*The Angi rating for Radon Detection And Reduction companies in Wilmington, IL 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 Wilmington, IL 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 January 07, 2026
Serving Wilmington, IL and surrounding areas
Approved
In business since 1988
Free estimates
Customers say: Quality work
"Quick and easy to work with. We failed our first radon test and passed the second after having the system put in. Highly recommended."
+11
Serving Wilmington, IL and surrounding areas
Approved
In business since 2017
Free estimates
Warranties offered
"As a Realtor, Schan has done many of my clients' radon system install and they all were extremely please with his knowledge, install and his going above and beyond to make the system appealing from the exterior of the home. Many companies will not make the effort to ensure that the system does not look unsightly. Schan does and he is an expert at what he does. I would only recommend Schan to my clients!"
+18
Serving Wilmington, IL and surrounding areas
Approved
In business since 2020
Free estimates
Warranties offered
"I hired StueCo for radon remediation. Doug did the work efficiently and the retest was excellent. Good value for the money. I would recommend StueCo for radon remediation."
Serving Wilmington, IL and surrounding areas
Approved
In business since 1957
Free estimates
Warranties offered
"Called company on Monday and got an appointment for an inspection on Wednesday. That following Monday, the technician arrived and went through each step is sealing off the concrete foundation to the water leak. The fix worked well and was put to the test with the recent record rains. Not one drop of water came into the basement."
Serving Wilmington, IL and surrounding areas
In business since 1988
Free estimates
Warranties offered
"Professional Radon System did an excellent job. They put the customer at ease. Work was done neatly installer explained everything thoroughly. I will use Professional Radon system again, and I will wii refer to family, friends and neighbors."
+4
Serving Wilmington, IL and surrounding areas
In business since 2012
Credit card accepted
"Completely satisfied. Would certainly recommend them for Radon mitigation work. They worked efficiently, were neat and clean and the price was quite reasonable."
Serving Wilmington, IL and surrounding areas
In business since 1994
Emergency services offered
Credit card accepted
residential commercial home and building inspections. mold and radon testing and remediation available fha 203k consultant\nand general construction services available. home energy audits available. state of illinois licensed instructor for home inspection license training.degreed engineer state licensed general contractor with over 30 years of construction experience
Serving Wilmington, IL and surrounding areas
In business since 2015
Small jobs welcome
Credit card accepted
"Technician explained everything about Radon in terms we could totally understand. He was patient, polite, totally knowledgeable and professional."
Serving Wilmington, IL and surrounding areas
In business since 2005
Free estimates
Warranties offered
"The true test will be the radon measurement . Everything looks very nice , very professionally done . I was just under impression from other companies I spoke to that something had to be done with sump pump."
Serving Wilmington, IL and surrounding areas
In business since 2008
Free estimates
Credit card accepted
"Very easy to get an appointment on short notice when I had limited time to get a radon test done in the process of purchasing a home. Their price was also slightly lower than an estimate I'd received from another company, and the technician was more thorough about explaining the process than the other company I considered."
From average costs to expert advice, get all the answers you need to get your job done.
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.
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.
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 testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.
Knowing how to test for radon will keep your home free and safe from this odorless gas—you just have to decide whether to do it yourself or hire a pro.
