Watsco, Inc. is a distributor of heating, air conditioning and refrigeration (HVAC/R) products with locations in the United States, Canada, Mexico, and Puerto Rico, and on an export basis to Latin America and the Caribbean. The Company sells products to the commercial refrigeration market, which include condensing units, compressors, evaporators, valves, refrigerants, walk-in coolers, and ice machines for industrial and commercial applications. Additionally, it sells a variety of non-equipment products including parts, ductwork, air movement products, insulation, tools, installation supplies, thermostats, and air quality products. The Company distributes products manufactured by Flexible Technologies, Inc., a subsidiary of Smiths Group plc, Resideo Technologies, Inc., Southwark Metal Mfg. Co., Johns Manville, a subsidiary of Berkshire Hathaway, Inc., and Owens Corning Insulating Systems, LLC, among others.