Heating and Cooling Supply is one of the largest distributors of heating, ventilation, air conditioning and refrigeration products in the United States. Heating and Cooling Supply operates from nearly 400 locations in more than 30 states and Puerto Rico, and serves approximately 38,000 contractor customers. The company's sister companies include Homans Associates, Heat Incorporated, Comfort Products Distributing, NSI Supply, SPS Supply, East Coast Metal Distributors, Three States Supply Company, Prime Supply, Atlantic Service & Supply, Baker Distributing Company, Tradwinds Distributing Company, TSC Distributors, Coastline Distribution, Gemaire, Gemaire Distributors and Air Systems Distributors. Heating and Cooling Supply is a distributor that is dedicated to serving the needs of contractors in the Tucson and Phoenix, Ariz., metro areas. Heating and Cooling Supply is located in Tucson.