Target's Envirosealed Windows™ made with Comfort Ti-R™ Low E/Argon insulated glass and the Duralite™ warm edge spacer system meet strict Energy Star® criteria for the entire United States! 

With the lowest emmissivity rating ever achieved, Comfort Ti-R™ glass provides exceptional thermal insulation throughout the entire year, whether it's heating or cooling season. And the less Energy your home uses, the more Money you save year 'round!

In addition, all Target vinyl windows utilize Duralite™ perimeter glass spacer, an important component in the growing trend of Energy Conservation and "Green Remodeling". Compared to other spacers, Duralite™ offers the lowest U-value rating and best condensation resistance. A lower U-value translates into greater Energy cost savings for you, and Target windows offer some of the lowest U-values available.   

Simply put, Target's Envirosealed Windows™ with Comfort Ti-R™ Low E/Argon glass, Duralite™ warm edge spacer and thermal vinyl extrusions provide the best value in Energy performance today, even better than the national wood window brands!  And Target's vinyl windows are more affordable to purchase and maintain.