Profile: Severn Ventilation Ltd. is a supplier of dust and fume extraction systems, wood refuse, air conditioning, ventilation and ductwork systems. Our services include design services, dust control & fume extraction, and heating & ventilation. We produce designs which minimize air rates, floor space required, heat loss and power requirements. The prime purpose of a heating and ventilation system is to provide a comfortable working environment for people. We provide a system design which is balanced & consistent, suiting the site conditions and production demands, which in many cases also produces a beneficial effect on output.