*The Angi rating for Radon Detection And Reduction companies in Sycamore, 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 Sycamore, 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 June 27, 2026
Serving Sycamore, IL and surrounding areas
Approved
In business since 1988
Free estimates
Customers say: Quality work
"Dave was on time, courteous and quietly and efficiently did high quality work. We still need to do the radon test but definitely happy with the quality of work. Will update the review once we have been able to complete the independent radon testing. Thanks!"
+11
Serving Sycamore, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2014
Free estimates
Small jobs welcome
"Matt is great! He did an extremely detailed home inspection and explained things throughout the process. He is very friendly and professional. I will definitely use Bulls Eye Home Inspection again!"
+4
Serving Sycamore, IL and surrounding areas
Approved
Super Service Award Winner
In business since 1993
Free estimates
Emergency services offered
"Radon inspection was the job"
+20
Serving Sycamore, IL and surrounding areas
Approved
In business since 1996
Free estimates
Emergency services offered
"David, at Gardner Environmental Services, professionally performed numerous air sample tests inside our home due to a minor smelling of mold in one spot.Fortunately, his lab resource came back with negative results on each location sample David tested. David was reassuring and pleasant to work with. I would recommend his company, to anyone."
+18
Serving Sycamore, IL and surrounding areas
Approved
In business since 1957
Free estimates
Warranties offered
"as above. spent over an hour inspecting and testing"
Serving Sycamore, 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 Sycamore, 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 Sycamore, IL and surrounding areas
In business since 2020
Free estimates
Warranties offered
"RADMAN did an outstanding job installing a radon mitigation system in my home. His crew knows what they are doing and the results speak for themselves. Within hours after starting up the system my Radon level went from 20 to less than 1 Picocuurie per liter."
Serving Sycamore, IL and surrounding areas
In business since 1996
Free estimates
Warranties offered
"He was extremely helpful and went above and beyond other organizations. He wasn't the cheapest option, but he did very good work. Very accommodating."
+20
Serving Sycamore, IL and surrounding areas
In business since 1998
Free estimates
Credit card accepted
"Overall, the service team was very helpful and willing to work hard, make calls and go above and beyond in negotiating a fair price for your custom system based on specific needs (Thanks JJ!). The technicians who performed the work were friendly and knowledgeable. Swat = sure-fire mitigation systems."
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.
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.
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 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.
