Ductus have selected fabricators spread across the country
who are highly qualified with ISO 9001:2008 certification.

Round System

Round System is the only pre-insulated duct with circular section available on the market and endowed with a specific patent: it is capable of superior performances as far as installation, maintenance and results are concerned. It faces in a revolutionary way and in a problem solving optics the difficulties of installation related to HVAC systems in complex situations of planning and designing, paying attention to the aesthetics and providing a considerable addition value as far as energy saving are concerned. Round System bases its functionality on the same ideas that have made of ALP System a successful technology; lightweight, rigid pre-insulated duct.