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Find Radon gas testers in Winnetka

Avatar for Signature Water and Fire Restoration
Signature Water and Fire Restoration
New to Angi

Serving Winnetka, IL and surrounding areas

Approved

In business since 2013

Emergency services offered

Credit card accepted

Signature Water and Fire Restoration Company is an Illinois based company that offers a full range of property restoration services while combining the latest technologies and state-of-the-art restoration techniques. Our services cover water damage restoration, mold remediation, fire damage restoration and odor removal, cleaning services including carpet cleaning, repair and reinstallation.

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+7

Response time10 hrs
2 neighbors recently requested a quote
Avatar for MJG Home Inspections P.C.
MJG Home Inspections P.C.
5.0(
93
)

Serving Winnetka, IL and surrounding areas

In business since 2013

Free estimates

Warranties offered

"A++ service. Mike performed an excellent job testing a house we are in the process of purchasing in addition to the Radon testing. We found him to be personable, straight forward, detailed, honest and informative. Each area of concern, Mike provided clear details for the rating given which included pictures with arrows pointing to the exact location. Overall process went smoothly. Would gladly hire again in the future and/or provide as a reference."
Recommended by100%of homeowners
Avatar for VSI Radon Reduction Corp.
VSI Radon Reduction Corp.
4.9(
82
)

Serving Winnetka, IL and surrounding areas

In business since 1987

Free estimates

Warranties offered

"VSI is the real deal. After testing my house & finding levels too high, I started searching for mitigation (Angie, HomeAdvisor, Yelp, etc.). VSI was on every list, their website is extremely informative, and the founder (Mr. Volsted) even created courses @ U of Chicago about radon – some reputation! Then my personal trainer showed me a picture of her radon mitigation system and there was the VSI sticker. So I called, Kevin answered quickly, and after several questions he gave me a quote over the phone & sent emailed it within the hour. A week later Guy and his crew came and did an exceptional job installing the system. Very professional work – respectful of property, wore booties inside, vacuum attachment on concrete drills so minimal dust, and cleaned up everywhere. Great color match on outside piping. Guy even did a smoke test w/ pilot holes to demonstrate the suction beneath the basement floor. Guy gave detailed explanations & answered all my questions. I have a continuous monitoring system and even within a few hours radon levels have already dropped significantly. Very satisfied, highly recommended!"
Recommended by93%of homeowners
Radon Testers Inc
5.0(
20
)

Serving Winnetka, IL and surrounding areas

In business since 1998

Free estimates

Emergency services offered

"We used Radon Testers for testing in our home in Chicago. I was very pleased with the responsiveness and professionalism of the company. They are also very technology enabled - you can make appointments online, you will receive an auto text when they are on the phone and test results are sent in .pdf form via email. Great stuff! <br />"
Recommended by100%of homeowners
Avatar for Inspect, Inc.
Inspect, Inc.
5.0(
32
)

Serving Winnetka, IL and surrounding areas

In business since 1983

Free estimates

Warranties offered

"My fiancé and I needed a home inspection and Radon testing for two houses. We are first time buyers so Mike was very thorough on the inspection and took the time out to teach us everything to look for. The pricing was expensive compared to other providers, but I thought he was worth it. We ended up going with a different house and he dropped the price for a repeat customer"
Recommended by100%of homeowners
Avatar for At Home Inspections, Inc.
At Home Inspections, Inc.
5.0(
38
)

Serving Winnetka, IL and surrounding areas

In business since 2002

Free estimates

Warranties offered

"I’ve had home inspections before but I have never been more impressed with the thoroughness, knowledge, and customer service of Dedric Moore from At Home Inspections, Inc. He was communicative, happy to answer all of my questions, and clearly explained the content and implications of his findings"
Recommended by100%of homeowners
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FAQs for radon gas testing projects in Winnetka, IL

Radon is the second leading cause of lung cancer in the U.S. The gas seeps through cracks in foundations and collects in basements and other low areas. Once you breathe it in, radioactive particles lodge in lung tissue and do long-term damage. Because you can’t see or smell radon, the EPA recommends testing your home every two years—and after major renovations—to keep your family safe.

Yes—every home should be tested. The EPA advises doing it at least every two years and any time you remodel, buy, or sell. On average, one in 15 houses nationwide sits above the recommended limit, and the only way to know where yours stands is a formal test. The equipment simply measures gas levels and won’t change your indoor environment, so the process is completely harmless.

Certified radon professionals—often home inspectors or dedicated radon mitigation contractors—handle testing. These radon testing professionals follow EPA protocols and use calibrated instruments to check levels throughout your house. Hiring a certified radon specialist means results you can trust for real estate deals, insurance requirements, and, most importantly, your family’s health.

Inspectors specialize in measuring radon gas levels, while licensed mitigation contractors design and install the systems that remove it. If your test comes back high, your inspector can point you to a qualified mitigation pro who will size and install the right fan, piping, or other equipment to bring levels down.

No—standard home air purifiers don’t touch radon. They’re built to trap dust and pollen, not radioactive gas. If testing shows high levels, you’ll need a dedicated mitigation system that vents the gas from beneath your home to the outdoors. Relying on a room purifier alone won’t keep your indoor air safe.

Opening a few windows in your home might dilute radon for a short time, but the gas seeps back in as soon as they’re closed. For a lasting fix, you’ll need a professional mitigation system—often a sub-slab depressurization fan—that pulls radon from beneath the foundation and safely vents it outside.

The Winnetka, IL homeowners’ guide to radon gas testings

From average costs to expert advice, get all the answers you need to get your job done.