When it comes to controlling the speed of your duct and inline fans, the iPower Variable Fan Speed Controller Adjuster is a popular choice. This compact and efficient device allows you to easily adjust the speed of your fan with a simple turn of a knob, ensuring optimal performance and energy efficiency in your HVAC system.

Features and Benefits

The iPower Variable Fan Speed Controller Adjuster boasts several key features that make it a top choice for HVAC enthusiasts:


Durable 3-pole grounded plug construction: This ensures a secure and safe connection to your power source, minimizing the risk of electrical hazards.
Simple box design: The compact and straightforward design of the controller allows it to stay out of the way and keep cords tangle-free, maintaining a clean and organized look in your HVAC setup.
One control switch with 3 settings: The controller offers variable speed control, allowing you to choose between off, high, medium, and low settings to suit your specific needs.
Built-in grounded control outlet: This feature provides a convenient and safe way to power your duct and inline fans, eliminating the need for additional outlets.
Suitable for all duct and inline fans: The iPower Variable Fan Speed Controller Adjuster is compatible with a wide range of fan types, making it a versatile choice for various HVAC applications.

Specifications and Compatibility

The iPower Variable Fan Speed Controller Adjuster comes with the following specifications:

Current capacity: 3 Amps
Voltage: 120 AC
Maximum watts: 350W
Dimensions: 3.625in(L) x 2.215in(W) x 2in(H)

It’s important to note that this controller is not suitable for shaded pole motors or brushless motor fans, as it does not adjust below 50% to avoid the risk of burning out the fan motor.

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Installation and Usage

Installing the iPower Variable Fan Speed Controller Adjuster is a straightforward process. Simply plug the controller into a power outlet and connect your duct or inline fan to the built-in grounded control outlet. Once installed, you can easily adjust the fan speed using the control switch.

To ensure optimal performance and longevity, it’s recommended to follow the manufacturer’s instructions carefully and use the controller within its specified voltage and wattage limits.

Comparison with Similar Products

When considering the iPower Variable Fan Speed Controller Adjuster, it’s helpful to compare it with similar products on the market. Here’s a comparison table of the iPower controller and some alternatives:

Product Price Delivery Number of Speeds Material Controller Type Wattage
iPower Variable Fan Speed Controller Adjuster $12.99 As soon as Friday, Jul 5 3 – Button Control 350 watts
spCSRF_Control $69.99 As soon as Friday, Jul 5 1 – Button Control 75 watts
spCSRF_Control $24.99 As soon as Friday, Jul 5 3 Metal Button Control 15 watts
spCSRF_Control -10% $89.99 Typical: $99.99 As soon as Friday, Jul 5 1 Alloy Steel Button Control 205 watts

As shown in the table, the iPower Variable Fan Speed Controller Adjuster offers a competitive price, fast delivery, and a good balance of features compared to similar products.

Customer Reviews and Ratings

The iPower Variable Fan Speed Controller Adjuster has received positive reviews from customers, with an average rating of 4.8 out of 5 stars. Customers praise its ease of installation, quiet operation, and effectiveness in controlling fan speed.

One customer review states, “This fan speed controller works great! It was easy to install and has made a noticeable difference in the noise level of my inline fan. I highly recommend it.”

Another customer notes, “The iPower Variable Fan Speed Controller is a must-have for anyone with an inline fan. It allows me to adjust the speed to suit my needs and has helped me save on energy costs.”

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Overall, the iPower Variable Fan Speed Controller Adjuster is a reliable and efficient choice for controlling the speed of your duct and inline fans. Its combination of features, compatibility, and positive customer feedback make it a top contender in the HVAC speed control market.

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