LEBANON, Tenn. — Lochinvar’s XRGI Micro CHP produces heat and power form the same fuel source. Using an internal combustion natural gas engine, Micro CHP (< 50 kW/hr) XRGI25, is designed to be an efficient and easy-to-install system intended for light commercial use. Leveraging natural gas as fuel, a facility with a cogeneration system produces energy-efficient heat for domestic hot water and electricity to reduce energy consumption.