Adjustable aerofoil louvers are architectural elements used in building facades or ventilation systems. Consists of horizontal and vertical slats, often made of aluminum arranged in a series to form a louver system. The adjustability allows users to customize their environment based on changing weather conditions, daylight levels, or privacy needs. These are commonly used in commercial buildings, office towers, and residential structures to enhance energy efficiency, optimize indoor comfort and contribute to the overall architectural design. It can be installed as part of a building's facade, windows, or ventilation system, providing both functional and aesthetic benefits.