I purchased this to use on the exhaust hose of my Firgidaire 1300 BTU portable air conditioner sku#312540281. By my reading of the specs the airflow of the two units matches up. With both running at full power the AC is noticeably louder than the fan. The fan seems to make the ac much, much more efficient. I don’t know about power consumption. But the cooling continues to function even after many hours of constant operation with this fan. Normally these portable AC units begin to fade away soon after they begin full high operating temperature. I think that this is in part due to all of that heat in the exhaust hose. This time I did something about it.
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.
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From the brand
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AC Infinity is a technology company that specializes in environmental controls for agricultural and HVAC applications. Our smart controllers and integrated grow equipment are designed to work together to create the perfect climate for your plants.
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Product Description
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
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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
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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. |
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| 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 | |
| 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. |
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Customer reviews
The ends on the fan are not truly standard 6 inch
Reviewed in the United States on February 14, 2021
I have to say when a manufacture makes products they should meet the universal specifications of 6 inch duct diameter standard. This fan does not connect to standard 6 inch duct tube, flexible duct, or even their own 6 inch carbon filter. I am very disappointed with the experience I had installing the fan for in line use. I had to wrap the fan end with 2 sided tape multiple times to make up the difference of the fan ends with the connecting piece. It should be snugg connection, however it is not. I am giving this a low rating because the fan ends are about a 1/4 inch variance with standard 6 inch duct. The only reason I did not return it is because I don't have time to deal with waiting for a new product to be delivered.
Reviewed in the United States on February 14, 2021
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Top reviews from other countries
Eírc Frwd
Best fan money can buy!
Reviewed in the United Kingdom 🇬🇧 on October 8, 2020
Durham
For best performance keep bends away from the fan
Reviewed in the United Kingdom 🇬🇧 on May 4, 2022Amazon Customer
Quite and the remote control is really excellent.
Reviewed in the United Kingdom 🇬🇧 on March 21, 2022
