Natural ventilation (NV) is the best option to replace the air from any space to have a high indoor air quality, and to maintain it. It also removes all odor and moisture and introduces outside air to maintain the circulation of interior building air and also minimises your AC bills.
An NV system works on stack effect, which states that the warmer indoor air rises up through the building and escapes at the top through ventilation openings, and the rising warm air reduces the pressure in the base of the building, forcing cold air to infiltrate through either open doors, windows or ventilation openings.The range of natural ventilation products that are provided by the companies are louvres, solar shading, diffusers, fire and duct dampers, architectural products and ductwork accessories, anti vibration mounts, enclosures, all other types of equipment.
The types of natural ventilation are natural cross ventilation, natural stack ventilation, wind driven ventilation and passive stack ventilation, displacement ventilation, pressure-driven flows. In natural cross ventilation, high and low pressure zones are created by the wind and breeze to provide the fresh air, while in natural stack ventilation, warmer indoor air rises up from the living area through the top part of the building, like in chimneys. Wind driven ventilation depends on the force of the existing wind to pull and push air through the enclosed space and also through breaches in the building’s envelope.
The range of natural ventilation products that are provided by the companies are louvres, solar shading, diffusers, fire and duct dampers, architectural products and ductwork accessories, anti vibration mounts, enclosures, all other types of equipment.
NV could be achieved with openable windows or natural vents. The natural vent uses natural air movement and pressure differences to move fresh air through buildings. Other factors for working of Natural Vent include buoyancy of heated air, design of natural vent and materials used in constructing natural vent.
It is important to have a sustainable design of the Natural vents due to increasing environmental concerns. The designs of every NV system is flexible and variable according to the individual solution for each unique building.NV system works on stack effect, which states that the warmer indoor air rises up through the building and escapes at the top through ventilation openings, and the rising warm air reduces the pressure in the base of the building, forcing cold air to infiltrate through either open doors, windows or ventilation openings
