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*The Angi rating for Radon Detection And Reduction companies in Warrens, WI 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 Warrens, WI 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 February 11, 2026

Find Radon detection and reduction specialists in Warrens

Avatar for American Waterworks
American Waterworks
4.6(
170
)

Serving Warrens, WI and surrounding areas

Approved

In business since 1989

Free estimates

Warranties offered

"American Waterworks did a great job installing my home's radon remediation system. I highly recommend them for this kind of job."
Another Sinking Floor
Dirt Crawlspace in Elk Mound, WI
Concrete stoop had sunk over 6 inches
Foundation Failure Signs
Increased Efficiency of Crawlspace in Elk Mound

+156

Response time3 hrs
645 neighbors recently requested a quote
Recommended by92%of homeowners
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Avatar for New Horizons Radon Testing & Mitigation
New Horizons Radon Testing & Mitigation
5.0(
61
)

Serving Warrens, WI and surrounding areas

In business since 2017

Free estimates

Emergency services offered

"The owner was the installer of our radon mitigation pump. Jeremy is very polite and respectful and was very thorough in explaining the work before, during, and after the job."
crawl space sump cap
outside view
Another External fan installation
Tight spaces
Response time4 hrs
Response rate85%
Recommended by92%of homeowners
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Tradesman Home Inspection, LLC
5.0(
2
)

Serving Warrens, WI and surrounding areas

In business since 2021

Free estimates

Scott is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business

Response time1 day
Recommended by100%of homeowners
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Radon Detection and Reduction questions, answered by experts

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

The soil beneath your house is most likely what’s causing an increased level of radon. This is because soil holds radioactivity for a long time and it’s also what most buildings are built on. Another common source of radon is water from a source that hasn’t been through periodic radon tests, such as well water. Over time, the radon from the soil can inhabit other parts of your house like the foundation or plumbing.

Installing a mitigation system reduces radon levels, which can cause lung cancer, providing peace of mind and long-term health benefits. It can also increase your home’s value, as many buyers prefer properties with radon safety measures in place. The investment is relatively low compared to the potential health risks associated with prolonged radon exposure.

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.

Mitigation can take several days depending on home setup, equipment accessibility, and achieving effective diffusion system sealed efficiency.

The Warrens, WI 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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