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*The Angi rating for Radon Detection And Reduction companies in Mason, TN is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.

*The HomeAdvisor rating for Radon Detection And Reduction companies in Mason, TN is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.

Last update on November 11, 2025

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Avatar for Gibson cleaning services
Gibson cleaning services
5.0(
3
)

Serving Mason, TN and surrounding areas

In business since 1980

Emergency services offered

"Jim did a fantastic job on our radon mitigation system. He is extremely professional. We could not have been more pleased! I would recommend him without hesitation to anyone needing radon work.
"
Recommended by100%of homeowners
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Avatar for Horton Restoration Service
Horton Restoration Service
4.3(
4
)

Serving Mason, TN and surrounding areas

In business since 2002

Free estimates

Emergency services offered

"Everything went as planned. Mr Horton and his crew were on time and the job was preformed as planned.. They did an excellent job removing the mold and cleaning up. Mr Horton knows his trade and does an outstanding job explaining the process."
Mold Remediation Project
Remodeling - General Project
Remodeling - General Project
Mold Remediation Project
Mold Remediation Project

+18

Recommended by75%of homeowners
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Radon Detection and Reduction questions, answered by experts

The cost for a radon mitigation system typically ranges from $800 to $1,500, with an average around $1,000. The final price depends on several factors, including the size of your home, the severity of the radon issue, and the type of system required. Your home's foundation type also significantly impacts the cost. For example, sealing and ventilating an unfinished basement might cost around $4,600, while encapsulating a crawl space without a foundation slab can range from $1,500 to $15,000.

The soil beneath your house is most likely what’s causing an increased level of radon. This is because soil holds radioactivity for a long time and it’s also what most buildings are built on. Another common source of radon is water from a source that hasn’t been through periodic radon tests, such as well water. Over time, the radon from the soil can inhabit other parts of your house like the foundation or plumbing.

Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.

No level of radon is technically safe, but since it is present everywhere, complete avoidance is impossible. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking preventative measures if your home's radon levels are between 2 and 4 pCi/L or higher.

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.

The Mason, TN 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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