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What is an air curtain?

Views: 13     Author: Site Editor     Publish Time: 2023-05-31      Origin: Site


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An air curtain is an invisible barrier of air that separates two different environments, such as indoor and outdoor spaces. It works by using high-speed fans that blow a stream of air down across the opening to create this barrier. The force of the air creates a seal over the entrance, preventing insects, dust particles, and pollutants from entering.

The use of an air curtain can benefit various types of buildings and businesses. For example, it can be used in commercial buildings like supermarkets or restaurants to keep cool or warm temperatures inside while keeping unwanted pests outside. In industrial settings where fumes are present or heavy machinery is used, it acts as a safety device by separating workers from dangerous airborne particles.

Not only does an air curtain improve indoor comfort levels for employees and customers alike, but it also helps in reducing energy costs. By creating this barrier between two different environments with varying temperature levels, less heated or cooled air will escape from the building's interior space when doors are opened frequently.

An air curtain provides numerous benefits to all kinds of establishments looking to enhance their efficiency without sacrificing comfort levels for those who work or visit them regularly!

How does an air curtain work?

Anair curtain  is a device that creates an invisible barrier of air over the doorway or entrance. The purpose of this invisible barrier is to separate two different environments, such as indoor and outdoor spaces. But how does it work?

The air curtain works by forcing high-velocity airflow from the top to bottom in front of any opening. This high velocity causes the incoming cold or hot air from outside to mix with interior conditioned air, which helps maintain a constant temperature inside.

Additionally, an air curtain can prevent insects, dust particles and other contaminants from entering indoors while keeping cool or warm temperatures inside at all times.

Air curtains operate through electric motors that power fans contained within them. These fans then force the surrounding ambient environment into motion thereby creating pressure difference on either side of the passage where they are installed.

An Air Curtain is very effective when it comes to improving energy efficiency and maintaining comfortable indoor temperatures while also providing several health benefits for people who live in homes close to busy streets or industrial areas plagued with pollution problems.

Advantages of using an air curtain

Air curtains offer numerous advantages to businesses and facilities that require an efficient way of preventing the entry of unwanted air, insects, and pollutants. Here are just a few benefits:

1. Energy Savings: Air curtains prevent the loss of conditioned air from inside buildings to the outside environment by providing a barrier between indoor and outdoor temperatures. This means that HVAC systems don't have to work as hard, resulting in lower energy bills.

2. Improved Indoor Air Quality: By creating an effective barrier against outdoor air pollutants like dust, pollen, and exhaust fumes; air curtains help maintain clean indoor environments for employees and customers alike.

3. Enhanced Comfort: In areas with high foot traffic or frequent door opening/closing like restaurants or retail stores; air curtains create a comfortable environment by reducing drafts caused by temperature differences.

4. Increased Pest Control: By preventing bugs from entering through open doors; businesses can reduce their reliance on pesticides while maintaining hygienic conditions.

In summary, installing an air curtain system can result in energy savings, improved indoor air quality combined with enhanced comfort levels for your clients/customers while effectively limiting access points for pests—all of which make it a wise investment for any business owner or facility manager looking to improve efficiency within their operations!

How to choose the right air curtain

When looking to install an air curtain, it's crucial to select the right one for your specific needs. Here are a few things to consider:

1. Size: The size of the opening where you want to install the air curtain will determine what size unit you need.

2. Mounting: Air curtains can be mounted vertically or horizontally, so make sure you choose the right model for your space.

3. Motor power: The motor power is measured in horsepower (HP) and determines how much airflow the unit can produce. Consider factors like ceiling height and overall room volume when selecting a motor power level.

4. Noise level: Depending on where you plan to install an air curtain, noise levels could be important to consider.

5. Energy efficiency: Look for energy-efficient models that will save money over time on utility bills.

6. Additional features: Some models may come with additional features like remote controls, timers or speed adjustments that may benefit your space.

By keeping these factors in mind while shopping for an air curtain, you'll find a model that best suits your unique needs!


Air curtains are an effective way to maintain indoor temperature and keep unwanted elements out of a building. They work by creating a barrier with powerful streams of air that separate the internal and external environment while allowing for free flow of people or objects in between. Air curtains can also lead to significant energy savings when used correctly.

When choosing the right air curtain for your needs, consider factors such as size, location, mounting style, and airflow velocity. By taking these factors into account during selection and installation, you can ensure that your air curtain functions optimally and provides long-term benefits.

Whether you run a large industrial facility or own a small retail store, an air curtain is worth considering for its ability to improve indoor comfort levels while reducing energy costs – all without sacrificing convenience or safety!

NO.C105 Yuewang building, NO.1 Wangling section of 106 national road, Baiyun district








  • Professional after service

    With more than 50 years’ experience, we provide professional shipping service and after sales service including: booking vessel, protecting exclusive agency, trouble shooting, helping client with sales(such as making catalog), and so on.
  • Full access to market all over the world

    Our products have certification of CE, CB, ISO 9001, UL, RoHS, etc. Since 1969, our products have been sold to countries all over the world.  
  • Full ability to design and manufacture air curtains

    Our factory has experienced R&D team and full equipment to design and manufacture air curtains. We have well integrated production line which includes Metal workshop; Plastic workshop; Blower workshop; Motor workshop and Assembly workshop. These workshops are equipped with the most advance equipment and machines in our industry (including the laser cutting machine and numerical controlled machines for various purposes. Also we put in loads of efforts to make sure our customers have unique, original design. To make sure our customers always have the leading edge products in the business.
  • High standard quality control

    Our air curtains are with ISO 9001 certifications.
  • High quality products

    Our standard models are made better than international standards. For example our motor is made and designed by our R&D team, with full copper wire and temperature rise lower than most of others. That means our motor has longer service life. With professional design and manufacturing, our product air performance is at least 20% better than most of others.
  • Most complete product range of air curtain

    Our factory was found on 1969, started to design and manufacture air curtain since 1982.Our first air curtain model Classic C2. We are now having more the 50 air curtain product series, include:
    Ambient air curtain; Heating air curtain (electric heating and hot/warm water heating air curtain); Horizontal mount air curtain; Vertical mount air curtain; Ceiling mount air curtain; Special air curtain series. Such as vehicle air curtain which installed on refrigeration truck, revolving door air curtain, cold room air curtain, etc. Product length from 0.6 meters to 2 meter, if there’s special needs we can provide customize service for other length. And the air curtain casing materials include steel, stainless steel, plastic, aluminum, etc. 

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