With automated natural ventilation you can dispense with unsightly pipe-work and duct penetrations that space consuming ventilation units often require. Natural ventilation does not require suspended ceilings, meaning that you can increase ceiling heights. Moreover, natural ventilation allows more transparency and daylight through windows and other openings in the building.
With automated natural ventilation you can make full use of the entire building floor plate and height, as no space is required for large air handling units and equipment rooms. A mechanical ventilation system occupies up to 6.5% of a buildings floor area compared to only 0.2% for a natural ventilation system.
Buildings account for approximately 30-40% of total energy consumption. Intelligent natural ventilation has very low energy consumption and thus a very limited CO2 emission. If you choose automated natural ventilation, you can save 24-71% on carbon emissions compared to mechanical ventilation.
With a natural ventilation solution from WindowMaster, it is easy to divide your building into different zones to address several demands. Users always have the option to override the automatic control, meaning that the system always provides high satisfaction. In air-conditioned buildings, only 50% of the occupants are satisfied whereas in naturally ventilated buildings, 77% of the occupants are satisfied with indoor temperature.
With automated natural ventilation, it is possible to establish a good indoor climate in for example protected buildings, without the need to break through walls and ceilings to make room for large ventilation units. Natural ventilation is an obvious choice if the building is having the old windows replaced with newer ones. Here you can easily install actuators for natural ventilation.
The refurbishment can be completed very quickly, which allows the building occupants to have minimal disruption if you choose natural ventilation rather than mechanical ventilation. This may also enable you to avoid relocation of the building users while renovation takes place.
Fewer and less expensive components and construction work are some of the contributing factors that makes automated natural ventilation the low-cost option for a better indoor climate. Building life cycles cost (capital cost, operating cost and maintenance) is around 5 times cheaper with natural ventilation compared to mechanical ventilation and 2.5 times cheaper with hybrid/mixed mode ventilation. Furthermore, there is an estimated payback of as little as one year or an average ROI (return of investment) of at least 120% for natural ventilation and mixed-mode systems, due to the energy, health and productivity benefits.
Studies have shown that people who are staying in buildings with natural ventilation have fewer building related symptoms such as headaches and eye irritation. It has also been found that natural ventilation increases productivity with 3 - 18% compared to mechanical ventilation and savings on health cost amounts to 0.8 - 1.3%. Sick building syndromes symptoms can also be reduced by more than 65% with a natural ventilation solution.
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