With nearly 40 years experience in the HVAC/R industry, MAS has earned a stellar reputation as a market leader by providing unparalleled service, expertise, honesty and professionalism to our customers. We specialize in servicing and comprehensive PM programs on custom refrigeration rack systems, self-contained and remote coolers/freezers, glycol beer systems, package and split system HVAC equipment as well as MUA and Exhaust systems. Our Factory trained technicians, state of the art technology, paperless technology and a dedicated support staff are but a few of the differences that set MAS apart in our marketplace. Experience the MAS difference.