(WWHR). As part of the urban water cycle, domestic hot water consumes the lion share–up
to 90%–of the total energy requirement for water management. Individual energy
consumption of 780 to 1 150 kWh/cay/yr has been estimated in Sweden. Energy can be
recovered from wastewater, in buildings close to the source or further downstream in the
wastewater system. Depending on wastewater flow and temperature heat exchangers or …