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Airdach vs ForestAir: heat pump ratings compared
Against heat pumps of the same size and type, a typical Airdach model beats 40% and a typical ForestAir model 63%. ForestAir 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
ForestAir
63%
of similar heat pumps beaten by its typical model
Well above average33 models listed
- Efficiency on a 5°F dayCOP at 5°FAirdach: Beats 48%ForestAir: Beats 46%
- Heating power kept at 5°FCapacity at 5°F vs 47°FAirdach: Beats 34%ForestAir: Beats 59%
- Winter-long heating efficiencyHSPF2Airdach: Beats 28%ForestAir: Beats 64%
- Summer-long cooling efficiencySEER2Airdach: Beats 29%ForestAir: Beats 80%
- Hot-day cooling efficiencyEER2Airdach: Beats 49%ForestAir: Beats 61%
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%
- ForestAir
- 97%
Xcel CC
- Airdach
- 31%
- ForestAir
- 97%
CEE Advanced
- Airdach
- 0%
- ForestAir
- 3%
ENERGY STAR CC
- Airdach
- 0%
- ForestAir
- 42%
Top cold-climate picks, ductless 2 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, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?
Airdach
- 1ACSH2419VR1-D3with ductless indoor unit AIWH2400VR1-D3Airdach2 tons · 24,000 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
- 1.75 (COP at 5°F)
- Below the middle
- Seasonal efficiency
- 8.5 (HSPF2)
- Below the middle
ForestAir
- 1FA-H24-D24TL-O-454with ductless indoor unit FA-K24-D24TL-I-454ForestAir2 tons · 23,000 Btu/h · DuctlessKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 76% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.99 (COP at 5°F)
- Below the middle
- Seasonal efficiency
- 10.4 (HSPF2)
- Great
- 2FA-HY24-D24TL-O-454with ductless indoor unit FA-HY24-D24TL-I-454ForestAir2 tons · 24,000 Btu/h · DuctlessKeeps 93% of its heat at 5°FMeets 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
- Seasonal efficiency
- 10.0 (HSPF2)
- Good
- 3FA-H24-D24TL/O-454with ductless indoor unit FA-H24-D24TL/I-454ForestAir2 tons · 23,000 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
- 1.80 (COP at 5°F)
- Below the middle
- Seasonal efficiency
- 9.5 (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.
Open the advanced view