Top-rated radon detection and reduction specialists.

Best radon detection and reduction specialists near Petersburg, IL

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: 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 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: How do I test for radon gas?

• <div><p>Use a radon test kit or hire professionals to conduct a detailed assessment of radon levels in your home.</p></div>

Q: Can you remediate radon yourself?

• <div><p>There are steps you can take as a homeowner to remediate radon yourself. While a radon reduction professional can make the biggest impact in your home, you can make efforts to improve radon levels on your own by sealing cracks, increasing ventilation, and testing for radon regularly.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Petersburg, IL

*The Angi rating for Radon Detection And Reduction companies in Petersburg, IL 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 Petersburg, IL 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 January 07, 2026

Reviewed in January 2026
Crystal and Alisa do an amazing job! I can’t put into words how lovely it is to come home to a clean house. They work hard and care about their clients. They love our dogs and even give them water or let them out while they clean. I can’t recommend them enough!!
Cleanworx
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Reviewed in October 2024
In-N-Out Power Washing did a fantastic job on our multi-level deck and sidewalks. They were affordable, prompt, friendly and high quality. I have nothing but praise for the job they did. I highly recommend them.
In n Out Power Washing
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Reviewed in August 2024
I was searching for a contractor to install a big deck in my backyard and found Aaron and I am VERY glad I did. They did an AMAZING JOB with this project. Very professional and courteous!!! They paid attention to every detail of the project with recommendations that I would never have thought...
God Inspired Everist Designs
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Reviewed in May 2024
My house is over 100 years old, with complicated issues and complicated colors. The guys were very careful to check with me during the course of the project to make sure they had the correct plan for each room. Carlos was especially helpful and did excellent careful work , which I very much...
CertaPro Painters of Bloomington-Peoria
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Reviewed in August 2023
Done quickly, efficiently, and with minimal disruption.
Burchett Stump Grinding
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Reviewed in March 2023
L and R is a wonderful family owned and operated business!! They did an amazing job and was fair on the prices! 100% satisfied and will be using them in the future!
L&R Junk Removal
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Reviewed in December 2022
Alexander was on time and very professional: Alexander and his team went above and beyond. Showed up, worked quickly and cleaned up. Did a little extra work to my gutters and did a repair to my roof.
Hebb's Tree Service
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Reviewed in October 2022
Nick did great work and was very helpful and knowledgeable. A++++++
Fernandez Wallcovering
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Reviewed in October 2022
This company was responsive, curtious and professional. They did a great job removing very old large appliances from the basement within a very tight space and had to take the appliances upstairs to the main level. They did what others wouldn't or couldn't do. They were also prompt and nice to...
L&J's Junk Removal
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Reviewed in September 2022
Joshua M has worked for my whole family set up Wifi and set up all the cell phones and computers systems for my husband. Very punctual and timely I highly recommend them for any tech job you need.
DIS Tech Services
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Top-Rated Radon detection and reduction specialists in Petersburg - Updated Nov 2026

Home Inspections by Dana - Home Facebook

New to Angi

Radon Gas - Testing

Serving Petersburg, IL and surrounding areas

In business since 2016

Free estimates

Credit card accepted

25 years experience \n- family owned \n- Veteran \n-

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Radon Detection and Reduction FAQs, answered by experts

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

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

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.

Use a radon test kit or hire professionals to conduct a detailed assessment of radon levels in your home.

There are steps you can take as a homeowner to remediate radon yourself. While a radon reduction professional can make the biggest impact in your home, you can make efforts to improve radon levels on your own by sealing cracks, increasing ventilation, and testing for radon regularly.

The Petersburg, IL 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
•
Sep 28, 2026Sep 28, 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
•
Oct 30, 2026Oct 30, 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
•
Sep 23, 2026Sep 23, 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.
Amy Freeman
•
Jul 9, 2026Jul 9, 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.
Jacqueline DeMarco
•
Jul 9, 2026Jul 9, 2026
What Is Radon and How Does It Get In Your Home?
What is radon gas? Find out what this radioactive gas is, why it is dangerous, how it gets in your home, and how to mitigate it.
Jacqueline DeMarco
•
Jul 9, 2026Jul 9, 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.