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AC Infinity CLOUDLINE S6, Quiet 6” Inline Duct Fan with Speed Controller, EC Motor - Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics
Enhance your purchase
|Electric fan design||Exhaust Fan|
|Power Source||Corded Electric|
|Special Feature||Water Resistant|
|Recommended Uses For Product||Cooling, Air Circulation|
|Controller Type||Button Control,App Control|
|Product Dimensions||7.9"D x 8.4"W x 12.6"H|
|Number of Speeds||8|
About this item
- Make sure this fits by entering your model number.
- 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: 6” | Dimensions: 7.9 x 12.6 x 8.4 in. | Airflow: 402 CFM | Noise: 32 dBA | Bearings: Dual Ball
Customer ratings by feature
Special offers and product promotions
- Save 10% on AC Infinity 6" Noise Reduction Clamp when you purchase 1 or more CLOUDLINE Series 6" Fans offered by AC Infinity. Here's how (restrictions apply)
- Save 10% on AC Infinity, 6" Flexible Aluminum Ducting, 8' Long when you purchase 1 or more CLOUDLINE Series 6" Fans offered by AC Infinity. Here's how (restrictions apply)
- Save 10% on AC Infinity, 6" Inline Duct Silencer when you purchase 1 or more CLOUDLINE Series 6" Fans offered by AC Infinity. Here's how (restrictions apply)
- Save 10% on AC Infinity, 6" Carbon Filter with Premium Australian Virgin Charcoal when you purchase 1 or more CLOUDLINE Series 6" Fans offered by AC Infinity. Here's how (restrictions apply)
- Save 10% on AC Infinity, 6" Flexible Aluminum Ducting, 25' Long when you purchase 1 or more CLOUDLINE Series 6" Fans offered by AC Infinity. Here's how (restrictions apply)
What's in the box
From the brand
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.
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.
T-series models include a dynamic temperature and humidity controller with timers, cycles, scheduling, and Bluetooth App control.
Quiet PWM Motor
Each fan uses a quiet, energy-efficient EC motor controlled using Pulse Width Modulation (PWM). Dual ball bearings allow for omnidirectional mounting.
Featuring a mixed flow design, the fans maintain peak performance in high static pressure environments. Ingress-protected against dust and liquids.
Plug and Play
The 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
A 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.
A 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 MATCH
The 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.
|AC Infinity, CLOUDLINE S4 Inline Duct Fan 4" with Speed Control||AC Infinity, CLOUDLINE T4 Inline Duct Fan 4" with Trigger and Timer Controls||AC Infinity, CLOUDLINE S6 Inline Duct Fan 6" with Speed Control||AC Infinity, CLOUDLINE T6 Inline Duct Fan 6" with Trigger and Timer Controls||AC Infinity, CLOUDLINE S8 Inline Duct Fan 8" with Speed Control||AC Infinity, CLOUDLINE T8 Inline Duct Fan 8" with Trigger and Timer Controls|
|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.|
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Reviewed in the United States on February 14, 2021
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Top reviews from the United States
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The fan comes on and turns off gradually (stepped). The built in stepped on and off feature actually works very well with this AC unit. I turn them on and off at the same time. By the time the AC has opened it’s external intake louver and (sounds like) internal exhaust valve this inline fan has ramped up to speed. Then when it is time to shut down the AC the inline fan runs for a few seconds as it stepped down to the off mode. This extra run time allows for clearing the exhaust line of some remaining excess heat.
I have the fan installed some distance from the AC. So the long wired remite cable is handy. I just set the wired remote on top of the AC unit. The fan remote LED let’s me know the fan is alive and operating speed. The display indicates the fan speed with a white circle of LED lights. Number of lights indicates fan speed. It is convenient to have the power button for both units on the same surface.
Wanted to point out something that I had not seen in other reviews that I have read. I believe that the default mode for the fan is to fail into half power. Here is what I mean. I got this home and just wanted to plug it in and get it running. And so I did. Fan came right on after plugging it in. It was running. I looked for how to control the speed at that point. Ooh no! The control wire came to a plug at the end. Sudden panic! I must have bought the wrong unit. Now I have opened it. I own it. Damn! Ok what kind of control box do I have to buy now. Wait. No, no… YES! There is a wired remote in the bag!!! So I hot plug it in to the open plug. My momentary Crisis has been averted. Fortunately for me once again, this fan is engineered well enough that nothing fried from my lack of consideration for my new tool. (Note to user: maybe turn off unit before plugging in wired remote. I mean it worked hot plugged. But this may not be the best standard for future operating procedures.)The remote indicated that the fan was running at half power from the time that I had plugged it in headless. Some days later after observing the AC and fan operating together to assure myself that they would cooperate under full load at 100% duty cycle for extended time. It occurred to me what a smart feature this is to have the fan fail to a 50% operating mode. If for some reason the remote becomes damaged or disconnected, the fan does not go dead (to 0%). My AC can be trusted to function unsupervised with fan remote failure. I am going to this length to write this feature description out because I believe that is that important. It would be easy to overlook this critical safety feature. It may not even be something you would consider when you are shopping for ventilation. I certainly never considered how this unit might behave in modes of failure. I think emphasis should be expressed here for those of you that may be incorporating this piece of equipment into operations where it would be critical to maintain operation of the ventilation system. This feature could be the difference between success and failure. The stepped on and off could also ensure longer life of seams and such that maintain pressure separation in an area or thru ductwork. Gradual increase/decrease of the pressure gradient = less maintenance and greater overall structural integrity. The fan is not slamming seams with 100% and deflating instantly to 0%. The fail to 50% and the stepped on and off features of this unit seem to indicate solid engineering practices.
This random internet user highly recommends this product based off of initial operational observation.
For those reviews who are saying these fans are too loud, I'm going to take a wild guess that it's not the actual fans that are loud, but the sound of all that air blowing through your ductwork. When I'm down in the basement next to the fans, they aren't loud at all. When I'm upstairs next to the register and the fans are on full speed, the loud noise I hear is coming from the air blowing through my ductwork, which isn't insulated or necessarily designed to be quiet. So quit hating on the fans being loud! They are doing their job perfectly, and if you want less noise coming out of your registers, fix your ductwork.
If you're interested on my electrical configuration, I designed it to have an "On" mode and an "Auto" Mode. I purchased this switch for this:
The middle position is Off, when you flip it all the way up (On), the fans will both turn on whether or not my HVAC system is running. When you flip the switch down (Auto), it only runs when my HVAC blower is running.
I spent a bit of time trying to figure out the best way to get the "Auto" functioning how I wanted. I read about several other people doing similar configurations on different message boards. Some people recommended purchasing a 24v/120v "normally open" relay, which is about $8, and connecting the 24v terminal to my green thermostat wire. I didn't quite like this method, because of the delay that occurs between 24v going through the green wire, and when the main HVAC blower actually turns on and off. It's probably just my OCD, but I want the booster fans to turn on and off at the same time that my main blower turns on and off.
My HVAC control board is the White-Rogers 50T35-743:
Notice in the picture, there are 2 connection tabs that have a red rubber cover. One of those tabs is HUM, which supplies 120v to a humidifier (which I don't have). I tried connecting my "Auto" wire to this, but found out that it only works in "heat" mode, not "cold". The other tab is EAC, which is the "Electronic Air Cleaner" (which I also don't have.) I tested this one and BINGO!!! 120 volts whenever my main blower is running, whether it be in "Hot", "Cold", or simply "Fan On". So I connected my Auto wire to this tab, and now everything is running perfectly!
I'm very happy with how this project had turned out.
Top reviews from other countries
Expecting the level of quality to continue, I was quite disappointed when I turned it on. There was both a noticeable vibration, and an annoying tick-tick-tick sound. Needing to use the fan immediately (not having time to exchange it), I took a closer look. The blade was clearly rubbing or hitting something. It was very easy to remove, and I found many bits of flashing (bits of plastic sticking out where parts of the mold come together, not intended as part of the finished molded product), with one very large one in particular causing the tick-tick rubbing problem. I trimmed that and the great many other bits of flashing off the blade, thinking that would fix both issues. Before putting the unit back together, I turned it on to run the motor without any blade attached, and found the motor was what was actually causing the vibration (felt like a bad bearing or something out of balance). But I needed to use the fan right away, so I put it back together. Though there are 4 pins on the blade (along with the threaded shaft/nut) that mount it to the motor, there is a lot of play in all of them (the pins should be alignment pins but they are not) and it took me about 20 tries to finally get the blade centered to prevent it from causing any additional vibrations.
I don't know whether I got a defective motor and an accidentally untrimmed blade, or if the motors are typically of poor quality, and the blades as well. But I would hope I just got a dud, and overall would buy more.
One feature I really like is how the speed control works, particularly that is remembers its last speed setting even when power is fully removed, so you can use your own remote control outlet/plug or timer/etc to turn it on and off, with it always returning to the same speed.
I also measured power consumption, and for the 8 speeds got: 3, 4, 6, 9, 12, 17, 23, 38 watts.
Overall 10 out of 10 for these fans, hats off to AC infinity, they’re so quiet and just a quality product, I will never use another make again, if you’re thinking about buying one just do it, you will not be disappointed
The remote lead was long enough for me to mount the remote in my old unit and yet have the fan mounted well away.
I mounted the fan on wires thus reducing any transmitted running noise (I would not expect much anyway as such a smooth running motor).
The level of extraction is variable and perfect for the application.
Excellent product 10/10. Fully recommend.