Two ways to read the same certified data. Switch any time; your choice is remembered on this device.
AIR-CON vs DUOHOME: heat pump ratings compared
Against heat pumps of the same size and type, a typical AIR-CON model beats 55% and a typical DUOHOME model 52%. AIR-CON rates slightly higher overall.
Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated
AIR-CON
55%
of similar heat pumps beaten by its typical model
About average65 models listed
DUOHOME
52%
of similar heat pumps beaten by its typical model
About average22 models listed
- Efficiency on a 5°F dayCOP at 5°FAIR-CON: Beats 47%DUOHOME: Beats 51%
- Heating power kept at 5°FCapacity at 5°F vs 47°FAIR-CON: Beats 52%DUOHOME: Beats 38%
- Winter-long heating efficiencyHSPF2AIR-CON: Beats 46%DUOHOME: Beats 61%
- Summer-long cooling efficiencySEER2AIR-CON: Beats 54%DUOHOME: Beats 57%
- Hot-day cooling efficiencyEER2AIR-CON: Beats 50%DUOHOME: Beats 44%
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
- AIR-CON
- 55%
- DUOHOME
- 59%
Xcel CC
- AIR-CON
- 49%
- DUOHOME
- 27%
CEE Advanced
- AIR-CON
- 0%
- DUOHOME
- 0%
ENERGY STAR CC
- AIR-CON
- 39%
- DUOHOME
- 0%
Top cold-climate picks, ducted 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 Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?
AIR-CON
- 1ASLCI4H4S09with ducted air handler ASLEK4H4S09AIR-CON1 ton · 9,000 Btu/h · DuctedKeeps 71% of its heat at 5°FMeets 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
- 2.10 (COP at 5°F)
- Good
- Seasonal efficiency
- 9.0 (HSPF2)
- Below the middle
- 2ASLCI4H4S18with ducted air handler ASLEK4H4S18AIR-CON1.5 tons · 18,000 Btu/h · DuctedKeeps 72% of its heat at 5°FMeets 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
- 2.00 (COP at 5°F)
- Good
- Seasonal efficiency
- 9.5 (HSPF2)
- Good
- 3AMSCI4H4S18AIR-CON1.5 tons · 18,000 Btu/h · DuctedKeeps 89% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 89% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.84 (COP at 5°F)
- Below the middle
- Seasonal efficiency
- 9.4 (HSPF2)
- Good
DUOHOME
- 1D2OA-18HFN1-MDUOHOME1.5 tons · 18,000 Btu/h · DuctedKeeps 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
- 2.00 (COP at 5°F)
- Good
- Seasonal efficiency
- 9.8 (HSPF2)
- 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.
Open the advanced view