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About Us

With over 85 years of HVAC and mechanical services experience, Illingworth-Kilgust Mechanical provides clients statewide with the total mechanical solutions they need to meet their facilities' full lifecycle requirements. Learn about us.


Services

By integrating our strengths, we can offer a wider range of mechanical construction expertise and a broader array of commercial heating and cooling, plumbing systems, building automation systems design/build, and facilities services to more clients across Wisconsin than ever before.
Learn more.

Meet the Team

Dan Pfeifer, Chief Executive Officer of Illingworth-Kilgust Mechanical Dan Pfeifer, Chief Executive Officer, is just one of the many people that deliver high performance projects that meet our clients most exacting standards.

Meet the rest of the team.