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Award-winning Windows & Doors Company in GTA 

  • High Energy Efficiency
  • Fair Pricing
  • Professional Installation

#1 Windows & Doors Company in Toronto

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Up to 30% OFF on Your Window Installation

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Trusted GTA Contractors for Energy-Efficient Window & Door Upgrades

Upgrade your home with award-winning windows and doors contractors in the GTA. We install and replace energy-efficient vinyl windows, fibreglass and steel doors, and patio systems designed to withstand the harsh GTA climate, ensuring safety and comfort.

Transforming GTA Homes with Energy-efficient Doors & Windows

At Polaris, we set the standard for high-performance window and door systems across the GTA. Our products feature Low-E glass, multi-chambered vinyl frames, and argon-filled glazing units engineered to reduce heat transfer and boost R-values. Every installation is completed by certified technicians, ensuring precision sealing, structural integrity, and long-term performance. 

Unlike general contractors, we specialize exclusively in energy-efficient windows and doors, delivering airtight, durable, and architecturally tailored solutions that enhance comfort, lower hydro bills, and withstand Ontario’s toughest weather conditions.

Upgrade Your Home with Expert Window Services in the GTA

Window Installation

We provide professional window installation services in the GTA using advanced tools, precise measurements, and energy-efficient materials. Our team installs Low-E argon-filled glazing units, multi-chambered vinyl frames, and fusion-welded corners that deliver exceptional R-value performance and long-term insulation. Every window is sealed with polyurethane foam and vapor barriers to eliminate air leaks and moisture intrusion. 

As experienced window contractors in the GTA, we ensure superior thermal performance, reduced noise transmission, and weather resistance that outlasts standard installations.

A sleek black modern front door with horizontal panel design, framed by narrow vertical glass sidelights and a rectangular transom window, set against a mixed stone and wood exterior.

Window Replacement

We specialize in window replacement across the GTA, offering durable, high-efficiency solutions that upgrade both comfort and appearance. Our process includes safe removal of old units, structural inspection, and precise fitting of new windows featuring insulated sashes, warm-edge spacers, and compression seals. We use laser alignment for perfect balance and airtight sealing to prevent drafts and condensation. 

Unlike general installers, we focus on maximizing energy performance, structural integrity, and lifespan, ensuring every replacement window enhances efficiency, style, and home value for GTA homeowners.

Premium Door Solutions For Your GTA Homes

Door Installation

We offer expert door installation services in the GTA, combining precision engineering with durable materials to ensure long-term performance and security. Our entry, patio, and storm doors feature multi-point locking systems, insulated cores, and Low-E glass panels for superior energy efficiency. Each frame is laser-aligned and sealed to prevent air leakage and moisture intrusion. 

Unlike general contractors, we specialize in energy-efficient door systems that enhance safety, comfort, and curb appeal while withstanding Ontario’s demanding climate.

Door Replacement

We provide professional door replacement services across the GTA, upgrading outdated or inefficient doors with modern, high-performance models. Our process includes frame assessment, precision fitting, and installation of fiberglass, steel, or vinyl doors equipped with thermal breaks and weather-resistant finishes. Every replacement improves insulation, structural stability, and home security. 

With advanced sealing techniques and expert craftsmanship, we deliver airtight, durable doors that outperform typical replacements, offering lasting protection, style, and energy savings for GTA homeowners.

Explore Our Popular Window Styles For Your GTA Home Styles

Elevate Your Home with Vaughan’s Premier Door Solutions

A white vinyl awning window hinged at the top, featuring a single glass pane that opens outward from the bottom.

Awning Windows

Awning windows are top-hinged and open outward, allowing ventilation even during rainfall. Designed with Low-E glass, insulated chambers, and fusion-welded vinyl frames, they provide exceptional thermal efficiency and weather protection. Ideal for humid summers and cold GTA winters, these windows reduce air leakage and improve interior comfort all year.

A white vinyl casement window with a single clear glass panel, hinged on one side and opened outward like a door.

Casement Windows

Casement windows swing open with a smooth crank system, offering full ventilation and wide, unobstructed views. Their compression seals and multi-point locking hardware create an airtight barrier against drafts and noise. Built with thermally fused vinyl frames and Low-E argon-filled glass, they are perfect for GTA homeowners who value both performance and modern design.

A white single-hung window featuring a lower sash that tilts inward for easy cleaning, paired with a fixed upper sash and clear glass panels for a modern, functional design.

Single Hung Windows

Our single hung windows feature a fixed upper sash and an operable lower sash, combining traditional aesthetics with energy efficiency. Using double-pane insulated glass, fusion-welded joints, and weatherstripped sashes, they prevent heat loss and enhance indoor comfort. They’re a durable, cost-effective option for GTA homes seeking reliable performance and classic design.

A modern white vinyl window featuring two sashes that tilt inward for easy cleaning and maintenance, with clear glass panels and a minimalist frame design.

Double Hung Windows

With two operable sashes that tilt inward, double hung windows provide superior ventilation and easy cleaning. Their multi-chambered frames, Low-E glass, and reinforced corners deliver advanced insulation and soundproofing. Designed for versatility, they suit both heritage and modern GTA homes while meeting high energy-efficiency standards.

A modern white vinyl sliding window featuring two clear glass panels, one fixed and one operable, designed for smooth horizontal opening and closing.

Single Slider Windows

Single slider windows glide horizontally on precision rollers for smooth operation. Engineered with dual-pane glazing and airtight weather seals, they deliver excellent thermal resistance and low maintenance. Perfect for condos or compact spaces across the GTA, they maximize daylight while minimizing heat transfer and condensation.

A white sliding window with two clear glass panels, including an operable right-side panel and an open track section on both sides, designed for smooth horizontal movement and modern ventilation.

Double Slider Windows

Double slider windows offer dual operable sashes for flexible ventilation and easy access. Their fusion-welded vinyl frames, Low-E coated glass, and compression seals ensure high insulation values and noise control. Built to handle Ontario’s diverse weather, they are ideal for energy-conscious GTA homeowners.

A white-framed bay window featuring a large fixed center panel and two operable casement windows on either side, angled outward for added dimension and natural light.

Bay Windows

Bay windows project outward to expand natural light and interior space. Constructed with reinforced structural mullions, argon-filled glass, and insulated seat boards, they improve thermal performance while adding architectural character. These windows create a panoramic view and boost property value across GTA neighborhoods.

A white-framed bow window consisting of five vertical panels, with the outer two panels designed as operable casement windows and the center three as fixed panes, gently curved to extend outward from the wall.

Bow Windows

Bow windows form a gentle curve with multiple glass panels, creating a bright and elegant focal point. With energy-efficient glazing, seamless weatherstripping, and customizable finishes, they combine beauty with performance. Designed for maximum light and minimal heat loss, they enhance both comfort and curb appeal for any GTA home.

Are you Ready to Elevate your Home?

Contact us today to explore our window and door solutions!

Stylish and Strong Doors for Every GTA Home

Sleek black steel entry door featuring four frosted glass panels and a contemporary silver handle, designed for modern curb appeal and privacy.

Steel Doors

Our steel doors combine security, insulation, and style for GTA homeowners. Built with galvanized steel and reinforced cores, they resist warping, rust, and impact. Multi-point locks and thermal breaks improve safety and energy efficiency, providing unmatched durability in every season.

Elegant navy blue front entry door featuring three vertical panel details and a rectangular privacy glass insert with a modern geometric design.

Fiberglass Doors

We install fiberglass doors that deliver strength, insulation, and visual appeal. Designed with impact-resistant skins, insulated foam cores, and weather-sealed edges, they outperform wood and metal alternatives. These doors stay fade-free and energy-efficient, ideal for the GTA’s changing climate.

Sleek black vinyl sliding window with two glass panels and a minimalist handle, ideal for modern home renovations and energy-efficient window replacements.

Patio Doors

Our patio doors feature tempered Low-E glass, insulated frames, and multi-point locking systems for optimal security and performance. With smooth-gliding rollers and tight seals, they provide quiet operation, natural light, and superior energy efficiency, perfect for modern GTA homes.

Retractable screen door kit with black frame – ideal for patio, garden, or entry doors with insect protection and airflow.

Screen Doors

Our screen doors are built for durability and comfort across the GTA. Featuring rust-proof frames, high-visibility mesh, and tight weather seals, they keep bugs out while letting in fresh air. Designed for smooth operation and long-lasting protection throughout spring, summer, and fall.

White double French patio doors with glass panels – energy-efficient entry doors for homes in the Greater Toronto Area.

French Doors

French doors bring sophistication and efficiency to GTA homes. Crafted with insulated glass, reinforced panels, and advanced sealing, they improve natural lighting and airflow while maintaining security and energy performance—ideal for elegant interior or patio access all year round.

Multipoint door locking system with vertical rods and central latch for enhanced door security and weather sealing.

Multipoint Lock System

We offer multipoint lock systems that secure your doors in three places instead of one. Reinforced locking at the top, middle, and bottom increases strength, resists forced entry, and improves airtight sealing—ideal for boosting security and energy performance in GTA households.

White double French doors with full-length glass and colonial grid design, perfect for patio or exterior entryways in Toronto homes.

Garden Doors

Garden doors provide a stylish, swing-open alternative to sliding patio doors. Featuring dual insulated panels, durable hinges, and elegant window inserts, they offer beauty, ventilation, and strong weather performance—perfect for GTA decks, patios, or backyard walkouts.

Black steel security screen door with sunburst design, offering decorative protection and enhanced home security for Toronto entrances.

Storm Doors

Storm doors give your entryway a second layer of protection. Built with durable aluminum, sealed glass inserts, and built-in screens, they defend against wind, rain, and snow while adding ventilation and energy savings—ideal for GTA homes facing tough seasonal conditions.

A double-pane sliding window featuring a symmetrical square grid grille design with horizontal and vertical muntin bars, creating a modern and stylish look.

Advanced Features for Modern GTA Homes

Our windows and doors feature Low-E glass coatings, argon-filled units, and multi-chambered vinyl frames engineered to reduce thermal transfer. Precision sealing and insulated spacers improve R-values, cut hydro bills, and maintain consistent indoor temperatures throughout the GTA’s changing seasons.

We integrate triple-pane glazing and UV-blocking Low-E technology that filters harmful rays while preserving natural daylight. This prevents fading on furniture, floors, and drapery, ensuring long-lasting interior beauty. Ideal for sunny GTA homes seeking both comfort and protection.

Our acoustically engineered windows and doors feature dual- and triple-pane configurations with fusion-welded frames that dampen exterior sound. Designed for high-traffic areas, they create a quieter, more relaxing living environment, perfect for urban neighborhoods across the GTA.

Each system is constructed with reinforced frames, fusion-welded corners, and corrosion-resistant hardware for unmatched strength. Tested to withstand impact, vibration, and pressure, our windows and doors retain their form and performance through GTA’s diverse climate conditions.

Built for Ontario’s toughest weather, our products use advanced sealants, insulated frames, and impact-rated glass to resist air leaks, condensation, and moisture. Whether it’s freezing rain or summer humidity, our installations maintain protection and comfort year-round.

Upgrade to next-generation smart windows and doors with app-connected locks, motion sensors, and automation features. Control your entry points remotely, monitor access, and optimize energy use, bringing modern innovation and peace of mind to GTA homes.

Our windows and doors balance performance and aesthetics with modern profiles, sleek frames, and decorative glass options. Choose from hundreds of finishes and styles that enhance curb appeal while maintaining high energy ratings for both classic and contemporary homes.

We offer custom-built window and door solutions to match any architecture or dimension. From arched frames to oversized patio systems, every product is precision-engineered for a perfect fit. Tailored colours, glass patterns, and trims let you personalize your GTA home with style and efficiency.

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Save BIG With Polaris

With Polaris, you not only receive top-tier window installation services in Toronto, but you also enjoy a generous 30% discount on your window installation

Why Work With Polaris

Why GTA Homeowners Choose Polaris

Our Client Testimonials

See Our Expertise in Action

Energy Efficiency That Pays Off

Our advanced energy-saving technology helps GTA homeowners cut down on utility costs while improving comfort and air quality. Efficient designs mean less wasted energy, smaller carbon footprints, and better year-round temperature control.

Are you Ready to Elevate your Home?

Contact us today to explore our window and door solutions!

A double-pane sliding window featuring a symmetrical square grid grille design with horizontal and vertical muntin bars, creating a modern and stylish look.

Benefits of Choosing New Windows and Doors

Our energy-efficient windows and doors in the GTA use Low-E coatings, argon-filled glazing, and multi-chambered vinyl frames to reduce heat transfer. These features improve R-values, minimize drafts, and lower monthly utility costs while maintaining consistent indoor comfort year-round.

We design and install custom-finished windows and doors that complement your home’s architecture. Choose from decorative glass patterns, trim details, and colour-matched frames that elevate curb appeal and make your property stand out across the GTA.

Our doors and windows feature multi-point locking systems, steel-reinforced frames, and laminated safety glass for superior protection. Built to resist impact and forced entry, they offer peace of mind and long-term security for your family and investment.

Upgrading to modern energy-efficient windows and doors enhances your home’s market appeal and resale value. Buyers in the GTA look for properties with improved insulation, modern aesthetics, and low maintenance, all of which our products deliver.

Our dual-pane and triple-pane glass systems with fusion-welded frames minimize outdoor noise for quieter living. Ideal for busy neighborhoods, they block street sounds and vibration, creating a calm, comfortable interior environment.

Triple-glazed units, compression seals, and insulated spacers ensure maximum thermal efficiency. These features maintain consistent indoor temperatures and prevent condensation, making your home energy-stable throughout GTA’s cold winters and humid summers.

Constructed from weather-resistant vinyl, fiberglass, and powder-coated hardware, our windows and doors resist rust, peeling, and fading. They’re built to withstand Ontario’s climate with minimal upkeep, no repainting, warping, or rotting.

We offer custom window and door configurations in various sizes, finishes, and materials to suit your design vision. From sleek modern profiles to traditional mouldings, each unit is engineered for seamless function and timeless style.

Our products are made with recyclable materials and energy-efficient technologies that help lower your carbon footprint. By choosing sustainable window and door systems, you contribute to a greener, cleaner, and more energy-conscious GTA community.

How We Work; Our Step-by-Step Installation Process

Free Consultation

We assess your home and provide tailored recommendations for window and door upgrades.

Design Customization

Select finishes, glass types, and frame styles that suit your home’s character.

Professional Installation

Our experienced team completes installations with precision, ensuring airtight seals and flawless alignment.

Aftercare & Warranty

We activate your lifetime warranty and provide post-installation support to keep everything in top shape.

Competitive Window Pricing for GTA Homeowners

Window Type Avg. Price Min Avg. Price Max
Bay/Bow $2,400 $5,700
Casement $370 $900
Awning $370 $900
Sliding $250 $750
Single Hung $260 $810

Clear and Honest Door Pricing Across the GTA

Door Type Avg. Price Min Avg. Price Max
Steel Doors $1,425 $4,750
Fiberglass Doors $2,375 $9,500
Storm Doors $855 $1,900
Patio Doors $1,425 $4,750
Garden Doors $3,325 $4,750

Replacement Windows & Doors FAQs

Our windows and doors are engineered for the GTA’s unique climate, featuring Low-E glass, insulated vinyl frames, and weather-resistant seals. As trusted windows and doors contractors in the GTA, we focus on performance, style, and long-term energy efficiency.

Most window and door installations in the GTA are completed in one day, depending on the project size and customization. Our certified technicians ensure precise fitting, airtight sealing, and minimal disruption to your home.

Absolutely. We provide flexible window and door financing in the GTA, including low-interest plans and no-payment promotions, making upgrades affordable without compromising quality.

Yes. We specialize in custom window and door designs. You can choose frame colours, glass types, hardware finishes, and configurations tailored to your GTA home’s architecture.

If you notice drafts, condensation between panes, or difficulty operating windows or doors, it’s time to call our window replacement experts in the GTA. We’ll assess and recommend the best energy-efficient solution.

Yes. Every window and door installation in the GTA includes a comprehensive lifetime warranty on materials and labor, ensuring long-term protection and peace of mind.

Locations Across Ontario

Service Areas

At Polaris Windows and Doors, we proudly serve the Greater Toronto Area with energy-efficient window and door solutions. From Toronto to nearby suburbs, we’re your go-to local experts for boosting comfort, curb appeal, and value.

At Polaris Windows and Doors, we proudly serve the Greater Toronto Area with energy-efficient window and door solutions. From Toronto to nearby suburbs, we’re your go-to local experts for boosting comfort, curb appeal, and value.

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