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*The Angi rating for Radon Detection And Reduction companies in Westville, 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 Westville, 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 October 05, 2026

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

Swat Group, Inc.
4.4(
152
)
Radon Gas - Abatement

Serving Westville, 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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Avatar for Chicago Crawlspace & Basement Pro's Corp
Chicago Crawlspace & Basement Pro's Corp
5.0(
7
)
Radon Gas - AbatementRadon Gas - Testing

Serving Westville, IN and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"We chose Chicago Crawlspace because Andy was punctual, professional, well versed and provided us with a detailed quote of the services being provided. We apppreciated that the pricing given to us was broken down and each specific task was assigned a cost - as opposed to a company just giving a lump sum quote. We even knew the brand and cost of the sump pump being installed.

The crew was on time and finished on schedule. All existing debris in the crawlspace was bagged and removed from the crawlspace by the crew before they began laying the liner. One challenge we had involved our water softening system which is located in our crawlspace. Andy was very willing to work with us and did not require us to have the equipment removed before doing the work. He provided a plumber to disconnect and then reconnect the system. The softener and the salt holding tank are located beneath the opening to the crawlspace to allow for easy access. Pouring the concrete floor would result in losing a few inches of height clearance and make refilling the salt tank very inconvenient if we moved it farther away from the opening. We discussed it with Andy and he said that he would have his men dig down a few inches - at no additional charge - under the tank so that we would still be able to refill the tank fairly easily and keep it near the opening.

Overall we are very saisfied with Chicago Crawlspace and the job they did. We would definitely use them again and have no problem recommending them to others."
Before
After
Recommended by100%of homeowners
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Radon Detection and Reduction FAQs, answered by experts

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.

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.

If high radon levels are detected, steps include sealing entry points, installing a mitigation system, and retesting the air regularly to ensure reduced levels.

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.

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 Westville, IN homeowners’ guide to radon detection and reduction services

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