Application of air handling unit in the building

As you know, nowadays various equipment is produced and supplied in the field of building air conditioning and systems. Each of the devices that are designed and built for this purpose can provide good performance if they have the correct capacity determination calculations by experts and facility engineers, as well as being located in the appropriate geographical environment and installation location.
An air handling unit is one of the best options among central air conditioners, which is used in office and commercial places, hospitals, factories, etc. to create the desired temperature in different seasons. In this article, the use of air conditioners in buildings and their benefits are discussed. Please follow us in this article to get more acquainted with the air conditioner and how this equipment works.

What is an air handling unit?

As mentioned, the air handling unit is one of the air conditioning equipment that has the ability to create the desired temperature of the environment in different seasons. Air handling units have 2 coils (copper pipes) containing hot and cold water, a number of filters, electric motors, aeration fans, air supply, and distribution channels, humidifiers, and in some cases, refrigerant coils (DX-type air handling units).

How the air handling unit works

In order to heat or cool the air in the desired environment, air handling units take help from a chiller or a boiler (supplier of hot and cold water). The way this equipment works is that cold water is supplied by a chiller or mini chiller in the summer season, and hot water is supplied to The cast iron or steel boiler is supplied in the winter season, then it is sent into the air conditioner coil. One or more fans are located inside the air handling unit, which moves the air around the coils and directs them into the intended environment through the channels. If the water inside the coils is cold, the surrounding air is also cooled, and if hot water flows from the boiler inside the coils, hot air is produced.
The air handling units, which have different types, provide air in three ways, which can be chosen according to the type of use in each building and environment. These three methods are described below.

•     Receiving fresh air from outside, which is complete and 100%, then the temperature is adjusted on the cold water coil and hot water coil and is directed inside the building, which is also called Full Fresh air. These types of air handling units are commonly used for medical centers, operating rooms of hospitals and special and sensitive industries.
•     Receiving some fresh air from outside and receiving some return air from inside the building, combining these two in the air mixing chamber or Mixing Box, then adjusting the temperature in the hot water coil and cold water coil of the device is done and the comfortable air is sent inside the building. . It should be noted that the most common method of air supply in air handling units of office, commercial and industrial buildings is of this type.
•     Receiving air from inside the building, in this case, no fresh air from the outside environment enters the building. Then, the operation of adjusting the temperature and bringing it back inside (100% indoor air circulation) is done in terms of the insensitive air conditions of the project and economic issues.

Damatajhiz; The best prices and brands of building installation equipment

Single-zone and multi-zone air handling units of Damatajhiz

A wide range of types and capacities of air conditioners are produced by Damatajhiz Company, from which esteemed experts and engineers can easily select the air conditioner required for their project. Temperature-equipped air handling units consist of 15 main sizes. The air handling units produced by Damatajhiz Company are designed and manufactured horizontally, vertically and in L-shape in different single-zone and multi-zone (multi-zone) models from aeration capacity of 2000 cfm to 65,000 cfm. Here are some of the features of a thermosetting air handling unit.

Long life

High-quality galvanized sheets, precise aluminum dampers, proper insulation, convenient and easy lubrication, fan bearings, and use of durable aluminum profiles are among the features that are very effective during the long life of air conditioners.

Slow operation

The powerful but quiet aeration of these air conditioners is the result of using precise fan impellers for all sizes, which are used in forward and backward centrifuge models, and to control the decibel of the device, each part is surrounded by sound insulation.

Ease of installation and repair service

Easy, fast and safe access to the air conditioner, proper door position, as well as having a suitable structure for removing or moving parts and full access for assembling parts are the advantages of the air conditioner.

Click to view brands, models, and different types, find out the price, and buy an air handling unit (AHU).

Conclusion

This system is used as a central device, for this reason, it cannot be a suitable choice for separate spaces that require independent control, such as residential and office units, hotel rooms, or shops in a commercial center. In general, the use of Air handling units is common for spaces that have a large and integrated area or require a significant volume of fresh air. Air conditioners are based on the type of use, airflow control, zoning, blower fan placement, air outlet, and units in various types. They are designed and produced in different ways, among the most important of which we can mention all kinds of industrial and hygienic air conditioners.

Concluding remarks

The first and most reliable reference for purchasing construction equipment and all air conditioning equipment is Damatajhiz specialized collection, which started its activity in 2013 and today is the most well-known store site in Iran and the countries of the region in the field of construction equipment sales.
To see the types and brands, updated prices, and also to buy different types of air conditioners, you can visit the Damatajhiz website during office hours. For more information, you can call 021-88822550 to get advice from experts in thermal equipment.

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