Top-rated radon detection and reduction specialists.

Best radon detection and reduction specialists near Gerald, MO

Q: How much does a radon mitigation system cost?

• <div><p>The cost for a radon mitigation system typically ranges from $800 to $1,500, with an average around $1,000. The final price depends on several factors, including the size of your home, the severity of the radon issue, and the type of system required. Your home's foundation type also significantly impacts the cost. For example, sealing and ventilating an unfinished basement might cost around $4,600, while encapsulating a crawl space without a foundation slab can range from $1,500 to $15,000.</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>

Q: Do radon mitigation systems come with warranties?

• <div><p>Yes, many systems include warranties for performance. Confirm terms with your installer.</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>

Q: How long does radon mitigation take?

• <div><p>Installation typically takes 1-2 days, depending on the system and property layout.</p></div>

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

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

Reviewed in October 2026
I have had a couple of projects done and very well satisfied, the work was done professionally with the scope and parameters met. I do recommend Michael R. Gesellschap for your next project.
Michael R. Gesellschap - MRG
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Reviewed in July 2026
This was my first time getting my house and driveway power washed, he answered all of my questions and concerns. Definitely recommend!!
JADEE Exterior Services
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Reviewed in June 2026
Customer service was exceptionable and a pleasant experience. We had tree damage that cut our ComEd power (3PM). After ComEd cut tree limbs we were told the Weather Head had to be replaced before power was restored. We searched Angi & contacted MD (4AM) they texted within minutes and asked...
MD ELECTRICAL CONSTRUCTION SERVICES INC.
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Reviewed in September 2025
Samuel worked fast and efficiently to get our water pipes repaired when we had a leak. He went above and beyond to get the repairs done.
Collective Enterprise
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Reviewed in July 2025
Brendon was great to deal with, and he showed up on time and his price was more than fair. Very happy with the work he performed. I would use Sanders Home Solutions again for future projects.
Sanders Home Solutions
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Reviewed in July 2025
Lee Electric did an awesome job for us. He came and did what we asked, fixed all the outlets we needed replaced and offered suggestions but in no way tried to push anything extra on us. He was quick and professional and did an excellent job! I have elderly parents and he was very kind and...
Lee Electric
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Reviewed in April 2025
Our roof lost shingles during the recent storms which resulted in a leak. I found Mathis through Angi and I’m so glad I did. The guys came out on a Sunday to replace the shingles. They were super polite and professional and did a great job. I will definitely use their services again when...
MATHIS SIDING AND EXTERIOR FINISH LLC
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Reviewed in November 2024
Tom and Tony did a great job painting our fascia, soffits and garage doors. Rogers Painting showed up and finished the job within the time frame they originally gave us. Rare these days! Very nice people to do business with.
Rogers Painting, LLC - Home Facebook
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Reviewed in February 2024
I hired them to put floor in my man cave and they did great. They came in and got straight to work and was able to get it done pretty quickly and they cleaned up and it looks great would highly recommend.
MO JOINERS LLC
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Reviewed in June 2023
Zach did a great job on our lawn. He cut, trimmed and blew the clippings so it looked very nice. He was on time and did this on one of the hottest days. I would recommend him for your lawn care.
Edelen's Clean Cut Services
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Top-Rated Radon detection and reduction specialists in Gerald - Updated Nov 2026

ATM Home Inspection, LLC

4.8(

)

Radon Gas - Testing

Serving Gerald, MO and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

"Rob did a great job explaining the process as I walked around the house. Not only did he find things that I didn't see, he explained what needed to be done to correct the problems Very knowledgeable and would recommend him to anyone. Thanks Rob!!!"

Response time50 mins

Response rate89%

Recommended by97%of homeowners

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Metro Radon Control of St. Louis, LLC

4.9(

171

)

Radon Gas - Abatement

Serving Gerald, 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 Gerald, 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 Gerald, 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 Gerald, 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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Armistead Contracting

3.5(

)

Radon Gas - Testing

Serving Gerald, MO and surrounding areas

In business since 2016

Free estimates

Credit card accepted

"Very professional, clean and neat"

Response time2 days

Recommended by71%of homeowners

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Radon Detection and Reduction FAQs, answered by experts

The cost for a radon mitigation system typically ranges from $800 to $1,500, with an average around $1,000. The final price depends on several factors, including the size of your home, the severity of the radon issue, and the type of system required. Your home's foundation type also significantly impacts the cost. For example, sealing and ventilating an unfinished basement might cost around $4,600, while encapsulating a crawl space without a foundation slab can range from $1,500 to $15,000.

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.

Yes, many systems include warranties for performance. Confirm terms with your installer.

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.

Installation typically takes 1-2 days, depending on the system and property layout.

The Gerald, 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.

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