Transformation of the fan – from DDIW to EC

Perpetrual transformation Over the past 15 years, significant changes have been made to the design of fans used in the HVAC industry, in particular in air handling units. The solutions have undergone such changes that many people, seeing at the same time a fan used in an air handling unit until recently and an analogous […]

Principles of the radial backward-curved fan

Choosing the right fan is probably one of the most crucial moments in designing or configuring a ventilation device, regardless of its type or purpose. In the case of an air handling unit, the correct selection of this critical component will have a decisive impact on the overall efficiency of the ventilation system, the costs […]