The cost-effective hot water recirculation solutions offered by Grundfos provide instant hot water and can save households thousands of gallons of water a year. Designed for new construction and available in the third quarter, the COMFORT Auto hot water recirculator learns the hot water consumption patterns of a family within 24 hours and then adapts to it, saving up to 85% on electric bills and up to 48% in heat energy savings compared to a conventional hot water recirculation