*The Angi rating for Radon Detection And Reduction companies in Fredericktown, OH 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 Fredericktown, OH 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 February 25, 2026
Serving Fredericktown, OH and surrounding areas
In business since 2019
Emergency services offered
Warranties offered
"Matt did a great job of installing my radon mitigation system. The unit is set up perfectly and looks very professional and the jobsite was cleaned up to how it was before he started the job. I would highly recommend Matt and Black River Radon for all of your radon mitigation needs."
+11
Serving Fredericktown, OH and surrounding areas
In business since 1977
Free estimates
Warranties offered
"I used Radon Systems over 20 years ago in another house and even still today they provide great service for a radon mitigation system."
+9
Serving Fredericktown, OH and surrounding areas
In business since 2009
Free estimates
Credit card accepted
"Very detailed work. I received more info than I anticipated, and he was timely, quick communication, and worked with my son to coordinate timing for the inspection. I had the detailed report the next morning after the inspection! Great timing."
Serving Fredericktown, OH and surrounding areas
In business since 2009
Emergency services offered
"Phil was very responsive to our needs and he and his associate were prompt and very good to work with."
+4
Serving Fredericktown, OH and surrounding areas
In business since 2010
Free estimates
Credit card accepted
"Corey did a great job in a very timely manner. Would definitely recommend,"
Serving Fredericktown, OH and surrounding areas
In business since 2022
Free estimates
Offers commercial services
Mid Ohio Radon Experts LLC is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!
From average costs to expert advice, get all the answers you need to get your job done.
The cost of a radon mitigation system depends mostly on the type of system being installed. Use this guide to learn about your options.
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Radon is a gas that you can't see or smell and is harmful to your health. If your home has radon, you need to know who installs radon mitigation systems.
What is radon gas? Find out what this radioactive gas is, why it is dangerous, how it gets in your home, and how to mitigate it.
What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.
