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*The Angi rating for Radon Detection And Reduction companies in Minonk, 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 Minonk, 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 December 27, 2025

Find Radon detection and reduction specialists in Minonk

Avatar for U.S. Waterproofing
U.S. Waterproofing
4.3(
596
)

Serving Minonk, IL and surrounding areas

Approved

In business since 1957

Free estimates

Warranties offered

"Called company on Monday and got an appointment for an inspection on Wednesday. That following Monday, the technician arrived and went through each step is sealing off the concrete foundation to the water leak. The fix worked well and was put to the test with the recent record rains. Not one drop of water came into the basement."
Radon Mitigation
Radon Mitigation
Basement Waterproofing
Basement Waterproofing
Response time1 day
Response rate100%
16 neighbors recently requested a quote
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Avatar for Stuedemann Radon Resolutions
Stuedemann Radon Resolutions
New to Angi

Serving Minonk, 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.

Response time7 hrs
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Radon Detection and Reduction questions, answered by experts

The cost for a radon mitigation system typically ranges from $800 to $1,500, with an average around $1,000. The final price depends on several factors, including the size of your home, the severity of the radon issue, and the type of system required. Your home's foundation type also significantly impacts the cost. For example, sealing and ventilating an unfinished basement might cost around $4,600, while encapsulating a crawl space without a foundation slab can range from $1,500 to $15,000.

Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.

While DIY testing is possible, abatement generally requires professional installation to ensure efficacy and meet safety standards.

No level of radon is technically safe, but since it is naturally present everywhere, it is impossible to avoid entirely. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking action to reduce radon levels if your home's test results are between 2 and 4 pCi/L or higher.

If your home has a sump pit, you can integrate it with a radon mitigation system. You can accomplish this by sealing the pump cover with an airtight lid that accommodates radon vent pipes and sump pump hoses. This allows the vent pipe to redirect the radon gas outside of your home.

The Minonk, IL homeowners’ guide to radon detection and reduction services

From average costs to expert advice, get all the answers you need to get your job done.

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