Visitors pointing out the exchanger inside a Vents ventilation unit

Photo: Mariusz Młynarczyk / CloudAir.tech

A group of visitors studies an opened Vents heat recovery unit as one of them points to the hexagonal exchanger inside. A product data sheet sits on top of the unit, and further units stand against the blue Vents backdrop with sky graphics and the "www.vents-group.pl" address.