This fall, save up to 30% on your entire project. Ends November 30.
4.9 | 300+ homeowners
Forget rotting frames, foggy glass and broken hardware. Enjoy a more comfortable, energy efficient and secure home from day one.
2,000+
Lifetime Warranty
Homes Upgraded
Units Installed
15,000+
Forget rotting frames, foggy glass and broken hardware. Enjoy a more comfortable, energy efficient and secure home from day one.
4.9 | Rated by 300+ homeowners
Serving Toronto and the GTA
Trusted Across The GTA And Beyond
15,000+
Units Installed
Chosen by homeowners looking for a smoother, more reliable windows and doors Mississauga replacement experience from the first consultation to the final installation.
Installed with precision, quality workmanship and long term performance.
2,000+
Homes Upgraded
Helping families improve comfort, efficiency, and curb appeal.
300+
Verified Reviews
Real feedback from satisfied homeowners across the region.
What Homeowners Say About Working With Us
My experience with Windowsville was fantastic. They were prompt from the start, provided a quick quote, and worked within my budget. Communication was excellent—they provided me with plenty of notice to prepare for the installation. On installation day, their team was efficient, friendly, and treated my home with care. The new windows and front door look great, and I’m extremely happy with both the service and the quality of the products.
Andrea McMillan
North York, ON
Rated by 300+ homeowners like you
Thank you to Windowsville's team for an outstanding job! We couldn't be happier with the windows and sliding glass door that they put for the entire house. They were responsive in communication throughout the process. The 2 gentlemen that came to install everything were very nice and professional. In strongly recommend Windowsville's team for anyone who wants quality product and outstanding customer service. Thank you!
Concord, ON
Yan Krupnik
Naaz Mulji
Windowsville is absolutely amazing. From Arik in sales, Arthur in operations and Milan and Billy in installation. The whole process from transaction to installation was totally seamless. Windowsville is professional and trustworthy. They won't push you to buy. In fact, I waited three months to make my decision to replace all my windows and doors. Great quality and superb installation. Thank you very much for enhancing the look of my house and saving me a lot on my energy bill.
Whitby, ON
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Another Successful Windows Replacement in Mississauga
A full window replacement Mississauga project does more than fix drafts. It changes how your home looks and feels, giving it a fresh and efficient appearance the moment you arrive. Take a look at one of our recent transformations and let our work do the talking.
BEFORE
AFTER
Everything You Need in One Place
Windowsville provide complete window and door replacement solutions for homeowners in Mississauga and the surrounding area. From expert consultation to supplying premium products, professional installation, and ongoing service. Our team handles every part of your project with care and accountability.
We Consult
We Supply
We Install
We Service
Personalized advice and honest recommendations to help you make the right decisions.
High-performance windows and doors built for comfort, durability and long-term value.
Skilled installers who treat your home with care and get the job done right.
We're here when you need us with reliable service and support long after installation.
Our professionals handle everything, you don't lift a finger.
Everyday Window and Door Problems, Solved.
Outside Noise
Drafts & Cold Rooms
Traffic and neighborhood noise disrupt your comfort at home.
Cold air leaks in, making rooms uncomfortable and uneven.
Outdated Windows & Doors
Worn systems and hardware reduce comfort and security.
Foggy Glass & Mold Buildup
Condensation blocks your view and signals failing windows.
Water Leak & Frame Damage
Broken Hardware
Moisture damage weakens the structure around your windows.
Hard to open or broken parts make everyday use a frustration.
Installed by Experts
Clean workmanship and long-lasting solutions you can trust.
Experience The Next-Level Performance
Better at preventing heat from escaping your home during cold weather and keeping that heat out during hot weather.
60%
IMPROVE HOME INSULATION
UP TO
ENHANCE SOUNDPROOFING
50%
UP TO
Effectively blocks out noise from the external environment and provides a quieter and more peaceful indoor environment.
SLASH ENERGY BILLS
25%
UP TO
Reducing energy loss lowers heating and cooling needs, utility bills and reduces environmental impact.
The results depend on multiple factors beyond the qualities of the windows and doors and are not guaranteed to be the same in all circumstances.
Double Pane Window
Triple Pane Window
Double Pane
Triple
Pane
Better insulation for year-round comfort
Reduced outside noise for a quieter home
Lower energy bills with improved efficiency
Less condensation and clearer windows
Reliable performance in Canadian weather
Canadian-built, high-performance windows designed for our climate, built with advanced energy-efficient technology and backed by a transferable lifetime warranty.
How We Bring Better Windows and Doors to Your Home
2. Free Consultation
3. Precision Manufacturing
4. Professional Installation
We visit your home to assess your needs, take precise measurements, and guide you through the best window and door options for your style, comfort, and budget.
Your chosen windows and doors are made to order using high-quality materials and energy-efficient technology to ensure a perfect fit and lasting performance.
Our trained installers remove your old windows and doors, fit the new ones with precision, and insulate every gap for an airtight, energy-efficient seal, ready to perform from day one.
Getting Started is Easy
1. Contact Us
Call or fill out the form to get started. We’ll learn about your project, answer your questions, and schedule your free in-home consultation.
Some of Our Most Popular Window Options
Casement Window
Awning Window
Sliding Window
These most popular windows open from either side outwards and provide the best airflow.
These windows swing out from the top. They are popular for allowing them to stay open during precipitation.
The most practical and affordable windows style that allows the window to open for ventilation from both sides.
These windows slide up and down, allowing airflow from both the top and the bottom.
Hung Window
Bay Window
A combination of three windows that extend out from the main wall. They provide the illusion of a more spacious room.
Bow Window
A combination of four or more windows. Provide a panoramic view while adding an accent to the exterior of the house.
Our entire window line is Energy Star certified and meets the requirements for the Ontario window rebate program.
Some of Our Most Popular Door Options
We supply and install premium steel, fiberglass, and vinyl exterior doors. All made in Canada and built to perform in the Canadian climate.
Steel Door
Fiberglass Door
Engineered for maximum security, energy efficiency, and long-lasting durability with a clean, modern finish.
Delivers the perfect balance of durability, energy efficiency, and authentic wood-grain style with virtually no maintenance.
Creates a seamless transition between indoor comfort and outdoor living while adding style and natural light to your space.
Year-round comfort and effortless access to your outdoor space, all with a clear, unobstructed view of your backyard or patio.
Patio French Door
Patio Sliding Door
Recent Window Replacement Mississauga Projects
Every project is unique, but the outcome is always the same. Homeowners enjoy improved comfort, lower energy costs, and a fresh look that adds lasting value. Explore a few of our recent Mississauga window replacement projects to see the level of detail and care we bring to every home.
Why Homeowners Choose Windowsville
Windows replacement is a major decision, and not every company offers the same quality or service. Take a quick look at how we compare on product, installation, warranty, and customer care so you can choose with confidence.
Yes
Trained, certified installers
Up to 50 ER
Lifetime
Most are completed in one day
Flexible monthly plans
15+ window options
100% lead-free uPVC
Multi-point locking system
3 1/4 and 4 1/2
Windowsville
Other Companies
Not guaranteed
Varies by crew
Industry basic
5-10 years
Often longer and inconsistent
Not always available
5-8 options
Lower grade or mixed
Dual-point or similar
3 1/4 only
Energy Star® Certified
Professional Installation
Energy Rating
Warranty
Project Timelines
Financing
Product Range
Material Quality
Hardware
Frame Size
Energy Star®
Pro Installation
Energy Rating
Warranty
Timelines
Financing
Product Range
Material Quality
Hardware
Frame Size
✅ Certified
✅ Trained crews
✅ Up to 50 ER
✅ Lifetime
✅ Usually one day
✅ Flexible plans
✅ 15+ window options
✅ 100% virgin uPVC
✅ Multi-point system
✅ 3 1/4 and 4 1/2
Flexible Financing Available
Payment plans starting from
$29/month
Simple, flexible options to help make your project more manageable.
Starting from
Frequently Asked Questions
A typical window replacement Mississauga project begins with an in-home assessment, detailed measurements, and custom manufacturing. Most installations are completed in one day, and our team manages everything from preparation to cleanup.
A reliable window company in Mississauga provides certified installers, Energy Star products, transparent pricing, and strong warranties. They guide you through options, explain what to expect, and handle the entire project with professionalism.
Most standard installations are completed in one to two days, depending on the number of openings and product type. Larger or custom projects may take longer, but we always plan to minimize disruption to your home.
Yes, modern windows with triple-pane glass, Low-E coatings, and argon gas significantly reduce heat loss and improve home comfort year-round.
Absolutely. Professional installers use weather-protection techniques to ensure proper installation even in cold Canadian conditions.
Yes. We offer multiple energy-efficient choices for window replacement in Mississauga, including triple-pane upgrades, argon gas fills, and Low-E coatings. These improvements help reduce heat loss, lower energy bills, and improve home comfort.
A Mississauga windows and doors company typically provides installation, replacement, and full-service support for all major window styles and door types. This includes measurement, manufacturing coordination, installation, finishing, and after-service care.
Most windows Toronto installations are completed in a single day. Our installers arrive fully prepared, protect your home, remove the old units, install the new ones with precision, and leave everything clean before they leave.
Before your windows and doors installation, clear the work area, remove blinds or curtains, and provide easy access to each opening. Our team will protect your floors and furniture throughout the process.
Yes. We take care of removing and properly disposing of all old windows and doors, leaving your home clean and ready to enjoy right after installation.
Let's Talk About Your Project
Our team will follow up right away to help you find the perfect solution for your home.
Energy efficient products
Flexible financing options
Lifetime warranty
This season only - save up to 30%
⭐ ⭐ ⭐ ⭐ ⭐ 5.0 | Based on 300+ reviews
Your information is secure and never shared.
Secure and never shared.
© 2026 Windowsville Windows and Doors. All Rights Reserved.
© 2026 Windowsville Windows and Doors.
All Rights Reserved.
9131 Keele Street, Unit 4A-88 Concord, ON, L4K 0G7
Local: (905) 790-0909
