The ABB standard drive for HVAC, ACH550, has become the first variable speed drive to receive the new European BACnet certification. The drive has been approved and listed by BACnet Testing Laboratories (BTL) as meeting the updated BACnet standard ISO 16484-5:2007. ABB's

When its parent company, Scottish and Southern Energy, acquired a 50% stake in Scotia Gas Networks, Southern Electric Contracting was the obvious choice to carry out the refurbishing of the company's mechanical and electrical facilities at its headquarters in Horley, West Sussex.