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Q: What is considered a safe or dangerous level of radon?

• <div><p>No level of radon is technically safe, but since it is present everywhere, complete avoidance is impossible. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking preventative measures if your home's radon levels are between 2 and 4 pCi/L or higher.</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: What are the benefits of radon mitigation?

• <div><p>Mitigation reduces radon levels, protecting your health and complying with 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: 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>

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Verified Reviews for Radon Detection And Reduction pros in Seward, NE

*The Angi rating for Radon Detection And Reduction companies in Seward, NE 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 Seward, NE 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 October 01, 2025

Reviewed in October 2025
They did a fantastic job. They were easy to get ahold of, and they were able to fix my water damaged dry wall quickly. I reached out to them and they responded within a day.
Edmister Construction
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Reviewed in May 2025
They were quick and efficient.
Epp Foundation Repair
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Reviewed in March 2025
Our experience in a new home with mold spores was extremely frustrating. With the uniqueness of our crawl space we were uncertain to what the best solution would be and Groundworks help this resolve our issue. Luis Vasquez, Sa Aung, and Emanuel Valdez where the tradesmen that showed up to...
Groundworks
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Reviewed in July 2024
Turtle Roofing is my go to whenever I have exterior damage to any of my structures. The owners and salespeople are extremely knowledgeable and helpful, and they were more than willing to work with some special requests we had. They were easy to reach and dependable. They worked with my insurance...
Turtle Roofing
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Reviewed in February 2023
Eric was great got the job done I didn't have to watch him. And it was very personable, And knew what he was talking about. He got the job done quickly and efficiently! Thank you Eric
H & S Plumbing Heating & A/C
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Reviewed in September 2022
Ira has been consistent and really provides outstanding service! He is conscientious and always willing to provide what my lawn needs for a fair and reasonable price! Definitely will continue with Ira for my lawn care and maintenance
Ira's Greens
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Reviewed in June 2022
Please pass on my kind words so someone up the line knows you have a great employee in Chris. He took time to come out today and install a new battery and set everything up for me. I am once again up and running. Chris arrived early, was neat in appearance, polite and very efficient. He did a...
Sentry Electric Inc
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Reviewed in April 2022
This is the second time I've used this company and their knowledge and expertise are invaluable. They are also competitively priced. I plan to continue to use this company for future tree needs
Stormy Tree Service
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Reviewed in December 2021
They are so great to work with and so helpful and do such an awesome job! Will definitely hire them again!
Veteran Tree Service
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Reviewed in November 2021
Installed a large picture window feb. 2020 when it was the record cold spell, and 5 degree exterior temp. The guys came in, removed the old and installed the new in about 40-45 minutes! The shocker was the $10 savings in gas and electric during the record cold from the previous months bills!! We...
Bristol Windows, Inc
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Find Radon detection and reduction specialists in Seward

National Radon Defense Midwest

4.7(

)

Serving Seward, NE and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"We needed to reduce the Radon in our basement. They were very patient, explained what they would do and how it would be done. The installed was VERY professional and knew the work that needed done. He was polite and efficient. He has done this work many years and completed the work. They guaranteed the Radon to be 4.0 and under."

Crawlspace Encapsulation with Radon Mitigation

+15

Response time1 day

36 neighbors recently requested a quote

Recommended by96%of homeowners

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Radon Detection and Reduction questions, answered by experts

No level of radon is technically safe, but since it is present everywhere, complete avoidance is impossible. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking preventative measures if your home's radon levels are between 2 and 4 pCi/L or higher.

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.

Mitigation reduces radon levels, protecting your health and complying with 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.

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

The Seward, NE 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.

See all articles

Angi
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Mar 18, 2026Mar 18, 2026
How Much Does Radon Testing Cost? [2026 Data]
Find out what impacts radon testing costs, including average prices for DIY kits and professional services, so you can protect your home and budget confidently.
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Apr 6, 2026Apr 6, 2026
How Much Does Radon Remediation Cost? [2026 Data]
Get clear answers on how much radon remediation costs, including average prices, key cost factors, and tips to save money on your home’s radon mitigation.
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•
Mar 18, 2026Mar 18, 2026
How Much Does a Radon Mitigation System Cost? [2026 Data]
The cost of a radon mitigation system depends mostly on the type of system being installed. Use this guide to learn about your options.
Kyle Schurman
•
May 21, 2026May 21, 2026
How Does a Radon Mitigation System Work? And How Do You Keep Yourself Safe?
How does a radon mitigation system work? Learn more about how it pulls air and radon from the soil and expels it before it can enter your house.
Angi
•
May 21, 2026May 21, 2026
How to Hire a Radon Testing Pro
Learn how to hire a qualified radon testing pro for your home. Find certified professionals, understand costs, and get expert tips to protect your family.
Kyle Schurman
•
Apr 8, 2026Apr 8, 2026
How Long Does a Radon Mitigation System Last?
How long does a radon mitigation system last? A properly installed and maintained system can last 20 years or more, but various issues can reduce the life span.