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 ...

In this article, we’ll show you step by step how to remove the old sash from double-hung windows and mount either a new sash kit or a wood or vinyl replacement insert inside your existing window ...

Two flanking, double-hung windows, also wooden originals ... The two salesmen explained the difference between inserts ...

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 ...