400 Series Specialty Shaped Windows


Available in a variety of shapes and sizes.

400 Series specialty windows are stationary and designed to be used alone to maximize a view or combined with venting windows to create large combinations.

Product view

Explore interior options

Explore Eterior options

Is it right for you?


Fixed window that doesn’t open, and comes in fun shapes.


Wood & vinyl. A vinyl exterior protects from weather while the interior is natural wood. This way you get the look you want without the worry of added maintenance.


7 exterior colors and 3 interior colors plus natural, unfinished pine give you the option of a modern or traditional look.


20 shapes with custom sizing so you can embrace your creativity and embolden your home’s character.


4 different grille patterns with custom options available let you personalize the window to match your home’s character.

Claim to fame

Our best-selling specialty window.*
*2020 Andersen brand survey of U.S. contractors

Choose your profile option


Embrace clean and geometric lines with the contemporary interior profile.


Design for classic character with the traditional interior profile.

Design it to fit your life

Project showcase

Form and function

Different grille patterns can change the look of your windows and give your home a distinct style.

Project video

The Treehouse

Learn how Jim’s dream of building a treehouse in the woods came to be. And how a customized Andersen® E-Series window provided the perfect finishing touch.

A top warranty in the industry

Every 400 Series window and door comes with one of the industry’s best limited warranties. The warranty is even transferable, so it’ll continue to add value if you decide to sell your home.

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400 Series

Product Guide For Professionals

Created for trade professionals, product guides provide high-level overviews of the features and options available with each Andersen® product series.  Additionally, they include detailed information on the construction of each type of 400 Series window and door, along with sizing charts and section details. Product performance data is also included.

Andersen parts & accessories are always available

We're here for you

With the largest service network in the industry, we’re ready if you need us. Call 1 (800) 844-2361