Watsco, Inc. is a distributor of air conditioning, heating and refrigeration equipment and related parts and supplies. It sells air conditioning and heating equipment to the replacement and new construction markets for both residential and commercial applications. It also sells a variety of non-equipment products including parts, supplies, ductwork, air movement products, insulation, tools, installation supplies, thermostats, and air quality products. It provides condensing units, compressors, evaporators, valves, refrigerants, walk-in coolers, and ice machines for industrial and commercial applications. Its business units include Carrier Enterprise, Baker Distributing Company, Gemaire Distributors, East Coast Metal Distributors, Heating and Cooling Supply, Homans Associates, Pierce Phelps, N&S Supply, Acme Refrigeration, Alert Labs Inc., Tradewinds, Boreal International, Watsco Ventures, and Gateway Supply Co.