*The Angi rating for Radon Detection And Reduction companies in Frederica, DE 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 Frederica, DE 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 13, 2026
Serving Frederica, DE and surrounding areas
Approved
In business since 2010
Free estimates
Emergency services offered
"It was a system that was needed to reduce radon in our basement"
+2
Serving Frederica, DE and surrounding areas
Approved
In business since 2016
Free estimates
Warranties offered
"Bill explained the whole process of the inspections, answered all my questions and was very through. I would definitely recommend him and his company!"
Serving Frederica, DE and surrounding areas
In business since 1985
Free estimates
Emergency services offered
"Chris Barcikowski was on time, cordial, professional and spent a reasonable time checking our home issues. He provided us with recommendations on the action to take to solve the water standing inside the air ducts. He did testing for possible mold conditions and siad the results should be ready for us by this Friday, 9/12.."
Serving Frederica, DE and surrounding areas
In business since 2002
Free estimates
"The Technician Tom was very educated and took time to answer my questions to which I all ready new the answers to. This was my test to his knowledge before we got started on the job. H was very good explaining the operation of the system to us, which helped my wife hear it from a different person other then myself. Workmanship is very neat and clean and a very professional job. I hail form a service background of 35 years and can say Tom was an excellent customer service person."
Serving Frederica, DE and surrounding areas
In business since 1998
Credit card accepted
"Sussex Environmental Health Consultants, LLC always answers the phone, just a good company to work with. They are receptive to our needs."
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.
