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Austausch von Gas-Etagenheizungen: Erste Etagen-Wärmepumpen jetzt in Stuttgart in Betrieb
448 000 Wohnungen in Baden-Württemberg haben eine Gas-Etagenheizung. Es gibt bisher kaum Alternativen. Nun sind in Stuttgart und Heilbronn die ersten Etagen-Wärmepumpen installiert worden. Zu Besuch bei einem, der umgerüstet hat.

Frank Wälde (l.) neben der Inneneinheit der Wärmepumpe, oben an der Decke verläuft die Leitung zur Außeneinheit. Frederik Janzen (M.) und Georg Barbunopulos testen in der Stuttgarter Altbauwohnung ihre Erfindung.
Lichtgut/Max Kovalenko