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Looking for a weathertight window that also allows you to get the most from a nice breeze? Choose a casement window. The casement window's seal meets the sash straight on for a weathertight seal. This is Andersen's most energy-efficient casement window.

A-Series specialty windows are designed to be used alone to maximize a view or combined to create large combinations. Made of wood protected by fiberglass, these are Andersen's best-performing specialty windows.

Hinged on the side, this window opens horizontally allowing for full ventilation from the top to bottom of the window opening. With the sash extended, casement windows can catch the breeze and direct it into the house for better airflow.

Specialty shape windows come in a variety of different configurations with fixed glass to offer a unique look to a home. Add decorative glass for a creative accent.

Perfect choice for top-to-bottom, unobstructed views, and maximum ventilation. Casement windows can be used alone or combined with other styles and shapes.

Casement windows with bulb weatherstripping and seamless frame cover offer long-lasting protection and premium efficiency.

Complete your design with specialty shape windows. Andersen 400-Series specialty windows are available in a wide array of shapes and sizes with options for customization.