Types of Turbine Ventilator

STEHLEN ventilators are constructed using high quality revolutionary aluminium alloy and its super light weight allows for greater spin sensitivity compared with others on the market. 

STEHLEN ventilators contain a high quality sealed and self-lubricating deep groove stainless steel ball bearings and reinforced supports. 

 Natural ventilation with roof turbine ventilator goes one step further using the forces of wind and buoyancy to help air move 24 hours naturally through a building, rather using expensive, energy intensive fans to push air around.