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Nachhaltige Technik: „Bis zu 69 Prozent Energie sparen“: Familie erwärmt Duschwasser mit Duschwasser
Nachhaltige TechnikIn einem Haus in Vaihingen an der Enz (Kreis Ludwigsburg) ist ein Duschrohr eingebaut worden, mit dem sich Energie rückgewinnen lässt – während der Hahn aufgedreht ist.
Valentin Nittbaur (links) vertreibt die Rohre, von denen sich Hüseyin Yildiz eines hat einbauen lassen.
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