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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: 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: How often should you replace a radon fan?

• <div><p>Many radon fans carry a five-year manufacturer's warranty. That said, your radon fan should last between five and ten years. Regular inspections will ensure the fan is operating properly. Unusual or exceptional noise coming from the fan or indications on your manometer or system monitor can immediately tell you that something is amiss.</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>

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>

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

*The Angi rating for Radon Detection And Reduction companies in Roca, 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 Roca, 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 December 20, 2025

Reviewed in December 2025
Joelene was kind efficient and thorough?I have an old house and she makes my wood floors shine! I really appreciate her flexibility and helpfulness!
Joelenes Cleaning Services
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Reviewed in December 2025
Mark and crew at Joshua Tree removed a Cedar tree and ground 3 stumps at a very good price and the work was done safely and with care to the properties involved. Highly recommend.
Joshua Tree Stump Grinding, Root, and Vegetation Removal Services
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Reviewed in July 2024
M & R fencing was excellent to work with and I am completely satisfied with how they installed our cedar fence. They were meticulous and very good at keeping me informed on each and every step. I would recommend this company to anyone.
M&R Fencing
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Reviewed in August 2023
Mark responded quickly and counselled us on surface roots we wanted to cut out. He did the project for us and we were very happy with results.
Joshua Tree Stump Grinding, Root, and Vegetation Removal Services
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Reviewed in May 2023
Prime Time Tree Services did a fantastic job removing tree branches away from my house and cutting down shrubs. They were professional and cleaned up after themselves. Will be recommending them and using them again in the future.
Prime Time Tree Services, LLC
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Reviewed in April 2023
We had them remove stumps and trim four very large trees. Their price was very reasonable and the work was amazing. Our trees look great and no more branches falling unexpectedly. We highly recommend them!
Stormy Tree Service
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Reviewed in November 2022
Professional, cut down the tree the day after we met. Raked up the debris and removed it from my yard. Said they would come back and remove the stump. I am pleased!
Hurricane Tree Service
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Reviewed in October 2022
Stu was very easy to work with and does high quality work. He provided me with the options and information I needed to make my decision.
Stu's Plumbing
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Reviewed in April 2022
They do a really nice job! They were very prompt and came out the same day and have our air conditioning fixed. They were great and provided a good customer service.
Capitol Heating & Air Conditioning Inc
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Find Radon detection and reduction specialists in Roca

National Radon Defense Midwest

4.7(

)

Serving Roca, 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

37 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.

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

Many radon fans carry a five-year manufacturer's warranty. That said, your radon fan should last between five and ten years. Regular inspections will ensure the fan is operating properly. Unusual or exceptional noise coming from the fan or indications on your manometer or system monitor can immediately tell you that something is amiss.

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.

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 Roca, 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

Mitchell Grant
•
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.
Alison Kasch
•
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.
Angi
•
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.
Audrey Bruno
•
May 2, 2026May 2, 2026
Can a Homeowner Install a Radon Mitigation System?
Can a homeowner install a radon mitigation system? While some parts of the project are fine for DIY, you should leave the meat of the task to a licensed professional.
Jacqueline DeMarco
•
Apr 10, 2026Apr 10, 2026
What Is Radon Testing?
What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.
Kate Fann
•
Apr 9, 2026Apr 9, 2026
Radon Mitigation System Diagram: Understanding How It Works
You need to protect your home from radon, but what does a radon mitigation system look like? Check out this radon mitigation system diagram to learn how it works.