Difference between hygienic and regular air conditioner

As you know, an air conditioner is a device for providing comfortable and healthy air by achieving the right temperature, and humidity in large centers, hospitals, offices, etc. Air conditioners are designed and produced in different types based on the kind of use, air output capacity, airflow control, zoning, blower fan placement, etc. But the topic we will discuss in this article is two types of air conditioners, which are divided according to the degree of purity and cleanliness or the exhaust air filtration. These devices are hygienic and standard air conditioners; we will first describe the characteristics of the clean air conditioner, then examine the difference between sterile and regular air conditioners.

What is a hygienic air conditioner?

This type of air conditioner is usually produced in a capacity of 1,500 to 65,000 cubic feet per minute and can control the amount of pollutants and suspended particles in the air with the highest quality (up to 99.99%) in addition to providing the desired cold or hot air.
These devices are used in hospitals, laboratories, health units, operating rooms, pharmaceutical and chemical industries, etc., where the existence of sterile air free of microorganisms is necessary. For this reason, the hygienic air conditioner is also known as a sanitary air conditioner, hospital air conditioner, antibacterial air conditioner, and clean air conditioner.

Hygienic air conditioner components

The structure of hygienic air conditioners is very similar to normal air conditioners and differs only from infiltration. These devices include body, cooling, heating coils, fan, electric motor, humidifier and dehumidifier equipment, filter, damper, and outlet and inlet ducts.

The performance of hygienic air conditioners

The way hygienic air conditioners work is similar to standard air conditioners but differs in the filtration process. In this way, in hygienic air conditioners, the air taken from the outside environment by the dampers first passes over the mesh-shaped metal pre-filters to prevent the entry of solid particles (up to 5 microns in diameter) into the device. Then, in the second stage, the air passes through secondary or bag filters, and the air is purified to about 85%. In the last stage of the filtration process, the air passes through HEPA and ULPA filters, and up to 99.99% of pollutants (fine particles with a diameter between 0.1 and 0.3 microns) are removed from it. Then the clean air passes through the heating and cooling coils that are connected to the boiler and chiller. In the end, clean air is humidified and finally exits the machine outlet by a centrifugal fan.
Sometimes the UV lamp is also used as a supplement to destroy existing microorganisms by using ultraviolet radiation to the air passing through the air conditioner.

The difference between normal and hygienic air conditioners

Hygienic and normal air conditioners differ in the type of filtration, the type of use, the material of the device body and the degree of its sealing, the difference in the electromotor fan, and the price, which we will examine further.

1- The difference in the type of filtration

One of the most important differences between hygienic and normal air conditioners is their type of filter. In hygienic air conditioners, various filters such as bag filters, HEPA, or Olpa are used, which can absorb all the microorganisms suspended in the air. But in ordinary air conditioners, aluminum filters and sometimes washable bag filters are used, which cannot absorb microorganisms and only small particles such as dust. For this reason, hygienic air conditioners are used in sensitive places that require sterile air, free of germs and other suspended particles.

2- Difference in the type of user

The hygienic air conditioner is used in sensitive places such as hospitals, pharmaceutical factories, food industries, etc., which need sterile air. Meanwhile, conventional air conditioners are suitable for use in residential and commercial buildings, arcades, sheds, clubs, and so on.

3- The difference in the material of the body and the degree of sealing of the air conditioner

Since steel prevents the growth of microorganisms, stainless steel or stainless steel sheets are used in the construction of the body as well as the inner linings of hygienic air conditioners. In this way, the formation of deposits and, as a result, the growth of microorganisms is prevented.
In addition, in hygienic air conditioners, all internal surfaces of the device are covered with a waterproof silicone coating. This type of cover will prevent moisture from entering the air conditioner. Also, the coil of hygienic air conditioners has a hydrophilic coating, which has antibacterial properties and prevents the growth and proliferation of microbes.

4- Difference in fan and electric motor

The air conditioner's air production capacity depends on the fan's power and its electric motor. Since the task of hygienic air conditioners is to provide clean air in sensitive environments, and high air pressure is needed to pass air through multiple filters, high-power electric motors (high static pressure) are used in these devices.

5- Difference in price

Another difference between hygienic and normal air conditioners is their prices. Hygienic air conditioners have more advanced features such as multiple filters, temperature, pressure, and humidity sensors, more powerful motor, body material, and coating and coils, etc., which are more expensive than normal models.

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final word

In this article, we introduced the hygienic air conditioner and then examined its differences from the regular air conditioner. Hope that we have provided helpful information in this regard. To view and compare the types of regular and hygienic air conditioners and other kinds with different brands and capacities, as well as to know the updated prices of the products, you can go to the website of DemaTajhiz specialized collection (the first and most reliable specialized collection in the field of equipment for building facilities and all Air conditioners since 2013 and having three valid business licenses. For more information and advice, you can contact the heating experts.

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