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MonodraughtSince its inception in 1974, Monodraught has always sought to explore, develop, and create innovative low-energy building services solutions. By maximizing naturally available energy from the wind and the sun, Monodraught products help to reduce costs, energy consumption, and carbon footprints, helping us all to build for a better future. In 2007 Monodraught were incorporated into VKR Holdings as part of their Ventilation and Indoor Climate Group. Windcatcher Natural Ventilation Systems - Balanced FluesThe Monodraught Windcatcher natural ventilation system channels a controlled quantity of fresh air into a room from roof level, whatever the wind’s direction, and without mechanical assistance. The Windcatcher is divided internally into four quadrants so that one or more face into the wind. Here, windward quadrants supply air under that action of positive wind pressure, and leeward quadrants extract stale air under the action of negative wind pressure. On still days, the Windcatcher acts as a conventional passive stack using the natural buoyancy of warm internal air to stimulate air flow out of the building. Volume control dampers located at ceiling level vary the rate of ventilation according to the building requirements. In addition, during summer months the dampers open at night to provide night time cooling, which can help to reduce peak internal temperatures. The Monodraught Windcatcher system eliminates the need for air conditioning without compromising the security of the building. The systems are available in a range of standard square, circular and oval shapes, special bespoke systems are available to order. Sunpipe Natural Daylight SystemsThe Monodraught Sun pipe directs sunlight into a room from roof level. Here, the Sunpipe collects daylight using a patented Diamond dome, then it uses a silverised mirror-finished aluminium tube to transfer the light to a room, and finally a ceiling diffuser evenly distributes the light around the room. The Diamond dome and diffuser also seal the Sunpipe from the ingress of rain, dust, and insects. The Sun pipe is effective in sunny, overcast, and rainy conditions, requires no maintenance, and is compatible with many building designs, for example, multi-floor solutions are possible and common. When compared to a roof light, a Sunpipe eliminates glare, significantly reduces heat gains in the summer, and minimises heat losses in the winter. The Sunpipe is manufactured in a wide range of standard diameters (230mm to 1000mm) with larger bespoke systems possible. Monodraught can provide a full design and installation service. Suncatcher Natural Daylight & Ventilation SystemsThe Monodraught Suncatcher system provides natural ventilation and daylight by combining the Windcatcher with a Sunpipe natural daylight into a single system. Therefore, the Suncatcher is able to simultaneously provide fresh air and natural daylight to a room, and extract stale air from a room. The Suncatcher systems are available in the same range of sizes as the Windcatcher systems. Special bespoke systems are also provided to meet clients needs. Solar-powered SystemsIn response to rising energy prices, Monodraught has incorporated solar power into their natural ventilation systems to create three additional products: Sola-boost, Sola-extract, and Sola-vent. The Sola-boost uses the Windcatcher technology in coordination with a solar powered fan to guarantee an additional supply of ventilation on sunny days, whereas the Sola-extract applied the same principle but uses its fan to extract air. The Sola-boost and Sola-extract systems are available in the same range of sizes at the Windcatcher systems. Bespoke systems are also available. Monodraught’s Sola-vent system is an integrated natural daylight and ventilation system, which contains a Sunpipe, a solar powered extract fan, and two down-lighters. The Sola-vent is ideally suited to internal bathrooms and shower rooms where it ensures that current Building Regulations for ventilation are met. The Sola-vent is available in two sizes, using either 230mm or 300mm diameter Sunpipe systems. A mains backup facility is also available for applications where usage is variable.
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Monodraught Limited
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