Acadian Steel Windows & Doors top-hinged awning steel windows are available singly or as sections in either a vertical or horizontal series. Awnings are designed to provide ventilation while excluding rain. Acadian Steel Windows & Doors awning windows are available with options for automation. Our hopper steel window systems are energy efficient, attractive, innovative and durable. Hopper steel windows tilt open from a bottom hinge rather than by lifting or sliding.