Top-rated radon detection and reduction specialists.

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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 long does the radon abatement process usually take?

• <div><p>Mitigation can take several days depending on home setup, equipment accessibility, and achieving effective diffusion system sealed efficiency.</p></div>

Q: What are the health risks associated with radon exposure in homes?

• <div><p>Long-term exposure increases lung cancer risks. Prolonged homestay individuals and smokers encounter heightened vulnerability and exposure concerns.</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>

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>

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

*The Angi rating for Radon Detection And Reduction companies in Hermann, 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 Hermann, 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 April 14, 2026

Reviewed in April 2026
Randy’s team did an amazing job on our deck, driveway and siding. I highly recommend him and his team for any power washing needs.
Elite Parking Lot Detailing
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Reviewed in January 2026
He was super nice and I loved the way he cut my tree
Garcia Lawn Services
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Reviewed in June 2025
This was actually a job Shannon and the crew did for us on some steel foundation work, posts, beams and columns. Steelwork was cleaned, prepped, primed and protected with multiple coats in about 8-10hrs. Really great color and finish, we are nearly going on 18 months with no fading, wear,...
A Touch Above Painting
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Reviewed in December 2023
Bill and his son did an excellent job. He called me to let me know when he was going to arrive, kept me posted through out, loaded the items promptly in a covered trailer, and was extremely professional and courteous. A fantastic veteran owned business that I am honored to endorse and...
Chaos Cleanup Crew - Junk Removal, LLC
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Reviewed in November 2023
Awesome job! Efficient and Professional! Thank you, again!!
T & J Tree Service LLC
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Reviewed in July 2023
Don was very professional and prompt. He communicated well, and provided excellent service! We will gladly work with him again!
Reliable Septic & Portable Toilet
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Reviewed in December 2022
My homeowners insurance told me I had to clean up my yard/ flower beds to be insurable.. I connected with this company through Angis List. It was a fantastic experience. I was able to set everything up through text and the work was done immediately. I connected with them on Monday, they sent me...
CTC Landscaping, LLC
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Reviewed in July 2022
I had a large historic house with lots of trim and the work was exceptional. I have recommended them many times:)
Exceptional Interior and Exterior Painting Services
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Reviewed in February 2022
Chase J., James M. and Tanner S. called when they were coming, and showed up to do the work. They explained everything actually recommended putting piers on the inside of my garage, instead of outside to better match my concrete and only have to dig out in one spot, which actually saved me a...
Foundation Recovery Systems
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Reviewed in February 2022
Always checked with us and explained everything as to how the project would be completed. Awesome customer service.
CS Fencing & Lawns, LLC
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Find Radon detection and reduction specialists in Hermann

Metro Radon Control of St. Louis, LLC

4.9(

171

)

Radon Gas - Abatement

Serving Hermann, MO and surrounding areas

In business since 2011

Free estimates

Emergency services offered

"He was very professional and courteous. He brought a radon gas monitor in my home to test radon levels and he said that everything was okay. And I didn’t have a problem with radon."

Response time6 hrs

Recommended by99%of homeowners

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SWAT Environmental, Inc.

4.5(

)

Radon Gas - Abatement

Serving Hermann, MO and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"Overall everything was pretty good. I felt the installation could have looked much cleaner but it is fine. I still haven't re tested to see what my radon levels are now."

Recommended by97%of homeowners

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Braun's Inspection Consultants

4.7(

)

Radon Gas - Testing

Serving Hermann, MO and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"very professional and conscientious. timely in responses and thorough in inspection"

Recommended by100%of homeowners

Serving Hermann, MO and surrounding areas

In business since 2005

Free estimates

Mid MO Inspectors will provide you or your business with a full service approach to all your inspection needs. Please feel confident in contacting Mid MO Inspectors for your next inspection.

Recommended by100%of homeowners

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Radon Detection and Reduction questions, answered by experts

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

Mitigation can take several days depending on home setup, equipment accessibility, and achieving effective diffusion system sealed efficiency.

Long-term exposure increases lung cancer risks. Prolonged homestay individuals and smokers encounter heightened vulnerability and exposure concerns.

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.

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

The Hermann, 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

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.
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.