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*The Angi rating for Radon Detection And Reduction companies in Monroeville, 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.

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Last update on July 20, 2025

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Home Pro
4.7(
14
)

Serving Monroeville, PA and surrounding areas

In business since 1986

Free estimates

Credit card accepted

"In Conclusion,
   the service was on time, professional, complete, and well done. Tom was on time within 15 minutes (which is acceptable to me). He began work without wasting time, while explaining what he was doing at every step. He gave tips when appropriate. He was professional and had all necessary equipement on his person.
I would recommend this service. 
In addition, for an additional $100.00, Homepro will return to make sure that the seller has completed the necessary repairs prior to closing. This feature is useful if you do not trust the seller or selling agent. We did not elect this service, but, it was nice to know that it was available.
"
Recommended by100%of homeowners
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Avatar for MJL Property Inspection
MJL Property Inspection
5.0(
2
)

Serving Monroeville, PA and surrounding areas

In business since 2018

Free estimates

Credit card accepted

"Mike did an amazing job inspecting the home I am buying. He was incredibly thorough and took his time he wasn't rushed and didn't skip anything. An added bonus that I really appreciated was how well he explained different things that he noticed in and around the house. I never once felt like I was asking a stupid question when he had to go over something with me. He was very prompt with every question I emailed him and called to follow up on big things. The online report was sent promptly and it was really easy to look through. I would absolutely recommend him to my friends and family!"
Response time5 hrs
Recommended by100%of homeowners
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Radon Detection and Reduction questions, answered by experts

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.

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.

Your radon mitigation system may be loud because it’s time to replace it. Any sounds are usually from the inline fan that helps create the vacuum and resulting airflow. If you hear a new, loud mechanical or humming noise from your radon fan, it might be time to replace it. Most fans used in radon mitigation systems last up to 10 years, but may need to be replaced sooner.

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.

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