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Verified Reviews for Radon Detection And Reduction pros in Charleston, SC

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

*The HomeAdvisor rating for Radon Detection And Reduction companies in Charleston, 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.

Last update on May 31, 2026

Find Radon detection and reduction specialists in Charleston

Avatar for Integrity Home Inspection Services Group, LLC
Integrity Home Inspection Services Group, LLC
4.9(
72
)

Serving Charleston, SC and surrounding areas

Approved

In business since 2014

Free estimates

Credit card accepted

"We hired Alan to perform a Radon test for us in our new home. Alan was very professional. He was responsive and flexible with his schedule to meet our needs. He was a pleasure to work with. We will be using him again for any additional services we require (home inspections, etc...)"
Crawlspace Inspection
Response time2 hrs
Response rate93%
Recommended by96%of homeowners
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Avatar for Sabal Home Inspections
Sabal Home Inspections
New to Angi

Serving Charleston, SC and surrounding areas

In business since 2024

Free estimates

Warranties offered

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.\n\n\n

Response time2 days
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B.K.S.S. Construction
New to Angi

Serving Charleston, SC and surrounding areas

In business since 2021

Free estimates

Emergency services offered

B.K.S.S. Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

Response time4 hrs
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Radon Detection and Reduction questions, answered by experts

Radon detection is crucial as prolonged exposure to radon gas, a leading cause of lung cancer, poses significant health risks in residential environments.

The cost for a radon mitigation system typically ranges from $800 to $1,500, with an average around $1,000. The final price depends on several factors, including the size of your home, the severity of the radon issue, and the type of system required. Your home's foundation type also significantly impacts the cost. For example, sealing and ventilating an unfinished basement might cost around $4,600, while encapsulating a crawl space without a foundation slab can range from $1,500 to $15,000.

The lifespan of a radon mitigation system depends on the type of system and its maintenance. With proper care, a system can last for many decades. Passive systems tend to last longer as they have fewer components that require replacement. Active systems, which have more moving parts like fans, generally have a shorter lifespan. For instance, water filtration devices and active pressurization systems require more frequent maintenance. While the system as a whole is durable, the radon fan in an active system typically has a lifespan of 5 to 10 years and will need to be replaced. As long as the fan is working, the mitigation system should function correctly.

You can vent radon out of your house sometimes by simply opening a window, but it won’t remove the source, and will likely rise above recommended levels quickly. A professional will be needed to assess your home, and determine the best strategy for radon removal. Active radon sump pumps and soil depressurization systems are often used to forcefully vent the radon from your home.

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.

The Charleston, 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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