Wind resistance measures each window"s ability to keep out drafts with 25 and 50 mph winds an an outdoor temperatures of 70º F. The Pella 150 Series is part of the Replacement Windows test ...

While this window material is easy on your wallet, you don't have to worry about compromising on quality. Pella's vinyl windows are tested and proven to be resistant to weathering and fading. As a low ...

Get an incense stick and light it. If the smoke goes out horizontally when you hold it next to a window or door, you need upgrades.