*The Angi rating for Radon Detection And Reduction companies in London, 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 London, 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 June 12, 2026
Serving London, OH and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"We hired MaGen to do our Radon Mitigation, the whole process was easy and quick, the testing and abating. The owner is very sweet and does a great job at explaining and making sure everything is working. If you?re looking for someone, MaGen is a great choice, and for sure would recommend!"
Serving London, OH and surrounding areas
Approved
In business since 2015
Free estimates
Emergency services offered
"It went good and they did a good job."
+12
Serving London, OH and surrounding areas
In business since 2017
Free estimates
Emergency services offered
"Radon pros was awesome...they had clear communication throughout the process and made it happen. I don't know much about radon but the tech educated me and I didn't waste a bunch of money on a below ground vacuum."
+55
Serving London, 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 London, 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 London, OH and surrounding areas
Free estimates
Credit card accepted
"Derrek is a very knowledgeable home inspector. He answered all my questions and taught me about the systems in the home. I would definitely recommend him to anyone buying a home!"
+19
Serving London, OH and surrounding areas
Free estimates
Credit card accepted
"I just put a brand new roof on my home and i called a security first inspection to come out and make sure it was done properly and he found major issues with the ventilation the roofers put on so it was worth my money to call someone out that did identify problems and i got it straightened out before it caused an issuea,"
+2
Serving London, 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 in Columbus, OH, depends mostly on the type of system being installed. Use this guide to learn about your options.
The cost of a radon mitigation system depends mostly on the type of system being installed. Use this guide to learn about your options.
Get clear answers on how much radon remediation costs, including average prices, key cost factors, and tips to save money on your home’s radon mitigation.
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.
