US group buys family company: The owners get a lot of money. For the people at Viessmann, however, a world is collapsing. A glimpse into the realm of the former flagship company.
Heat pumps: Who are the Viess men?
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US group buys family company: The owners get a lot of money. For the people at Viessmann, however, a world is collapsing. A glimpse into the realm of the former flagship company.