10 Signs Your Windows May Need to Be Replaced

Here are the ten signals worth paying attention to, roughly in order of how urgently they tend to matter:

1. Fogged or hazy glass between the panes — a failed seal, not dirt.
2. Visible rot, warping, or soft frame material — a structural issue, not cosmetic.
3. Persistent drafts along the sash or frame even when fully latched.
4. Windows that won't stay open on their own (a failed balance).
5. Difficulty opening or closing that isn't from paint buildup.
6. Visible daylight around the frame when the window is closed.
7. Condensation on the interior glass regularly, even in normal humidity.
8. Noticeably higher energy bills without another clear cause.
9. Outside noise that seems louder than it should through a closed window.
10. Single-pane glass — a straightforward efficiency case in Indiana's climate regardless of visible condition.

One or two of these in isolation might point to a repair rather than replacement — see our repair vs. replacement guide. Several at once, especially on the same window, is a stronger signal that replacement is the more sensible path.