Commercial water heating systems and their basic design methodology – tank style heaters or boilers with storage tanks – have been used for the past 75 years, says Sridhar Deivasigamani, president and CEO of Intellihot Green Technologies, and water has been heated in pretty much the same way for 150 years.It took a personal experience for Deivasigamani, a mechanical engineer and former Caterpillar employee, to dig deeper into this history and future of water heating systems. When he returned home one day and found his own heater broken and his basement flooded, he began to wonder about the possibilities for
