heating efficiencyHSPF2EMI: Beats 69%HAXXAIR: Beats 69%
- Summer-long cooling efficiencySEER2EMI: Beats 61%HAXXAIR: Beats 78%
- Hot-day cooling efficiencyEER2EMI: Beats 60%HAXXAIR: Beats 73%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- EMI
- 87%
- HAXXAIR
- 100%
Xcel CC
- EMI
- 73%
- HAXXAIR
- 100%
CEE Advanced
- EMI
- 7%
- HAXXAIR
- 13%
ENERGY STAR CC
- EMI
- 73%
- HAXXAIR
- 100%
All-around best, ductless 2.5–3 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?
EMI
- 1EMXMZ436DAEMI3 tons · 36,000 Btu/h · DuctlessCold-climate pick, score 78.0Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 100% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.7 (HSPF2)
- Great
- Cooling efficiency
- 23.0 (SEER2)
- Great
- Hot-day cooling
- 13.0 (EER2)
- Great
- 2EMXMZ327DAEMI2.5 tons · 27,000 Btu/h · DuctlessCold-climate pick, score 72.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 100% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 10.5 (HSPF2)
- Great
- Cooling efficiency
- 23.0 (SEER2)
- Great
- Hot-day cooling
- 12.5 (EER2)
- Great
- 3ECOSZ130DAwith ductless indoor unit ECOWAL30DAEMI2.5 tons · 30,000 Btu/h · DuctlessNot a cold-climate pick: keeps 65% of its heat at 5°FMeets CEE 2025, CEE 2026
- Heat kept at 5°F
- 66% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 1.88 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.2 (HSPF2)
- Below the middle
- Cooling efficiency
- 20.0 (SEER2)
- Below the middle
- Hot-day cooling
- 11.0 (EER2)
- Below the middle
HAXXAIR
- 1HVHMZ-27V2DHAXXAIR2.5 tons · 27,000 Btu/h · DuctlessCold-climate pick, score 50.2Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 100% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Winter efficiency
- 10.0 (HSPF2)
- Good
- Cooling efficiency
- 23.0 (SEER2)
- Great
- Hot-day cooling
- 12.9 (EER2)
- Great
- 2HVHMZ-36V2DHAXXAIR3 tons · 36,000 Btu/h · DuctlessCold-climate pick, score 53.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 100% (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)
- Good
- Cooling efficiency
- 22.0 (SEER2)
- Good
- Hot-day cooling
- 12.9 (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
The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.
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