An air curtain uses a fan to force a curtain of air in a downward direction. The forced air creates an invisible barrier that helps to control temperatures by preventing hot or cold air from entering a doorway or building at an opening. ... Air curtains provide an ideal alternative to traditional doors.Mar 16, 2020
How effective is an air curtain?
The air stream layer moves with a velocity and angle such that any air that tries to penetrate the curtain is entrained. Air curtain effectiveness in preventing infiltration through an entrance generally ranges from 60 to 80%".
What does an air curtain prevent?
Air curtains create an invisible door that prevents the inflow of external air and restricts outflow of indoor air, protecting inside temperatures in the dining room, bar, or walk-in cooler. This results in less wear and tear of your heating or cooling system and saves you from incurring unnecessary heating bills.
What activates an air curtain?
Air Curtain Mechanics There are two ways to use an air curtain. ... Or, you can use the air curtain as a second line of defense behind a closed door, in which case the air curtain is activated only when the door opens. It springs into action, blasting air for a couple seconds until the door is again closed.Apr 23, 2012
Do air curtains run continuously?
The air curtain is installed inside the doorway, and air blows down toward the floor, sometimes at a slight angle outward. ... You can use it in an open doorway, in which case a stream of air runs continuously.Apr 23, 2012
What is air curtain used for?
Air curtains, sometimes referred to as fly fans, supply a high velocity stream of air across a door or window opening that keeps pests like insects from entering the building.
Will an air curtain keep bugs out?
Unlike fly lights and other indoor devices that serve as reactionary measures after flying insects have already gained access inside, air curtains are designed to keep flying insects out by creating an impenetrable, high-velocity flow of air.
Where do you put air curtains?
The air curtain is installed inside the doorway, and air blows down toward the floor, sometimes at a slight angle outward. There are two ways to use an air curtain. You can use it in an open doorway, in which case a stream of air runs continuously.Apr 23, 2012
Do air curtains save energy?
Summary: The usage of high efficient air curtains in stores means an energetic saving over 30%, researchers have demonstrated. Apart from stopping cool and hot airflows, the air curtains keep clear the indoor environment of insects, dust, particles, contamination and odors. ...May 19, 2014
How much power does an air curtain use?
The annual air curtain fan energy is 371 kWh. less balanced thus tending to cause more infiltration, the energy saving of the air curtain becomes better.
Is an air curtain worth it?
Absolutely! All studies and tests have proven that air curtains are effective. When an efficient air curtain is well installed it save lots of energy and at the same time the entrance areas remain climate protected, comfortable and free of draughts, insects, odours, etc.