DUCTLESSAIRE vs LEO AIR: heat pump ratings compared
Against heat pumps of the same size and type, a typical DUCTLESSAIRE model beats 54% and a typical LEO AIR model 57%. LEO AIR rates slightly higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
DUCTLESSAIRE
54%
of similar heat pumps beaten by its typical model
About average16 models listed
LEO AIR
57%
of similar heat pumps beaten by its typical model
Above average16 models listed
- Efficiency on a 5°F dayCOP at 5°FDUCTLESSAIRE: Beats 64%LEO AIR: Beats 28%
- Heating power kept at 5°FCapacity at 5°F vs 47°FDUCTLESSAIRE: Beats 37%LEO AIR: Beats 53%
- Winter-long heating efficiencyHSPF2DUCTLESSAIRE: Beats 57%LEO AIR: Beats 57%
- Summer-long cooling efficiencySEER2DUCTLESSAIRE: Beats 62%LEO AIR: Beats 78%
- Hot-day cooling efficiencyEER2DUCTLESSAIRE: Beats 50%LEO AIR: Beats 57%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- DUCTLESSAIRE
- 81%
- LEO AIR
- 100%
Xcel CC
- DUCTLESSAIRE
- 75%
- LEO AIR
- 100%
CEE Advanced
- DUCTLESSAIRE
- 0%
- LEO AIR
- 0%
ENERGY STAR CC
- DUCTLESSAIRE
- 63%
- LEO AIR
- 0%
All-around best, ductless 2 tons
Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.
Showing Ductless, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?
DUCTLESSAIRE
- 1454-28-4Z-ODUCTLESSAIREAlso listed as DA27-4Z-O2 tons · 26,000 Btu/h · DuctlessCold-climate pick, score 41.1Meets 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
- 2.00 (COP at 5°F)
- Good
- Winter efficiency
- 9.5 (HSPF2)
- Below the middle
- Cooling efficiency
- 23.0 (SEER2)
- Great
- Hot-day cooling
- 12.2 (EER2)
- Good
- 2454-24-O-DAwith ductless indoor unit 454-24-I-DADUCTLESSAIRE2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 52.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 71% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.13 (COP at 5°F)
- Great
- Winter efficiency
- 9.5 (HSPF2)
- Below the middle
- Cooling efficiency
- 21.0 (SEER2)
- Below the middle
- Hot-day cooling
- 12.0 (EER2)
- Good
- 3454-24-O-KAwith ductless indoor unit 454-24-I-KADUCTLESSAIRE2 tons · 24,000 Btu/h · DuctlessNot a cold-climate pick: keeps 68% of its heat at 5°FMeets CEE 2025, CEE 2026
- Heat kept at 5°F
- 68% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.10 (COP at 5°F)
- Good
- Winter efficiency
- 9.5 (HSPF2)
- Below the middle
- Cooling efficiency
- 21.0 (SEER2)
- Below the middle
- Hot-day cooling
- 10.5 (EER2)
- Below the middle
LEO AIR
- 1LEO24K30S25V220H1*with ductless indoor unit LEO24K30S25V220H1LEO AIR2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 58.0Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 93% (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
- 22.5 (SEER2)
- Good
- Hot-day cooling
- 11.7 (EER2)
- Below the middle
- 2LEO24K30S24V220H1with ductless indoor unit LEO24K30S24V220H1LEO AIRAlso listed as LEO24K30S24V220H2, LEO9K30S25V220H1, LEO12K30S25V220H1, LEO18K30S25V220H1 and 1 more2 tons · 23,000 Btu/h · DuctlessCold-climate pick, score 36.7Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 74% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.5 (HSPF2)
- Below the middle
- Cooling efficiency
- 23.0 (SEER2)
- Great
- Hot-day cooling
- 11.7 (EER2)
- Below the middle
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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