Andersen testing

Trust is tested

It's not only what our windows and doors are made of, it's also what they've been through. We put them under pressure, run them through heat, then cold, then both at the same time. We even accelerate the weathering process. We test our products through the toughest conditions so you know that if they can stand up to Andersen testing, they can stand the test of time.*

*See the limited warranty for details

Hundreds of tests. One purpose.

Go behind the scenes

Product portfolio

Purposefully engineered windows and doors that deliver enduring quality.

How our windows are tested

Step inside our Research, Development, and Innovation (RD&I) Center with the hosts behind the Modern Craftsman podcast to see how we test to exceed industry standards and push our products to their breaking points.

Tools for any project

Photo of Andersen Windows product guides for 400 series and 100 series

Product guides

Created for trade professionals, product guides provide overviews of the features and options available with each Andersen® product series.
Professional Resources for Architects - Andersen Windows

Architectural tools

Find what you need for Revit, CAD, BIM, CSI and more.
A contractor measures a window while talking with a homeowner.

Sizing resources

View sizing documents and specs or use handy tools like Find My Size or the E-Series sizing calculator.
contractor working on installing andersen window

Installation resources

Selecting the perfect window or door is half the battle. Proper installation is equally important to help ensure our products perform.

Quality and durability FAQs answered