WITH ELBRO / Geneo® WE CREATE THE MOST ENERGY EFFICIENT WINDOWS IN THEIR CLASS Our technologies and know-how allow to produce a window with secure top-venting hopper in the tilt position, an inward opening casement in the turn position. There are several functional combinations: TurnTilt, Tilt before Turn, Tilt only, Turn only, Escape or combination windows (sashes with fixed frames). Windows can be designed in various combinations, sizes and decorative partitions and all other individual features of the product may vary to fit your home design needs.