AERCO’s Innovation tankless water heaters feature the Edge Controller and the proprietary AERguard stainless steel helical firetube heat exchanger assembly which improves scale and corrosion resistance for reliability and long product life, the company says. Innovation utilizes technology to provide safe, reliable hot water on demand without the need for any significant storage volume to buffer load change. It meets highly diverse, demanding commercial and industrial hot water requirements in a compact condensing design.