AC Infinity AIRTAP T4 – Honest Review & Buyer’s Guide

Hey there, I recently had the opportunity to try out the AC Infinity AIRTAP T4, and I wanted to share my thoughts with you. This is a quiet register booster fan that is designed to improve airflow from HVAC systems. It fits 4” x 12” register holes and comes with a thermostat control for heating and cooling.

AC Infinity AIRTAP T4

Pros and Cons

What We Liked

  • The fan is very quiet, making it perfect for use in bedrooms or offices where noise can be disruptive.
  • The programmable LCD controller with thermostat control allows for easy customization of the fan’s operation.
  • The premium aluminum frame not only looks sleek, but it also adds durability to the fan.
  • The stator-blade fans deliver strong airflow even in high static-pressure ductwork, ensuring efficient circulation of air.
  • The fan is easy to install, simply drop it into the register and plug it in.

What Can Be Improved

  • The electronic components of the fan can block a portion of the vent, reducing airflow when the fans are not active.
  • It may not be suitable for situations where the furnace does not run frequently, as it relies on the furnace to pull air.

Quick Verdict

Overall, the AC Infinity AIRTAP T4 is a high-quality register booster fan that delivers on its promises. It is quiet, efficient, and easy to use. The thermostat control allows for customized airflow, and the fan’s design ensures strong airflow even in challenging ductwork. Installation is a breeze, making it a convenient solution for improving airflow in your home or office.

If you’re looking to enhance the airflow from your HVAC system, I highly recommend giving the AC Infinity AIRTAP T4 a try. It’s a game changer that will make a noticeable difference in your comfort. You can find more information about it here.

Unboxing – What’s Inside?

I recently purchased the AC Infinity AIRTAP T4, Quiet Register Booster Fan with Thermostat Control from Amazon. Living in the USA, I was impressed with the fast delivery, as the product arrived within a week of ordering.

Opening the box, I found the following items:

  • The AC Infinity AIRTAP T4 booster fan
  • Mounting hardware
  • Thermostat control unit
  • User guide


Here are the specifications of the AC Infinity AIRTAP T4 booster fan:

  • Product Dimensions: 13.77L x 1.96W x 5.51H
  • Air Flow Capacity: 120 Cubic Feet Per Minute
  • Material: Aluminum
  • Noise Level: 18 dB
  • Cooling Method: Air
  • Wattage: 6 watts
  • Voltage: 12 Volts
  • Brand: AC Infinity
  • Date First Available: September 11, 2018
  • Is Discontinued By Manufacturer: No
  • Manufacturer: AC Infinity
  • Item Weight: 2.2 pounds
  • Package Dimensions: 16.26 x 6.65 x 2.48 inches
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User Guide

The included user guide provided comprehensive instructions on installation, setup, and operating the AC Infinity AIRTAP T4 booster fan. It was easy to follow and helped me quickly get the fan up and running. If you need assistance or want to explore more advanced features, the user guide is a valuable resource.

You can find the user guide here.

Features – What We Found

1. Improved Airflow

The AC Infinity AIRTAP T4 is a quiet fan system specifically designed to enhance airflow from wall and floor registers of HVAC systems. This booster fan effectively increases the airflow, ensuring better heating and cooling throughout your space. With its stator-blade fans, it can deliver strong airflow even from high static-pressure ductwork.

This feature allows for improved comfort and temperature regulation in rooms that have poor air circulation or are located far from the main HVAC system. Whether it’s a bedroom, home office, or basement, the AIRTAP T4 ensures that you can enjoy the desired temperature without any cold or hot spots.

Pro-tip: Install the AC Infinity AIRTAP T4 in rooms with insufficient airflow or areas that are typically warmer or cooler than the rest of your house. It will effectively distribute conditioned air, providing you with a more comfortable environment.

2. Programmable LCD Controller

The AIRTAP T4 comes with a user-friendly programmable LCD controller, allowing you to easily adjust its settings according to your preferences. The controller features heating and cooling thermostats, enabling you to set the desired temperature range for optimal comfort.

With the automated fan speeds, you can choose the airflow level suitable for your needs. This feature ensures that the AIRTAP T4 adapts to changes in temperature and actively works to maintain the ideal climate in your room.

Pro-tip: Utilize the programmable function and set a schedule for the AIRTAP T4 to operate only when needed. This not only saves energy but also ensures that your room is at the desired temperature before you enter.

3. Premium Aluminum Frame with CNC-Machined Detailing

The AIRTAP T4 boasts a premium aluminum frame with CNC-machined detailing. This not only enhances its durability but also adds a touch of elegance to its design. The matte-white finish gives it a sleek and modern look, seamlessly blending with most interior decors.

Furthermore, the high-quality construction of the aluminum frame ensures that the booster fan remains lightweight and resistant to corrosion over time. This makes it a long-lasting and reliable solution for improving air circulation in your room.

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Pro-tip: Keep the AIRTAP T4 clean by wiping the aluminum frame with a damp cloth regularly. This helps maintain its appearance and prevents dust accumulation, allowing for optimal performance.

4. Compatibility and Easy Installation

The AIRTAP T4 is specifically designed to fit 4” x 12” register holes. This ensures compatibility with a wide range of standard HVAC system ducts. Installing the booster fan is a hassle-free process and can be done by following the provided instructions.

Thanks to the included wall adapter, you can conveniently power the AIRTAP T4 without requiring any additional electrical work. Simply plug it into a nearby outlet, and the booster fan is ready to enhance the airflow in your room.

Pro-tip: Before installing the AIRTAP T4, thoroughly clean the register area to remove any dust or debris. This promotes better airflow and prevents contaminants from being circulated throughout the room.

5. Ultra-Quiet Operation

One of the standout features of the AIRTAP T4 is its ultra-quiet operation. With a noise level of only 18 dBa, it provides a peaceful environment without any disruptive sounds. This makes it perfect for bedrooms, nurseries, or any other areas where noise reduction is crucial.

The noise reduction is achieved through the combination of a quiet fan design and the use of quality components. This ensures that you can enjoy the improved airflow and temperature control without any unnecessary noise disturbance.

Pro-tip: Place the AIRTAP T4 in rooms where noise is a concern, such as bedrooms or study areas. The ultra-quiet operation guarantees an undisturbed and comfortable environment for relaxation, work, or sleep.

Concluding Thoughts

Our Score: 85.0

I recently purchased the AC Infinity AIRTAP T4 register booster fan and I must say, it has been a game changer. I have always had issues with the airflow in my office, but this fan has significantly improved it. Installation was easy, I just dropped it into the register and plugged it in. The only downside is that when the fans are not active, the electronic components block a portion of the vent, which reduces airflow. However, when the fans are on, the airflow is great. Overall, I am very satisfied with this product and highly recommend it. Check it out here.

I had a persistent problem with my upstairs room staying much warmer than the rest of the house, even with the AC running. I didn’t want to spend a fortune on a built-in wall unit, so I decided to try the AC Infinity AIRTAP T4. It was a miracle solution! I can now keep the room as cold as I want, even with the house thermostat set at a higher temperature. The temperature is now consistently 68 degrees or colder. This product is a much more affordable alternative and I am planning to install it in all the vents upstairs. Don’t hesitate to buy it if you have a similar problem.

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I want to point out that this booster fan may not work for everyone. In my case, I have a converted attic space with only one small vent for the entire floor. The fan only works when the furnace is on, so as soon as it turns off, ice crystals start forming. This may not be an issue for most people, but I wanted to mention it for those in similar situations. However, when the furnace is on, the fan works great and makes a noticeable difference in airflow. So while it didn’t work perfectly for me, it is still a great product.

Still Looking? Checkout These Alternatives

If you’re considering the AC Infinity AIRTAP T4, you may also want to explore these similar products:

  • AC Infinity AIRTITAN T8, Crawlspace Basement Ventilator Fan: If you’re looking for a fan that can effectively ventilate your crawlspace or basement, the AIRTITAN T8 is a great alternative. With a temperature and dehumidistat controller, it can automatically regulate the airflow based on the conditions in your space, ensuring optimal ventilation and moisture control.
  • Tjernlund RB10 Register Booster Fan: The RB10 is another reliable option for improving airflow in your home. Designed to fit 4 x 10 register holes, this booster fan is perfect for smaller spaces. Its brown color also blends seamlessly with most room decor.
  • SMARTCOCOON Smart Vent Register Booster Fan: For those who prefer smart home technology, the SMARTCOCOON Smart Vent Register Booster Fan is a fantastic choice. Compatible with iOS and Android apps, this fan allows you to control the room temperature and save energy. It comes in various sizes (4 x 10, 4 x 12, and 6 x 12) to fit different register holes.
  • DELTA ELECTRONICS BreezSlim SLM50 50 CFM Exhaust Bath Fan: If you’re looking for a fan specifically for your bathroom, the BreezSlim SLM50 is worth considering. With 50 CFM of airflow, it effectively ventilates the space, helping to reduce moisture and prevent mold and mildew growth.

Each of these alternatives offers unique features and benefits to meet your specific needs. Whether you’re looking for improved airflow, smart home compatibility, or targeted ventilation, these products are reliable options to consider.