Three Thesslagreen recuperators, one with a transparent casing

Photo: Mariusz Młynarczyk / CloudAir.tech

Thesslagreen shows three heat recovery units side by side: a stainless steel model connected to tall grey EPP ducts, a black unit with transparent panels revealing its interior, and a white unit with hexagonal graphics. The units sit on blue and white plinths in front of the PSIW stand with its ceiling truss.