Inspect double-pane windows for failed seals and condensation
Why it matters
Failed insulated glass unit (IGU) seals allow moisture between panes, eliminating the insulating air gap. This reduces window R-value by 50% or more, increasing heating/cooling costs and reducing warranty eligibility.
Stop forgetting to do this.
Hearth generates a personalized maintenance schedule so you never miss another inspect double-pane windows for failed seals and condensation.
How to do it
- 1
Inspect each double-pane window interior and exterior for fogging or moisture between panes
- 2
Look for persistent white haze or water droplets within the sealed glass unit (not on surface)
- 3
Test window glass for unusual flexibility by gently pressing on panes
- 4
Note window brand, approximate age, and any warranty information if available
- 5
Document affected windows with photos showing interior and exterior views
- 6
Research IGU replacement costs and warranty coverage for failed seals