AC Infinity CLOUDLINE S10 vs AC Infinity CLOUDLINE S12

Last updated: November 9, 2026

The AC Infinity CLOUDLINE S10 is the better inline duct fan overall, rated 2.7 to 2.6. The AC Infinity CLOUDLINE S10 leads on noise and airflow. The AC Infinity CLOUDLINE S12 wins on efficiency. The AC Infinity CLOUDLINE S10 costs $100 less ($279 vs $379).

Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.

AC Infinity CLOUDLINE S10 vs AC Infinity CLOUDLINE S12

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every 8 in and up inline duct fan; a clear win is highlighted. How we rank explains each one.

Factor weightAC Infinity CLOUDLINE S10AC Infinity CLOUDLINE S12
Overall rating2.7/52.6/5
Value 25%23 $23.23 per 100 CFM ($279, 1,201 CFM)22 $23.63 per 100 CFM ($379, 1,604 CFM)
Efficiency 25%19 4.7 CFM per watt (1,201 CFM, 255 W)38 6.4 CFM per watt (1,604 CFM, 250 W)
Airflow 15%80 1,201 CFM through 10 in duct72 1,604 CFM through 12 in duct
Noise 15%34 48 dBA at full speed0 62 dBA at full speed
Controls 10%40 speed controller included40 speed controller included
Warranty 10%25 2-year warranty25 2-year warranty

Specifications

AC Infinity CLOUDLINE S10AC Infinity CLOUDLINE S12
Performance
Duct size10 in12 in
Rated airflow1,201 CFM1,604 CFM
Static pressure (not scored)1,059 Pa818 Pa
Power at full speed255 W250 W
Power figureMax power drawMax power draw
Average power (not scored)136 W139 W
Airflow per watt4.7 CFM/W6.4 CFM/W
Price per 100 CFM$23.23$23.63
Noise at full speed48 dBA62 dBA
Controls
MotorECEC
Controller10-speed controller10-speed controller
Speeds1010
Temperature and humidity controlNoNo
Phone appNoNo
Timer or cycle modesNoNo
Build
HousingPlasticPlastic
Ingress ratingIP44IP44
Voltage100-240 V100-240 V
Warranty2 years2 years

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