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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 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 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 is radon gas abatement professionally handled?

• <div><p>Abatement includes sealing entry points and venting with systems that reduce radon levels below recommended EPA limits. It is handled by certified professionals.</p></div>

Q: How long can you go without a radon fan?

• <div><p>Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Alton, MO

*The Angi rating for Radon Detection And Reduction companies in Alton, MO 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 Alton, MO 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 07, 2025

Reviewed in October 2025
Rick helped with replacing some rotted subfloor, removing an old furnace, insulating under the house, insulating water lines, and putting up skirting around the home. Put us in a good spot before winter hits. Great with communication and was able to help us quickly after requesting assistance.
Rick's Handyman & Remodel Service
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Reviewed in July 2022
Horrible. I said services "were performed" but technically not. He turned up ripped out my antique roses, ripped out a slew of wires, made a big mess. Then said this was not worth his time and left everything just out, hanging there. So no payment was made. He was rude, unprofessional and...
Tompkins Pump Service LLC
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Reviewed in March 2021
He is a really good worker, and has a lot of integrity.
Greer Renovation - Home Facebook
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Reviewed in April 2020
I hired Jeremy and his crew for a few projects that needed done to sell our home. Their work looks great and they completed everything very quickly! Jeremy kept in touch with me with any changes in time or materials. His whole crew was fantastic!
JM Home and Property Services
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Reviewed in May 2019
Answered all my questions. They were Very kind and respectful. They were so professional the job was Done quickly.
Birkhead Professional Tree Care
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Reviewed in October 2018
Fine, working great. They young man was extremely nice and did a good job.
Tritan Plumbing
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Reviewed in July 2014
They said they would give me price back on the bid and then I never heard from them again. They seemed professional and everything. I just don't know if they were too busy for me or why I didn't hear back from them, I have no idea. They seem competent. They showed up when they were supposed to...
Elite Aire LLC
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Reviewed in May 2014
Everything was just as they described, quality materials and installation. <br /> Job was done on time and on budget.
SOUTHEAST HOME IMPROVEMENT
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Reviewed in October 2012
It was a wonderful experience. Mark is masterful in the way he handles difficult transactions. My probate was complicated and some personalities challenging. Mark's experience of 28 years allowed him the finesse to conclude our business in a timely manner. He went above and beyond the call...
Mark Lambert - Realty One Group
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Reviewed in October 2012
The owner indicated that he had built this type of fence before, but it quickly became evident that he had not. The first set of posts (set in concrete) were too short and incorrectly installed, and they all had to be removed. Construction spread out over three weeks, partly due to weather,...
West Plains Fence Inc
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Find Radon detection and reduction specialists in Alton

Ozark Radon Gone Corp.

5.0(

)

Serving Alton, MO and surrounding areas

In business since 2021

Free estimates

"Very satisfied with Brian's workmanship and professionalism. Quality of installation was excellent. Our radon reading immediately lowered to well below safe level."

Response time7 hrs

Response rate85%

4 neighbors recently requested a quote

Serving Alton, MO and surrounding areas

In business since 2023

Free estimates

Credit card accepted

"I was extremely happy with the Quality Air Test that Mr Clark provided. It was reasonably priced and done effectively and efficiently… Results were received in a timely manner as he explained. He answered any questions I had and was professional and polite… I highly recommend HASS Consulting…"

Response time1 day

Recommended by75%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.

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

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

Abatement includes sealing entry points and venting with systems that reduce radon levels below recommended EPA limits. It is handled by certified professionals.

Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.

The Alton, MO 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

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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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•
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
•
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.
Jacqueline DeMarco
•
Apr 5, 2026Apr 5, 2026
DIY Radon Mitigation: A Step-by-Step Guide
Want to learn how to master DIY radon mitigation? We have a step-by-step guide on how to complete this challenging project on your own.
Amy Freeman
•
Apr 5, 2026Apr 5, 2026
Who Installs Radon Mitigation Systems?
Radon is a gas that you can't see or smell and is harmful to your health. If your home has radon, you need to know who installs radon mitigation systems.