Move serious air without the serious noise. The AC Infinity CLOUDLINE S10 is a 10-inch inline duct fan engineered for growers, AV installers, and ventilation professionals who demand 1,201 CFM of airflow at just 48 dBA. Powered by a PWM-controlled EC motor with dual ball bearings and a 67,000-hour L10 life expectancy, the S10 delivers quiet, efficient, and reliable performance in grow tents, HVAC ducts, server rooms, and beyond — with a 10-speed wired controller and full UIS smart controller compatibility built in.
Why the AC Infinity CLOUDLINE S10
Most inline fans force you to choose between power and quiet operation. The CLOUDLINE S10 eliminates that trade-off with its advanced EC (electronically commutated) motor, controlled via PWM (Pulse Width Modulation) for ultra-smooth speed transitions down to extremely low RPMs — without the motor hum that plagues traditional AC fans. The mixed-flow impeller design with stator blade and hydrodynamic wind circles maintains strong airflow even in high-static-pressure duct runs where other fans struggle.
The S10 is IP44-rated for dust and moisture resistance, making it suitable for the humid, demanding conditions of a grow room or outdoor installation. The motor box detaches from the mounting frame for easy cleaning and maintenance, and backup memory retains your last speed setting through power interruptions. Whether you're running it standalone with the included 10-speed wired controller or integrating it into an AC Infinity UIS smart controller ecosystem for automated VPD-based programming, the S10 is built to grow with your setup.
Key Benefits
- 1,201 CFM High-Volume Airflow – Moves large volumes of air through 10-inch duct runs, suitable for grow tents, rooms, and commercial ventilation applications.
- Ultra-Quiet 48 dBA Operation – PWM-controlled EC motor runs smoothly at all speed levels without generating motor noise, even at very low RPMs.
- 10-Speed Wired Controller Included – Precise manual speed control with 10 discrete levels for dialing in the exact airflow and noise balance your environment requires.
- UIS Smart Controller Compatible – Integrates with AC Infinity's UIS ecosystem for automated programming based on temperature, humidity, VPD, and schedules.
- EC Motor with 67,000-Hour Life – Dual ball bearing EC motor delivers energy-efficient, long-life performance with minimal heat generation.
- IP44 Dust & Moisture Resistance – Rated for use in humid grow environments and harsh conditions where standard fans would degrade.
- Detachable Motor Box – Motor and impeller assembly separates from the mounting frame for straightforward cleaning and maintenance without full disassembly.
- Backup Memory – Retains the last speed setting after a power loss so your environment recovers automatically when power is restored.
- Universal Voltage – Operates on 100–240V AC / 50–60Hz for compatibility with US and international power systems.
- ETL, CE, RoHS, IC & SAA Certified – Meets major international safety and compliance standards for professional and residential installations.
Use Cases
- Grow Tent & Grow Room Ventilation – Exhaust heat, humidity, and CO₂ from large grow tents and rooms while maintaining negative pressure for odor control and fresh air exchange.
- Carbon Filter Scrubbing Systems – Pair with a 10-inch carbon filter to pull air through activated carbon for effective odor elimination in cannabis and botanical grow operations.
- HVAC Duct Boosting – Boost airflow in long or restrictive duct runs where HVAC systems underperform, improving heating and cooling distribution to specific rooms or zones.
- AV Equipment Room & Rack Cooling – Cool server rooms, AV closets, and equipment racks by exhausting heat buildup and circulating fresh air to protect sensitive electronics.
- Bathroom & Attic Exhaust – Replace undersized exhaust fans with the S10's high-CFM output for effective moisture and heat removal in bathrooms, attics, and utility spaces.
- Greenhouse & Commercial Horticulture – Maintain consistent airflow and temperature in greenhouse environments where reliable, quiet ventilation is critical to plant health and yield.
Directions for Use
- Mount the CLOUDLINE S10 inline within your 10-inch duct run, either horizontally or vertically, using the included mounting frame and hardware.
- Connect the fan's inlet to your duct source (grow tent port, duct booster location, or intake point) and the outlet to your exhaust or carbon filter.
- Plug the wired speed controller into the fan's controller port (10-foot cord) and the fan into a standard US outlet (8-foot power cord).
- Use the 10-speed controller to set your desired airflow level — start at a lower speed and increase until your target temperature, humidity, or airflow is achieved.
- For smart automation, connect to a compatible AC Infinity UIS controller (sold separately) to enable temperature, humidity, VPD, or schedule-based programming.
- To clean, detach the motor box from the mounting frame and wipe down the impeller and blades with a dry or lightly damp cloth.
- Do not exceed the operating temperature range of 32–140°F or operating humidity range of 35–85% RH.
What Growers Are Saying
"Running this in a 5x10 tent with a carbon filter and it handles the load effortlessly. Barely audible at speed 6 and the UIS integration with my CONTROLLER 69 PRO is a game changer."
— Marcus T., Commercial Grower
"Replaced a noisy AC fan with the S10 and the difference is night and day. Quieter, more efficient, and the 10-speed controller gives me exactly the control I need for my VPD targets."
— Sarah P., Greenhouse Grower
"Solid build quality and the IP44 rating gives me confidence in my humid grow environment. The backup memory is a small feature that makes a big difference when the power flickers."
— Daniel R., Home Grower
Frequently Asked Questions
What size grow tent or room is the CLOUDLINE S10 suitable for?
With 1,201 CFM of airflow, the S10 is well-suited for large grow tents (5x10 and larger) and grow rooms up to several hundred square feet, depending on your target air exchange rate. For smaller tents, consider a lower CFM CLOUDLINE model. For precise sizing, calculate your room volume and target air exchanges per hour.
Is the CLOUDLINE S10 compatible with AC Infinity smart controllers?
Yes — the S10 is compatible with all AC Infinity UIS smart controllers, including the CONTROLLER 69, CONTROLLER 69 PRO, and CONTROLLER 69 PRO+. Smart controllers enable automated speed adjustments based on temperature, humidity, VPD, and custom schedules. The included wired 10-speed controller is also fully functional as a standalone option.
What duct size does this fan require?
The CLOUDLINE S10 is designed for 10-inch duct connections. Ensure your duct run, carbon filter, and any duct adapters are sized for 10-inch diameter for proper fit and airflow performance.
How loud is the CLOUDLINE S10 at full speed?
At maximum speed, the S10 operates at 48 dBA — comparable to a quiet conversation. At lower speed settings, noise levels drop significantly, making it one of the quietest high-CFM inline fans available in its class.
Can this fan be mounted vertically as well as horizontally?
Yes — the CLOUDLINE S10 supports both horizontal and vertical mounting orientations, providing flexibility for various duct routing configurations and installation environments.
What certifications does the CLOUDLINE S10 carry?
The S10 is ETL, CE, RoHS, IC, and SAA certified, meeting major safety and compliance standards for use in the US, Canada, Europe, and Australia. Certification documents are available for download on this product page.
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