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*The Angi rating for Radon Detection And Reduction companies in Fort Atkinson, IA 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 Fort Atkinson, IA 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 May 20, 2026

Top-Rated Radon detection and reduction specialists in Fort Atkinson - Updated Nov 2026

Avatar for American Waterworks
American Waterworks
4.5(
173
)
Radon Gas - AbatementRadon Gas - Testing

Serving Fort Atkinson, IA 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 time4 hrs
499 neighbors recently requested a quote
Recommended by91%of homeowners
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Avatar for SWAT Environmental, Inc.
SWAT Environmental, Inc.
4.5(
13
)
Radon Gas - Abatement

Serving Fort Atkinson, IA and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"Our radon specialist, Tim Milledge, was terrific. Communication was excellent, he arrived on time, was professional, courteous and experienced. He was able to run the pipe line and place the other equipment in a way to be unobtrusive and did nothing to detract from the aesthetics of our property. He explained post procedures and cleaned up after himself, unusual these days with service providers, and completed the installation quickly and efficiently. We would highly recommend SWAT and, in particular Tim."
Response time1 day
Recommended by100%of homeowners
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Avatar for Home Sweet Home Inspect Iowa Facebook
Home Sweet Home Inspect Iowa Facebook
4.8(
12
)
Radon Gas - Testing

Serving Fort Atkinson, IA and surrounding areas

In business since 2020

Free estimates

Small jobs welcome

Home Sweet Home Inspections, LLC is a small and local business, which is owned and operated by a US Veteran. \n \nMY MISSION: \nMy mission is to provide my clients with high standard of Home Inspections and Radon Testing services that are carried out with honesty, detailed attention, and within a timely manner. \n \nWHY HIRING ME? \nWhether my clients are home buyers or home sellers; my inspection report provides them with the information they need to make an informed decision about the property being inspected. \n \nHere are some key features that set my company?s standards: \n-Certified Professional Inspector by InterNACHI; \n-Operates under structured Standards of Practice, a Code of Ethics, and a solid Quality Assurance Plan; \n-Fully Insured. Also backed by InterNACHI $25,000 Honor Guarantee; \n-Same day report; \n-Condos & Town Homes = $250.00. Single-family Homes = $275.00. Regardless of size.

Roof Inspection
Venting conduit
Company Logo
A service
Promotions.Because you deserve it!

+11

Response time3 hrs
Response rate88%
Recommended by100%of homeowners
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Radon Detection and Reduction FAQs, answered by experts

The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.

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 mitigation system may be loud because it’s time to replace it. Any sounds are usually from the inline fan that helps create the vacuum and resulting airflow. If you hear a new, loud mechanical or humming noise from your radon fan, it might be time to replace it. Most fans used in radon mitigation systems last up to 10 years, but may need to be replaced sooner.

The average radon mitigation system uses about 876 kWh of electricity per year, although the exact amount of electricity used will vary depending on the size of the radon fan. Once the system is installed, the annual increase to your energy bill could range from $30 to $300 per year, again depending on the size of the fan.

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.

The Fort Atkinson, IA homeowners’ guide to radon detection and reduction services

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