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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 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 often should you replace a radon fan?

• <div><p>Many radon fans carry a five-year manufacturer's warranty. That said, your radon fan should last between five and ten years. Regular inspections will ensure the fan is operating properly. Unusual or exceptional noise coming from the fan or indications on your manometer or system monitor can immediately tell you that something is amiss.</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 does radon mitigation take?

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

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

*The Angi rating for Radon Detection And Reduction companies in Montgomery, 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 Montgomery, 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 April 30, 2026

Reviewed in April 2026
I got a very efficient and professional job done. I was very happy and highly recommend them. My home caught fire. The structure was removed in less than two days.
JSV Contracting
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Reviewed in September 2025
Scott the salesman was very knowledgeable and explained everything about my city water. He showed me what Refresh02 system was and how the water was soft and how it tasted. The installer was very experienced and showed us things we had to do as to how to put salt in and he was very through. I...
RefresH2O Water Systems, Inc.
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Reviewed in June 2025
Alex, and Ryan were professional and down to earth, there crew got the job done in a timely and professional manner, and we are pleased with our new shingled roof. I would definitely recommend them.
Crooked Ladder Roofing Lyco
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Reviewed in October 2024
Tom just finished my unusual bamboo fence and I am very pleased. It had not been maintained and needed sealing, wood repair and painting. He accomplished all in a timely and professional manner, cleaning up after his work and keeping me in the loop as the project progressed. I absolutely...
Thomas Noviello Painting
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Reviewed in March 2024
We are so thankful we found Carl! We had a dead ash tree that was becoming a potential danger. He came out, took a look, gave us a bid, and was able to complete the work a week later. He and his crew did a phenomenal job. Heâ s very knowledgeable and worked hard to preserve as much as...
Roar & Sons Family Tree Service, LLC
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Reviewed in December 2023
The owner, Mace, is a great guy and full of personality. Mace contacted me right away and gave me a fair price and offered to do more than I had anticipated regarding my brick path and roots under it - he offered to remove and replace the bricks in order to remove the roots. Mace was busy and...
Timberwolf Tree Company, LLC
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Reviewed in September 2023
Kyle did an excellent job on our home . He was timely and professional and will most definitely hire him in the future.
First Class Details
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Reviewed in March 2022
Zavon is reliable, and dependable. I can call him last minute and he will be there to address any concerns I have with my yard and to fix any repairs that are needed. He is very reasonably priced, very particular and thorough.
Exterior Performance LLC.
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Reviewed in July 2021
...a very old, very tall tree, with 4 connected trunks, about to crack and fall, possibly on my neighbor’s electrical wires, my house...and who knows what else! I called ROAR & SONS FAMILY TREE SERVICE, LLC, and they immediately arrived to help! Carl, Natalie, and sons/company gave me a...
Roar and Sons Family Tree Service LLC
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Reviewed in July 2021
Richard was very patient and professional. We had our gas furnace serviced/cleaned and he was very thorough, and explained the process and provided options in layman's terms. We highly recommend his business!
RC Heating and Cooling
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Find Radon detection and reduction specialists in Montgomery

C&S Home Inspections

4.8(

)

Radon Gas - AbatementRadon Gas - Testing

Serving Montgomery, PA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: Quick response

"I would definitely recommend C&S home inspections! I had a Radon Mitigation system installed and had nothing but a positive experience. They are extremely knowledgeable and friendly. They explained everything I needed to know thoroughly, which is important to me. Their prices are also the best have seen in my area. If you need a Radon Mitigation System, I highly recommend."

Response time2 days

Response rate96%

3 neighbors recently requested a quote

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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.

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

Many radon fans carry a five-year manufacturer's warranty. That said, your radon fan should last between five and ten years. Regular inspections will ensure the fan is operating properly. Unusual or exceptional noise coming from the fan or indications on your manometer or system monitor can immediately tell you that something is amiss.

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

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

The Montgomery, 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.