Abstract: A single hung window has a window frame, an upper fixed lite of glass secured to the window frame and a movable lower sash secured to the window frame with the lower sash being generally coplanar with the upper fixed lite of glass. Lower sash retention elements secured to opposed jamb portions are operatively associated with the lower sash to facilitate securement of the lower sash in a plurality of positions. A balance system is secured within each jamb and is operatively associated with said lower sash. The lower sash may be structured to receive a screen. The sash may be employed alone without the upper fixed lite of glass.

Abstract: A single hung window has a window frame, an upper fixed lite of glass secured to the window frame and a movable lower sash secured to the window frame with the lower sash being generally coplanar with the upper fixed lite of glass. Lower sash retention elements secured to opposed jamb portions are operatively associated with the lower sash to facilitate securement of the lower sash in a plurality of positions. A balance system is secured within each jamb and is operatively associated with said lower sash. The lower sash may be structured to receive a screen. The sash may be employed alone without the upper fixed lite of glass.

Abstract: An integral energy collector and charging system is provided in windows, associated screens and doors so as to facilitate harvesting of solar energy through solar energy collectors unique distribution channels for employing such energy to charge storage batteries which, in turn, provide energy to power outlets. The power outlets may be accessed in order to charge various types of devices. The system is employable with a wide variety of window and door constructions.

Abstract: A roller shutter for protecting doors and windows during high wind conditions wherein a fenestration frame 18 is secured to the header 10 and sill 12 of the building. A spindle 38 is rotatably mounted in a box 28 and one edge of a fabric sheet 40 is attached to the spindle. When the spindle is rotated, the fabric sheet is coiled or uncoiled around the spindle so that the fabric sheet 40 is extended or retracted across the fenestration member.

Abstract: A frame assembly may be secured within an opening in a structure and is adapted to carry a window assembly therein. The frame assembly may include a pair of spaced vertical rails and a top rail secured to a top end of the vertical rails. A bottom rail may be secured to a bottom end of the vertical rails and the window assembly is removable without damaging the underlying structure.