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The Installer Who Became the Owner
Before I started Perla, I spent years physically installing windows and doors for large companies across the GTA. I was the one on the ladder. I was the one cutting the frame, sealing the edges, making sure it was level and tight. And I saw things that bothered me. Rushed jobs. Gaps left unsealed. Installers told to finish faster so the company could book the next sale. Homeowners paying premium prices for work that would fail in 3 years — and nobody would be accountable. That’s why I started Perla. When you hire me, you’re not getting a salesperson who hands your job to a stranger. You’re getting the owner — someone who has done this with his own hands, who knows every mistake that gets made, and who won’t let it happen on your home. Every window I install, I ask myself one question: would I accept this in my own house? If the answer is no — we fix it before we leave. — Denys Diachenko, Founder & Installer
The PERLA Windows & Doors Difference

Local Accountability
Toronto and GTA window and door installation for homes and businesses by a local team that shows up on time and treats your space with care.

Manufacturer-Direct
Official distributor products only, professionally installed and registered for full manufacturer coverage.

Registered Warranty
Your windows and doors include manufacturer-backed warranties; we register them and support any future claims.

Comfort & Efficiency
Energy-efficient window and door replacements that cut drafts, reduce noise, and help lower utility costs year-round.

Straight-Talk Quotes
Clear, itemized quotes for window installation and door replacement with no hidden extras.

No Rush Craft
Precision installs set square and level, properly shimmed, insulated, and sealed for long-lasting performance.