The Pella 250 Series is part of the Replacement Windows test program at Consumer Reports. In our lab tests, Double-hung window models like the 250 Series are rated on multiple criteria ...

CR's wind- and rain-resistance tests reveal top performers from American Craftsman, Andersen, Jeld-Wen, Marvin, Pella ... wood windows. For our tests, we order 3x5-foot double-hung windows ...

Wind resistance measures each window's ability to prevent drafts with 25 and 50 mph winds and an outdoor temperatures of 0ºF. Wind resistance measures each window"s ability to keep out drafts ...