Are restored historic windows energy efficient? In many cases, yes. Before replacing original windows, homeowners should understand how restoration, sash alignment, weatherstripping, and historically accurate storm windows can improve comfort and performance while preserving the character and long-term value of a historic home.

Drafty doesn’t mean doomed. Learn how to weatherproof historic windows using proven techniques like storm windows, weatherstripping, and proper glazing—so you can boost energy efficiency without sacrificing architectural charm or originality.