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How to choose the right air curtain?

Views: 0     Author: Site Editor     Publish Time: 2022-06-10      Origin: Site


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The air curtain uses a strip-shaped nozzle to send out a curtain-shaped airflow with a certain speed, a certain temperature and a certain thickness, which is used to cut off another airflow.

  • How to choose the right air curtain?

  • How does the air curtain work?

  • How to choose a hot air curtain according to the air pressure?

How to choose the right air curtain?

We will select the model according to the width and height of the door, combined with the actual local temperature and wind power, use the door width to define the size of the air curtain, and the door height to define the air supply type of the air curtain. If the door height exceeds 3 meters, centrifugal Type air curtain machine, the cross-flow air curtain machine is used for those below 3 meters; the door width is 2000mm, two sets of 900~1000 can be used, or one 1800~2000 can be used. The main specifications of the air curtain machine are 900mm, 1000mm, 1200mm, 1500mm, 1800mm, 2000mm; according to the cooling and heating method of the air curtain, it is divided into water cooling, water heating, water vapor, electric heating, etc.;

How does the air curtain work?

The air curtain machine generates high-speed airflow, divides the indoor and outdoor into two independent temperature zones to create a comfortable indoor environment, maintains the effect of indoor air conditioning and air purification, saves electricity, and circulates the air to effectively isolate dust, smoke, and odor. Microorganisms such as air and insects. The continuously formed air door can effectively prevent the leakage of cold (warm) air and save electricity. It divides the indoor and outdoor into two independent temperature zones. When the air conditioner is running for a long time, the auxiliary circulation adjusts the temperature to save energy and improve the environment. Purpose. Dust-proof and insect-proof effect The air curtain machine generates high-speed airflow, forming a protective door, which can effectively block the intrusion of outdoor dust and flying insects, and keep the indoor clean. Anti-smoke and harmful gas effect The air circulation system of the air curtain can make every corner of the room strongly block the odor of oily smoke and the harmful gas such as industrial waste gas and automobile exhaust from entering the room. Air Circulation Effect In gymnasiums, cinemas, entertainment venues, etc., when the air conditioning energy is distributed unevenly due to the large space, the air circulation system function of the air curtain can achieve a balanced indoor temperature.

How to choose a hot air curtain according to the air pressure?

The ideal effect of the air curtain machine to seal the door is that the wind blown by the air curtain machine installed on the gate can blow to the ground below. , and some blow low. Axial-flow air curtains can generally blow up to 2.8 meters, and ordinary cross-flow air curtains can generally blow up to 2.5 meters.

Over the past 50 years, Guangzhou Meihao HVAC Equipment Co. Ltd. have always adhered to the concept of quality first, and constantly researched, developed and innovated products in accordance with international standards and market needs.

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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