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Roof ventilation turrets

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Roof ventilation turrets use external wind and temperature to improve indoor air quality (IAQ) as part of a sustainable ventilation system. Unlike mechanical ventilation systems, natural ventilation uses a minimal amount of energy and is subsequently cost-efficient. Read More

Natural ventilation systems are becoming increasingly popular in schools and offices, as the fresh air circulation helps to improve concentration and reduce absenteeism.

Often designed to be in keeping with the architectural aesthetic of the building, the roof-mounted ventilation terminals are typically constructed using aluminium, GRP or ABS. They are suitable for installation on both flat and pitched roofs.

Passive stack terminals make use of passive stack ventilation (PSV), which is the most common type of natural ventilation. PSV combines cross ventilation, buoyancy (rising, warm air), and the venturi effect (suction caused by wind passing over the ventilation terminal).

Displacement terminals utilise displacement ventilation, which is especially suitable for night cooling applications and for large spaces, such as sports halls and auditoriums. The turret typically features at least two separate chambers: one for cool incoming air, and the other for warm, outgoing air.

The ventilation terminals can feature integrated fans, for assisted ventilation, as well as integrated light pipes, to make use of natural daylight and to further reduce energy costs. 

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Roof ventilation turrets - helping you find the best solution for your project.

Roof ventilation turrets - helping you find the best companies for your project.

  • ADM Systems
    Ling Fields, Gargrave Road, Skipton, BD23 1UX
  • Brooke Air

    Series PH and PHS Penthouse louvre assemblies have been designed to provide weather protection to ventilation openings in building roof platforms. They are composed of frame and blade assemblies, manufactured to suit the building opening, with 38mm, 50mm or 75mm pitch blades

    JC House, Hurricane Way, Wickford Business Park, Wickford, SS11 8YB
  • Environmental Construction Solutions

    Offers a variety of building products that are made to bespoke client specifications from GRP. Products include louvred roof ventilation units

    Unit 21, Algernon Industrial Estate, New York Road, Newcastle-upon-Tyne, NE27 0NB
  • GDL Air Systems

    One of the leading manufacturers and suppliers of grilles, diffusers and louvres in the UK. Offers an external weather louvre, which has a 30mm blade pitch suitable for opening requirements of 150x150mm to 1200x1200mm. The louvre is available with either a standard 30mm flanged frame or in a narrow-line flangeless frame for recess mounting. A rear

    Woolley Bridge Road, Hadfield, Glossop, SK13 2NR
  • Good Directions

    Most of our standard GRP roof turrets, clock towers and cupolas can be adapted to offer a means of achieving inlet and outlet ventilation with the addition of aluminium ventilation louvres, whilst providing an attractive architectural enhancement of the property on which they are installed. Alternatively for simple free air movement in a roof

    Time House, 19 Bottings Industrial Estate, Hillsons Road, Curd, Southampton, SO30 2DY
  • HVC Group

    The companys weather louvres are ideal for natural ventilation and other roof-mounted ventilation systems. • Available in two blade formats. • Comprehensive range of accessories. • Extruded aluminium construction

    Bradley Road, Wollaston, Stourbridge, DY8 1UZ
  • McKenzie Martin

    Designs and manufactures natural ventilation products for commercial and industrial applications. The product range includes fixed-blade and adjustable-blade louvres, as well as louvres designed to cope with environmental problems such as extreme weather conditions, wind-borne sand, undesirable light penetration or noise transmission. All products

    Eton Hill Works, Eton Hill Road, Radcliffe, Manchester, M26 2US
  • Midtherm Engineering

    Our natural ventilation range harness nature's own energy supply so you don't have to rely on yours. Our solutions significantly reduce energy consumption, offer incredible cost savings (compared to traditional ventilation and lighting systems) and have been proven to reduce staff sickness and improve productivity compared to offices that have air

    Staffordshire House, New Road, Netherton, Dudley, DY2 8TA
  • Monodraught

    Designs and manufactures natural ventilation systems for public, commercial and institutional buildings. The systems operate by catching the prevailing wind from any direction at roof level, and carrying it throughout the building through a controlled damper arrangement. Stale air is also driven from the building using the same system by means of

    Halifax House, Cressex Business Park, High Wycombe, HP12 3SE
  • Passivent

    Manufactures natural and energy efficient ventilation systems for homes, sports halls, auditoria, industrial buildings and large commercial buildings. Includes roof-mounted ventilators which channel wind downwards into a building, displacing rising heated air which is directed outwards. Units are offered in a range of standard sizes, and the

    North Firth Oasts, Ashes Lane, Hadlow, TN11 9QU
  • SE Controls

    Manufactures, installs and maintains natural and smoke ventilation systems for public and commercial buildings. Motorised, pneumatic and magnetic opening systems can be employed to open vents, which can be both vertical and roof-fitted. Control panels for the systems can be designed to meet specific requirements for individual buildings. Contracts

    Lancaster House, Wellington Crescent, Fradley Park, Lichfield, WS13 8RZ
  • Smoke Control Services

    We design and install low-energy natural ventilation systems for all types of buildings including schools and commercial buildings. The company also manufactures a range of controls that can automatically operate systems to provide nocturnal cooling and temperature control. Designs are produced using the latest CFD programs to ensure they deliver

    The Innovation Centre, Tredomen Business Park, Hengoed, CF82 7FN
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