According to the personal library query, the fresh air network refers to the fresh air system. The fresh air system uses special equipment to send fresh air into the room on one side of a closed room, and then uses special equipment to exhaust it to the outside on the other side, which will form a "fresh air flow field" indoors, thus meeting the needs of indoor fresh air ventilation.

The function of Xinfeng com is mainly to realize indoor ventilation, provide fresh air, help eliminate fatigue and restore vitality.