Heat exchanger energy saving concept

Provide fresh air: -365 days a year, 24 hours a day to provide fresh air indoors without opening windows to enjoy the fresh air of nature to meet the health needs of the human body.

The origin of VMC fresh air system

In 1958, Europe took the lead in proposing the concept of modern indoor fresh air. At that time, for the sake of energy conservation, the air tightness of buildings was greatly improved, resulting in insufficient indoor ventilation rate, resulting in frequent indoor air pollution incidents.