DeHart Plumbing, Heating & Air Inc. is one of the largest providers of plumbing and HVAC (heating, ventilating and air conditioning) services in California. Originally began as a sheet metal and plumbing business in 1946, it has grown to offer comprehensive refrigeration services for over 13,000 commercial and residential customers. DeHart Plumbing, Heating & Air Inc. has affiliations with the Plumbing, Heating and Cooling Contractors Association (PHCC), Air Conditioning Contractors of America (ACCA) and North American Technician Excellence (NATE).