● High windows, windows that are installed high or too far away and out of reach by human power alone
● Windows that are too heavy, laborious to open or close, and inconvenient to use with manual switches.
● Fire smoke exhaust windows with fire linkage ventilation requirements on the floor.
● Windows with weather opening/closing requirements, such as: windows that need to be automatically closed when it rains in the warehouse.
● There are requirements for indoor constant temperature, such as: the windows of vegetable or flower greenhouse.
● There is a requirement for indoor temperature, the temperature is too high automatically open the window, such as: the window of communication room.
● Strict requirements for indoor air index, need timely and regular ventilation and air exchange.
● Indoor needs a more appropriate brightness, need to adjust the angle of the shutters to achieve.
● Windows need to be stricter to close the sealing power, such as skylights need to close more tightly to prevent rain.
● Other special occasions, such as chemical, dust and other factory workshops, need timely ventilation.
● Green, intelligent, energy-saving modern high-rise buildings, such as curtain wall windows, etc.
● Building automatic control, intelligent home control, etc.
