*The Angi rating for Radon Detection And Reduction companies in Sherman, CT 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 Sherman, CT 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 May 26, 2026
Serving Sherman, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2008
Free estimates
Small jobs welcome
"I havenâ t performed my radon test yet. Hope itâ s working!!"
+1
Serving Sherman, CT and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"Lance Dorfi was proactive, efficient, and professional. They came to every appointment on time and tailored a radon mitigation solution that reduced the levels. I would highly recommend them for radon mitigation!"
Serving Sherman, CT and surrounding areas
Approved
In business since 1995
Free estimates
Credit card accepted
"The engineers who installed the radon mitigation system were knowledgeable and pleasant . They answered all of our questions patiently. They follow up and communicated with us within the year to check on the system. I recommend A & R enthusiastically."
+10
Serving Sherman, CT and surrounding areas
Approved
In business since 2018
Free estimates
Credit card accepted
"Doug helped us solve a radon air problem that other radon specialists were not able to help with. He goes the extra mile and really cares. He's fair and honest and works hard. We would not call anyone else but Doug!!"
+2
Serving Sherman, CT and surrounding areas
Approved
In business since 2015
Free estimates
Warranties offered
"I highly recommend Apex Radon Solutions. From getting the estimate to getting the work done, everything was just outstanding. Marco and his crew of 3 men showed up early and were all knowledgeable and extremely skilled. I had to install a radon fan and put in piping and electrical. They measured the piping with care and accuracy and did an excellent job with the installation. Iâ m truly impressed with the professionalism and quality of the work. They were also very reasonable with their prices. Thank you Apex for such great work."
+3
Serving Sherman, CT and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
I pride my company on reliability, great communication, integrity, and quality work. I am an expert in home inspections, mold testing and radon testing and remediation. I will do my absolute best to keep you as educated and informed on your particular inspection project. I look forward to earning your business! Book with me online or feel free to give me a call today! My focus is protecting your home investment.\n\nThank You,\nCharles Rauch\nOakhill Home Inspections
Serving Sherman, CT and surrounding areas
In business since 1980
Free estimates
Emergency services offered
"They were very professional. Took care of every aspect of the job. I would recommend them to anyone needing a radon system."
+5
Serving Sherman, CT and surrounding areas
In business since 1987
Free estimates
Emergency services offered
"The company provided the information I needed to know about the Radon System at no cost to me."
+22
Serving Sherman, CT and surrounding areas
In business since 2018
Free estimates
Emergency services offered
"Mike was very friendly, and knowledgeable. He inspected the entire house and sure enough he did find mold in our basement. His own reports helped us understand the Lab reports and he advised us on how to remediate the problems in our home. I highly recommend him for any inspections you need"
Serving Sherman, CT and surrounding areas
In business since 1987
Free estimates
Emergency services offered
CT Basement Systems Radon Inc., is a full service radon mitigation, well pump, and water treatment provider. We are the oldest and largest Connecticut based radon mitigation company offering radon, well pump, and water system service to all of CT, Southern MA, and Westchester County, NY. We have more NRPP Certified technicians on staff than any other radon company in the United States. Our well pump and water treatment division is staffed by some of the most seasoned industry professionals under the direct supervision of Matt Bednarz, a WQA Certified Water Specialist CWS VI, and CT & NY state licensed well pump and water system contractor. Add to that; 24 hour emergency "NO WATER" service and you have an unbeatable combination of ability and reliability. We can help you better than anyone...PERIOD!
+69
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.
