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ECO AC vs PERFECTAIRE: heat pump ratings compared
Against heat pumps of the same size and type, a typical ECO AC model beats 59% and a typical PERFECTAIRE model 58%. ECO AC rates slightly higher overall.
Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated
ECO AC
59%
of similar heat pumps beaten by its typical model
Above average49 models listed
PERFECTAIRE
58%
of similar heat pumps beaten by its typical model
Above average36 models listed
- Efficiency on a 5°F dayCOP at 5°FECO AC: Beats 47%PERFECTAIRE: Beats 40%
- Heating power kept at 5°FCapacity at 5°F vs 47°FECO AC: Beats 61%PERFECTAIRE: Beats 63%
- Winter-long heating efficiencyHSPF2ECO AC: Beats 64%PERFECTAIRE: Beats 69%
- Summer-long cooling efficiencySEER2ECO AC: Beats 65%PERFECTAIRE: Beats 64%
- Hot-day cooling efficiencyEER2ECO AC: Beats 57%PERFECTAIRE: Beats 52%
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
- ECO AC
- 86%
- PERFECTAIRE
- 81%
Xcel CC
- ECO AC
- 74%
- PERFECTAIRE
- 67%
CEE Advanced
- ECO AC
- 0%
- PERFECTAIRE
- 0%
ENERGY STAR CC
- ECO AC
- 74%
- PERFECTAIRE
- 67%
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?
ECO AC
- 1EMH-3O27BBHECO AC2.5 tons · 28,000 Btu/h · DuctedCold-climate pick, score 66.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 89% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.5 (HSPF2)
- Great
- Cooling efficiency
- 20.0 (SEER2)
- Top 10%
- Hot-day cooling
- 11.7 (EER2)
- Good
- 2EMH-3O27BBECO AC2.5 tons · 28,000 Btu/h · DuctedCold-climate pick, score 57.4Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 71% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.83 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.2 (HSPF2)
- Good
- Cooling efficiency
- 21.0 (SEER2)
- Top 10%
- Hot-day cooling
- 11.7 (EER2)
- Good
- 3EMH-4O36BBHECO AC3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 63.7Meets none of the standards tracked here
- Heat kept at 5°F
- 89% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.70 (COP at 5°F)
- Below the middle
- Winter efficiency
- 10.0 (HSPF2)
- Top 10%
- Cooling efficiency
- 19.0 (SEER2)
- Great
- Hot-day cooling
- 11.7 (EER2)
- Good
PERFECTAIRE
- 13PAMS27-HH-MZO3PERFECTAIRE2.5 tons · 28,000 Btu/h · DuctedCold-climate pick, score 66.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 89% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.5 (HSPF2)
- Great
- Cooling efficiency
- 20.0 (SEER2)
- Top 10%
- Hot-day cooling
- 11.7 (EER2)
- Good
- 23PAMSH27-MZO3PERFECTAIREAlso listed as 3KARDA27MZ32.5 tons · 28,000 Btu/h · DuctedCold-climate pick, score 57.4Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 71% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.83 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.2 (HSPF2)
- Good
- Cooling efficiency
- 21.0 (SEER2)
- Top 10%
- Hot-day cooling
- 11.7 (EER2)
- Good
- 33PAMS36-HH-MZO4PERFECTAIRE3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 63.7Meets none of the standards tracked here
- Heat kept at 5°F
- 89% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.70 (COP at 5°F)
- Below the middle
- Winter efficiency
- 10.0 (HSPF2)
- Top 10%
- Cooling efficiency
- 19.0 (SEER2)
- Great
- Hot-day cooling
- 11.7 (EER2)
- Good
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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