With the development and popularity of solar energy, solar energy can be used not only for heating, but also for ventilation equipment. The solar fan is mainly used for indoor ventilation and cooling. It works entirely on solar energy, saving energy and protecting the environment. The use of solar fans is becoming more and more popular today. Not only for homes but also for factories, which can reduce energy costs. Has been vigorously promoted and liked by people. The following is a design example of solar ventilation equipment in the factory for reference.