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    VSI Radon Reduction

    4.4 (25 reviews)
    Closed 7:00 am - 5:00 pm

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    Services - VSI Radon Reduction

    Environmental abatement

    Environmental testing

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    Inside the basement.
    Steve S.

    I did a DIY radon test and the results came back above the limit. I went to Homeadvisor and got an idea of the average cost to install a mitigation system. VPI was super quick in response and i had their quote same day. It fell in line with expectations so I went with them, also by reputation. We scheduled an install within the week and they arrived on time and were done in a few hours. They explained how the system was to work. I have a new test going and will see the results in a few months. Good job so far!

    Sump pump pit w/ battery backup, sealed, has viewport.

    VSI is the real deal. After testing my house & finding levels too high, I started searching (Angie, HomeAdvisor, Yelp, etc.). VSI was on every list, their website is extremely informative, and the founder (Mr. Volsted) even created courses @ U of Chicago about radon - some reputation! Then my personal trainer showed me a picture of her radon mitigation system and there was the VSI sticker. So I called, Kevin answered quickly, and after several questions he gave me a quote over the phone & sent emailed it within the hour. A week later Guy and his crew came and did an exceptional job installing the system. Very professional work - respectful of property, wore booties inside, vacuum attachment to concrete drills so minimal dust, and cleaned up everywhere. Great color match on outside piping. Even did a smoke test w/ pilot holes to demonstrate the suction beneath the basement floor. Guy gave detailed explanations & answered all my questions. I have a continuous monitoring system and even within a few hours radon levels have already dropped significantly. Very satisfied, highly recommended!

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    5 months ago

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    2 years ago

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    4 years ago

    Perfect business. They performed beyond expectation with outstanding, clean and professional results.

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    3 years ago

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    6 years ago

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    3 years ago

    VSI was very responsive and took care of my radon mitigation job in a way that didn't look bad. Happy to now live in a safer home!

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    5 years ago

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    8 years ago

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    10 years ago

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    5 years ago

    Very responsive, up front pricing, and easy to work with! They were very respectful of my home, wore shoe covers, etc. Am extremely happy!

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    5 years ago

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    9 years ago

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    Ask the Community - VSI Radon Reduction

    Review Highlights - VSI Radon Reduction

    Then my personal trainer showed me a picture of her radon mitigation system and there was the VSI sticker.

    Mentioned in 5 reviews

    Read more highlights

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    Bee Sure Home Inspection Services - Flooding in basement

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    My daughter and I suffer with CIRS from mold toxicity, and we unfortunately bought a home that we…read morelater found out had tons of undisclosed water damage and mold behind the walls. The home continued to make us sick as we were living there. We called Napco and gave them one of the most difficult and time consuming jobs they've probably ever had. Todd is the owner of Napco, and he is one of the most honest and genuine contractors I've worked with. He truly cared about making my home safe for our family. We were definitely not easy to deal with given our life threatening mold illness. Napco had to gut our entire house and clean the mold multiple times because we kept uncovering more mold. Todd even found mold in our attic that our environmental hygienist missed. They went above and beyond for us and were extremely generous with their pricing. Unfortunately, I've been in contact with many mold remediation companies in the last 2 years, and Napco was the only company that I felt wasn't trying to take advantage of us. If you have a mold problem or a suspected mold problem, you can trust Todd and his team to work to the best of their abilities for you. Thanks again for everything Todd!!!

    VSI Radon Reduction - enviroabatement - Updated May 2026

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