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*The Angi rating for Radon Detection And Reduction companies in Sanford, NY 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 Sanford, NY 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 July 15, 2026

Find Radon detection and reduction specialists in Sanford

Avatar for Apex Home Inspection Services, LLC
Apex Home Inspection Services, LLC
5.0(
12
)
Radon Gas - Testing

Serving Sanford, NY and surrounding areas

Approved

In business since 2018

Free estimates

Customers say: Quick response

"All went well and I would recommend Scott from Apex to anyone who wants a thourgh and well priced inspection."
Breaker box
Electrical panel
Response time12 hrs
Recommended by100%of homeowners
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Avatar for Professional Home Inspection Service, Inc.
Professional Home Inspection Service, Inc.
5.0(
6
)
Radon Gas - AbatementRadon Gas - Testing

Serving Sanford, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Warranties offered

"The most friendly and professional people to work with. Excellent communication, prompt service, and high quality work. They are a generous business, and really know their stuff. Customer satisfaction is their top priority, and this is a very satisfied customer."
Response time1 day
66 neighbors recently requested a quote
Recommended by50%of homeowners
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VAST RESTORATION SERVICES LLC.
New to Angi
Radon Gas - AbatementRadon Gas - Testing

Serving Sanford, NY and surrounding areas

I am a hardworking, organized, and efficient professional dedicated to delivering high-quality results in every project I undertake. As the owner of a new lead abatement and demolition business, I bring strong leadership skills and a hands-on approach to ensuring safety, compliance, and customer satisfaction. My attention to detail and commitment to excellence set the foundation for dependable service, timely project completion, and long-term client relationships.

3 neighbors recently requested a quote
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Radon Detection and Reduction questions, answered by experts

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 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.

No, air purifiers are not an effective way to reduce or remove radon. Radon is a radioactive, inert gas that cannot be filtered by standard air purifiers, which are designed to capture particulates like dust and mold. While an air purifier can improve indoor air quality by removing other pollutants, it should not be relied upon for radon. The only effective solution for high radon levels is a dedicated radon mitigation system.

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.

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 Sanford, NY 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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