There are different types of curtains that exist. Each curtain is formulated with a specific goal in mind. Above all the curtain is used as a convenience for the user or users. For example, take the ever impressive air curtain. The air curtain can be used in a variety of sectors including used for fast-food restaurants, schools, commercial shopping areas, and for customer comfort. If you are having trouble considering what exactly an air curtain is, remember waling into a big retail store through the front entrance. Any times you are hit with a cool breeze of air, usually during the summer months, or a warm breeze of air, used during the winder and cold season. The air curtain, as stated, can be used to prevent insects and bugs from entering an area.

For example, fast-food restaurants use drive-thru air curtains to keep bugs from entering the food service area. The gust of air acts as a shield preventing any unwanted guests who would like to get in. the air curtain can also help with the prevention of Particulate Matter (PM) or dust and odors from entering the area. PM come in different sizes. There are those that are visible to the human spectra including PM known as dust; however, there is PM that cannot be seen by the human eye. This is the most dangerous type of dust because it can pass through the nasal cavity and enter in the lung system with out being filtered. Therefore, it is important to eliminate as many dust particles was possible with the help of an air curtain. For other commercial uses, includes using air curtains as a means of customer service and satisfaction. Some of these devices also come with sanitation controls, with areas to capture insects.

When it is a cold day, an organization may use an electric air curtain that gives a shield of warm air. When customers pass through the air, they are greeted with a warm breeze that will hopefully warm them up. The opposite is also true during summer months. These types of air curtains also keep warm or cold air from exiting the building. There are accessory pieces, such as motion detection that will trigger the air curtain.

The other uses of the air curtain can be used as an energy efficient appliance. Sometime air curtains are used in refrigerators, when the door is left open. The air helps regulate temperature and keep energy consumption low. This aspect not only saves the user monies from their electricity company but also is environmentally friendly.