Rosenberg fan retrofit in a weathered unit casing beside RoVent 10 screen

Photo: Mariusz Młynarczyk / CloudAir.tech

Rosenberg shows four plug fans fitted inside an open, weathered unit casing in front of a red wall headed "Aus ALT ma...", part of its retrofit message. On the right, a white wall with the Rosenberg Ecofit Etri logo holds a screen running RoVent 10 software above a red shelf with keyboard and mouse.