Top-rated radon detection and reduction specialists.

Best radon detection and reduction specialists near Montreal, WI

Q: How long does the radon abatement process usually take?

• <div><p>Mitigation can take several days depending on home setup, equipment accessibility, and achieving effective diffusion system sealed efficiency.</p></div>

Q: What are the health risks associated with radon exposure in homes?

• <div><p>Long-term exposure increases lung cancer risks. Prolonged homestay individuals and smokers encounter heightened vulnerability and exposure concerns.</p></div>

Q: What if radon is still high after mitigation?

• <div><p>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.</p></div>

Q: Do radon mitigation systems come with warranties?

• <div><p>Yes, many systems include warranties for performance. Confirm terms with your installer.</p></div>

Q: Can I install my own radon mitigation system?

• <div><p>A <a href="https://www.angi.com/articles/can-homeowners-install-radon-mitigation-systems.htm">homeowner can install a radon mitigation system</a> on their own. But it&rsquo;s a challenging DIY that requires a lot of knowledge about radon mitigation as well as familiarity with local regulations. You do not want to risk an improper installation that leaves the system unable to detect radon or gives it a shortened life span. Relying on a professional is the surest way to guarantee a successful installation.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Montreal, WI

*The Angi rating for Radon Detection And Reduction companies in Montreal, WI 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 Montreal, WI 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 August 27, 2026

Reviewed in August 2026
Superior Asphalt arrived this afternoon and had paved our entire 187 foot driveway. They gave us an exceptional driveway at a great price. The crew was friendly, hardworking, diligent, fast, and extremely professional. My husband has wanted our driveway paved for roughly 30 years and...
Superior Asphalt Services LLC
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Reviewed in June 2026
Highly recommend- fabulous work, very courteous and pleasant. They cleaned everything in the house too to bottom and it?s never been cleaner :)
Clear Choice Cleaning
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Reviewed in July 2025
I am so grateful for the work G and J did for me. Josh is an amazing man and a very knowledgeable in his work. He is so patient and hard working and kind. He is reliable and came 2 X to my home. It thank you so much, Josh, for your service.
G and J Plumbing PLLC
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Reviewed in June 2025
Brycen and crew replaced my retaining wall. The before was a weedy mess with collapsing stairs. Its now weed free, paved, new stairs, and rock landscaping. Excellent job. I highly recommend Kitto Property Maintenance
Kitto's Property Maintenance
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Reviewed in September 2023
Very good prep work and application, Drive way looks much better, Very hard workers.
RAM Contracting
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Reviewed in August 2022
They were awesome. Got everything cleaned that needed to be done on my RV. Very timely efficient and detail orientated on cleaning. Highly recommend. Would hire them again whenever I need it.
Splash Power Washing LLC
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Reviewed in May 2022
I would highly recommend 5Star...they were on time from the beginning...everyone we dealt with was polite, knowledgeable and helpful. I was pleasantly surprised at the project being done in a matter of hours and the very good price. I will use them again. Jackee G. Hartland WI
Five Star Painting of Waukesha
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Reviewed in September 2021
He did a great job! He was very professional and timely!
Northland Mosquito Control
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Reviewed in August 2021
Great craftsmanship and a great worker
Rustic Renovations of WI
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Top-Rated Radon detection and reduction specialists in Montreal - Updated Nov 2026

JW Rothrock Inc

New to Angi

Radon Gas - AbatementRadon Gas - Testing

Serving Montreal, WI and surrounding areas

In business since 1994

For lead testing and other specialty services JW Rothrock Inc. is Wisconsin's premier in lead testing as well as abatement. For cost effective and professional service JW Rothrock is by far above and beyond the rest.

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Radon Detection and Reduction FAQs, answered by experts

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

Long-term exposure increases lung cancer risks. Prolonged homestay individuals and smokers encounter heightened vulnerability and exposure concerns.

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.

Yes, many systems include warranties for performance. Confirm terms with your installer.

A homeowner can install a radon mitigation system on their own. But it’s a challenging DIY that requires a lot of knowledge about radon mitigation as well as familiarity with local regulations. You do not want to risk an improper installation that leaves the system unable to detect radon or gives it a shortened life span. Relying on a professional is the surest way to guarantee a successful installation.

The Montreal, WI 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.

See all articles

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Oct 30, 2026Oct 30, 2026
How Much Does Radon Remediation Cost? [2026 Data]
Get clear answers on how much radon remediation costs, including average prices, key cost factors, and tips to save money on your home’s radon mitigation.
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Sep 28, 2026Sep 28, 2026
How Much Does a Radon Mitigation System Cost? [2026 Data]
The cost of a radon mitigation system depends mostly on the type of system being installed. Use this guide to learn about your options.
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How Much Does Radon Testing Cost? [2026 Data]
Find out what impacts radon testing costs, including average prices for DIY kits and professional services, so you can protect your home and budget confidently.
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•
Jul 9, 2026Jul 9, 2026
Who Installs Radon Mitigation Systems?
Radon is a gas that you can't see or smell and is harmful to your health. If your home has radon, you need to know who installs radon mitigation systems.
Jacqueline DeMarco
•
Jul 9, 2026Jul 9, 2026
What Is Radon Testing?
What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.
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Jul 8, 2026Jul 8, 2026
How to Test for Radon in Your Home
Knowing how to test for radon will keep your home free and safe from this odorless gas—you just have to decide whether to do it yourself or hire a pro.