Based in Charleston, S.C., Morelli Heating & Air Conditioning has been in the air conditioning business since 1981. It serves residential and commercial customers through its sales, service and installation services of its systems. The firm has various divisions, such as residential services, commercial services, sheet metal fabrication, mechanical contracting, operations department and accounting department. We specialize in historical residences and buildings that include the Nathaniel Russell House, Miles Brewton House, SC Society Hall, Fireproof Building, McBee House at Ashley Hall School, Sword Gate House and Riviera Theater. The firm also offers planned service agreements for its clients.