De Verdieping is a stately building located on Schachtplein in Heusden-Zolder – sleek, imposing, spacious, and accessible to curious students and visitors. The multifunctional building on the mine site connects the restored winding engine building and the compressed air plant with a modern new wing. In this beautiful building, you’ll discover the ZLDR Luchtfabriek visitor center and your adult education center – CVO De Verdieping.

ComTIS Services assumes responsibility for the overall technical management and maintenance of the sustainable technologies and takes care of the installations to ensure they function in optimal conditions in terms of comfort, safety, environment, efficiency and energy consumption.