*The Angi rating for Radon Detection And Reduction companies in Ottawa, 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 Ottawa, 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 August 24, 2025
Serving Ottawa, 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 Ottawa, IL and surrounding areas
Approved
In business since 1957
Free estimates
Warranties offered
"as above. spent over an hour inspecting and testing"
Serving Ottawa, 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 Ottawa, 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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