Doors and Windows Replacement
AZTech’s certified doors and windows installation services across the GTA.
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(888) 680-5999
Order A Door System And Get Free Upgrades (Up To $500 Value):
- Anti-breakage Glass Lamination
- A High Security Adjustable Striker Plate And Frame Reinforcement

Doors
We offer a comprehensive range of exterior door styles, materials, and features to elevate the aesthetics and security of any residential home.

Windows
Our outstanding windows selection ensures you will find the perfect windows to enhance your space with both beauty and functionality.

Patio doors
Check out our impressive selection of sliding patio doors to help you create the perfect gateway between indoor and outdoor spaces.
About AZTech Doors & Windows
AZTech Doors & Windows is a leading local windows and doors company in the Greater Toronto and Golden Horseshoe Region. We are a Canadian business, family-owned and managed, with more than 25 years of experience. We focus on replacing windows and doors, providing high-quality, cost-effective products that are custom-made to guarantee an ideal fit for any new build or remodeling task.
Our portfolio features stunning windows and doors that cater to an extensive variety of budgets, technical requirements, and design preferences. As a reliable Canadian window and door supplier, we offer high-quality products along with replacement services, with a strong focus on energy efficiency and excellence in all our installations.

Energy Efficient

Superior Quality

Custom Service
We customize window and door replacement to suit your needs.

Expert Installation
Our Products Surpass Industry Standards
Choose AZTech Doors & Windows
Our exterior doors and windows meet the requirements for ENERGY STAR®. Installing them may decrease your energy costs by up to 40%.

Project timelines
Project timelines vary by season, job size and complexity. Simple jobs involving standard items can be ordered online and completed within 3-4 weeks of the order date. Larger jobs involving several doors and/or custom shaped windows usually get completed within 5-6 weeks, however we make every effort to meet your project deadlines.
Larger jobs usually involve 5 steps:

Consultaion And Quote

Placing The Order

Our specialist visits to take exact measurements for production purposes

Manufacturing

Delivery and installation
Warranty
Limited Lifetime Warranty, Non-prorated, Transferrable Key Warranty Features
When it comes to keeping your home secure and comfortable, the importance of high-quality doors and windows cannot be overstated. That's why it's crucial to invest in products that come with a Limited Lifetime Warranty.

Energy Star Windows
Reduce energy consumption with ENERGY STAR® certified windows in Canada. AZTech windows are ENERGY STAR certified and approximately 20-50% more energy-efficient than most windows manufactured before 2005. In addition, our double-glazed windows and doors meet the requirements for ENERGY STAR, covering all of Ontario.
To guarantee superior installation, we are honored to be active members of SAWDAC in good standing. Our technicians have successfully completed SAWDAC’s certification course and undergo comprehensive on-the-job training before progressing to team leader positions, ensuring reliable service you can depend on.
Many of our window and door products are recognized as ENERGY STAR Most Efficient. The higher the ENERGY STAR rating, the more energy-efficient the doors and windows are. For homeowners, a higher rating means better insulation and considerable savings on heating and cooling expenses throughout the year.
However, poorly installed windows and doors will not perform effectively. That is why it is important to choose a reliable installation contractor like us, AZTech Doors & Windows, serving the Greater Toronto Area. We install windows properly to ensure your energy-efficient windows truly work for you.
We are proud of our professional reputation of trusted windows and doors supplier and installation service provider throughout Vaughan, Burlington, and the Greater Toronto Area, and look forward to proving it to you.

Our Window and Door Blogs
Modern Exterior Doors For Home Protection – Strong Safety Doors
Weather in Canada isn't just unpredictable, it is always extreme and highly deceptive. One day it’s calm and sunny, and the next, you’re battling high winds, snowdrifts, or pouring rain. If your home’s front door is exposed to the elements, it’s not just getting wet -...
How To Use The Windows Calculator – Cost Estimates
Let’s go through the steps when using our Windows Calculator.Step 1 – go to our Windows Calculator. You’ll see that there are a number of rows and columns on our Windows Calculator. The rows represent each window with unique parameters; the columns have fields for...
Top 6 Replacement Window Shopping Mistakes
Buying replacement windows is an investment decision that is supposed to bring you more comfort, enjoyment of your home, a reduction in your energy bills, and an increase in your property’s value. As with any investment, it is important to buy something practical,...