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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: Why is my radon mitigation system so loud?

• <div><p>Your radon mitigation system may be loud because it&rsquo;s time to replace it. Any sounds are usually from the inline fan that helps create the vacuum and resulting airflow. If you hear a new, loud mechanical or humming noise from your radon fan, it might be time to replace it. Most fans used in radon mitigation systems last up to 10 years, but may need to be replaced sooner.</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: 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 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>

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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 September 23, 2025

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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Reviewed in June 2023
They were exceptional, quick response and showed up with all the materials on the truck needed for the job including the necessary tools. Never complained about anything and was very pleased to help and very polite, had their own broom and dust pan and cleaned up after they were finished. Told...
Spark Daddy LLC
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Reviewed in April 2023
It went amazing he was very professional and went straight to work. His work is the best. Very friendly. He helped sand and paint the whole outside of my house and did a great job fixing my ceiling that had cracks in it from an overweight attic fan.
Bassett's Brush and Roll LLC
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Reviewed in October 2022
Gildehaus Hardscapes did a fantastic job! I asked for some stone retaining walls and steps for around my pool and I received that and more within my budget. I am very happy with the work they did and the ideas they came up with. It looks amazing! Better than I could have imagined. Adam and his...
Gildehaus Hardscapes, LLC
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Find Radon detection and reduction specialists in Gerald

ATM Home Inspection, LLC

4.8(

)

Serving Gerald, MO and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

"Time will tell but seemed knowledgeable, they were very informative for us during the inspection and before and their report is well laid out with all that they reviewed including relevant pictures (with arrows, circles on important parts)."

Response time50 mins

Response rate88%

1 neighbors recently requested a quote

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Braun's Inspection Consultants

4.7(

)

Serving Gerald, MO and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"Professional and timely service provided. A thorough review by James."

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(

)

Serving Gerald, MO and surrounding areas

In business since 2016

Free estimates

Credit card accepted

"They showed up early and did a gteat job. They cleaned up everything after they were done!"

Response time2 days

Recommended by71%of homeowners

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Radon Detection and Reduction questions, answered by experts

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.

Your radon mitigation system may be loud because it’s time to replace it. Any sounds are usually from the inline fan that helps create the vacuum and resulting airflow. If you hear a new, loud mechanical or humming noise from your radon fan, it might be time to replace it. Most fans used in radon mitigation systems last up to 10 years, but may need to be replaced sooner.

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

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

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.

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.

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.
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.
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.
Jacqueline DeMarco
•
May 2, 2026May 2, 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.
Amy Freeman
•
May 2, 2026May 2, 2026
How to Get Rid of Radon in Your Home
Radon can seep into your home through cracks and small openings. Here's how to get rid of radon and why you need to do it.
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.