History Company data at a glance Take part in our 40-year journey through time. July 1982Establishment of Weiner – Reimann und Co., Heizung-, Sanitär- und Lüftung GmbH. January 1989Change of the company’s name to Weiner, Reimann, Heizung-, Sanitär- und Lüftung GmbH. March 2005Acquisition of B.Menzenbach GmbH (temporary employment). August 2007Change of the company’s name to IVT Weiner+Reimann GmbH July 201735 years of IVT January 2018Acquisition of 100% of shares by ERBUD SA based in Warsaw July 2020green becomes blue – IVT adopts the new corporate identity of the ERBUD Group