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 ...

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

Pella Windows feature energy-saving technology like multi-pane glass and low-emissivity (Low-E) glass coatings that can help lower your energy bills. Our between-the-glass blinds offer style ...

Pella Windows offer unique features, including low-emissivity (low-E) glass and multiple panes designed to keep your home comfortable. Our between-the-glass blinds offer style flexibility and ...