system of structural members configured to secure windows and doors within prepared wall openings; air and moisture ventilating structural members; mounting components for securing windows within a wall aperture; a system of structural members configured to secure windows using removable pins and holding elements; a system of structural members configured to secure windows using removable pins and holding elements configured to ventilate interior spaces; hollow window, door frame components configured to ventilate interior spaces; hollow structural members for a wall construction configured to ventilate interior spaces; flexible deployment system for securing windows within prepared window openings; structural building components configured to mount finishing trim; hollow window and door frame components having a power fan and coils and configured to air condition interior spaces; thermally isolating frame members configured to secure structural components within wall openings