Engineered and installed by TotalSeal for maximum performance and efficiency.
Trusted by thousands of homeowners across Southern Ontario
Features
Engineered for strength, insulation, and precision — built to outperform ordinary vinyl windows.
Behind every TotalSeal™ window is advanced engineering that redefines how vinyl systems perform — stronger, quieter, and more energy-efficient by design.
Products
Three exclusive lines designed for performance, aesthetics, and efficiency.
Proven 3¼” frame depth, ideal for retrofit and replacement projects.
Modern minimalist design with ultra-thin frames and maximum glass.
Why Choose Us
Why homeowners across the GTA choose us for their window and projects? Here are six key reasons:
We make and install our own windows, ensuring top quality without markups.
We use modern technology to improve comfort and performance of every window.
Certified in-house installers guarantee precise fitting and clean, efficient work from start to finish.
Our production and installation teams are always ready to deliver and install your order on time.
We stand behind our products and installation. Any issues are fixed free of charge.
Your local team for window replacement across Toronto and the GTA.
Discuss your project with one of our experts and receive a personalized quote.
Our Service Process
Contact us today for a free, no-obligation consultation and quote. Our team is eager to help you enhance your home’s beauty, comfort, and energy efficiency.
Project Cost Guide
Windows | ||
|---|---|---|
Window Type | Avg. Price Min | Avg. Price Max |
Bay/Bow | $ 2500 | $ 6000 |
Casement | $ 390 | $ 950 |
Awning window | $ 390 | $ 950 |
Sliding window | $ 260 | $ 790 |
Single hung window | $ 270 | $ 850 |
2025-2026
Browse our actual window and door replacement case studies in Mississauga, featuring precise installation costs and in-depth project details. We specialize in fitting energy-saving vinyl windows and premium, long-lasting entry doors across the entire Mississauga region.
Port Credit, Mississauga, Ontario
Structural Window Installation
October, 2025
Our team completed a specialized window installation in the Port Credit neighborhood, which involved creating a precise structural wall cutout to accommodate a new high-performance vinyl replacement window. This architectural modification was designed to maximize natural light entry and enhance the home’s aesthetic appeal while maintaining perfect thermal insulation and weather protection. Completed in 1 day.
$4,800
Streetsville, Mississauga, Ontario
Window Replacement
November, 2025
We visited the Streetsville community to perform a comprehensive energy upgrade, installing 7 custom-built vinyl replacement windows. Equipped with premium insulation packing and heavy-duty weather seals, these new units completely eliminate drafty gaps, stabilize indoor temperatures, and drastically improve overall seasonal climate control. Completed in 1 day.
$7,000
Lorne Park, Mississauga, Ontario
Window Replacement and Exterior Maintenance
October, 2025
Our technicians executed a tailored home renovation in the Lorne Park area, replacing old frames with 3 high-efficiency vinyl replacement windows. Alongside the window installation, the crew performed meticulous cleaning and painting of the exterior railing system, delivering a fully refreshed look combined with superior draft protection and enhanced thermal efficiency. Completed in 1 day.
$12,200
Everything you need to know to start your project.
For homeowners in Mississauga, selecting the right windows and doors is about balancing energy performance, architectural style, and material quality. The process becomes effortless when handled by experienced specialists.
Steps to choose and order installation:
TotalSeal provides custom-manufactured windows and doors engineered for the GTA climate, ensuring a perfect fit, enhanced insulation, and minimal maintenance.
The cost of windows and doors installation in Mississauga depends on materials, glass technology, and installation type. Vinyl frames are the most affordable, while aluminum and fiberglass provide added durability and design flexibility.
Data Table: Average Windows & Doors Installation Costs in Mississauga
Product Type | Average Price (CAD/unit) | Features | Energy Efficiency |
Vinyl Window | $480 – $950 | Multi-chamber insulation, fusion-welded frame | Excellent |
Casement Window | $650 – $950 | Superior sealing, outward opening | Excellent |
Picture Window | $750 – $1,200 | Fixed unit, maximum light and view | Very Good |
Key cost factors:
Every TotalSeal installation is backed by factory-calibrated frames, airtight gaskets, and warm-edge spacers, ensuring optimal energy performance and comfort in every season.
Homeowners across Mississauga trust TotalSeal for engineering precision, certified installation teams, and long-term warranties. Each product is built for Ontario’s diverse climate and designed to meet modern architectural standards.
Comparison Table: TotalSeal vs Other Installers in Mississauga
Feature | TotalSeal Windows & Doors | Typical Contractor |
Frame Construction | Multi-chamber fusion-welded | Standard hollow vinyl |
Sealing System | Hidden compression gaskets | Basic silicone sealing |
Glass Type | Double/Triple Low-E + Argon | Double pane only |
Installation Team | Factory-certified professionals | General subcontractors |
Warranty | 25 years (parts & labor) | 5–10 years limited |
Energy Star® Certification | Yes | Optional |
With TotalSeal, every project in Mississauga combines aesthetic design, airtight performance, and exceptional energy efficiency, ensuring value that lasts for decades.
TotalSeal UltraSlim Series
Revolutionary vinyl windows with sleek aluminum aesthetics. Ultra-slim 2 7/8" profile, advanced multipoint security, and superior energy efficiency for Canadian homes.
Recent projects
Take a look at some of the recent window projects we have completed for homeowners in the Mississauga area.
Installed custom black vinyl window units featuring specialized sound-dampening glass for a superior acoustic barrier.
Executed a complex installation of a custom multi-lite arched bay window unit with durable black architectural frames and integrated grilles.
Upgraded the facade with high-efficiency black window units and advanced acoustic glass for maximum noise reduction. These specialized frames create a superior thermal and sound barrier for the entire home.
Message from Anna Klein,
Chief Operating Officer
Choosing a window manufacturer who also installs makes a difference. Our teams understand how TotalSeal systems perform because we build them here. Triple glazing, warm-edge spacers, and fusion-welded frames aren't just specifications — they're commitments we stand behind across every GTA installation.
Schedule an in-home estimate with one of our experts.
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By submitting this form, you agree to our Terms and Conditions.
By submitting this form, you agree to our Terms and Conditions.
