If your windows look foggy, hazy, or have condensation between the panes, you’re not alone. Over time, many homeowners experience foggy glass — but few realize the problem is not the window frame itself. It’s simply a failed seal inside the glass unit.
At Tanic Glass, we specialize in foggy window glass repair and replacement. Instead of replacing the entire window system, we replace just the insulated glass insert — restoring your window’s clarity, insulation, and beauty for a fraction of the cost.
If you’re wondering, “Why do I have foggy glass?” — here’s the answer:
Windows become foggy because the seal between the double-pane glass breaks down over time. This allows moisture and air to seep in between the panes, creating condensation and a cloudy appearance.
Here are the most common causes of foggy or condensated windows:
Age and wear: Seals naturally deteriorate after years of exposure to sunlight, wind, and moisture.
Temperature changes: Constant heating and cooling cause the glass to expand and contract, weakening the seal.
Improper installation: Poorly sealed glass units can fail much sooner than expected.
Water damage or humidity: Excess moisture around the frame accelerates seal failure.
Prolonged Sun Exposure: Excessive sunlight on a specific window can cause the glass seal to deteriorate faster, leading to early failure of the insulated glass unit.
Once the seal fails, you’ll see moisture, fog, or streaking between the panes — a clear sign that your insulated glass unit (IGU) has lost its energy efficiency.
Wherever you are, Tanic Glass is nearby and ready to restore your view.
Most people assume they need to replace the entire window system when this happens — but that’s not true.
At Tanic Glass, our trained technicians can replace just the fogged-up glass insert while keeping your existing frame intact.
This simple solution:
Restores clarity and visibility
Regains energy efficiency and insulation
Saves you hundreds or even thousands of dollars
Avoids unnecessary construction or frame damage
We custom-manufacture every double-pane insulated glass unit to match your current window perfectly — whether it’s vinyl, aluminum, or wood.
When your window seals fail, your home loses insulation, causing drafts and higher energy bills. By replacing just the glass, you restore:
Thermal performance
Comfort in every season
Long-term energy savings
We also offer Low-E and Argon-filled glass options to further boost efficiency and comfort year-round.
Our mobile team serves homeowners and businesses across Oakville, Burlington, Milton, Mississauga, Hamilton, and surrounding areas.
Wherever you are, Tanic Glass is nearby and ready to restore your view.
Foggy or condensated glass
Moisture trapped between panes
Hazy double-pane windows
Failed or broken window seals
Cloudy insulated glass units (IGUs)
Condensation on interior glass surfaces
Replace glass only — no need for full window replacement
Fast turnaround times and custom manufacturing
Energy-efficient upgrades available
Professional installation by experienced technicians
5-year condensation warranty
When your windows fog up, don’t replace the entire frame. Replace the glass — and save.
Tanic proudly serves all major cities across the GTA, including:
Can you repair foggy windows?
Yes! If you see condensation or fogging between panes, it usually means a seal failure. We can replace the thermal unit instead of the entire window frame, saving you money.
How long does glass replacement take?
Most window glass replacements can be completed within a few hours, depending on the size and type of glass.
Do you offer emergency glass repair?
Absolutely. We provide 24/7 emergency glass repair and board-up services to keep your property secure.
Will new glass improve energy efficiency?
Yes! Our Low-E and Argon-filled double/triple-pane glass significantly reduces heat loss and energy bills.
Do you handle commercial glass repairs?
Yes, we handle storefront glass, office windows, and other commercial properties.
Don’t let broken or foggy windows affect your comfort and security. Call us now for a free quote or schedule an appointment online for professional window glass repair and replacement services you can trust.