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AIRDACH vs KERR: heat pump ratings compared
Against heat pumps of the same size and type, a typical AIRDACH model beats 57% and a typical KERR model 66%. KERR rates higher overall.
Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated
AIRDACH
57%
of similar heat pumps beaten by its typical model
Above average23 models listed
KERR
66%
of similar heat pumps beaten by its typical model
Well above average24 models listed
- Efficiency on a 5°F dayCOP at 5°FAIRDACH: Beats 47%KERR: Beats 49%
- Heating power kept at 5°FCapacity at 5°F vs 47°FAIRDACH: Beats 39%KERR: Beats 78%
- Winter-long heating efficiencyHSPF2AIRDACH: Beats 49%KERR: Beats 76%
- Summer-long cooling efficiencySEER2AIRDACH: Beats 54%KERR: Beats 68%
- Hot-day cooling efficiencyEER2AIRDACH: Beats 58%KERR: Beats 58%
Average (50%)Dashed outline: the other brand, for comparison
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Rebate standards
CEE 2025
- AIRDACH
- 39%
- KERR
- 83%
Xcel CC
- AIRDACH
- 22%
- KERR
- 79%
CEE Advanced
- AIRDACH
- 0%
- KERR
- 8%
ENERGY STAR CC
- AIRDACH
- 0%
- KERR
- 88%
Top cold-climate picks, ductless up to 1.5 tons
Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.
Showing Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?
AIRDACH
- 1ACSH1823VM2-Dwith ductless indoor unit AIWH1800VM2-DAIRDACH1.5 tons · 18,000 Btu/h · DuctlessKeeps 70% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 70% (Capacity at 5°F vs 47°F)
- Below the middle
- Efficiency at 5°F
- 2.38 (COP at 5°F)
- Top 10%
- Seasonal efficiency
- 10.3 (HSPF2)
- Great
- 2ACSH0924VM2-Dwith ductless indoor unit AICH0900VM1-DAIRDACH1 ton · 9,000 Btu/h · DuctlessKeeps 80% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 80% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.91 (COP at 5°F)
- Good
- Seasonal efficiency
- 10.0 (HSPF2)
- Good
- 3AMSH1800VM1-DAIRDACH1.5 tons · 18,000 Btu/h · DuctlessKeeps 74% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 74% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.86 (COP at 5°F)
- Below the middle
- Seasonal efficiency
- 10.2 (HSPF2)
- Good
KERR
- 1A-KMH06SV-1with ductless indoor unit B-KMH06SV-1KERR0.5 tons · 6,000 Btu/h · DuctlessKeeps 107% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 107% (Capacity at 5°F vs 47°F)
- Top 10%
- Efficiency at 5°F
- 2.09 (COP at 5°F)
- Great
- Seasonal efficiency
- 13.6 (HSPF2)
- Top 10%
- 2A-KMH12SV-1with ductless indoor unit B-KMH12FV-1KERR1 ton · 12,000 Btu/h · DuctlessKeeps 99% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 99% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.99 (COP at 5°F)
- Good
- Seasonal efficiency
- 10.7 (HSPF2)
- Great
- 3A-KMH09SV-1with ductless indoor unit B-KMH09SV-1KERR1 ton · 9,000 Btu/h · DuctlessKeeps 88% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 88% (Capacity at 5°F vs 47°F)
- Great
- Efficiency at 5°F
- 1.97 (COP at 5°F)
- Good
- Seasonal efficiency
- 11.5 (HSPF2)
- 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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