But with a few distinct differences. They open outward from the top, while casement windows open from the side. This top-hinged design offers several advantages. Awning windows provide maximum ventilation and allow natural light to flood your home. They promote excellent airflow and refreshing breezes by opening outward from the top. Additionally, awning windows are tightly sealed when closed, making them very energy-efficient. They feature reliable locking mechanisms, robust construction, and preserve aesthetic appeal while allowing ample natural light into your interiors.