In past posts, we’ve discussed at length the importance of a window’s energy efficiency. One way this is measured is through the window U-factor. Very few homeowners are aware of the U-factor, though it’s an integral part of modern window installation.
What Is a Window U-Factor?
In a nutshell, the U-factor indicates a window’s ability to prevent warm air from escaping the home interior. The U-factor is especially a big deal in the winter. You want to retain as much heat as possible and keep heating costs to a minimum.
If your windows are really out of date, a window replacement with a good U-factor rating can slash energy costs up to 50%. Continue Reading →