After the war, Philipp Kreis develops a gas light for his evening language school in Munich, so that teaching could continue despite the power cuts
He finds Truma in the same year and names the company after US president Harry S. Truman, whom he admires, and who enables Germany to be rebuilt thanks to the Marshall Plan.
In 1961, Truma launches the first officially approved caravan heater, the Truma-matic –making winter camping possible.
Philipp Kreis develops the S-shaped heat exchanger, which still forms the core element of the Truma S-heater today.
In 1969, the company launches the Duomatic gas pressure regulator, which automatically changes over from an empty gas cylinder to a full one. Out of this develops the current Truma DuoControl CS – now with integrated crash sensor, which enables heating while driving
Service has always been key for Truma: in 1972, the company sets up its service organisation with mobile service technicians
In 1975, Truma launches the Trumatic E-heater – the predecessor to the Truma VarioHeat
In 1976, the Truma Therme enters the market, making hot water available in caravans
for the first time.
In 1981, Truma develops its first boiler in gas and gas/electronic versions – hot water in recreational vehicles becomes even more convenient
From 1988 to 2008, Managing Partner Renate Schimmer-Wottrich modernises, internationalises and diversifies the company.
In 1994 Truma launches the C-heater, which is replaced in 2007 by the Combi
In 1997, the company establishes its first subsidiary in the UK and acquires Alde
Truma taps into new business segments and, in 1999, launches its first storage box
air conditioner Saphir and its first Mover.
In 2003, Renate Schimmer-Wottrich receives the Federal Cross of Merit and, in 2010, the Bavarian Order of Merit, for her entrepreneurial commitment and corporate social responsibility
Internationalisation continues: Truma Italia is founded in 2007 and Truma Scandinavia in 2010. 2013 sees subsidiaries in the USA and China, followed by a joint venture in Australia in 2018
In 2011, Truma launches the first Aventa roof-mounted air conditioner.
Since 2015, the company has worked on improving connectivity in recreational vehicles: the Truma iNet System allows the heater and air conditioner to be controlled and the gas supply to be detected – all via a smartphone app
In 2015, Alexander Wottrich joined the company as Managing Director of the Truma Group and became Technical CEO in 2018, keeping Truma a family business as it passes to the third generation.