Patio Door Installation & Replacement in GTA – Custom, High-quality Solutions
Patio Door Installation & Replacement in GTA – Custom, High-quality Solutions
Upgrade your home with custom patio door installation and replacement in the GTA. Featuring ENERGY STAR® certified performance, Low-E glass, and fusion-welded frames, our doors are made for Ontario’s climate to maximize comfort, security, and energy efficiency all year long.
Upgrade Your GTA Home With Our High-Performance Patio Doors
Our patio door systems are engineered for Ontario homes, combining performance, durability, and precision-fit installation. We use ENERGY STAR® rated Low-E glass, argon gas-filled units, and multi-chamber vinyl or fibreglass frames that reduce heat transfer, eliminate drafts, and improve thermal insulation.
Whether it’s a sliding glass door installation or patio screen door replacement, every unit is built to handle GTA weather extremes. With secure multi-point locking systems and smooth-glide hardware, we deliver long-lasting protection, comfort, and efficiency, better built, better installed.

Discover Our Full Range of Patio Doors in the GTA
Choose from high-performance patio door styles engineered for Ontario homes. From smooth-sliding to elegant French doors, our patio door styles include:
Patio Door Installation & Replacement Services We Provide in GTA
We offer complete patio door solutions across the GTA, from new installations to precision retrofits, using energy-efficient materials, expert fitting, and local building code compliance. Our full range of services includes:
New Patio Door Installation
Planning a home addition or building from the ground up? We provide new patio door installations with custom framing, flashing, and sealed units that exceed Ontario energy efficiency standards. Perfect fit, clean finish, and performance that holds up in every season.
Patio Door Replacement
Upgrade old, drafty, or damaged patio doors with high-efficiency replacements. Our team removes the existing frame, repairs structural gaps, and installs Low-E, argon-insulated units with multi-point locks and precision-sealed thresholds, all done quickly and professionally.
Patio Screen Door Replacement
Replace worn or damaged screens with durable mesh systems and smooth-glide tracks that fit securely into your existing door frame. Available in standard and retractable options, our screen doors improve airflow while keeping insects out, with no squeaks, sticking, or rattles.
Patio Door Cost & Pricing in GTA
Pricing depends on the door type, size, frame material, and glass configuration. We offer free estimates, transparent quotes, and flexible financing plans. With options for every budget, you’ll get high-quality results without unexpected costs.
Custom Sizing & Retrofits
Have a non-standard opening or need to replace doors in an older home? We specialize in custom sizing and structural retrofits using measured-to-fit frames, insulated jambs, and weather-resistant sill extensions. No gaps, no drafts, just a perfect fit that lasts.
Key Features of Our Modern Patio Door Systems
Built for performance, security, and long-term value, our patio door systems combine high-efficiency glazing, premium hardware, and durable materials designed for Canadian homes. Here’s what makes our doors stand out:

Why Patio Doors Are a Smart Upgrade for Your GTA Home
Modern patio doors do more than look good; they improve energy performance, enhance indoor comfort, and deliver long-term value for homes across the GTA. Here’s why you should choose a patio door for your residence:
Our doors are built with Low-E coatings, argon gas fills, and multi-chambered insulated frames to reduce thermal transfer and eliminate cold spots. This helps lower heating and cooling costs while keeping indoor temperatures consistent in every season.
High-visibility glass panels allow maximum daylight entry and expansive views of your backyard or patio. Modern glazing technology filters UV rays, so you enjoy more light without the added heat or damage to furniture and flooring.
Sliding patio doors are ideal for tight spaces, offering smooth operation without requiring swing clearance. For larger openings or a more traditional look, hinged French doors deliver a classic, elegant appearance without sacrificing performance.
Patio screen doors allow you to let in fresh air while keeping pests out. Our screen systems use tight-seal frames, durable mesh, and glide tracks that won’t warp or jam, ideal for natural ventilation in spring and fall without relying on HVAC.
Built-in multi-point locking systems, impact-resistant glass, and reinforced frames increase security at one of your home’s most vulnerable access points. Enjoy peace of mind knowing your patio door protects against forced entry and tampering.
Tested to withstand Ontario’s extreme temperatures, our patio doors feature weather-stripped thresholds, frost-resistant frames, and sealed glazing that prevent warping, cracking, and air infiltration, year after year, no matter the season.
A high-quality patio door boosts property value, enhances exterior aesthetics, and improves market appeal. With customizable finishes and modern energy-saving features, it’s a smart investment that pays off in comfort and resale potential.
Why GTA Homeowners Choose Polaris Windows for Patio Doors
With a reputation built on quality, trust, and expert craftsmanship, we deliver reliable patio door solutions that are made for GTA homes and weather conditions. Here are all the reasons to choose us: