Two ways to read the same certified data. Switch any time; your choice is remembered on this device.
CIAC vs Conforto: heat pump ratings compared
Against heat pumps of the same size and type, a typical CIAC model beats 50% and a typical Conforto model 58%. Conforto rates higher overall.
Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated
CIAC
50%
of similar heat pumps beaten by its typical model
About average21 models listed
Conforto
58%
of similar heat pumps beaten by its typical model
Above average21 models listed
- Efficiency on a 5°F dayCOP at 5°FCIAC: Beats 64%Conforto: Beats 49%
- Heating power kept at 5°FCapacity at 5°F vs 47°FCIAC: Beats 37%Conforto: Beats 67%
- Winter-long heating efficiencyHSPF2CIAC: Beats 54%Conforto: Beats 70%
- Summer-long cooling efficiencySEER2CIAC: Beats 45%Conforto: Beats 59%
- Hot-day cooling efficiencyEER2CIAC: Beats 39%Conforto: Beats 50%
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
- CIAC
- 48%
- Conforto
- 71%
Xcel CC
- CIAC
- 24%
- Conforto
- 67%
CEE Advanced
- CIAC
- 0%
- Conforto
- 0%
ENERGY STAR CC
- CIAC
- 0%
- Conforto
- 76%
Top cold-climate picks, ducted 2.5–3 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, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?
CIAC
None of CIAC’s ducted, 2.5–3 tons models qualifies.
Conforto
- 1MHSD136DACFCwith ducted air handler MHCO37DACFCConforto3 tons · 35,000 Btu/h · DuctedKeeps 82% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 82% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 2.00 (COP at 5°F)
- Good
- Seasonal efficiency
- 10.0 (HSPF2)
- Top 10%
- 2MHSD130DACFCwith ducted air handler MHCO36DACFCConforto2.5 tons · 30,000 Btu/h · DuctedKeeps 82% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
- Heat kept at 5°F
- 82% (Capacity at 5°F vs 47°F)
- Good
- Efficiency at 5°F
- 1.85 (COP at 5°F)
- Below the middle
- Seasonal efficiency
- 9.7 (HSPF2)
- Great
- 3MHMZ327DAConforto2.5 tons · 28,000 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)
- Great
- Efficiency at 5°F
- 1.80 (COP at 5°F)
- Below the middle
- Seasonal efficiency
- 9.5 (HSPF2)
- Great
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