Interphase Materials is an advanced materials company that provides solutions to improve the efficiency of heat transfer and reduce maintenance costs in cooling systems. With corporate headquarters in Pittsburgh, PA, their customers include power plants, commercial and industrial HVAC systems, international heat exchanger manufacturers, as well as the U.S. Navy. Interphase’s HTE system has been shown to improve heat exchanger heat transfer efficiency by 5-10% in preliminary tests. It was founded in 2015.