Viessmann Group in 2022, Its 105th Anniversary Year: Driven by a Lot of Positive Energy, the Family Company Achieved Record Revenues of EUR 4 Billion and Growth of +19 Percent ALLENDORF, Germany, Feb. 01, 2023 (GLOBE NEWSWIRE) -- The Viessmann Group successfully continues its growth track in the 2022 fiscal year. In its 105th anniversary year, the family company increased...