Kessler Heiztechnik

Founded in 1954, Kessler Heiztechnik is a limited company headquartered in Donaueschingen, Germany with approximately 11-50 employees specializing in Solar, Biomass, Biogas.

Kessler Heiztechnik GmbH is a family-run craft business in Donaueschingen, Germany, founded in 1954 by Willi Kessler as a one-person operation and taken over by Jürgen Kessler in 2002. Since January 2022 the company has been owned by Matthias Kunz, with Jürgen Kessler remaining as managing director. The company works in bathroom modernisation (typically 15 to 20 bathrooms per year, staff-free dust-free renovation) and in heating systems. Its heating portfolio covers gas and oil condensing boilers, pellet and wood-chip systems, solar thermal, heat pumps, combined heat and power units and micro-CHP. It also offers maintenance contracts and emergency service, and has expanded into biogas and photovoltaic systems. The company is a member of the Ring Deutscher Heizkostensparer and is part of a regional network of five Donaueschingen craft businesses under HandwerkerImpuls GmbH.