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Reviews for Guardian Radon Mitigation & Electrical Services

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  • May 2026

    Excellent company and staff! Support staff was so kind and responsive. Technicians were courteous and friendly. They were efficient and quick! They went above and beyond cleaning everything and explaining the new system. Highly recommend!

  • May 2026

    I had a great experience with Guardian. They called quickly after my inquiry. I talked to Mary Ann who was a great conversationalist and took her time giving me a rough estimate over the phone. They had Mike out the next day for an on site estimate and they got to work 2 days after that. They said they’d arrive at 7am and be done by noon and it was the most accurate timing I’d ever seen from a contractor. They arrived at 7 and left at 11:55am. Mike was great to talk to. I didn’t feel rushed or sold to. He was knowledgeable, confident in what he was doing and they left the job site looking clean and well taken care of. A+

  • April 2026

    This business is one of the best I've encountered in the suburbs. We've worked with all kinds of companies in terms of home improvement, repair and remodeling in our various homes, but Guardian Radon's professionalism and execution stand out by far.

    From first intake call to completed project, I truly had an easy experience in every interaction. Happy to be a reference for these folks and appreciate the great work in a timely manner!

  • Guardian Radon Mitigation & Electrical Services

    451 Burr Oak Dr, Oswego

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