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Q: Why is radon detection important for residential properties?

• <div><p>Radon detection is crucial as prolonged exposure to radon gas, a leading cause of lung cancer, poses significant health risks in residential environments.</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: 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>

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: What level of radon is considered safe or dangerous?

• <div><p>No level of radon is technically safe, but since it is naturally present everywhere, it is impossible to avoid entirely. 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 action to reduce radon levels if your home's test results are between 2 and 4 pCi/L or higher.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Clark, PA

*The Angi rating for Radon Detection And Reduction companies in Clark, PA 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 Clark, PA 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 February 26, 2026

Reviewed in February 2026
Cooper did a complete inspection of our attic and roof. He showed us a video and photos of the areas they would be working on. He showed us all the extra service and care they take with the roof replacement. It was the extra time Cooper took with us is what made the difference.
MHI Roofing
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Reviewed in April 2025
Chris from New View stump grinding removed three stumps for me and he did a great job. Every step of the process was handled with professionalism and ease. I am very pleased and satisfied with the job.
New View Stump Grinding, LLC
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Reviewed in March 2025
Best electric was prompt, knowledgeable and thorough. Nice to do business with people who know what they're doing and get it done reasonably.
Spark and Hammer Services
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Reviewed in March 2025
roof doctor showed up on time when they said they would and complete the job very professionally and timely manner
Roof Dr LLC
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Reviewed in August 2024
Our job was done proficiently and in a very timely manner. The workers were so friendly and polite. They went above and beyond to complete the job and we would highly recommend them to anyone needing junk removal.
Difrischia Recycling LLC
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Reviewed in June 2024
Very convenient, and professional. He came out slate test off and installed 16 square of asphalt shingles.
Affordable Roofing And Repairs
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Reviewed in May 2024
We couldn't be happier with the level of professionalism and hard work. They truly went the extra mile, and I would tell anyone to use them for tree removal. J.M.
Mild Tree Care
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Reviewed in January 2024
i had Superior metal Roofing installed on my home and garage yesterday. John and the crew were outstanding in their knowledge and professionalism in installing metal roofs. they were both friendly and knew what they were doing. the work was done in one day and done right. i would highly...
Superior Metal Roofing
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Reviewed in September 2023
The job was top notch and reasonably priced Nathan Blackstone and his crew did an exceptional job of removing my 12 very tall pine trees. They cleaned up the debris and left the yard looking like it did when they started. I am very well pleased and would recommend this company
Blackburn Companies LLC
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Reviewed in June 2023
Dan was very professional and experienced. His rates are the best Iâ ve seen in the valley and the cleanup was unbelievable!!!!
Jones Tree Service, LLC
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Find Radon detection and reduction specialists in Clark

Radon Detection and Control

4.6(

)

Serving Clark, PA and surrounding areas

In business since 1986

Free estimates

Credit card accepted

"Very knowledgeable, efficient, skilled workers, good cleanup, pleasant. Good job!"

Response time1 day

Recommended by94%of homeowners

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American Radon Company

4.9(

)

Serving Clark, PA and surrounding areas

In business since 2020

Free estimates

Warranties offered

"Fast friendly and efficient! Told me everything needed done and did that same day and was an excellent experience. Highly recommend!"

Response time11 hrs

Recommended by93%of homeowners

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Radon Detection and Reduction questions, answered by experts

Radon detection is crucial as prolonged exposure to radon gas, a leading cause of lung cancer, poses significant health risks in residential environments.

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.

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.

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

No level of radon is technically safe, but since it is naturally present everywhere, it is impossible to avoid entirely. 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 action to reduce radon levels if your home's test results are between 2 and 4 pCi/L or higher.

The Clark, PA 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

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.
Mitchell Grant
•
Mar 18, 2026Mar 18, 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.
Angi
•
Mar 18, 2026Mar 18, 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.
Audrey Bruno
•
May 3, 2026May 3, 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.
Jacqueline DeMarco
•
Apr 5, 2026Apr 5, 2026
DIY Radon Mitigation: A Step-by-Step Guide
Want to learn how to master DIY radon mitigation? We have a step-by-step guide on how to complete this challenging project on your own.
Audrey Bruno
•
May 2, 2026May 2, 2026
Can a Homeowner Install a Radon Mitigation System?
Can a homeowner install a radon mitigation system? While some parts of the project are fine for DIY, you should leave the meat of the task to a licensed professional.