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Single Hung Windows
Single hung windows, often referred to as vertical sliders, feature a fixed top sash while the bottom sash slides upward. The bottom sash can tilt inward for easy cleaning, making these windows an excellent choice for tall, narrow openings. They are a classic window style in North America, combining traditional aesthetics with practical functionality.
While they effectively keep out drafts and weather, single hung windows are not as energy-efficient as casement or awning windows. With double-glazed sealed units and smooth vertical operation, they offer durability, ease of use, and a timeless appearance suitable for many home styles.
Key Features and Benefits
- Slides open vertically for easy ventilation
- Bottom sash tilts inward for simple cleaning
- Double-glazed sealed units for energy efficiency
- Durable and low-maintenance
- Classic North American window style
- Ideal for tall, narrow openings
Clear, increased UV protection and tinted privacy glass options are available.
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