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Q: Is radon a serious problem?

• <div><p>Radon is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).</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: 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: What if radon is still high after mitigation?

• <div><p>You'll need to test your home for radon after installing the mitigation system, then again every two years. If radon remains elevated, contact a licensed radon professional, either the contractor who installed the system or a different one, and have them evaluate the system. They may need to make some changes to improve its effectiveness and performance.</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>

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

*The Angi rating for Radon Detection And Reduction companies in Sedalia, 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 Sedalia, 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 23, 2026

Reviewed in April 2026
I had an excellent experience with Midwest Tree Removal Service and would highly recommend them to anyone in need of tree or shrub work. From the very beginning, their team was incredibly quick to respond to my request for a bid, which made the whole process smooth and stress-free. Their...
MIDWEST TREE REMOVAL SERVICES LLC
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Reviewed in July 2025
Quick to respond and complete the install. Great company and will use them again in the future for other projects needed on my home.
Watson Plumbing LLC
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Reviewed in November 2024
Hodges, roofing and siding was very responsive and did a great job.
Hodges Roofing & Siding, LLC
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Reviewed in March 2024
Professional, friendly and quality service at a fair price. Tree looks a lot better and cleaned up after work was finished. Definitely recommend and would hire again. Thank you very much!
Big Branch Tree Company
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Reviewed in March 2024
I have had excellent service. I had a new roof put on and various other repair project done by this company. Showed up on time and stayed with the job. Very easy to work with. I am pleased with the work and will call them for future projects.
TruBuilt Construction LLC
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Reviewed in February 2024
I highly recommend Missouri Arborist Company, Chris was able to eliminate pest in my trees also trim a tree that was almost dead and is better than ever now, his knowledge of his work is amazing plus his honesty and integrity, very reliable Tree service.
Rippey Arboriculture, LLC dba Missouri Arborist Company
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Reviewed in January 2024
I hired them to clean my gutters, power wash my gutters and roof, and spray a protectant on my roof. I found them to be kind, polite, and hard working young men. They did a very good job.
Midwest Pro Roof & Gutter Services
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Reviewed in October 2023
It went great! They communicated often and very respectfully, followed up when there were rain days and with other information to keep us in the loop. Worked quickly through our deck and it was done in a couple of days (working with rain in the afternoons/weather delays). It would’ve been...
Wells Professional Painting
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Reviewed in July 2023
Could not find an option for trim work. But anyway, was knowledgeable about the worked asked to be done and trimmed out my windows and doors. Did a very nice job.
Integrity Trim And Baseboards
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Reviewed in July 2022
Just bought my first house and had a lot of dead limbs and stuff growing over the house. They came out to assess everything within a couple days of first contact and then came back to do the job when it was convenient for me. The did a great job and will be using them in the future to thin out a...
Big Branch Tree Company
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Find Radon detection and reduction specialists in Sedalia

Mid MO Inspectors

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Serving Sedalia, 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

Radon is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).

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.

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.

You'll need to test your home for radon after installing the mitigation system, then again every two years. If radon remains elevated, contact a licensed radon professional, either the contractor who installed the system or a different one, and have them evaluate the system. They may need to make some changes to improve its effectiveness and performance.

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

The Sedalia, 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

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.
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.
Jacqueline DeMarco
•
Apr 5, 2026Apr 5, 2026
DIY Radon Mitigation: A Step-by-Step Guide
Want to learn how to master DIY radon mitigation? We have a step-by-step guide on how to complete this challenging project on your own.
Audrey Bruno
•
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.
Amy Freeman
•
Apr 5, 2026Apr 5, 2026
How to Install a Radon Mitigation System
Did your radon test come back high? Here's what you need to know about how to install a radon mitigation system to protect your home and family.