Transparent heat recovery unit with LED-lit internals on the Blauberg stand

Photo: Mariusz Młynarczyk / CloudAir.tech

A compact heat recovery unit with transparent top panels and red and blue LED strips reveals its exchanger and fans on the Blauberg stand. Beside it, a grey ventilation unit carries labels for "Filter", "Wärmetauscher heat exchanger" and "Ventilator fan", set against blue and wood-finish walls with a screen.