A-Heat mourns death of CEO Christian Weiser
25th November 2025
GERMANY: A-Heat Allied Heat Exchange Technology AG, holding company of German heat exchanger manufacturer Güntner has announced the sudden and unexpected passing of CEO Christian Weiser.
Weiser joined Güntner in 1992 and subsequently embarked on an international career with the company encompassing leadership roles in Russia, Indonesia, South Africa, and Mexico. He was appointed CEO in 2012.
In a statement, the company said: “Under his leadership, the A-Heat/Güntner Group expanded its global presence, strengthened its innovation and sustainability initiatives, and deepened its employee-focused corporate culture.
He will be remembered for his strategic vision, integrity, and humanity – qualities that inspired colleagues and partners around the world.
A-Heat board member Hubert Spegel said: “We have lost a truly remarkable person. Christian Weiser was a leader of integrity, empathy, and humour. His tireless commitment helped to make the A-HEAT Group what it is today.”






