Double Pane Glass Window Repair May 2026

Have you tried defogging or replaced an IGU yourself? Share your experience in the comments.

| Repair Type | Cost per Window | Lifespan | Energy Efficiency Restored? | | :--- | :--- | :--- | :--- | | Defogging service | $60–$100 | 1–3 years | No (low) | | DIY IGU replacement | $50–$150 (glass only) | 5–15 years | Yes (if sealed correctly) | | Pro IGU replacement | $150–$400 | 10–20 years | Yes | | Full window replacement | $500–$1,200+ | 20–30 years | Yes (plus new frame) | double pane glass window repair

Contrary to popular belief, you generally simply "reseal" a foggy window. Once the desiccant (moisture-absorbing material inside the spacer) is saturated and the seal fails, the unit is compromised. Have you tried defogging or replaced an IGU yourself

But when they fail, they don’t fail like a single sheet of glass. If you see fog, condensation between the panes, or a hazy film, Here’s what you need to know about repairing them. | | :--- | :--- | :--- |