Many homeowners focus on window brands and energy ratings, but in Illinois, installation quality matters more than the window itself. Learn why proper flashing, insulation, and air sealing make the real difference in comfort and efficiency.

Learn how a house window’s energy efficiency is measured and how Schaumburg homeowners can improve comfort, reduce drafts, and lower energy bills with the right window system.

Replacement windows staged indoors before installation as part of a window efficiency inspection in an Schaumburg Illinois home