Top-rated radon detection and reduction specialists.

Get matched with top radon detection and reduction specialists in Gillette, WY

Q: What is the biggest source of radon?

• <div><p>The soil beneath your house is most likely what&rsquo;s causing an increased level of radon. This is because soil holds radioactivity for a long time and it&rsquo;s also what most buildings are built on. Another common source of radon is water from a source that hasn&rsquo;t been through periodic radon tests, such as well water. Over time, the radon from the soil can inhabit other parts of your house like the foundation or plumbing.</p></div>

Q: How do I test for radon gas?

• <div><p>Use a radon test kit or hire professionals to conduct a detailed assessment of radon levels in your home.</p></div>

Q: What types of radon mitigation systems are available?

• <div><p>Options include sub-slab depressurization, crawlspace ventilation, and sealing cracks. Choose based on home construction and radon levels.</p></div>

Q: How long does radon mitigation take?

• <div><p>Installation typically takes 1-2 days, depending on the system and property layout.</p></div>

Q: Why is my radon mitigation system so loud?

• <div><p>Your radon mitigation system may be loud because it&rsquo;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.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Gillette, WY

*The Angi rating for Radon Detection And Reduction companies in Gillette, WY 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 Gillette, WY 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 04, 2026

Reviewed in May 2026
He was so great to work with! He showed up on time and got everything done and cleaned up in record time!
JW Builders LLC
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Reviewed in March 2026
Iron mountain was a great company to work with. They poured retaining walls, new concrete steps and sidewalks at my commercial building and the work is beautiful. They were great with the required schedules, performing work professionally, and keeping the job site cleaned up. I highly recommend...
Iron Mountain Concrete
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Reviewed in October 2025
Why you should hire this guy: When my garage door kept tripping and I couldn’t figure out why, I called Brett. He showed up fast, found the problem right away, and had it fixed in no time. The whole process was smooth — he explained what he was doing, stayed in touch, and didn’t waste a...
2/Z ELECTRICAL LLC
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Reviewed in July 2025
The workers were fast and efficient, they took extra care that no damage occurred to a small tree below the one they cut down. Extra care was given to the lawn and fence. When they left, there was no sign they had even been there. It is a huge understatement to say I was impressed with them and...
American Tree and Forestry Care, LLC
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Reviewed in July 2024
It was wonderful overall 10 out of 10 my yard looks better then it's looked in a while I'm a single mom and it's hard doing everything around the house especially my yard but Micheal the wonderful gentleman he is got it done quick and efficient and was so sweet the whole time.
Green Acres Lawn Care
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Reviewed in April 2024
They arrived at scheduled time and cleaned my HVAC system throughly and explained everything to me in detail. Chuck was great. Would recommend to anyone
Hoskinson Contracting
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Reviewed in September 2023
No complaints at all, great customer service and kept us informed throughout the whole process. Installers did a great job and were very efficient.
Renewal by Andersen of Wyoming
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Reviewed in February 2023
This was the first remodeling project we've ever done at our house. He consulted with me initially and had a lot of good information to share and a portfolio to look at to give me a good idea of his work and ability. We told him we had no clue about remodeling, and he took the time to walk us...
Creative Home Improvements
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Reviewed in October 2022
Excellent service in every aspect. Respectful, accountable, worked very hard and did a beautiful job on entire yard (shaping and trimming bushes and shrubs, landscaping). Cleaned up after each day of work and always left my yard better than it was when he got here. Would recommend Cutting...
Cutting Edge Lawn Care, LLC
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Reviewed in October 2022
He is very fair and keeps the customer up to date on how things are going, does a very thorough job of price checking and materials needed before the project starts, and he is also very friendly and helpful!
James General Contracting
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Find Radon detection and reduction specialists in Gillette

ALO Radon

4.9(

)

Serving Gillette, WY and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Anthony with ALO Radon came out and did a CRM radon test for us. He was very knowledgable about radon and patient enough to answer all my questions. I recommend these guys to anyone needing radon work done. Why is there no RADON category? I will have to file this under HOME INSPECTION I guess."

+13

Response time3 hrs

Response rate94%

Recommended by92%of homeowners

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Blackburn Foundation Repair, LLC

4.6(

)

Serving Gillette, WY and surrounding areas

Approved

In business since 1992

Free estimates

Warranties offered

"Excellent service! Pro was nice, easy to work with, professional! Never would have known he was here, he cleaned the working area so well! I would definitely recommend Blackburn Basement!!"

Response time1 day

87 neighbors recently requested a quote

Recommended by80%of homeowners

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Bison Plains Home Inspection, LLC

New to Angi

Serving Gillette, WY and surrounding areas

Approved

In business since 2000

Free estimates

Credit card accepted

Bison Plains Home Inspection, LLC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 10 years of hands on experience to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

Response time8 hrs

Serving Gillette, WY and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"They were the best in experience and background, they went in and did their job in 24 hrs our radon gases decreased for 90%, I'm impressed, they are who they are"

Recommended by100%of homeowners

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Alpha Radon Mitigation

New to Angi

Serving Gillette, WY and surrounding areas

In business since 2016

Free estimates

Credit card accepted

Alpha Radon Mitigation, 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 time20 mins

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T12 Inspections Facebook

New to Angi

Serving Gillette, WY and surrounding areas

In business since 2020

Free estimates

Credit card accepted

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.

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Radon Detection and Reduction questions, answered by experts

The soil beneath your house is most likely what’s causing an increased level of radon. This is because soil holds radioactivity for a long time and it’s also what most buildings are built on. Another common source of radon is water from a source that hasn’t been through periodic radon tests, such as well water. Over time, the radon from the soil can inhabit other parts of your house like the foundation or plumbing.

Use a radon test kit or hire professionals to conduct a detailed assessment of radon levels in your home.

Options include sub-slab depressurization, crawlspace ventilation, and sealing cracks. Choose based on home construction and radon levels.

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

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 Gillette, WY 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

Angi
•
Mar 18, 2026Mar 18, 2026
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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 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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May 21, 2026May 21, 2026
How to Hire a Radon Testing Pro
Learn how to hire a qualified radon testing pro for your home. Find certified professionals, understand costs, and get expert tips to protect your family.
Kyle Schurman
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May 21, 2026May 21, 2026
How Does a Radon Mitigation System Work? And How Do You Keep Yourself Safe?
How does a radon mitigation system work? Learn more about how it pulls air and radon from the soil and expels it before it can enter your house.
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•
Apr 5, 2026Apr 5, 2026
How to Install a Radon Mitigation System
Did your radon test come back high? Here's what you need to know about how to install a radon mitigation system to protect your home and family.