Serving Mount Vernon, IN and surrounding areas
In business since 1988
Free estimates
Credit card accepted
"The tech was prompt and professional. He answered the questions I had, completed the job quickly and cleaned up afterward."

*The Angi rating for Radon Detection And Reduction companies in Mount Vernon, IN 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 Mount Vernon, IN 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 July 02, 2025
Serving Mount Vernon, IN and surrounding areas
In business since 1988
Free estimates
Credit card accepted
"The tech was prompt and professional. He answered the questions I had, completed the job quickly and cleaned up afterward."

Serving Mount Vernon, IN and surrounding areas
In business since 2021
Free estimates
Warranties offered
"Greg was prompt, friendly, and professional. I highly recommend Orr Environmental."





+5

Serving Mount Vernon, IN and surrounding areas
In business since 2023
Free estimates
Emergency services offered
"It went great! I have a home where the system was not easy to install, but they stayed until it was finished. A test kit was left to see if it was working properly, but they added that they would return if our radon wasn't lowered. IT WAS!! Money very well spent"





+5
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.

Find out what impacts radon testing costs, including average prices for DIY kits and professional services, so you can protect your home and budget confidently.

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.