Established in 1922, Karls Mechanical Contractors Inc has since become the preferred plumbing and HVAC contractor for residential, commercial, industrial, and agricultural customers in and around Calumet County. Whether you're in need of a new system or need a quick repair, our licensed team has the experience and tools to get the job done. We're also proud members of the Associated Builders and Contractors of Wisconsin (ABC) and the Wisconsin Onsite Water Recycling Association (WOWRA).

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