WATSCO, INC.

WSO.B · NEW YORK STOCK EXCHANGE INC.

Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers · US

Watsco, Inc. is the largest distributor of air conditioning, heating and refrigeration equipment, and related parts and supplies in the United States. Watsco was founded more than 60 years ago as a manufacturer of parts, components, and tools used in the HVAC/R industry.