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*The Angi rating for Radon Detection And Reduction companies in Nesmith, SC 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.

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Last update on June 05, 2026

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Avatar for SWAT Environmental, Inc.
SWAT Environmental, Inc.
4.8(
10
)

Serving Nesmith, SC and surrounding areas

In business since 2002

Free estimates

Credit card accepted

"Had them come out to install a Radon Mitigation Fan. Service was fast and the installer was extremely knowledgable. He was in an out within an hour and the radon dropped from a 4 to a 0.59! Extremely happy with the result. Price wasn't cheap by any means but definitely fixed our problem."
Recommended by100%of homeowners
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Radon Detection and Reduction questions, answered by experts

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

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.

The fan that pulls the radon out of the air needs to run continuously, so you may see an increase in your electric bill once you install the mitigation system. Additionally, you may see an increase in your heating or cooling bills, as the fan can cause some loss of hot or cool air.

If high radon levels are detected, steps include sealing entry points, installing a mitigation system, and retesting the air regularly to ensure reduced levels.

The Nesmith, SC 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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