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Verified Reviews for Radon Detection And Reduction pros in Moundville, AL

*The Angi rating for Radon Detection And Reduction companies in Moundville, AL 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 Moundville, AL 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 December 11, 2025

Find Radon detection and reduction specialists in Moundville

Avatar for DEH Sales Group, LLC
DEH Sales Group, LLC
5.0(
28
)
Radon Gas - AbatementRadon Gas - Testing

Serving Moundville, AL and surrounding areas

In business since 2000

Free estimates

Credit card accepted

"We hired David to do an inspection and Radon test for a home we are planning on buying. He was very professional and capable in all of his inspection. He was very polite and not afraid to get dirty or to find everything going on in the home. He had answers for all my questions and knows what he is doing."
90 year old house
Crawlspaces aren't pretty.
The only Certified ASHI inspector in the area.
Crawlspaces aren't pretty.
90 year old house

+2

Response time30 mins
Response rate92%
Recommended by100%of homeowners
Request Quote
Bioremsci LLC
New to Angi
Radon Gas - Testing

Serving Moundville, AL and surrounding areas

In business since 2012

Emergency services offered

Offers commercial services

see our website at www.bioremsci.com for full description of our company and its services. We believe that we are one of only a very few companies in the USA that has our range of qualifications and experiences in biological sampling, testing, issue coordination, and problem resolution/industrial hygiene protocol development and monitoring.

Response time4 hrs
Response rate100%
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Avatar for Mitchell Water Control and Mold Solutions
Mitchell Water Control and Mold Solutions
5.0(
1
)
Radon Gas - AbatementRadon Gas - Testing

Serving Moundville, AL and surrounding areas

In business since 2019

Free estimates

Emergency services offered

"It went great and the professionalism was very impressive. Now the venhilation through the house is way cleaner thank you very much Mitchellwaterproofing!"
Recommended by100%of homeowners
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Radon Detection and Reduction questions, answered by experts

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.

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.

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

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.

The Moundville, AL 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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