}


GÉRY NOLLEVAUX – GNC
Building Services Engineering & BIM Coordination
GNC mainly supports companies active in HVAC, plumbing and electrical systems with their detailed design, calculations, drawings, builders’ work openings, BIM coordination and as-built documentation.
In addition, GNC also carries out HVAC, plumbing and photovoltaic installations (RESCert), as well as CertIBEau certification services.






