Close view of the open heat recovery unit's controls and exchanger

Photo: Mariusz Młynarczyk / CloudAir.tech

A closer angle on the open ventilation unit at the Vortice stand shows its electrical control board, damper actuators, pipework and the diamond-shaped heat exchanger housing. The green rear wall carries the words "AIR TREATMENT", "DESIGN" and "VENTILATION" next to the Vortice and Casals logos.