Ductwork is the part of the HVAC system. High quality ducting is essential to the effective running of a ventilation system. When ducting is selected and installed correctly, it can improve and prolong the efficiency of the whole system, leading to long term low maintenance. There are two broad categories of ductwork: flexible and rigid. What is Rigid Ducting? Rigid ducts can be different sizes and made from different materials, and they can be either rectangular or cylindrical. Because the ducts are rigid, they do not have the risk of kinks or bends restricting airflow and,...