About Us

Who We Are

BREDAN Mechanical Systems, LLC. is a "forward-thinking" HVAC mechanical contractor which places a top priority on our customers, taking the time to understand their processes, needs and values. We are a full-service mechanical contractor based in Waukesha, Wisconsin, specializing in commercial HVAC, industrial HVAC services, HVAC system design, AC system design, sheet metal fabrication, custom ductwork, industrial piping, and building automation systems.

We use this personal touch to create an innovative approach to design and engineer HVAC systems from building comfort systems to manufacturing processes and from simple to complex. Our certified pipe fitters, experienced Project Managers, and highly skilled union labor provide our customers with the most efficient and effective system solutions available today. We specialize in commercial boiler service, chilled water systems, heat pump systems, variable air volume systems, and custom commercial and industrial ductwork.

Our commitment to quality, customer service, and innovation has led to unequaled customer loyalty and retention, with 99% of our clients reporting that we met or exceeded their expectations.