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Andersen 400 Series replacement window

About

The Andersen 400 Series is part of the Replacement Window test program at Consumer Reports. In our lab tests, Replacement Window models like the 400 Series are rated on multiple criteria, such as those listed below.

Wind resistance 0 degrees: Wind resistance measures each window's ability to keep out 25 and 50 mph winds at outdoor temperatures of 0ºF.

Wind resistance 70 degrees: Wind resistance measures each window"s ability to keep out 25 and 50 mph winds at outdoor temperatures of 70º F.

Rain resistance: Rain resistance measures their ability to keep out heavy, wind-driven rain.