Specification Before Sales
Every quote states the glazing package, the U-factor and the installation method per opening. If two quotes look different on price, the specification usually explains why.
[ The Company ]
Window and Door Specialists, and Nothing Else
We supply and install windows and doors across the Greater Toronto Area. That's the whole business. No roofing, no siding, no general contracting.
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4.9 / 5
150+ Google reviews
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Energy Star Zone C
Certified for Climate Zone 6
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In-House Crews
No subcontractors, WSIB insured
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10-Year Labour Warranty
Plus manufacturer warranties
[ Why We Exist ]
Most Window Problems Are Installation Problems
A window's rating sheet describes how the unit performs in a laboratory. What you actually get depends on whether the opening was square, whether the sill was flashed, whether the perimeter was insulated properly, and whether the sash compresses its seal when you turn the lock.
That gap between the rating and the result is the reason we started, and it's why we never subcontract installation. Across the GTA we replace builder-grade and failing windows, fix foggy insulated glass units, and install entry, patio and interior doors, with our own crews on every job.
Toronto sits in Climate Zone 6, which maps to Energy Star Zone C. Every product we quote carries that certification. As an authorized dealer for Schuco, Reynaers and Cortizo we also install European tilt-and-turn and lift-and-slide systems, where triple-pane configurations reach U-factors as low as 0.14 and hardware can be specified to tested RC1 to RC4 break-in resistance classes.
We're an Energy Star Canada Certified Partner, our installations are CSA A440 compliant, and our crews are WSIB insured. Every installation carries a 10-year labour warranty on top of the manufacturer's product warranty.
[ How We Work ]
Four Things We Don't Compromise On
None of these are unusual. They're just uncommon enough in this trade to be worth stating.
One Crew, Start to Finish
We do not subcontract. The crew that removes your old units flashes, insulates, seals and trims the new ones, and they answer to the company that quoted the job.
The Cheaper Answer When It Applies
A foggy window with a sound frame needs a glass unit, not a new window. We say so, in writing, even when the bigger job pays better.
Standards, Not Adjectives
Energy Star Zone C. CSA A440. RC1 to RC4. WSIB insured. Every claim we make points at a standard you can look up rather than a word we chose.
[ Supply Chain ]
Built to Order, Delivered On Schedule
Every unit is manufactured to the measurements we take in your home. Nothing is pulled off a shelf and shimmed to fit. Because units are built to order, delivery timing, not crew availability, usually sets the schedule, particularly on European systems.
We confirm the delivery date in writing before booking installation. That single step is why your home is never opened up waiting on glass, and it's the difference between a two-day project and a two-week one.
- Authorized dealer for Schuco, Reynaers and Cortizo European systems
- In-house installation crews, no subcontractors
- Triple-pane U-factors as low as 0.14 and RC1-RC4 security ratings
[ The People ]
Meet Our Team
The two people you're most likely to deal with on a GTA project.
David Thompson
Lead Window & Door Specialist
David leads installations at Toronto Quality Windows, serving homeowners across the Greater Toronto Area. With over a decade fitting Energy Star Zone C and European tilt-and-turn systems, he specializes in brick-to-brick retrofits and energy-efficient upgrades for Toronto's Climate Zone 6.
- Energy Star Canada Certified Installer
- CSA A440 Compliant Installation
- WSIB Insured
12 years in the trade
Sarah Mitchell
Energy & Rebates Consultant
Sarah guides Toronto Quality Windows customers through energy ratings, U-factors and rebate eligibility across the GTA. She helps homeowners qualify for the Canada Greener Homes Grant and Enbridge HER+ programs while choosing the right Energy Star Zone C systems.
- Energy Star Canada Certified
- NRCan Rebate Program Familiarity
8 years in the trade
- 10+
- Years in the GTA
- 1,500+
- Projects Completed
- 4.9
- Google Rating
- 0.14
- Lowest U-Factor
Windows and doors only
Across 10 municipalities
150+ reviews
Triple-pane European systems
[ Authorized systems & certifications ]
- Schuco Authorized dealer
- Reynaers Authorized dealer
- Cortizo Authorized dealer
- Energy Star Canada Certified partner
- CSA A440 Compliant installation
- WSIB Insured
[ Client Record ]
What GTA Homeowners Say
Rated 4.9 out of 5 across 150+ reviews.
"They replaced every window in our North York home with triple-pane units. The house is noticeably warmer and our heating bill dropped. The in-house crew was tidy and professional."
"We had foggy glass in three windows. Instead of pushing a full replacement, they swapped just the glass units and saved us a lot. Honest and knowledgeable."
"Our new Schuco tilt-and-turn windows are stunning and incredibly solid. The security hardware is next level. Worth every dollar for our Richmond Hill home."
Free in-home consultation across the GTA
Talk to a Window and Door Specialist
Free in-home measurement across the GTA, itemised pricing per opening, and honest advice about whether you need replacement at all.
- 10-year labour warranty
- In-house crews, never subcontractors
- Energy Star Zone C certified