Master Mechanical Inc.'s Service division is available to service our customers' needs, 24 hours a day, 365 days a year. We have experienced technicians equipped to repair mechanical systems. This includes, but is not limited to: plumbing systems, rooftop and make-up air units, boilers, chillers, data center systems, pumps, exhaust fans and VAV units. As one of the most prominent mechanical contractors in the upper Midwest, Master Mechanical strives to exceed customer expectations through our commitment to quality design, cost control and time management.