A system that uses artificial methods to handle indoor air temperature, humidity, cleanliness and air velocity. It can make certain places get air with certain temperature, humidity and air quality to meet the requirements of users and production process and improve labor hygiene and indoor climate conditions.

What are the general classifications of air conditioning systems?

1. Centralized air conditioning

All air handling equipment (fans, filters, heaters, coolers, humidifiers, dehumidifiers and refrigeration units, etc.) are concentrated in the air-conditioning room. After the air is treated, it is sent to the air-conditioned rooms by air ducts. The heat and cold sources of this air conditioning system are also centralized. It handles a large amount of air, is reliable in operation, and is easy to manage and maintain, but the machine room covers a large area.

2. Semi-centralized air conditioning

The air treatment equipment concentrated in the air-conditioning machine room only processes part of the air, and there are also air treatment equipment in the scattered air-conditioned rooms. They either treat indoor air on-site or supplement and re-treat air from centralized treatment equipment. The induction system, fan coil + fresh air system are typical examples of this semi-centralized air conditioning system.

3. Local air conditioning

This system disperses all the air handling equipment in the air-conditioned room, so the local air-conditioning system is also called the distributed air-conditioning system. Various air conditioners commonly used fall into this category. The air conditioner integrates indoor air processing equipment, indoor fans, etc., cold and heat sources, and refrigerant output systems into one box. The decentralized air conditioner only delivers cold and heat carriers to the room, and the wind is processed in the fan coil in the room.

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