Best Replacement Windows of 2025 CR's wind- and rain-resistance tests reveal top performers from American Craftsman, Andersen, Jeld-Wen, Marvin, Pella, Preservation, and Reliabilt ...

After installing each window in a wooden frame, test engineers seal one side before using a specially made device that simulates wind. They raise the airflow velocity to 25 mph and then 50 mph ...

After installing each window in a wooden frame, test engineers seal one side and rig a specially made device that simulates wind. They raise the airflow velocity to 25 mph and then 50 mph and ...

(We will use a standard wooden window frame of 36" by 54”.) Note that the front and back walls will be 1 ¾ inches longer on each end once the side walls are attached.