Circle-top corner section

Geometric corner section

Design flexibility
Our auxiliary windows are available in two profiles to complement our double-hung and casement window details. Choose from our 50 Eagle Complimentary Colors™, custom colors and 7 anodized finishes to fit your project's needs. Plus, we offer 9 wood species and 11 interior finishes.

High-Performance™ Low-E4® glass
Compared to ordinary glass, High-Performance Low-E4 glass is 35% more energy efficient in winter and 41% more efficient in summer. Depending on where you live, that can cut your energy bills up to 25%*. Plus, Low-E4 glass has a unique exterior coating, that when activated by sunlight, reduces water spots up to 99%. Learn more>>

*A study of identical homes comparing Low-E to ordinary dual-pane glass showed a 25% savings on cooling bills, 10% on heating. Savings may vary geographically.