Conversation at Rosenberg beside red fan impellers and a retrofit display

Photo: Mariusz Młynarczyk / CloudAir.tech

Visitors talk at the Rosenberg stand next to red radial fan impellers mounted on white test frames. The red display cubes behind them read "kleines RETROFIT GROSSE WIRKUNG" and hold a grid of small fan modules, with the Rosenberg logo on a door in the red wall.