Our made-to-order philosophy lets you design the perfect window for your project. Auxiliary windows are available in a wide variety of shapes and sizes - from basic circles to asymmetrical polygons. View shapes.
Our auxiliary windows are available in two profiles to complement our double-hung and casement window details. Choose from our 50 exterior colors, custom colors and 7 anodized finishes to fit your project's needs. Plus, we offer 9 wood species and 11 interior finishes.
Circle-top corner section
Geometric corner section
High-Performance Low-E4® glass
Compared to ordinary dual pane glass, high-performance Low-E4 glass is up to 57% more energy efficient in summer and up to 44% more energy efficient in winter*. Plus, Low-E4 glass has a unique exterior coating, that when activated by sunlight, reduces water spots up to 99%. Learn more.
*Values are based on comparison of E-Series/Eagle® Talon® 3866 double-hung window U-Factor to the U-Factor for clear dual pane glass non-metal frame default values from the 2006, 2009 & 2012 International Energy Conservation Code "Glazed Fenestration" Default Tables.
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