About Us

PremiStar Wisconsin, formerly Just Mechanical & AccuTemp, provides HVAC, plumbing and building controls services for commercial and industrial customers in Wisconsin. We are part of the industry-leading PremiStar family of high-growth HVAC, plumbing and controls companies, with locations in 12 states and growing. Our company has a century-long heritage of success, built on extraordinary people, innovative solutions and unmatched results. Our team members are proud to be a part of a company that builds and keeps our communities’ critical facilities up and running, but that is only possible through our people. Whether you’re a problem-solver in the field or in the office, if you can help take us to the next level, we’re interested in talking to you.