Air curtains, also known as air doors, are devices that create a barrier of high-velocity air across an opening, such as a doorway or window, to separate two different environments while allowing the passage of people, goods, or vehicles. The air stream generated by an air curtain can be heated or unheated and is typically blown downward from the top of the opening to the floor, creating a virtual seal that prevents the infiltration of outside air, dust, insects, and pollutants, and reduces the loss of conditioned air from the inside. Air curtains can be used in a variety of applications, including commercial, industrial, and residential settings, and can be installed horizontally or vertically, depending on the specific needs of the space. The effectiveness of an air curtain depends on several factors, such as the size and shape of the opening, the velocity and temperature of the air stream, and the distance between the air curtain and the source of the air infiltration. A properly designed and installed air curtain can provide energy savings, improve indoor air quality, enhance comfort and safety, and reduce maintenance costs. For example, in a retail store, an air curtain can help maintain a comfortable temperature for customers and employees, while keeping the outside noise and odors at bay. In a manufacturing plant, an air curtain can prevent the entry of contaminants into a clean room or a controlled environment, while allowing the movement of goods and personnel. Air curtains are available in different types and sizes, ranging from small, portable units to large, custom-built systems. Some air curtains are equipped with sensors and controls that adjust the air flow and temperature based on the occupancy, weather, or time of day, while others can be integrated with building automation systems for centralized monitoring and management. The installation and maintenance of air curtains should be performed by qualified professionals, and the equipment should be regularly inspected and cleaned to ensure optimal performance and safety.
air doors, air stream, energy savings, indoor air quality, virtual seal
CITATION : "Nicholas Smith. 'Air Curtains.' Design+Encyclopedia. https://design-encyclopedia.com/?E=410549 (Accessed on February 28, 2024)"
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