[1] The company employs ~17,000 people worldwide and generates an annual turnover of approximately 3.7 billion euros.

This was a great technical innovation at the time and Johann Vaillant had a lasting impact on the development of heating technology.

[5] The company continued down this path of internationalisation with the acquisition of a majority stake in the Turkish heating and air-conditioning technology specialist Türk Demir Döküm[6] Fabrikalari in 2007.

In 2006 the company began to produce heat pumps and in 2008 solar thermal collectors independently and on an industrial scale.

Further sites include Nantes (France), Belper (UK), Vitoria (ES), Bozüyük (Turkey) and Wuxi (China).

Alongside these corporate reports, the Group also publishes the employee magazine Life and the Internet blog "21grad".