Home Improvement

What Is a Radon Fan?

Have you recently got the radon testing and got positive results? There is nothing to be worried about if you have installed the radon mitigation system in your place and it is working to its full extent. Among all the components of a system, a radon fan plays a vital role, and for that reason, many of us search for what is a radon fan?

Not knowing about the functionality and purpose of a radon fan will not affect its working, but you will have no idea of it. You will be blank in case you have to position it somewhere in your house.

Besides that, long-term radon exposure provides a route to deadly diseases such as lung cancer. In order to keep yourself protected, you need to know about one of the most important components of a radon mitigation system, and that is a radon fan.

The radon fan is not an unresolved mystery; below, we will see what it is and how important it is for the radon mitigation system.

Radon fans

The basic purpose of a radon fan is to avoid the gas from building up in your home. It is one of the crucial components of the radon mitigation system and is mainly placed outside so that it also stops the gas from leaking back to the home. It works in combination with other components and is usually connected with an electrical junction box and radon pipe.

To sum up, radon is what is responsible for controlling and providing the radon gas a way out of your home and also keeping it from reaching a dangerous level.

Types of radon fans

Given the role it has, there are variants of radon fans available with different features and specifications; however, the role of each is the same. It is because of this that it is more important to know what a radon fan is so that you can choose the appropriate type for your home.

The most commonly found types of radon fans that you will see are discussed below.

Low suction radon fan

Primarily used for activating the passive radon system, low suction radon fans are quietest of all when compared to other types. Low suction radon fans are economical as well, as they usually cost you $20 to $40 of electricity in a year. Other than that, this type of radon fan is also used for draining tile or if you have a few inches of gravel under your home.

Moderate suction radon fan

As the name implies, this type of fan is often used for medium to large size homes. However, these fans are a bit noisy and cost you a bit more than low suction radon fans.

High suction radon fan

High suction fans are used where there is tight soil, and you need high power. In some cases, you might need to go for multiple suction points. In terms of noise and cost, high suction fans are expensive and so noisy that you have to use a noise suppressor to minimize it.

How to choose a radon fan?

Whether selecting it for your home or any other place, when you are provided with multiple options, selecting the best becomes difficult.

In order to find which radon fan will work best for your conditions, you need to do a few things. Firstly, the square footage or the area of your home or the site where you want to apply the mitigation system. Then, you need to find out the radon level of the place and determine how high it is.

Other than that, the type of return system the radon fan will use and whether you will place the fan outside or inside the house.

By analyzing these points, you will be able to select the best type that fits your requirement and will provide you with effective results.


Providing you with healthy air at all times, now keep your family safe with a suitable radon fan. Read this article thoroughly, and you will know what a radon fan is and what role it has in keeping you secure from radon gas. The effects of consuming radon are dangerous. If you would like to know more about it, you can see it here: What is radon gas?