CLOUDLINE S4, Quiet 4” Inline Duct Fan with Speed Controller, EC Motor - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics
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- Designed to ventilate grow tents, transfer heating/cooling to rooms, circulate air, exhaust odors, and cool AV racks.
- Features an 8-speed manual controller utilizing PWM. See T-Series for temperature and humidity controls.
- Mixed flow design combined with an EC-powered motor for a truly quiet and energy efficient performance.
- Kit also includes corded AC power adapter, installation manual, and all necessary mounting hardware.
- Duct Size: 4” | Dimensions: 6.9 x 11.9 x 7.4 in. | Airflow: 205 CFM | Noise: 28 dBA | Bearings: Dual Ball
Product Description
Product Description
A smart inline duct fan designed to quietly ventilate hydroponic grow rooms, boost heating/cooling to rooms, circulate fresh air, exhaust projects, and cool AV closets. Featuring an inline mixed-flow design, the duct fan can maintain airflow even in high static pressure applications. Contains an EC-motor with PWM-control for quiet and energy-efficient performance. The motor box containing the fan’s impeller and blades can be detached from the mounted frame for easy cleaning and maintenance. Includes a smart controller with dynamic climate and time-based programming, and can connect to one additional fan. The complete kit includes one duct fan unit, one thermal controller, one corded thermal probe, two duct clamps, an installation manual, and mounting hardware.
Precise Speed Controller
The inline speed controller enables you to set the duct fan’s speed to optimal noise and airflow levels for various environments. Unlike common AC-powered duct fans that suppress voltage to control fan speeds, this duct fan features an EC-motor that is precisely controlled using PWM (Pulse Width Modulation). This technology enables the fan's motor to be able to run smoothly at extremely low RPM speeds without generating motor noises and heat as seen on variable voltage controllers. Eight speed options are available with a power switch, and backup memory.
CLOUDLINE Series
An inline duct fan designed to quietly ventilate grow tents, boost heating/cooling to rooms, circulate fresh air, exhaust projects, and cool AV closets.
A Quieter and Smarter Inline Fan
The CLOUDLINE series contains a cutting-edge Electronically Commutated (EC) motor, controlled using precise electronic pulses and smart programming. This enables the inline fan to operate considerably quieter and reach low speeds without generating noise or heat. The EC motor is also twice as energy-efficient and can save up to 40% in energy costs, paying for itself in the long run.
Key Features
Smart ProgrammingT-series models include a dynamic temperature and humidity controller with timers, cycles, scheduling, and Bluetooth App control. | Quiet PWM MotorEach fan uses a quiet, energy-efficient EC motor controlled using Pulse Width Modulation (PWM). Dual ball bearings allow for omnidirectional mounting. | Mixed-Flow DesignFeaturing a mixed flow design, the fans maintain peak performance in high static pressure environments. Ingress-protected against dust and liquids. | Plug and PlayThe complete kit includes the inline fan unit, controller, user manual, and everything needed to mount the fan and power it through an outlet. |
Connecting Additional Units
CLOUDLINE 4-SeriesA CLOUDLINE T4 plus CLOUDLINE S4 system can be linked to the same smart controller, and used in conjunction for a total of 410 CFM airflow. This set-up is ideal for ventilating smaller grow tents and cooling AV rack cabinets. | CLOUDLINE 6-SeriesA CLOUDLINE T6 plus CLOUDLINE S6 system can be linked to the same smart controller, and used in conjunction for a total of 804 CFM airflow. This set-up is ideal for large grow tents, AV closet cooling, and boosting airflow for HVAC projects. | MIX and MATCHThe same controller can connect CLOUDLINE fans of different sizes, to share the same programming. For example, an exhausting CLOUDLINE T6 with a filter can share the same controller as an intaking CLOUDLINE S4, to balance static pressure. |
| Model | AI-CLS4 | AI-CLT4 | AI-CLS6 | AI-CLT6 | AI-CLS8 | AI-CLT8 |
|---|---|---|---|---|---|---|
| Duct Opening Size | 4" | 4" | 6" | 6" | 8" | 8" |
| Airflow | 205 CFM | 205 CFM | 402 CFM | 402 CFM | 807 CFM | 807 CFM |
| Noise | 28 dBA | 28 dBA | 32 dBA | 32 dBA | 39 dBA | 39 dBA |
| Power Usage | 21 W | 21 W | 38 W | 38 W | 78 W | 78 W |
| Controller | Precise inline speed controller with eight speeds, easy on/off, and power cycle memory. | Dynamic temperature and humidity programming with timers, cycles, scheduling, max/min speed, and Bluetooth app control | Precise inline speed controller with eight speeds, easy on/off, and power cycle memory. | Dynamic temperature and humidity programming with timers, cycles, scheduling, max/min speed, and Bluetooth app control | Precise inline speed controller with eight speeds, easy on/off, and power cycle memory. | Dynamic temperature and humidity programming with timers, cycles, scheduling, max/min speed, and Bluetooth app control |
| EC motor with PWM-control for a quiet and energy efficient performance | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Mixed flow design utilizing stator blades for high static pressure environments. | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Includes everything needed to mount the inline fan and power it through an outlet. | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Application | Various ventilation projects including hydroponic grow rooms and tents. HVAC applications involving boosting airflow and exhaust. Cooling AV equipment rooms and closets. | Various ventilation projects including hydroponic grow rooms and tents. HVAC applications involving boosting airflow and exhaust. Cooling AV equipment rooms and closets. | Various ventilation projects including hydroponic grow rooms and tents. HVAC applications involving boosting airflow and exhaust. Cooling AV equipment rooms and closets. | Various ventilation projects including hydroponic grow rooms and tents. HVAC applications involving boosting airflow and exhaust. Cooling AV equipment rooms and closets. | Various ventilation projects including hydroponic grow rooms and tents. HVAC applications involving boosting airflow and exhaust. Cooling AV equipment rooms and closets. | Various ventilation projects including hydroponic grow rooms and tents. HVAC applications involving boosting airflow and exhaust. Cooling AV equipment rooms and closets. |