Drafty Windows: Causes and Replacement Options

Feeling air movement near a window can be caused by actual air leakage, cold glass creating convective air movement, or gaps around the frame. The repair depends on the source.

Check operable parts first

Worn weatherstripping, misaligned locks, dirty tracks and sash alignment can all affect sealing.

Look beyond the sash

Gaps between the window frame and wall can allow air movement even when the sash itself is working correctly. Interior trim can hide those gaps.

When replacement helps

Replacement may be reasonable when drafts are combined with failing frames, outdated glazing, poor operation, or multiple recurring issues.