Top-rated radon detection and reduction specialists.

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Q: How does radon enter my home?

• <div><p>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.</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 is considered a safe or dangerous level of radon?

• <div><p>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.</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: What steps should be taken if high radon levels are detected?

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

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Verified Reviews for Radon Detection And Reduction pros in Edgemont, SD

*The Angi rating for Radon Detection And Reduction companies in Edgemont, SD 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 Edgemont, SD 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 January 09, 2026

Reviewed in January 2026
I hired April to clean my home due to being laid up from a surgery. She went above and beyond what I expected. My home looked and smelled amazing. I was also very impressed with her professionalism. Highly recommend!
April's Signature Cleaning Co
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Reviewed in August 2025
Jeff Storhaug and crew with Roofing Plus Construction did a fantastic job replacing the roof and vents. They were working in intense heat and completed the job.
Roofing Plus Construction, LLC
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Reviewed in July 2022
This professional called me the same day I notified home advisor and set up services for the next day. Anthony travelled over two hours to come to my home in 100+ degrees to fix my radon system. Thanks!!!
ALO Radon
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Reviewed in December 2021
I've used the service for 18 years and he did odd jobs for me. It was a good quality. I like his timely manner.
Antrim Enterprises
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Reviewed in September 2019
Roofing crew were very knowledgeable and did an excellent job. My house is a two story Victorian with dormers. several peaks and valleys. Quite challenging. They handled it very well. They kept me well informed as to what they were doing and why.
Swett Construction, LLC
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Reviewed in November 2018
Mark is very friendly, dependable, punctual, clean and I felt like I got good value.
Mark Edgerton
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Reviewed in August 2018
Very happy with our new windows. The salesperson was friendly and very knowledgeable, and the installers were very professional, friendly and cleaned up their work areas. Highly recommend Renewal by Andersen and would use them again.
Renewal by Andersen of Rapid City
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Reviewed in August 2017
The men that put gutters up are freindly and got right to work,finshed the job the same day.Great company..
Summit Seamless RainGutters
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Reviewed in July 2017
Sears did not want to make and install two kitchen cabinets I needed. They only wanted to install and replace all new only. That would have cost me thousands of dollars. I finally found a cabinet maker that was more flexible and he built and matched the new cabinets to my satisfaction.
Sears Home Improvements - Kitchens
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Reviewed in July 2017
We had him clean our guest room as our dogs urinated in it. he cleaned it and got the stains out they now look and smell like new again. He also cleaned a sofa we want to sell also two area rugs. All have been returned to like new condition. I would recommend him to my friends and family.
ABC Carpet Cleaners
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Find Radon detection and reduction specialists in Edgemont

ALO Radon

4.9(

)

Radon Gas - AbatementRadon Gas - Testing

Serving Edgemont, SD and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Anthony was very polite and knowledgeable. The hole job was done in two days. Radon readings went from 14 to 34 down to 0.4, we are very happy ."

+13

Response time3 hrs

Response rate94%

1 neighbors recently requested a quote

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Blackburn Foundation Repair, LLC

4.6(

)

Radon Gas - AbatementRadon Gas - Testing

Serving Edgemont, SD 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

93 neighbors recently requested a quote

Recommended by80%of homeowners

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Black Hills Radon

New to Angi

Radon Gas - AbatementRadon Gas - Testing

Serving Edgemont, SD and surrounding areas

Approved

In business since 2022

Free estimates

Black Hills Radon 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.

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Empire Home Inspections, LLC

New to Angi

Radon Gas - Testing

Serving Edgemont, SD and surrounding areas

In business since 2022

Free estimates

Credit card accepted

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today! \n \n

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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.

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

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.

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

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

The Edgemont, SD 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

Mitchell Grant
•
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.
Alison Kasch
•
Apr 6, 2026Apr 6, 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.
Angi
•
Sep 23, 2026Sep 23, 2026
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.
Amy Freeman
•
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 and How Does It Get In Your Home?
What is radon gas? Find out what this radioactive gas is, why it is dangerous, how it gets in your home, and how to mitigate it.
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.