Established in 1904, Design Aire is a full-service residential air conditioning and heating company serving the entire St. Louis and St. Charles region.We are proud to say that our company has provided heating and cooling installation and service for over 100,000 homes in St. Louis, St. Charles, and the surrounding areas. That is a great deal of trust area families have placed in Design Aire, and we do not take it lightly. Our goal is to make every customer so happy with their service from Design Aire that they feel compelled to tell their family, friends, and neighbors about us.We service and install systems throughout St. Louis and St. Charles including Ballwin, Chesterfield, Clayton, Creve Coeur, Des Peres, Ellisville, Florissant, Kirkwood, Ladue, Maryland Heights, O'Fallon, St. Peters, Webster Groves, Weldon Spring, and Wildwood. Our service area also extends to parts of Jefferson County, Franklin County, Madison County, St. Clair County, and Monroe County. Contact Design Aire today to schedule a repair or to get an estimate on replacing your HVAC equipment.