Patio Doors Built for Ontario Homes
Modern, durable, and energy-efficient — our patio doors are designed to enhance your living space while delivering exceptional comfort, security, and style year-round.
Whether you're expanding your view, maximizing ventilation, or creating seamless access to your outdoor space, ON Windows has the perfect patio door solution for your home.
100% Canadian Assembled Products
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Installed by Certified Professionals
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Energy Rebate Eligible
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In-Home Consultations Available
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Serving Southern Ontario
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100% Canadian Assembled Products • Installed by Certified Professionals • Energy Rebate Eligible • In-Home Consultations Available • Serving Southern Ontario •
Tilt and Turn Patio Doors
Breathe new life into your home with inward-opening tilt and turn patio doors that offer modern functionality with unmatched performance. These versatile doors tilt inward from the top, allowing fresh air to flow in while stale air escapes — all while staying securely locked. Even during rain, the weather-sealed design keeps water out and comfort in.
Key Features
Dual-action functionality (tilt for ventilation, swing for access)
Superior energy efficiency with multi-layer weather stripping
Inward tilt protects against rain, wind, and drafts
Enhanced home security — cannot be opened from the outside while tilted
Sleek European-inspired design with modern lines
Bifold Patio Doors
Transform your home’s connection to the outdoors with folding patio doors that deliver a clean, panoramic view. Engineered with durable thermal-grade aluminum and expansive glass panels, these folding doors open accordion-style to create an elegant transition between interior and exterior spaces.
Key Features
Space-saving, accordion-style panels maximize indoor/outdoor flow
Thermal aluminum frame supports year-round comfort
Large glass panes bring in natural light and fresh air
Hidden retractable mosquito screen available
Sleek, modern finish with laminated safety glass
Sliding Patio Doors
A classic solution redefined for Ontario homes. Our sliding patio doors glide smoothly on precision rollers, saving space and offering an effortless transition between your home and the outdoors. Designed for longevity and ease of use, each door is custom-built for your space with features that enhance energy efficiency, security, and style.
Key Features
Space-saving design with horizontal movement
Oversized sash frames for a luxurious appearance
Smooth glide operation with soft-touch weather stripping
Multi-point locking system for added security
Available in a wide range of colors and finishes
Optional retractable screen and secondary security locks
Stacking Patio Doors
For those who want a full-wall view and flexible opening options, stacking patio doors are the ultimate upgrade. Built with commercial-grade aluminum and multiple wide glass panels, these doors slide and stack cleanly to one side or split from the center, offering a customizable entrance and expansive, uninterrupted views.
Key Features
Multi-panel design with customizable openings
Panels slide and stack against each other or into concealed wall pockets
Built for large openings — widths up to 24 ft and heights over 95"
Heavy-duty thermal aluminum frame and smooth-glide hardware
Optional pleated retractable screens and upgraded handles
High-performance weather sealing and energy-efficient glass options
Our 3-Step Process Makes It Easy
1.Call to Schedule a Phone Consultation
Our office will qualify your project and explain your options.
2.Free In-Home Assessment
A certified team member will visit your home to take measurements, review styles, and provide a personalized estimate.
3.Hassle-Free Installation
Our skilled installers ensure a clean, efficient setup with full removal of old materials.
You have a 10-day grace period to cancel or make changes.
Ontario's Go-To Window & Door Experts
Locally Owned & Operated
100% Assembled in Ontario
Smart Home Compatible Options
Rebates Available
Premium Products Without Markup
Friendly Service With a Clean Finish
Proudly Serving Southern Ontario
We work where the work makes sense. From Hamilton to Kitchener-Waterloo, and everywhere the leads are strong.
We currently do not service Brampton.
Common service areas:
Hamilton
Guelph
Kitchener
Cambridge
Burlington
Oakville
Niagara Region
Can’t Call Us?
Send us an Email and let us know what you’re looking for and we’ll get back to you within 1-2 business days.