Effective ventilation around the whole perimeter of the window - can achieve approximately twice the natural ventilation of an equivalent sized top hung window*.This efficient exchange of air can assist with Approved Document F compliance and can enable the AA®720 Parallel Opening Window to meet the ventilation requirements of even the most demanding project. Fresh air is drawn in via the bottom of the window while warm, stale air is expelled via the top of the window creating full circulation of air within the room. Increased air flow around the full perimeter of the window facilitates highly efficient natural ventilation while greatly reducing draughts. The AA®720 Parallel Opening Window is available as a stand alone window system and as an insert into existing Kawneer curtain walling and framing systems allowing complete design freedom.īased on the established Kawneer AA®720 window system, the parallel opening design benefits from the proven thermal performance of the standard AA®720 casement, achieving U-values of 1.2 W/m 2K for a CEN sized window, triple glazed with warm edge spacer, while offering exceptional levels of natural ventilation and air exchange. Click here for further information on the AA®720 Outward Opening Window Systems
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