Window U-Factor Recommendations Tennessee Climate for Better Performance
What U-Factor Really Tells You About A Window Homeowners usually notice the frame design first, but the performance story starts with U-factor. That number shows how much heat moves through the entire window assembly, and it affects comfort in every season. A lower U-factor signals stronger resistance to heat loss, which is valuable during cold snaps and long cooling seasons alike. A higher U-factor means more heat movement, and that can make rooms feel less stable fr