Modern technology

Our systems are state of the art. They guarantee cost-effective and efficient energy conversion. This not only protects the environment, but also your wallet.

Sustainable heat generation

Whether earth, water or air. Based on natural principles, we offer you heat pumps & heat recovery systems that meet all European requirements.

Over 25 years of experience

Peter Dolder founded a company in May 1995 to manufacture and develop sustainable heating systems. For over 25 years, we have been constantly developing and improving our techniques & processes.

Dolder Wärmetechnik AG is a multi-layered company and designs overall solutions in the field of heating, ventilation, air conditioning and solar systems. The aim of Dolder Wärmetechnik AG is to offer products of the highest quality. For this reason, Dolder Wärmetechnik AG develops, plans, produces, installs and maintains overall projects.