Rosenberg retrofit wall 'Aus ALT mach EFFIZIENT' behind bamboo planters

Photo: Mariusz Młynarczyk / CloudAir.tech

Rosenberg stand at ISH 2025 with a red wall reading "Aus ALT mach EFFIZIENT" and an "ECFanGrid Retrofit Solutions" panel listing EC technology benefits. White planters filled with green bamboo poles and black woven pendant lamps frame the view, with a fan wall unit partly visible on the right.