Grubb & Cronvall

Grubb & Cronvall AB, based in Sandviken, works broadly within the heating and plumbing area and with a focus on energy efficiency. Grubb & Cronvall's operations are focused on pipe work, control and regulation technology, installation of heat pumps, coordination and service. The customers are mainly companies and also some private individuals. Grubb & Cronvall is a subsidiary of the Instalco company Milen Ventilation.