NATURAL VENTILATION SYSTEM The Complete Solution - Gilberts ...

Penthouse Exhaust TurretRoof level exhaust turrets are the popularmeans to allow the warm stale air in the stackto ventilate. These turrets can also be set upfor use as combined fresh air intake andexhaust outlets when used in wind drivensystems.StackExhaust Wall OutletHigh level exhaust outletsoffer an alternative to roof topturrets and allow the warmstale air entering the stackto rise and ventilate to theoutside.TransferThe transfer grille is usuallyfitted at high level within theconditioned space.This provides a pathway forthe warm stale exhaust air torise and pass from the roomspace into the ventilation stack.Floor Swirl DisplacementFloor outlet swirl diffusers allow fresh naturalventilation air to enter the space from the floorvoid. The cool fresh air will displace the warmerstale air which can evacuate through the transfergrilles into the stack. Standard linear bar type floorgrilles which have a lower pressure resistance, canalso be utilised.Ceiling Laminar Flow DiffusersCeiling laminar flow diffusers allow naturalventilation air to enter the space from the ceilingvoid. The cool fresh air will intermix and sinkdisplacing the warmer stale air which can evacuatethough the transfer grille into the stack.5