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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 time1 day
629 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 time3 hrs
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

The lifespan of a radon mitigation system depends on the type of system and its maintenance. With proper care, a system can last for many decades. Passive systems tend to last longer as they have fewer components that require replacement. Active systems, which have more moving parts like fans, generally have a shorter lifespan. For instance, water filtration devices and active pressurization systems require more frequent maintenance. While the system as a whole is durable, the radon fan in an active system typically has a lifespan of 5 to 10 years and will need to be replaced. As long as the fan is working, the mitigation system should function correctly.

The cost to replace a radon fan ranges from $300 to $600 for the fan itself, with installation adding an additional $200 to $500. Overall, the total cost for replacement can range from $500 to $1,100, depending on factors such as the fan model, home size, and local labor rates. If the fan is part of a larger radon mitigation system, the price may be higher.

Options include sub-slab depressurization, crawlspace ventilation, and sealing cracks. Choose based on home construction and radon levels.

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

Radon is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).

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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