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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: What would cause radon in a house?

• <div><p>The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.</p></div>

Q: How often should radon levels be tested to ensure safety?

• <div><p>Testing every 2-5 years or upon adjusting occupancy or structural changes maintains safe environments.</p></div>

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: Is it okay to live in a house with radon?

• <div><p>Ideally, no one will live in a house with elevated radon levels, as prolonged exposure increases the risk of serious health issues like lung cancer. However, homes with radon can be made safe through mitigation systems, such as active soil depressurization. Testing for radon regularly and addressing high levels helps ensure a safe living environment.</p></div>

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

*The Angi rating for Radon Detection And Reduction companies in Orangeville, 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 Orangeville, 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 16, 2026

Reviewed in October 2026
This man was upfront with what he would do and the cost. He even told me what he uses and that he would be doing the work. He came and he did a A#1 job. He went over what I would need to look for if there would be a problem. He also sent paperwork to keep with the Radon Equipment. We are very...
C&S Home Inspections
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Reviewed in November 2025
Efficient, pleasant and easy to understand. Very reliable and trustworthy.
Elite Construction & Roofing LLC
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Reviewed in July 2025
Before listing my home for sale, I hired Cusatis to replace several outlets and upgrade my fuse box in preparation to sell my home. I couldn’t be more impressed with the work. Dave was professional, on time, and clearly knowledgeable about what needed to be done to bring everything up to...
Cusatis Electric, LLC
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Reviewed in January 2025
We needed our roof vent replaced and our porch roof shingles had worn and the nails could be seen. Andy came out the next day, took a video, gave us a quote and his team did a great job. The crew was professional, efficient and did a stellar job cleaning up and removing all debris.
Crooked Ladder Roofing
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Reviewed in August 2024
Very meticulous. Makes sure everything is done properly. Very nice and accommodating. He has also power washed our deck and is in the process of staining it. I RECOMMEND HIM 100%!
Scrub-A-Dub LLC
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Reviewed in May 2024
Hired company for complete deck tear down and rebuild with framing and trex deck. Deck work is amazing and we love the final product. Overall work was great quality and professional. Did have issues at times with completion dates and trying to contact john at times; however, John always...
John's Small Jobs Services
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Reviewed in May 2024
It was very quick and efficient
A-Z Transportation Services LLC
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Reviewed in October 2023
It went as smooth as possible they trimmed up my tree and did all my weed whacking and cleaned up very well
GROUND UP TREE SERVICES LLC
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Reviewed in July 2023
We are thrilled to recommend D&L Rennovations LLCâ s Daniel Renn for his outstanding work on our recent deck project. Daniel and his team truly exceeded our expectations in every aspect of the job, and we could not be happier with the results. From the very beginning, Dan demonstrated his...
D&L Rennovations, LLC
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Reviewed in May 2023
Company reached out to us within days and we got our roof coating scheduled and completed fast! Our calls were returned promptly. Vinnie explained our options, the work, and answered our questions. The whole experience was good and fast!
All Weather Contracting
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Find Radon detection and reduction specialists in Orangeville

C&S Home Inspections

4.8(

)

Radon Gas - AbatementRadon Gas - Testing

Serving Orangeville, PA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: Quick response

"Radon was over 6, now it's under 1. Job was done quickly."

Response time2 days

Response rate96%

5 neighbors recently requested a quote

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Roof 2 Basement Home Inspection Services, LLC

4.9(

)

Radon Gas - Testing

Serving Orangeville, PA and surrounding areas

In business since 2017

Free estimates

Credit card accepted

"Terry does a thorough inspection and has a great write up with extensive photos and details. He is very responsive to all requests. I highly recommend him!"

Response time8 hrs

Recommended by98%of homeowners

Serving Orangeville, PA and surrounding areas

In business since 1993

Free estimates

Credit card accepted

We're a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We specialize in radon gas testing and abatement. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

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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.

The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.

Testing every 2-5 years or upon adjusting occupancy or structural changes maintains safe environments.

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.

Ideally, no one will live in a house with elevated radon levels, as prolonged exposure increases the risk of serious health issues like lung cancer. However, homes with radon can be made safe through mitigation systems, such as active soil depressurization. Testing for radon regularly and addressing high levels helps ensure a safe living environment.

The Orangeville, 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
•
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.