How do you prevent radon in your home?

• <div><p>Keeping radon from getting into your home is much better than having to get rid of it once it's already indoors. While there may not be a way to fully prevent radon from getting into your home, there are things you can do to reduce the gas's ability to enter. </p><p>Sealing foundation cracks and openings can help keep the gas from seeping inside. Improving air flow, such as by opening windows, can also be helpful. If you're building your home from scratch, talk to your contractor about using radon-resistant construction to keep the gas out.</p></div>

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Q: What types of radon mitigation systems are available?

• <div><p>Options include sub-slab depressurization, crawlspace ventilation, and sealing cracks. Choose based on home construction and radon levels.</p></div>

Q: Can I perform radon gas abatement myself?

• <div><p>While DIY testing is possible, abatement generally requires professional installation to ensure efficacy and meet safety standards.</p></div>

Q: How much does it cost to replace a radon fan?

• <div><p>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.</p></div>

Q: How does radon enter my home?

• <div><p>Radon enters your home when warm air begins to rise and exits through the roof, creating a vacuum that pulls cooler air from under the foundation. Part of that air is radon, which is an invisible, odorless gas that develops naturally when radioactive particles are deep within the ground. Those particles usually come from decaying matter in soil and rocks.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Calmar, IA

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

Reviewed in February 2026
Mad City was very timely: arrived when they said they would, called ahead of time, and finished within the time frame. I was also impressed by how thoroughly Nick cleaned up after he was finished. The shower replacement is great and looks so much better than the old tub/shower combo that was...
Mad City Windows & Baths
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Reviewed in July 2025
Edgar’s communications via email, phone and text were great - he always responded quickly. And he always showed up on the day he said he would work. He and his team worked very hard day to day and also had very good manners. This was a big job - garage floor, corner lot with lots of sidewalks...
Camacho's Concrete LLC
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Reviewed in July 2025
Northland handyman services was the first to reach out to me about my project. They made it extremely easy for me to brief them on the project at hand and gave clear estimates around the work they could do and when. They came to scope the job right away, gave honest guidance and feedback...
Northland Handyman Services
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Reviewed in December 2024
Laura was extremely thorough and prompt. She always communicated anything she saw in my house that needed attention. She did a fantastic job, and I was sorry to see her moving out of my area.
Laura Gillespie Services
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Reviewed in November 2023
Done timely, reasonably priced and clean
Farley Construction LLC
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Reviewed in October 2023
Brian did a great job cleaning. He was very thorough and made sure he was doing everything as I wanted. Communication was excellent throughout the process.
B&L Cleaning Service
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Reviewed in June 2023
Attention to detail and amazing customer service
Johnson Construction
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Reviewed in June 2023
Anthony came down to finish the work that was unable to be completed and checked over the work done. Very very pleased with the workmanship and each workers’ work, politeness, and professionalism. Very satisfied.
River Valley Remodelers, LLC
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Reviewed in August 2022
Tyler was professional, responsive, timely and did a great job in a short window So glad I found him on Angi He will go a long way if he keeps that business model
Brags Sewer And Septic
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Reviewed in November 2021
Great, guy was friendly and professional, was up front and honest and affordable. I would hire him again to work on my computers.
Vorthmann Computer Repair
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Find Radon detection and reduction specialists in Calmar

Serving Calmar, IA and surrounding areas

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In business since 1989

Free estimates

Warranties offered

"This job was completed efficiently and professionally. A design specialist came to test and measure every detail for the project. The crew arrived with everything needed for the job. They worked very hard to install Waterguard in the concrete floors inside around the foundation to the sump pump basket. They also installed Geo-lock anchors to support a block wall that was bowed. This company has 36 years in business and provides excellent results and professional customer relations. Call Amer. Wtrwrks for a free estimate. You will not be disappointed. A wise investment of $11,270."

Increased Efficiency of Crawlspace in Elk Mound

+156

Response time3 hrs

641 neighbors recently requested a quote

Recommended by92%of homeowners

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Home Sweet Home Inspect Iowa Facebook

4.8(

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Serving Calmar, IA and surrounding areas

In business since 2020

Free estimates

Small jobs welcome

"Luis was very polite and professional! He explained the issues so I could understand. I would absolutely recommend him to others!"

+11

Response time3 hrs

Response rate88%

Recommended by100%of homeowners

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Radon Detection and Reduction questions, answered by experts

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

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

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.

Radon enters your home when warm air begins to rise and exits through the roof, creating a vacuum that pulls cooler air from under the foundation. Part of that air is radon, which is an invisible, odorless gas that develops naturally when radioactive particles are deep within the ground. Those particles usually come from decaying matter in soil and rocks.

Keeping radon from getting into your home is much better than having to get rid of it once it's already indoors. While there may not be a way to fully prevent radon from getting into your home, there are things you can do to reduce the gas's ability to enter.

Sealing foundation cracks and openings can help keep the gas from seeping inside. Improving air flow, such as by opening windows, can also be helpful. If you're building your home from scratch, talk to your contractor about using radon-resistant construction to keep the gas out.

The Calmar, IA 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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