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Top-Rated Radon detection and reduction specialists in Williamsville - Updated Nov 2026

Avatar for Certified Radon Systems
Certified Radon Systems
5.0(
35
)
Radon Gas - Abatement

Serving Williamsville, NY and surrounding areas

In business since 2007

Free estimates

Credit card accepted

"I couldn't have asked for a better experience. I checked a few Radon companies and Certified Radon was the best. They seemed to be the most knowledgeable, had the best warranty/guarantee, and actually came in cheaper than some of the others. They brought my radon level from a mid-6 to less than 1 on the first test. If you need radon services I would highly recommend."
Clean exterior
Clean exterior
Suction point
Sump pit
Clean exterior

+2

Response time12 hrs
Response rate85%
Recommended by100%of homeowners
Avatar for WNY Radon Solutions, LLC
WNY Radon Solutions, LLC
0.5(
2
)
Radon Gas - AbatementRadon Gas - Testing

Serving Williamsville, NY and surrounding areas

In business since 2009

Free estimates

Warranties offered

WNY Radon Solutions, LLC, is a professionally certified and insured Testing and Abatemanet company that serves Western New York clients. \nWe take your concerns very seriously and do our best to explain our service and how they will help your radon issues. \nPlease contact us for a consultation on all of your Radon conerns. \nReferences available.

 Sump lid fastened to sump crock above floor
 Raised Container w/Access Panel Open
 Recessed Sump Crock Cover
 Last Suction Line in Sub-Slab System
View of lid and Suction line

+19

Recommended by100%of homeowners
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Radon Detection and Reduction FAQs, answered by experts

Ideally, no one will live in a house with elevated radon levels, as prolonged exposure increases the risk of serious health issues like lung cancer. However, homes with radon can be made safe through mitigation systems, such as active soil depressurization. Testing for radon regularly and addressing high levels helps ensure a safe living environment.

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

No level of radon is technically safe, but since it is present everywhere, complete avoidance is impossible. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking preventative measures if your home's radon levels are between 2 and 4 pCi/L or higher.

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

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.

The Williamsville, 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.