*The Angi rating for Radon Detection And Reduction companies in Sheridan, 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 Sheridan, 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 September 13, 2025
Serving Sheridan, 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 Sheridan, 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 Sheridan, IL and surrounding areas
Approved
In business since 2020
Free estimates
Warranties offered
"I had a great experience with this company. Doug did a fantastic job installing our radon mitigation system. He went above and beyond and sealed up some cracks in the basement concrete as well and explained how everything worked. I requested a quote only 3 days ago and it is already installed!"
Serving Sheridan, IL and surrounding areas
Approved
In business since 1957
Free estimates
Warranties offered
"Very professional, told us exactly what they were going to do, and they did exactly what they said. Our basement has been dry for 2 years now."
Serving Sheridan, 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 Sheridan, 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 Sheridan, IL and surrounding areas
In business since 1988
Free estimates
Stuedemann Radon Resolutions is a husband and wife team committed to providing expert personal radon-related services to the communities we serve, and is committed to providing all services in accordance with the requirements of the Radon Industry Licensing Act 32, Illinois Administrative Code 422, Licensing of Radon Mitigation Services, and our Quality Assurance Program (QAP). Compliance with our policy is mandatory for all Stuedemann Radon Resolutions, employees involved in radon-related services or practices.\nThe Stuedemann Promise:\nLife-time guarantee on workmanship & unconditional system success; Follow tradition of our 25-year commitment to use of only quality materials; fan manufacturer offer of 5 year warrantee on fan parts; system designed for all lowest-level conditions: basement, crawlspace, slabs; unconditionally guaranteed to reduce radon levels to below 4.0 pCi/L; family-owned and operated construction company since 1985; free estimates and fully insured.
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