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Last update on October 08, 2025

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Avatar for SWAT Environmental, Inc.
SWAT Environmental, Inc.
5.0(
2
)

Serving Princeton, WV and surrounding areas

In business since 1988

Free estimates

Credit card accepted

SWAT Environmental has keeping homeowners safe from Radon Gas since 1988. We are the nation's largest Radon Mitigation company but we are local operated and give each customer personal, high class service! Installing over 150,000 mitigation systems, SWAT is the industry leader in Radon Awareness and Mitigation. Call us today to schedule your radon mitigation system installation for less than the cost of most major home appliances!

Response time12 hrs
Recommended by100%of homeowners
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Radon Detection and Reduction questions, answered by experts

The cost to replace a radon fan ranges from $300 to $600 for the fan itself, with installation adding an additional $200 to $500. Overall, the total cost for replacement can range from $500 to $1,100, depending on factors such as the fan model, home size, and local labor rates. If the fan is part of a larger radon mitigation system, the price may be higher.

If high radon levels are detected, steps include sealing entry points, installing a mitigation system, and retesting the air regularly to ensure reduced levels.

You'll need to test your home for radon after installing the mitigation system, then again every two years. If radon remains elevated, contact a licensed radon professional, either the contractor who installed the system or a different one, and have them evaluate the system. They may need to make some changes to improve its effectiveness and performance.

The average radon mitigation system uses about 876 kWh of electricity per year, although the exact amount of electricity used will vary depending on the size of the radon fan. Once the system is installed, the annual increase to your energy bill could range from $30 to $300 per year, again depending on the size of the fan.

There are steps you can take as a homeowner to remediate radon yourself. While a radon reduction professional can make the biggest impact in your home, you can make efforts to improve radon levels on your own by sealing cracks, increasing ventilation, and testing for radon regularly.

The Princeton, WV homeowners’ guide to radon detection and reduction services

From average costs to expert advice, get all the answers you need to get your job done.

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