Top-rated radon detection and reduction specialists.

Best radon detection and reduction specialists near Greenville, PA

Q: How long can you go without a radon fan?

• <div><p>Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.</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 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>

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: 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 Greenville, PA

*The Angi rating for Radon Detection And Reduction companies in Greenville, 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 Greenville, 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 October 08, 2026

Reviewed in October 2026
The work was very well done . The technicians were attentive to detail and did an excellent job. Everything was done efficiently and with cleanliness. The technicians were thorough and friendly. We were completely satisfied.
Bactronix Corp
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Reviewed in October 2026
Professional and efficient with the repair at a reasonable price.
Easy Electrical Services LLC
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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 September 2024
After waiting for another *popular* company for over a month and getting no calls or an appointment even set up I searched and found Noah. He was here within an hour, found the problem and fixed it as well as removing a gas line we weren't using anymore that was in the way and had it done...
Tarr Plumbing 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 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 April 2024
Schott Home Improvements was top notch! They not only diagnosed and repaired the problem quickly, they took extreme care in protecting my property and interior while performing their work. I have used Schott for exterior and interior painting, textured ceiling repair, and roof vent leaks. I...
Schott Home Improvements
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Top-Rated Radon detection and reduction specialists in Greenville - Updated Nov 2026

Radon Detection and Control

4.6(

)

Radon Gas - AbatementRadon Gas - Testing

Serving Greenville, PA and surrounding areas

In business since 1986

Free estimates

Credit card accepted

"Needed a new Radon fan. They installed it very quickly."

Response time1 day

Recommended by94%of homeowners

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Ohio Radon Testing and Mitigation Company

5.0(

)

Radon Gas - AbatementRadon Gas - Testing

Serving Greenville, PA and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"These guys are FANTASTIC! Extremely knowledgeable and taught us so much about the dangers of high radon levels in your home... I'm so glad we had them test for it - our levels were dangerously high and we had no idea! Very professional, informative, and always on time. And they were able to accommodate my crazy schedule! I'd highly recommend the Ohio Radon and Mitigation Company to anyone for peace of mind knowing that your family is safe from this silent danger. Thanks guys!"

Recommended by100%of homeowners

Serving Greenville, PA and surrounding areas

Credit card accepted

Successful real estate transactions are completed\nthrough partnership!\nThe needs of each individual inspection client differ,\nbased on their specific outlook, of their property\npurchasing experience.\nInspector Properties dedication is driven by listening\ncarefully, & learning what each individual clients,\nproperty inspection requires!

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Radon Detection and Reduction FAQs, answered by experts

Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.

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

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.

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

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 Greenville, 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

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
•
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.
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.