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What is an Air Curtain?

Feb 22nd, 2022 at 13:59   Beauty & Well being   Bareilly   21 views
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An Air Curtain, also known as an air door, is a machine that blows a controlled stream of air across an opening to the other side to create an air seal. This seal separates different environments while allowing a smooth, uninterrupted flow of traffic and unobstructed vision through the opening. Because they help to contain heated or conditioned air, they provide sizable energy savings and increased personal comfort when applied in industrial or commercial settings. They also help to stop the infiltration of pollutants and flying insects.



How Does an Air Curtain Work?

  1. Once it is powered on, air is brought into the unit through the intake

  2. The air then enters the fan housing and is accelerated by the fan.

  3. This fast-moving air goes into a plenum, which allows for an even distribution of air along the full length of the discharge nozzle.

  4. Airfoil-shaped vanes in the nozzle create a uniform air stream with minimal turbulence.

  5. The air discharged through the nozzle creates a jet stream to the floor. Approximately 80% of the air returns to the intake side of the Air Curtain Door, and 20% goes in the opposite direction.


Why Use an Air Curtain?

  • Energy savings through control of air transfer

  • Energy savings due to shorter run times of air handler or compressor

  • Safe environment support by increasing ventilation and de-stratifying the air

  • Maintain employee/customer comfort

  • Reduce flying insect infiltration

  • Unhindered traffic flow & unobstructed visibility across the threshold

  • Increase productivity due to stable temperatures

  • Maintain usable space around the door

  • Elimination of ice and fog in cold storage areas


Do Air Curtains Cool a Room?

While Air Curtain Blowers are not the same as air conditioners, they are highly effective at maintaining the interior temperature, keeping cool air inside and warm air outside (or vice versa) when the door is open. They are sometimes referred to as “invisible doors” as they create an invisible barrier between inside and outside environments. Because they help to contain heated or conditioned air, they provide sizable energy savings and increased personal comfort when applied in industrial or commercial settings.


Do Air Curtains Keep Flies Out?

Yes! And mosquitos, yellowjackets, and bees. Air Curtain Fans, 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. These flies and other small insects, find the air stream too powerful for them to fly through and if they try, they are blown down or sideways before they can enter the building.

How Much Does an Air Curtain Cost?

Electric Air Curtains can range in price depending on features, the application, and specific requirements. Consult a Berner sales rep today to get pricing on a model and control package that is best suited for your project.


Air Coolers, also known as evaporative or swamp coolers, cool an atmosphere by evaporating water. As air flows over water, certain particles on the water's surface are carried away. These particles take the heat with them, and this allows the air to cool. This is the main mechanism behind air coolers. Continue reading the article to know more about them.

How Does Air Cooler Work With Water?

Sweating also functions in the same way: the water particles on the skin's surface bring heat away with them as they evaporate, cooling the skin. It is also known that these air coolers are able to make use of 75% less energy as compared to the central air conditioners.

Evaporative coolers come in a variety of styles. A fine mist is sprayed into the air and then whipped out by a fan in some methods. Since the water in this mist is made up of fine droplets, it evaporates easily and absorbs heat from the air. In some other methods, the air is made to blow through a material that has been wetted. It can be blown through a fine mesh or past wet sheets, for example. This wet material then cools as it evaporates, and this, in turn, cools the air.