HN exhaust element

HN (SAFE) is a patent protected range of circular pipes, consisting of spiral wound pipes and shaped pieces that have a double seal secured with steel tape. This system guarantees a leak tightness class D when installed correctly. Installation is carried out using self-tapping screws.

Air ducts are used to transport air from the heat recovery unit to individual rooms and vice versa. In our product portfolio, we offer HVAC circular ducts, HVAC flexible ducts and HVAC accessories as well as the design of ductwork and heat recovery.