Because the inverted position is another way to open the casement window, it allows the room to circulate naturally with the natural air, and the indoor air is fresh, while eliminating the possibility of rainwater entering the room. The fresh air will undoubtedly create a comfortable living environment for people.
The linkage hardware arranged around the window sash and the various functions of the handle for indoor operation are fixed on the window frame when the window sash is closed, so the safety and anti-theft performance are excellent.
Easy to clean windows
The operation is simple, and the outside of the window sash can be turned indoors. It is convenient and safe to clean the outer surface of the window.
It avoids occupying indoor space when the inner opening window is opened, and it is inconvenient to hang curtains and install a lifting clothes rail.
Good sealing and heat preservation performance
Through multi-point locking around the window sash, the sealing and heat preservation effect of the doors and windows are ensured.