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Eight under one roof – the Vaillant Group’s brand family

Intelligent and forward-looking – since 1874

Vaillant, Saunier Duval, AWB, Bulex, Glow-worm, Hermann Saunier Duval, Protherm and DemirDöküm: our brands reach different market segments and millions of people – in many countries around the globe.

The Vaillant Group’s eight brands offer a wide range of heating, ventilation and air-conditioning technologies.The long-established Vaillant brand represents innovative and efficient products, intelligent control systems and optimum service, or in other words the highest standards when it comes to a future-oriented approach, user friendliness, design, efficiency and sustainability.

The Saunier Duval brand group (with its brands Saunier Duval, AWB, Bulex, Glow-worm, Hermann Saunier Duval and Protherm) as well as the brand DemirDöküm make up an important part of the Vaillant Group’s product range. These brands are characterised by intelligent, simple and reliable heating technology.

Looking for detailed information on our products? Here you will find our international brand and product websites:

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Vaillant brand and product website in Germany
All Vaillant brand and product websites
All Saunier Duval brand and product websites


Demir Döküm

Hermann Saunier Duval


All internatioanal Protherm brand and product websites