We should choose and use the fresh air system reasonably according to our own needs and actual conditions to create a healthy and comfortable living environment for ourselves and our families....

A fresh air system is a device or system designed to improve indoor air quality....

When installing a fresh air system, we must first ensure that proper ventilation conditions are available....

With the acceleration of the pace of modern life, people's requirements for living environment are increasing day by day. Among them, indoor air quality has become the focus of attention...