What is a central air-conditioning fresh air system?

2023-04-12



The fresh air system is based on using special equipment to supply fresh air indoors on one side of a closed room, and then using special equipment to exhaust it outdoors from the other side. A "fresh air flow field" will be formed indoors to meet the needs of indoor fresh air ventilation.


The implementation plan is to use a high voltage head, a large flow and small power DC high-speed brushless motor to drive a centrifugal fan, rely on mechanical strength to supply air from one side to the room, and use a specially designed fresh exhaust fan to discharge air from the other side to the outside to force the formation of a fresh air flow field in the system. While supplying air, filter, disinfect, sterilize, oxygenate, and preheat the fresh air entering the room (in winter).

Air conditioning solves the problem of cooling and heating, while fresh air solves the problem of air quality. These are two different concepts. Air conditioning can only introduce fresh air to drive indoor air flow, but cannot exhaust indoor air, and indoor air quality cannot be thoroughly resolved. To completely solve the indoor air problem, we must use the fresh air system to achieve indoor and outdoor air replacement, exhaust the turbid indoor air, and introduce outdoor fresh air. In addition, due to the high airtightness of buildings nowadays, the traditional effect of opening windows for ventilation is not ideal. In addition, the widespread use of household appliances, especially the use of air conditioners, requires that doors and windows be closed to maintain indoor temperature, making it more difficult for indoor air to circulate. Therefore, houses with central air conditioning should be equipped with fresh air systems to ensure indoor comfort and health.

The fresh air system mainly exists to provide fresh air for our closed environment, so it is installed to provide fresh air indoors, so that the environment where we live can have an air replacement without causing harm to the human body. Air conditioning is mainly designed for cooling and heating. Therefore, in order to provide a more comfortable environment for everyone, it is recommended to install a fresh air system.
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