About us
Grethen specialises in heating and plumbing installations for residential buildings in Luxembourg and offers a wide range of products and services.
The company employs around forty qualified staff who are experts in fuel-fired heating systems (gas, oil or wood-fired boilers), heat pumps, ventilation systems, water softeners and solar thermal systems. In close collaboration with electris Luxembourg, the company also carries out the installation of Luxproof heat pumps (developed by MINUSINES).
Paul Hoffmann
Director
Alain Gauthier
Director
