The Howarth Ventilator, from what we can establish was designed in the mid 1800’s primarily to ventilate the Royal Armouries munitions stored deep within the Napoleonic Forts located around the coast of Great Britain.
Vision Ventilation - Passive Ventilation
National Assemble for Wales – Rotating Wind Cowl Refurbishment
The largest free rotating wind cowl is situated on the top of the Welsh Parliament Building. Although maintained routinely it was found that the rotation of the cowls was compromised and not as responsive to low wind speeds as originally designed…
Fort Widley Restoration Update
We have now completed our installation at Fort Widley consisting of two historically correct roof turrets sitting on a newly constructed brick pier that provides natural ventilation to the stable blocks 5m below.
Brighton Central Library
The roof of the library is fitted with three 6m high ventilation turrets constructed from 6mm thick aluminium sheets formed into a seamless structural feature to passively ventilate the open space library below.
RSPB Visitor Centre, Rainham Marshes
These unique ventilation towers are designed to allow passive air extract over a 360 degree range and will ventilate regardless of weather conditions through the innovative circular chimney constructed from stretched polycarbonate panels.
Stoneleigh Road, London
Distinctive roof mounted ventilators adorn vertical shafts that pass through the three story building. At each floor level high level motorised acoustic flap ventilators are mounted at ceiling level to allow passive warm air to pass into the shafts for extraction at high level.
Highfield School, Letchworth
Three educational teaching blocks are fitted with large natural ventilation and daylighting turrets designed to passively ventilate the classrooms and to flood the open corridors with natural daylight.
Dun Laoghaire Library, Dublin
The library and civic offices are fitted with five bespoke fixed ventilation turrets fitted with internal rotating drums, one for extra and one for inlet that track the wind direction and automatically move to into the wind to provide optimum natural ventilation.
Bower Ashton Campus, Bristol
Eleven roof mounted ventilation turrets that provide both fresh air intake and passive exhaust through the same terminal using dedicated air paths within the unit.
Camley Street, London Wildlife Trust
We designed a natural ventilation strategy that would fit discreetly into the sides of the timber cladding at eaves level. The sides of the building are fitted with a series of low-level and high-level perimeter louvres fitted with modulating dampers.
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Vision Ventilation LLP
23 Letcombe Place, Waterlooville, Hampshire PO8 0DE
Vision Ventilation LLP is registered in England and Wales, Number: OC352411.
Registered office: 87 London Road, Cowplain, Waterlooville, Hampshire, PO8 8XB.