Founded in 1946, Puyallup Heating & Air Conditioning is one of the oldest heating, ventilation & air conditioning (HVAC) companies in the United States. Based in Puyallup, Wash., the company provides various installation services for heating & air conditioning equipment, ductwork design, standard hot water heater, tankless hot water heater and gas piping. Puyallup Heating & Air Conditioning offers an array of products, including heat pumps, gas furnaces, air purifiers and tankless hot water heaters.