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Airdach vs Nutech: heat pump ratings compared
Against heat pumps of the same size and type, a typical Airdach model beats 40% and a typical Nutech model 54%. Nutech rates higher overall.
Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated
Airdach
40%
of similar heat pumps beaten by its typical model
Below average29 models listed
Nutech
54%
of similar heat pumps beaten by its typical model
About average28 models listed
- Efficiency on a 5°F dayCOP at 5°FAirdach: Beats 48%Nutech: Beats 58%
- Heating power kept at 5°FCapacity at 5°F vs 47°FAirdach: Beats 34%Nutech: Beats 42%
- Winter-long heating efficiencyHSPF2Airdach: Beats 28%Nutech: Beats 60%
- Summer-long cooling efficiencySEER2Airdach: Beats 29%Nutech: Beats 64%
- Hot-day cooling efficiencyEER2Airdach: Beats 49%Nutech: Beats 43%
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
- Airdach
- 24%
- Nutech
- 86%
Xcel CC
- Airdach
- 31%
- Nutech
- 61%
CEE Advanced
- Airdach
- 0%
- Nutech
- 0%
ENERGY STAR CC
- Airdach
- 0%
- Nutech
- 0%
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
- 1ACSH0920VR1-D3with ductless indoor unit AIWH0900VR1-D3Airdach1 ton · 9,100 Btu/h · DuctlessKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 76% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.94 (COP at 5°F)
- Below the middle
- Seasonal efficiency
- 8.8 (HSPF2)
- Below the middle
- 2ACSH0920VR1-A3with ductless indoor unit AIWH0900VR1-A3Airdach1 ton · 9,100 Btu/h · DuctlessKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
- Heat kept at 5°F
- 76% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.86 (COP at 5°F)
- Below the middle
- Seasonal efficiency
- 8.8 (HSPF2)
- Below the middle
- 3ACSH1219VR1-D3with ductless indoor unit AIWH1200VR1-D3Airdach1 ton · 12,000 Btu/h · DuctlessKeeps 76% of its heat at 5°FMeets Xcel CC
- Heat kept at 5°F
- 76% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Seasonal efficiency
- 8.5 (HSPF2)
- Below the middle
Nutech
- 1N3OX430-18HFN10-M1-DNutech1.5 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)
- Below the middle
- Efficiency at 5°F
- 2.25 (COP at 5°F)
- Great
- Seasonal efficiency
- 10.0 (HSPF2)
- Good
- 2NOX230-09HFN10-230with ductless indoor unit NSAG11A-09HRFN10-230Nutech1 ton · 9,000 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
- 1.99 (COP at 5°F)
- Good
- Seasonal efficiency
- 9.4 (HSPF2)
- Below the middle
- 3NOX230-09HFN10-115with ductless indoor unit NSAG11A-09HRFN10-115Nutech1 ton · 9,000 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
- 1.95 (COP at 5°F)
- Good
- Seasonal efficiency
- 9.0 (HSPF2)
- 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
The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.
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