About UsSince 1981 the owners of MACAIR have been manufacturing refrigerated air dryers, filters, drain systems and other related air preparation components designed to remove moisture and contaminates from compressed air systems. We are proud of the fact that all of our air dryers are manufactured just outside the motor city, Detroit Michigan in the small town of Walled Lake.Thousands of MACAIR dryers are installed in some of the most well known blue chip companies throughout the USA and Canada and supported by our network of world class, professional air compressor distributors and partners throughout North America and the world.