Industrial Air Curtain, An air curtain is a product which creates a uniform stream of directed air, whether heated or unheated, across an opening to create a barrier inhibiting the transfer of heat and particulate matter from one zone to the other. An appropriately designed system will create this barrier across the entire height and width of the opening to create the effects. Energy savings as it provides a thermal barrier, stops drafts and reduces infiltration of outdoor air into air-conditioned areas. Improved Environment- air doors are designed to prevent dust, odours, insects from entering your building at open doorways. Simple and easy installation on wall or ceiling. 220V/1F/50Hz power sourceAIR CURTAINS are widely installed at the entrances of supermarket, theater, hotel, food storage warehouse, residentials. etc.