A damper is a machine used to measure the airtightness of a building. It can also be used to measure airflow between building areas, test the airtightness of ductwork, and help physically locate air leaks within the building envelope. [1]A blower door consists of three main components: (1) a calibra Read More

Due to the large difference between temperature and grain temperature, the first ventilation time should be selected in the daytime to reduce the difference between grain temperature and temperature and reduce the occurrence of dew condensation. Read More