ADB vs Ovair: heat pump ratings compared
Against heat pumps of the same size and type, a typical ADB model beats 63% and a typical Ovair model 56%. ADB rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
ADB
63%
of similar heat pumps beaten by its typical model
Well above average4 models listed
Ovair
56%
of similar heat pumps beaten by its typical model
Above average4 models listed
- Efficiency on a 5°F dayCOP at 5°FADB: Beats 32%Ovair: Beats 39%
- Heating power kept at 5°FCapacity at 5°F vs 47°FADB: Beats 63%Ovair: Beats 37%
- Winter-long heating efficiencyHSPF2ADB: Beats 67%Ovair: Beats 55%
- Summer-long cooling efficiencySEER2ADB: Beats 84%Ovair: Beats 73%
- Hot-day cooling efficiencyEER2ADB: Beats 61%Ovair: Beats 64%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- ADB
- 100%
- Ovair
- 100%
Xcel CC
- ADB
- 100%
- Ovair
- 100%
CEE Advanced
- ADB
- 0%
- Ovair
- 0%
ENERGY STAR CC
- ADB
- 100%
- Ovair
- 0%
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?
ADB
- 1DBED-T12IH3A1-E*with ductless indoor unit DBED-T12IH3A1-IADBAlso listed as DBED-T12IH3A2-E1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 51.0Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 83% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Winter efficiency
- 10.0 (HSPF2)
- Good
- Cooling efficiency
- 25.0 (SEER2)
- Great
- Hot-day cooling
- 13.0 (EER2)
- Good
- 2DBED-T18IH3A2-E*with ductless indoor unit DBED-T18IH3A2-IADB1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 51.0Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 83% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Winter efficiency
- 10.0 (HSPF2)
- Good
- Cooling efficiency
- 24.0 (SEER2)
- Great
- Hot-day cooling
- 12.0 (EER2)
- Below the middle
Ovair
- 1SL12000Owith ductless indoor unit SL12000IOvair1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 58.9Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 72% (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)
- Good
- Cooling efficiency
- 23.0 (SEER2)
- Good
- Hot-day cooling
- 13.0 (EER2)
- Good
- 2SL9000Owith ductless indoor unit SL9000IOvair1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 39.5Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 71% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 1.90 (COP at 5°F)
- Below the middle
- Winter efficiency
- 9.5 (HSPF2)
- Below the middle
- Cooling efficiency
- 23.0 (SEER2)
- Good
- Hot-day cooling
- 13.0 (EER2)
- Good
- 3SL18000Owith ductless indoor unit SL18000IOvair1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 39.1Meets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 72% (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
- 10.0 (HSPF2)
- Good
- Cooling efficiency
- 23.0 (SEER2)
- Good
- Hot-day cooling
- 12.5 (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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