Since the early 1950s, Thermal Supply has been a distributor of refrigeration, heating and air-conditioning equipment, and parts and accessories. The company offers products from several well-known brands, including Copeland, Larkin, Sporlan, Manitowoc, Coleman and Mitsubishi. In addition to heating and air-conditioning equipment, Thermal Supply provides heating and air conditioning system components, such as electronic air filters, condensate pumps and thread sealant; tools and instruments, such as thermometers, refrigerant reclaim equipment and contamination detector kits; and refrigeration equipment and system components, such as vibration eliminators, industrial valves and insulated panels. The company has nearly 25 locations throughout Washington, Oregon, Idaho, Montana and Alaska. Thermal Supply is based in Seattle.