Why recover energy from wastewater?

Wastewater is a permanently available high-volume source of energy. Millions of households, as well as commercial and industrial facilities discharge huge amounts of thermal energy into the sewer systems in the form of wastewater. This energy can be recovered and used with the help of wastewater heat exchangers.

Wastewater energy can be used to both heat and cool buildings. It is CO2-free and a game-changer for the heating turnaround. Up to 15% of the heating needs in the German building sector can be covered by energy harvested from wastewater. This would mean 4 to 12 million people could receive eco-friendly heat recovered from wastewater. The potential is especially high in urban areas.

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