In 2010, the Ledoyen heating company in Welkenraedt was taken over by the Dauvister company. This merger gave the name "Dauvister-Ledoyen" to the company. Today, the Dauvister-Ledoyen company offers you its heating and sanitary services throughout Wallonia. Thanks to qualified technicians and a team constantly listening to its customers, Dauvister-Ledoyen makes sure to respond to each of its customers' requests. In addition to heating and sanitation, renewable energies are now an integral part of the company. Dauvister L edoyen - Rue Crufer, 8. B-4970 Stavelot www.dauvister.com - info@dauvister.com