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*The Angi rating for Radon Detection And Reduction companies in Pennville, IN 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 Pennville, IN 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 August 09, 2026

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

Avatar for Air Xray
Air Xray
3.3(
111
)
Radon Gas - AbatementRadon Gas - Testing

Serving Pennville, IN and surrounding areas

Approved

In business since 2019

Free estimates

Warranties offered

"Get quote from air xray before getting your system installed. This company has unique way to install system without making hole in your wall. A little expensive but very professional and experienced in this area."
CO2
CO
Solutions
Radon
Sick Building Syndrome

+6

Response time1 day
Response rate97%
88 neighbors recently requested a quote
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Swat Group, Inc.
4.4(
152
)
Radon Gas - Abatement

Serving Pennville, IN and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"Hired for the convienience of their timely ability to install a radon system. The vent on the outside of the house is a large diameter, circular chimney that is very unsightly. Prices were a bit higher than other companies, but their ability to install quickly took precedence. In SWATs defense, I did not inform the company of my displeasure as the system was being installed as a condition of sale."
Response time1 day
Recommended by94%of homeowners
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Radon Detection and Reduction FAQs, answered by experts

No level of radon is technically safe, but since it is present everywhere, complete avoidance is impossible. 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 preventative measures if your home's radon levels are between 2 and 4 pCi/L or higher.

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.

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.

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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