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*The Angi rating for Radon Detection And Reduction companies in Thompsontown, 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 Thompsontown, 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 May 09, 2025

Top-Rated Radon detection and reduction specialists in Thompsontown - Updated Nov 2026

Avatar for C&S Home Inspections
C&S Home Inspections
4.8(
61
)
Radon Gas - AbatementRadon Gas - Testing

Serving Thompsontown, 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."
House Inspection
Detached garage
Response time2 days
Response rate96%
5 neighbors recently requested a quote
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Avatar for MCJ Home Inspection, LLC
MCJ Home Inspection, LLC
4.9(
35
)
Radon Gas - Testing

Serving Thompsontown, PA and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"Alan was great! He showed up early to the home my wife and I are under contract. We scheduled him for a whole home inspection and he did exactly that. I walked through with him, he's very thorough and professional. I will absolutely recommend him as the go to for any inspection or home services!"
Response time5 hrs
Response rate100%
Recommended by89%of homeowners
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Radon Detection and Reduction FAQs, answered by experts

The lifespan of a radon mitigation system depends on the type of system and its maintenance. With proper care, a system can last for many decades. Passive systems tend to last longer as they have fewer components that require replacement. Active systems, which have more moving parts like fans, generally have a shorter lifespan. For instance, water filtration devices and active pressurization systems require more frequent maintenance. While the system as a whole is durable, the radon fan in an active system typically has a lifespan of 5 to 10 years and will need to be replaced. As long as the fan is working, the mitigation system should function correctly.

Radon is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).

Mitigation reduces radon levels, protecting your health and complying with safety standards.

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.

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 Thompsontown, 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.

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