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Q: What steps should be taken if high radon levels are detected?

• <div><p>If high radon levels are detected, steps include sealing entry points, installing a mitigation system, and retesting the air regularly to ensure reduced levels.</p></div>

Q: What is the biggest source of radon?

• <div><p>The soil beneath your house is most likely what&rsquo;s causing an increased level of radon. This is because soil holds radioactivity for a long time and it&rsquo;s also what most buildings are built on. Another common source of radon is water from a source that hasn&rsquo;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.</p></div>

Q: Can I use my sump pit for radon mitigation?

• <div><p>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.</p></div>

Q: How often should radon levels be tested to ensure safety?

• <div><p>Testing every 2-5 years or upon adjusting occupancy or structural changes maintains safe environments.</p></div>

Q: How much electricity does a radon mitigation system use?

• <div><p>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 <b>$30 to $300 per year</b>, again depending on the size of the fan.</p></div>

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

*The Angi rating for Radon Detection And Reduction companies in Malvern, 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 Malvern, 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 August 04, 2025

Reviewed in August 2025
My only regret is not getting this done sooner! They were so fast to respond and so helpful every step of the way. My dogs have truly never been happier.
Dog Guard
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Reviewed in July 2025
Exceptional craftsmanship on our Cedar deck! They went above and beyond, especially with our stairs and working with our city on permits. Sadly, we had a hail stoem the following year, so they also did our roof, gutters, and re-stained our deck for us . They were easy to work with and...
Ironclad
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Reviewed in June 2025
Devin was great! Got all my trees down and hauled off! Cleaned up the yard and gutters,looks so much better! Reasonable and professional .
Veteran Owned Tree Removal
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Reviewed in January 2025
Recently, we worked on our bathroom with Remodeling Home Advisors. They were fantastic and honest, and we made a significant improvement. The only contractors I've ever worked with are those that I choose to improve upon from the original plan. The cost of remodeling our bathroom was well worth...
Remodeling Home Advisors
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Reviewed in July 2024
I called and they showed up the next day to power wash my driveway and sidewalk. It looks amazing! Very nice people.
Z&C Services
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Reviewed in October 2023
Randy and his team were a dream to work with! Randy and Chris were super easy to work with-they kept in constant communication, sent updated pics throughout the process, answered all my questions and had great ideas for paint color schemes. The painters were friendly, efficient, extremely hard...
Timmons Painting Plus, LLC
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Reviewed in September 2023
It was a positive experience. The installers were informative and professional.
National Radon Defense Midwest
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Reviewed in February 2023
Ryan and Kaden worked well together very nice very polite - did an excellent job took photos of finished attic to show me they cleaned up when done highly recommended this company and this team
Energy Nerds
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Reviewed in October 2022
I can't say enough good things about Husker Deck and Patio. Dakota and his crew do amazing work with great craftsmanship, but most importantly, they are always professional, and exhibit great communication and care. I would recommend them to anyone looking to "step up" your deck...
Husker Deck & Patio, LLC
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Reviewed in June 2022
Set up appointment and showed up as promised. Cleanup was great
Kanesville Valley Inc
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Find Radon detection and reduction specialists in Malvern

National Radon Defense Midwest

4.7(

)

Serving Malvern, IA and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"National Radon Defense Midwest employees were very knowledgeable and helpful. As we were selling our house we discovered that we had high radon readings and needed to mitigate the problem. They explained to us the process and clearly identified what they would recommend to resolve the issue. We thought it was very reasonably priced and feel confident intheir products, staff and installation"

Crawlspace Encapsulation with Radon Mitigation

+15

Response time1 day

36 neighbors recently requested a quote

Recommended by96%of homeowners

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Home Sweet Home Inspect Iowa Facebook

4.8(

)

Serving Malvern, 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

If high radon levels are detected, steps include sealing entry points, installing a mitigation system, and retesting the air regularly to ensure reduced levels.

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.

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.

Testing every 2-5 years or upon adjusting occupancy or structural changes maintains safe environments.

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 Malvern, 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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Mar 18, 2026Mar 18, 2026
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How to Install a Radon Mitigation System
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