Warren Technology is a manufacturer of electric heater units in four product lines. The Custom Built Electric Duct Heater is used for commercial HVAC systems. The Stock Line Electric Duct Heater is used for multiple duct applications with optional external accessories available. The Quick Silver Heaters fall in between the Stock-Line and Custom Built Duct Heaters by providing the heater benefits of quick production cycles of the Stock Line Unit while obtaining the custom spec flexibility of the Custom Built Heater. The Unitary Insert Heating Products are used in smaller residential and light commercial HVAC systems.
