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Black inline duct fan with black remote control. AC Infinity logo on fan and remote.
AC Infinity Cloudline S8 inline duct fan specs: 8" duct, 857 CFM, 38 dBA, 78W, with dimension callouts.
AC Infinity controller connected to various devices, controlled by a smartphone app displaying AI environment settings.
AC Infinity Cloudline S inline fan: PWM EC-motor, quiet & energy-efficient operation. Red and blue airflow visuals.
AC Infinity Cloudline S inline fan system for grow rooms, featuring EC motor, effortless airflow, and premium build.
AC Infinity fan speed controller with LED lights, PWM control, and backup memory.
Black inline duct fan with black remote control. AC Infinity logo on fan and remote.
AC Infinity Cloudline S8 inline duct fan specs: 8
AC Infinity controller connected to various devices, controlled by a smartphone app displaying AI environment settings.
AC Infinity Cloudline S inline fan: PWM EC-motor, quiet & energy-efficient operation. Red and blue airflow visuals.
AC Infinity Cloudline S inline fan system for grow rooms, featuring EC motor, effortless airflow, and premium build.
AC Infinity fan speed controller with LED lights, PWM control, and backup memory.

AC Infinity Cloudline S8 Inline Fan System w/ Speed Controller - 8" Duct

Official AC Infinity Dealer Model: AI-CLS8
$209.00$189.00$209.00
 $209.00
starting from 0% interest financing from /mo.

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Options:Pay in Four, Pay Monthly
Amount:Up to $1,500 (Pay in 4)
Up to $10,000 (Monthly)
Schedule:Bi-weekly to Monthly
Term:6 weeks, 12 or 24 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Schedule:Bi-weekly to Monthly
Term:6 weeks, 6 or 12 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Finance up to:$4,000
Must apply on a desktop device.
Schedule:Flexible
Term:Up to 36 months
Interest:Processing fee + interest
Lease-to-Own?Yes
Amount:$500 to $10,000
Looking to finance equipment under your corporation? Learn more about Business Financing
  • 857 CFM airflow moves strong volume through 8-inch ducting
  • 746 Pa static pressure maintains airflow through filters and long runs
  • 38 dBA noise level keeps operation quiet at low RPM
  • The AC Infinity Cloudline S8 is covered by a 2-year limited manufacturer warranty from the original date of purchase.
  • View More Details

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Call (360) 800-5535
  • Free Shipping On Most Items*To the lower 48
  • Transparent PricingBacked w/ price match guarantee
  • 4.8/5 Top Quality Store on Google
  • Secure CheckoutSSL encrypted payments

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THROUGH THE Cultivator's LENS Highlights

  • You are cooling a large grow room or tent because the space traps heat, humidity, and odor faster than a small fan can clear them.
  • You are pulling air through carbon filters and silencers because the unit has enough static pressure to keep airflow strong through high resistance.

  • The 10-speed controller has a single-button control with a circular readout and last-setting memory.
  • Dual ball bearings are rated for 67,000 hours and allow horizontal or vertical mounting.

  • Growers who automated their ventilation schedules say they stopped losing crops to stagnant air during overnight humidity spikes
  • Buyers who upgraded to the larger 8-inch system say their carbon filters finally run at full efficiency without choking airflow

AC Infinity Cloudline S8 Inline Fan System w/ Speed Controller - 8" Duct

Larger tents and grow rooms trap heat, humidity and odor faster than a small fan can clear them, especially once a carbon filter adds resistance. The AC Infinity Cloudline S8 moves 857 CFM through 8" ducting at 38 dBA, with 746 Pa of static pressure to keep air moving through filters, silencers and long duct runs.

A PWM-controlled EC motor drives a mixed-flow impeller with stator blades and dual hydrodynamic wind circles, delivering efficient airflow with low noise and heat in high-resistance setups. Use it to exhaust stale, odorous air, bring fresh air into a tent, move heated or cooled air between rooms, or cool AV closets. Dual ball bearings rated for 67,000 hours allow horizontal or vertical mounting. The IP44-rated housing resists dust and moisture, and the motor box detaches from the mounting frame for cleaning.

The included speed controller sets fan speed from 1 to 10 with a single button and remembers its last setting after a power outage. It's powered by the fan through the included 10 ft UIS cord. For climate- and schedule-based automation, connect the S8 to any UIS controller, such as the Smart Controller 69 Pro (sold separately), and run it with the rest of your AC Infinity equipment.

Features

AC Infinity Cloudline S8 8-inch inline duct fan
AC Infinity Cloudline S8 mixed-flow inline fan design
AC Infinity Cloudline S8 inline fan with 10-speed controller
AC Infinity Cloudline S8 inline fan for grow tent ventilation
🤫
Quiet PWM EC Motor

Runs at 38 dBA with smooth, efficient speed control down to very low RPM.

💨
857 CFM Mixed-Flow

746 Pa static pressure keeps airflow strong through filters and long duct runs.

🎛️
10-Speed Controller

Single-button speed control with a circular readout and last-setting memory.

📱
UIS™ Compatible

Connect to any UIS controller for temperature, humidity, and schedule automation.

⚙️
Dual Ball Bearings

Rated for 67,000 hours and mountable horizontally or vertically.

🔧
IP44 & Easy Cleaning

Dust- and moisture-resistant housing with a motor box that detaches for cleaning.

What's Included

  • 1x Cloudline S8 Inline Duct Fan
  • 1x Speed Controller
  • 1x UIS M-M Cord, 10 ft.
  • 2x Duct Clamps
  • 2x Hanging Straps
  • 4x Duct Fan Screw Sets
  • 4x Wall Anchors
  • 1x Wood Screw (Wall Mount)
  • 2x Controller Plate Bolts
  • 6x Wire Mounts
  • 1x Adhesive Wire Mount
  • 4x Hook and Loop Ties

Specifications

Specification Value
Duct Size 8"
Fan Dimensions 8.54 × 11.89 × 9.17 in. (21.7 × 30.2 × 23.3 cm)
Mounting Hole-to-Hole Distance 3.94 × 3.70 in. (10.0 × 9.4 cm)
Screw Hole Diameter 0.217 in. (0.55 cm)
Controller Dimensions 2.70 × 1.37 × 0.55 in. (6.9 × 3.5 × 1.4 cm)
Cord Length to Controller 120 in. (10 ft.)
Power Cord Length 96 in. (8 ft.)
Airflow 857 CFM
Noise 38 dBA
Static Pressure 746 Pa
Speed Settings 10
Max Power Draw 180 W
Average Power Usage 78 W
Voltage 100–240V AC
Frequency 50/60 Hz
Current 2.3 A
Power Connector Type US Plug (NEMA 5-15 Type B)
Ingress Protection IP44
Fan Bearings Dual Ball
Mounting Positions Horizontal or Vertical
Operating Humidity 35 to 85% RH
Operating Temperature 32 to 140°F
L10 Life Expectancy 67,000 Hours

Warranty

The AC Infinity Cloudline S8 is covered by a 2-year limited manufacturer warranty from the original date of purchase.

Frequently Asked Questions

What's the main difference between the Cloudline S-series and T-series fans? +

The fan unit is the same; the controller is the difference. The Cloudline S8 includes a 10-speed controller for manual speed setting, while the Cloudline T8 ships with a smart controller and sensor probe for temperature and humidity programming, timers and schedules.

How loud is the Cloudline S8? +

The Cloudline S8 is rated at 38 dBA, and its PWM-controlled EC motor runs smoothly at low speeds without motor hum. For even quieter operation, add an 8" Duct Silencer to your duct run.

How does the speed controller work? +

Each press of the single button raises the speed one level from 0 to 10, and pressing it at 10 cycles back to 0. Hold the button for 4 seconds to turn the fan off; press it again to resume at the last speed. The controller draws power from the fan through the included UIS cord.

Can I use this fan for applications other than grow tents? +

Yes. The Cloudline S8 also works for moving heated or cooled air between rooms, bringing fresh air into a space, ventilating workshops and basements, and cooling AV closets and equipment racks.

How do I install the Cloudline S8? +

Mount the fan horizontally or vertically using the included hanging straps or screw hardware, with the airflow arrow pointing toward your grow space for intake or away from it for exhaust. Connect 8" ducting with the included clamps, then plug in the fan and connect the controller with the UIS cord. For more details, see our guide on AC Infinity air filter kits.

What size carbon filter should I pair with this fan? +

Pair the Cloudline S8 with an 8" carbon filter, such as the AC Infinity 8" Duct Premium Carbon Filter, for a direct fit and matched airflow capacity. Complete the run with AC Infinity 8" Flexible Four-Layer Ducting.

Can I automate the Cloudline S8 with a smart controller? +

Yes. The S8 works with all AC Infinity UIS controllers for temperature, humidity and VPD triggers, schedules and app control. Note that EC-motor fans like the S8 cannot be daisy-chained with DC-motor models.

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