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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: Do radon mitigation systems come with warranties?

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

Q: How often should you replace a radon fan?

• <div><p>Many radon fans carry a five-year manufacturer's warranty. That said, your radon fan should last between five and ten years. Regular inspections will ensure the fan is operating properly. Unusual or exceptional noise coming from the fan or indications on your manometer or system monitor can immediately tell you that something is amiss.</p></div>

Q: What would cause radon in a house?

• <div><p>The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.</p></div>

Q: What are the benefits of radon mitigation?

• <div><p>Mitigation reduces radon levels, protecting your health and complying with safety standards.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Marion, MS

*The Angi rating for Radon Detection And Reduction companies in Marion, MS 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 Marion, MS 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 February 12, 2026

Reviewed in February 2026
Wallace made a process that I had dreaded for years as painless as I could have hoped for. Identified problem areas and how he would address them. Very well pleased with his company and the entire process.
Crown Roofing Group, LLC
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Reviewed in January 2026
Darren and his crew did an exceptional job removing all items from the location. very professional and polite
Dumpster Dog
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Reviewed in April 2024
MORGANS LLC IS AN AMAZING VENDOR TO USE. THEY ARE ORGANIZED AND DID AMAZING WORK ON OUR BACK PORCH AT OUR LAKE HOUSE BEFORE OUR ENGAGEMENT PARTY BACK IN AUGUST 2023. THEY CAME A COUPLE OF DAYS IN ROW AND COMPLETED THE WORK AND DID AN OUTSTANDING JOB INSTALLING OUR PORCH SPRINKLER SYSTEM. THEY...
Morgans LLC
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Reviewed in February 2024
Johnson Electric is honest, hardworking, on time and efficient. I would highly recommend Johnson Electric for home improvement electrical work and other electrical services.
B. Johnson Electric LLC
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Reviewed in January 2024
Zach was wonderful at explaining every repair completion and why it was needed. He was also very professional and curteous at all times.
Pine Country Plumbing
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Reviewed in September 2023
I would highly recommend this company for replacing your roof. The process was smooth and easy. Jermaine was the best!!!! His customer service skills are impeccable! He answered all of our questions and explained everything in detail. Jermaine was very patient and polite. He was very prompt in...
Washingtons Roofing
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Reviewed in April 2023
It went pretty good. They were quick and efficient. They got the job done right and upfront.
bells heating and cooling
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Reviewed in October 2022
The best service I have . Very professional and a great price. Mr Dean went above and beyond for me.
American PHC
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Reviewed in January 2022
Always there and clean and fast
Plant Professors 101, LLC
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Reviewed in June 2021
It went very well. My house and sidewalk have new life. All the mold and mildew are gone. The carport sparkles white. I am very satisfied.
Lion Express Power Washing
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Radon Detection and Reduction questions, answered by experts

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.

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

Many radon fans carry a five-year manufacturer's warranty. That said, your radon fan should last between five and ten years. Regular inspections will ensure the fan is operating properly. Unusual or exceptional noise coming from the fan or indications on your manometer or system monitor can immediately tell you that something is amiss.

The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.

Mitigation reduces radon levels, protecting your health and complying with safety standards.

The Marion, MS 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

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.
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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.
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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.
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•
Apr 10, 2026Apr 10, 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.
Audrey Bruno
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May 3, 2026May 3, 2026
How to Test for Radon in Your Home
Knowing how to test for radon will keep your home free and safe from this odorless gas—you just have to decide whether to do it yourself or hire a pro.
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May 2, 2026May 2, 2026
Can a Homeowner Install a Radon Mitigation System?
Can a homeowner install a radon mitigation system? While some parts of the project are fine for DIY, you should leave the meat of the task to a licensed professional.