📞 (647) 518-8830
📞 (647) 518-8830
Save 65–75% versus replacing the entire window. Same clear views, same insulation, a fraction of the cost. Free quote within 24 hours.
Snap a photo of your window, send it over, get a quote in 24 hours.
When the glass fogs up or cracks, the frame is usually still perfectly fine. Replace only what's broken — keep the rest.
These are actual King Glass installations. Same window, same frame — just clear new glass.
Failed seal with heavy condensation — restored to a perfectly clear view.
Hazy double window blocking the backyard view — now crystal clear.
Water streaks and trapped moisture from a broken seal — replaced same-day.
When the seal between your glass panes breaks, it's more than a foggy view. Moisture, cold air, and condensation start working against your home in ways most homeowners don't realize.
Trapped moisture between panes creates the perfect breeding ground for mold spores. Once it spreads to the surrounding frame and drywall, you're looking at remediation costs starting at $500–$3,000+ — far more than replacing the glass.
Wood frames absorb the trapped moisture, leading to rotting, warping, and softening. Vinyl frames develop mineral staining and lose structural integrity. What started as a simple glass replacement project, now becomes a $1,500+ full window replacement.
A failed seal means the insulating argon gas has escaped. Your "double-pane" window is now performing like a single pane — letting heat escape in winter and roll in during summer. Most homeowners see 15–30% higher heating bills from just a few failed units.
Trapped moisture freezes in cold weather, expanding and putting pressure on the seals and frame. This causes more seals to fail, accelerates frame damage, and in extreme cases — cracks the glass itself from internal pressure.
Foggy windows are one of the first things home inspectors flag and buyers notice. Real estate agents commonly require sellers to fix failed seals before listing — at a higher cost than if you'd dealt with them early.
Failed seals don't repair themselves — they get progressively worse. Once condensation appears, the damage cycle accelerates. The longer you wait, the more units fail, and the more expensive the eventual fix.
A failed glass unit costs $200–$500 to replace today. The same problem ignored for a year can lead to $1,500–$5,000+ in mold remediation, frame repair, and lost energy efficiency. Don't wait until it's too late.
Take a photo of your foggy or broken window and text or email it to us with rough measurements. We'll send you an estimate within 24 hours — no appointment needed.
Once you approve the estimate, our technician comes out to take precise measurements. This ensures your new thermal unit fits your existing frame perfectly.
We return with your custom-manufactured glass. Most installs take under an hour per window. We leave your home spotless — just clear views and proper insulation.
We've replaced glass in homes, commercial buildings, hotels, and plazas across the GTA for over 20 years. Old wood frames, vinyl, commercial — we handle it all.
Big jobs, small jobs, tricky old frames — we've seen it all.
Made by a reputable Canadian industry leader with 35+ years of proven excellence.
Under an hour per window, on average. We clean up after ourselves.
Every glass unit we install is covered by a comprehensive 10-year warranty. That's our confidence in the quality — and your peace of mind for years to come.
"We recently had windows replaced by King Glass. The team was so easy to work with, and reasonably priced. A very friendly and professional team. Thank you again, my windows look amazing!"
"We had a fantastic experience with Izzy and King Glass! From the communication through the fair quote and the final clean high-quality installation. We replaced 3 windows all together and we are very happy with the results. Will definitely recommend King Glass to everyone we know."
"Our windows are 25 years old and had broken seals. My neighbour had his glass replaced by King Glass and recommended them. Izzy promptly replied, came by to measure, and provided a quote which was more reasonable than I expected. He and his team were efficient, clean and friendly. I highly recommend King Glass Inc."
From downtown Toronto to Kitchener — and everywhere in between.
Snap a photo, send it our way, get a quote in 24 hours. It really is that simple.
Get My Free Quote → or call/text us at (647) 518-8830