1956: First engine-independent bus heating system
1963: Foundation of Webasto Klimatechnik at Gräfelfing near Munich
1965: First bus air conditioning system
1970s: Bus hatch is turned from a legally required emergency exit into a ventilation instrument.
1990: Foundation of Webasto Bus GmbH in Neubrandenburg
1991-2011: Globalisation in Europe, South Africa, Middle East, USA, Latin Amerika and Asia-Pacific
1994: First gas-powered bus heating system
1998: Merger of the Heating, Air Conditioning and Roof Hatch business units into the new “Bus Business Unit” of Webasto AG.
1999: Acquisition of Parabus, the Finish roof hatch manufacturer
2005: Foundation of Spheros GmbH Webasto AG sold its „Business Unit Bus" to Granville Baird Capital Partners, Capcellence and management. Since this time the company has been legally and financially independent, operating under the new name Spheros GmbH with the new Spheros brand.
2006: JV with Sumi Motherson in India founded
2008: Opening of the new Head Office at Gilching near Munich
2008: Neubrandenburg plant becomes a competence centre for heating development and technology, being the only air conditioner production plant in Central Europe.
2010: New facilities in Hong Kong and Shenzhen
2011: New production facility in Dharwad/India
2013: Opening of Spheros Suzhou, China
2015: Acquisition of ACC Climate Control in North America
2016: Spheros is part of Valeo
2017: Spheros changes entity name to "Valeo Thermal Commercial Vehicles"