WALTHAM, Mass. - Tecogen is proud to announce a joint effort with the Propane Education & Research Council (PERC) that will demonstrate the Ilios, a new high-efficiency propane-fueled commercial water heating system, at four sites in the US. This project will show performance, gather operating data and provide economic payback information for the propane fueled Ilios hot water heaters. Potential sites for these large 500,000 BTU/hr systems include hotels, hospitals, nursing homes, apartment ...This story is related to the following:Thermal and Heating EquipmentSearch for suppliers of: Propane Heaters