Warren Technology has provided electric heating equipment for more than 60 years. Warren offers custom duct and standard unitary slip-in heaters to meet electric heating specification and design requirements. Incorporated in 1957 as a manufacturer of electric heaters, Warren Technology has assumed a leading role within the HVAC industry, designing, developing, and manufacturing a broad spectrum of precision heating, ventilation, and air-conditioning products. Warren was one of the first U.S. companies to integrate its flexible manufacturing computer-controlled machinery with its internally developed computer-aided design (CAD) to attain what is known today as computer-integrated manufacturing (CIM). This unique process enables Warren to develop, test, and fabricate products quickly in response to the changing needs of our customers.