Roof Ventilator in Bagodra We at AIRWELL SYSTEMS are capable of manufacturing efficient Turbo air ventilators without inflicting hiked prices. As the name suggests, powerless air ventilators consume no power at all. Our powerless air ventilators are quite popular amongst our clients owing to its brilliant working capacity. It doesn’t create noise while working and is easy to install as well. It is essentially used in Go-downs, workshops and power houses. It doesn’t involve any operational cost. It works efficiently without much hassle and no maintenance at all. Here are the features and merits of powerless air ventilations