3 Key Points Sufficient and efficient ventilation is a key safety feature of any combustion appliance but interpreting Building Regulations Part J and HETAS Guidelines can be confusing. Here we've drawn on our experience as the only HETAS Approved ventilation manufacturer to simplify three points we are often asked to clarify. 1: In a modern [...]
In October 2010 the Building Regulations Part J changed - but we find that some manufacturers still have not. The changes meant all ventilators for heat producing appliances should be tested by an accredited independent company for equivalent area. Equivalent area is a calculation of the amount of air that can actually pass through the [...]