fans

New homes currently being built within the UK all incorporate some type of ventilation system, the majority of which are of the fixed mechanical fan type. These generally come in three generic designs known as single room background ventilators, continuous mechanical systems and continuous mechanical systems with heat recovery. Installation, inspection and commissioning of these systems is covered by Building Regulations, and there are training schemes in place which allow individuals to become Competent Persons to undertake these tasks.

This paper describes the precautions that have to be taken in design and installation of ventilation systems in order to reduce their noise. They concern fans, ducts and ductwork, air inlet and outlet, air diffusers, air handling unit.