Fiberglass Window Options

Andersen® Windows & Doors

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Andersen windows dealer

When it comes to product lines, Andersen® windows and doors offer unprecedented value and customization. Perhaps that’s the reason Andersen® is the largest window and door manufacturer in North America. Andersen® was founded in 1903 and is privately owned. The company is known for its strong history of commitment to its business partners, employees, community, and environmental stewardship.

For Brennan customers, Andersen® offers true variety. Their 100 Series Fibrex Windows and 400 Series Wood Windows deliver cost-efficiency and craftsmanship. The A-Series Fiberglass Clad Windows promise the fine details and accuracy of architectural styling, while the E Series Aluminum Clad Windows offer complete customization in sizing, style, and design — you name it. There’s a reason Andersen® is among the top-selling products for Brennan customers. 

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Andersen A Series Double Hung Windows

Andersen's double-hung windows are designed for architectural authenticity. A-Series double-hung windows have two operating sash allowing for ventilation on the top, bottom, or both.


Andersen A Series Casement Windows

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.


Andersen A Series Specialty Shape Windows

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 our best-performing specialty windows.


Andersen A Series Awning Windows

An innovative combination of solid wood, fiberglass and innovative Fibrex® composite material provides superior strength and stability, making this is our best-performing awning window. With a wide array of style options including factory-finished wood interiors, the A-Series awning window offers architectural authenticity and exceptional energy efficiency.

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