BusinessGermanyCold river keeping homes warm - MADETo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoBusinessGermanyTim Schauenberg05/01/2024May 1, 2024Heating our homes with cold water sounds crazy! But it's not. Heat pumps are revolutionizing the way we heat and cool our homes and cities. We went to the German city of Mannheim to find out how.https://p.dw.com/p/4fJ7zAdvertisement