Before we talk about How does the ventilation fan keep the heat away? we should know where the heat inside the building comes from. (more…)

Although the ventilator is a ventilation device that does not require electricity it has several disadvantages, such as it often freezes when there is no wind, or when it rains, rainwater may leak the gap. It should be installed on a tall building to received proper airflow. Therefore, the ventilator is not an effective ventilation system. (more…)

Ventilation is necessary to help optimize the environment the working space such as industrial plants, warehouse, garage, etc. Either bringing fresh air into the area or the ventilating the heat, humidity, dust, and unusual odors out of the area, ventilation is essential to be controlled according to standard in order to make sure workers in the area feel comfortable, breath easily and reduce heat. (more…)

Solar Wall Ventilator Fan 1) Install at the roof gable to absorb heat in an attic 2) Ventilate the heat, dust or odor Can be installed at homes / offices / animal houses / shopping malls / factories / warehouses / chemical storage, etc. (more…)

Solar Roof Ventilation Fan (VDO) 1) Install on the roof to insulate the heat at an attic 2) Ventilate high temperature, dust or odor Can be installed at homes / offices / animal houses / shopping malls / factories / warehouses / chemical storage, etc. This VDO:  is a test of a solar roof ventilation fan that helps cooling the temperature under the roof by 5-7 degree Celsius (more…)