Check double-pane window seals
Why it matters
Fogged insulated glass units (IGUs) indicate seal failure and lost R-value. Warranty windows for replacement have time limits.
Stop forgetting to do this.
Hearth generates a personalized maintenance schedule so you never miss another check double-pane window seals.
How to do it
- 1
Inspect all double-pane windows from inside the home.
- 2
Look for condensation, fogging, or moisture between the panes.
- 3
Check window frames for date stamps indicating age.
- 4
If fogging is present, test whether it clears when rooms warm up (temporary vs permanent failure).
- 5
Contact manufacturer if seals have failed within warranty period.