We are manufacturer, supplier, dealer & exporter of Air Curtains, which maintains the interior air conditioning efficiency to save energy, while preventing the entry of dust, harmful insects and fumes from outside. An room air curtains or clean room curtains is a device used for separating two spaces from each other. It usually happens at the exterior entrance. The most common configuration for room air curtains is a downward facing fan mounted over an opening. Normally this opening is an entrance to a building and the room air curtains is intended to help keep outside air out and avoid cold drought by mixing in warm air from the room air curtains. The fan must be powerful enough to generate a jet that can reach the floor. An air (non-heated) room air curtains are often used in conjunction with cold storage and refrigerated rooms. Airflow through a door depends on wind forces, temperature differences and pressure differences.