AC Infinity T6 Inline Duct Fan – Review & Control Guide

As an avid indoor gardener, I recently purchased the AC Infinity CLOUDLINE PRO T6 for my grow tent. This quiet 6” inline duct fan with a temperature humidity VPD controller has been a game changer for me. The main image of the product can be viewed .

Pros and Cons

What We Liked

  • The fan is incredibly quiet, especially compared to previous fans I’ve owned. The noise level is minimal, allowing for a peaceful ambiance in my indoor garden.
  • The temperature and humidity programming options are excellent. I can easily set timers, schedules, and even grow cycles for my plants, ensuring optimal conditions for their growth.
  • The ability to connect to the WiFi app and access advanced programs and climate data remotely is a significant convenience. I can monitor and control my grow tent from anywhere using my smartphone.
  • The mixed flow design combined with a PWM-controlled EC-motor makes this fan not only quiet but also energy efficient. It operates efficiently without consuming excessive power.
  • The dual-ball bearings provide durability and longevity, assuring me that this fan will last for years to come.

What Can Be Improved

  • The initial setup and programming of the fan and controller can be a bit confusing. It took some time and patience to understand all the features and options available.
  • The included zip ties for installation were too short for my needs. I had to purchase longer ones separately, which was a minor inconvenience.

Quick Verdict

The AC Infinity CLOUDLINE PRO T6 is an excellent investment for anyone involved in indoor gardening, hydroponics, or ventilation needs. Its quiet operation, advanced programming options, and convenient WiFi app control make it stand out from other inline duct fans. I highly recommend this product for its quality, efficiency, and performance. If you’re looking for a reliable and efficient ventilation exhaust fan, this is the one to choose.

You can find the AC Infinity CLOUDLINE PRO T6 here.

Unboxing – What’s Inside?

I recently purchased the AC Infinity CLOUDLINE PRO T6, Quiet 6 Inline Duct Fan with Temperature Humidity VPD Controller from Amazon. Being in the USA, I was able to order it easily and it arrived at my doorstep within a few days. The delivery was surprisingly fast!

When I opened the box, I found the following items:

  • The AC Infinity CLOUDLINE PRO T6 fan
  • Temperature Humidity VPD Controller
  • Mounting brackets and hardware
  • Power cord
  • User guide and documentation


The AC Infinity CLOUDLINE PRO T6 fan has the following specifications:

  • Brand: AC Infinity
  • Manufacturer: AC Infinity Inc.
  • Item Weight: 7.02 pounds
  • Control Method: App
  • Indoor/Outdoor Usage: Indoor
  • Blade Length: 6 Inches
  • Wattage: 38 watts
  • Noise Level: 32 dB
  • Recommended Uses For Product: Exhausting, Ventilating, Cooling
  • Special Feature: App Operable, Remote Controlled, Water Resistant
  • Room Type: Kitchen
  • Product Dimensions: 7.9D x 8.4W x 12.6H
  • Style: Custom
  • Power Source: Corded Electric
  • Electric fan design: Exhaust Fan
  • Color: Black
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User Guide

The user guide provided with the AC Infinity CLOUDLINE PRO T6 was extremely helpful. It provided clear instructions on how to install and operate the fan. The guide also explained the different features and settings of the Temperature Humidity VPD Controller, allowing me to customize the fan’s performance based on my needs. You can find the user guide here.

Features – What We Found

Quiet and Energy Efficient Performance

The AC Infinity CLOUDLINE PRO T6 is designed with a mixed flow design and a PWM-controlled EC-motor, which allows it to provide a truly quiet and energy efficient performance. The mixed flow design ensures optimum airflow, while the EC-motor allows for precise control over the fan speed. This combination results in a fan that operates at a noise level of only 32 dBA, making it suitable for use in bedrooms, living rooms, or any other space where noise is a concern. Not only is it quiet, but it is also energy efficient, helping you save on electricity costs.

A pro-tip for maximizing the quietness and energy efficiency of the fan is to properly size your ducting. Using a larger diameter duct can help reduce air resistance and pressure, resulting in even quieter operation and improved energy efficiency.

Temperature and Humidity Programming

The AC Infinity CLOUDLINE PRO T6 features dynamic temperature and humidity programming, allowing you to easily control and maintain the climate in your grow room or hydroponics setup. With the VPD (Vapor Pressure Deficit) Controller, you can set specific temperature and humidity ranges, create timers and grow cycles, and even schedule the fan to operate at specific speeds. This level of control ensures that your plants receive the ideal climate conditions for optimal growth, regardless of the external weather conditions.

To ensure accurate temperature and humidity readings, it is recommended to place the temperature and humidity sensors away from direct airflow from the fan. This will prevent the fan’s airflow from influencing the sensor readings, providing you with more precise control over your climate conditions.

WiFi Integrated App Control

One of the standout features of the AC Infinity CLOUDLINE PRO T6 is its WiFi integration, which allows you to remotely connect to the fan using the AC Infinity Cloudline app. Through the app, you can access advanced programs, view climate data, and easily set up automation for your fan. This means you can control and monitor your fan from anywhere using your smartphone or tablet, providing you with convenience and peace of mind.

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To take advantage of the WiFi integrated app control, make sure to connect the fan to your home’s WiFi network during the initial setup process. This will enable you to access the fan’s features and controls through the app.

Versatile Applications

The AC Infinity CLOUDLINE PRO T6 is a versatile fan that can be used in various applications. Designed to ventilate hydroponic grow rooms, it can effectively remove stale air and moisture, ensuring optimal growing conditions for your plants. Additionally, it can be used to transfer heating or cooling from one area to another, making it suitable for maintaining temperature balance in different spaces. The fan can also be used in AV closets to prevent overheating of audio and video equipment, as well as for exhaust odors in other settings.

If you are using the fan in a grow room or hydroponics setup, it is important to ensure proper air circulation and ventilation. This can be achieved by strategically placing the fan to create a cyclical airflow pattern and using ducting to direct air to specific areas of the room.

Durable and Reliable

The AC Infinity CLOUDLINE PRO T6 is built to be durable and reliable, offering long-lasting performance. It features dual ball bearings, which provide smooth and quiet operation while ensuring the fan’s longevity. The fan’s housing is made from high-quality materials that are resistant to UV and harsh environmental conditions, making it suitable for both indoor and outdoor installations.

A pro-tip for maintaining the durability and reliability of the fan is to clean the fan and its components regularly. This helps prevent dust and debris buildup, ensuring optimal performance and extending the lifespan of the fan.

Our Review and More

Our Score: 95.0

I recently purchased the AC Infinity CLOUDLINE PRO T6 and I have been extremely satisfied with its performance. The fan is incredibly quiet and efficient, much more so than my previous fan that I paid a similar price for. The addition of speed control and a smart controller has been a game-changer. Not only is the T6 quieter, but it also draws significantly less power, resulting in substantial energy savings. I have been a fan of AC Infinity for years and this product further solidifies my belief in the brand’s quality.

The packaging of the product was impressive. AC Infinity clearly takes great care and integrity in presenting their products. They provide everything you could possibly need and the quality of the packaging instills confidence in the product itself. I regret not purchasing all of my tents and equipment from AC Infinity. The T6 has surpassed my expectations in terms of performance. Its mixed flow design, combined with a PWM-controlled EC-motor, ensures both quiet and energy-efficient operation.

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I had been eagerly awaiting the T6 inline fan to go back in stock, and when it finally did, I ordered it directly from AC Infinity. They packaged the items in the original ACI’s boxes and protected them well in an Amazon package. Setting up the fan was relatively easy with the help of a friend, and the included zip ties worked perfectly. The T6 provides excellent airflow and, with its remote controller, you can easily adjust the speed and direction of the airflow. I highly recommend AC Infinity products and their T6 fan in particular.

Alternatives To Consider

When it comes to ventilation and exhaust fans for heating, cooling, grow tents, and hydroponics, the AC Infinity CLOUDLINE PRO T6 is undoubtedly a popular choice. However, if you’re looking for some alternative options that can give you similar functionality and performance, here are five products worth considering:

  1. AC Infinity CLOUDLINE PRO T6 – This is the main product we’re discussing, and for good reason. With its quiet operation, temperature and humidity control, and WiFi app control, it offers convenience and efficiency. However, if you’re looking for other options, keep reading.
  2. AC Infinity Flexible 6-Inch Aluminum Ducting – If you need a reliable ducting system to complement your fan, this heavy-duty four-layer protection ducting is worth considering. It’s designed for heating, cooling, ventilation, and exhaust, ensuring efficient airflow.
  3. VEVOR Inline Duct Fan, 6-Inch 400 CFM with Variable Speed Controller – This inline duct fan offers quiet operation and a variable speed controller, allowing you to adjust the airflow according to your needs. It’s suitable for cooling booster and hydroponics applications.
  4. AC Infinity IONBOARD S44, LED Grow Light Board with Samsung LM301B Diodes – If you’re specifically interested in indoor plant growth, this LED grow light board can complement your ventilation system. With its dimmable full spectrum lighting and deeper penetration, it provides optimal lighting conditions for veg and bloom stages.
  5. TerraBloom 6 Inch Inline Fan ECMF-150 – For large spaces, this quiet HVAC fan with variable speed control is a great alternative. Its premium metal casing and energy-efficient EC motor make it a reliable choice for maintaining proper air circulation in your grow tents or other applications.

While the AC Infinity CLOUDLINE PRO T6 is an excellent option, these alternative products offer their own unique features and benefits. Whether you need additional ducting, lighting solutions, or different fan specifications, exploring these alternatives can help you find the best fit for your specific requirements.