As the development of economy, heavy use of coal and fossil fuels to produce dust, carbon dioxide, sulfur
dioxide and other harmful substances, which leads to abnormal weather, severe air pollution, significantly
increased concentration of fine particulate matter (PM2.5). It seriously influences our work, life and health.
Compared to the traditional fresh air exchanger, below are our advantages:
1.The two-stage heat recovery system with heat pump and air heat exchanger.