Windows and Doors Thornton
FREE In-Home Estimate 
(905) 326-3444
Save up to 25% off with our exclusive offer! Call today to schedule your free in-home estimate.
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Are you in need of top-quality windows & doors for your home? Why not go with a company that can provide you with reliable window replacement in Thornton? NorthShield Windows & Doors offers fantastic windows & doors, and superior window replacement. We only supply the finest products made with durable materials so you can be sure the windows & doors you purchase from NorthShield will stand the test of time.
Limited-Time Offer: Get Up to $300 Off Each Window and Up to $500 Off Each Door
ENERGY EFFICIENT
All of the windows and doors we provide are energy rated and will increase the energy efficiency of your home. Some of the features we offer for making your windows energy efficient are low-e coatings and double/triple-pane glass with insulated chambers.
SOLID REPUTATION
We are the number one choice when it comes to window replacement. This is because we supply our customers with high-quality products and outstanding customer service.
LIFETIME WARRANTY
At NorthShield, we always put the customer first. That is why we offer lifetime warranties on all of our windows & doors. It is no wonder why NorthShield has become the company of choice for windows & doors.
FREE IN HOUSE ESTIMATE
If you are thinking of getting new windows or doors, just give us a call. We will visit your home and provide you with a free no-obligation estimate. We will also help you find the perfect windows or doors for your home.
SEE OUR GALLERY
OUR PAST PROJECTS
PROUDLY CANADIAN
FULL-SERVICE WINDOWS REPLACEMENT
We are all about making the installation and replacement process of windows and doors in your home as stress-free as possible. We will make the experience quick and easy so you can get back to your day to day life and start enjoying your new windows and doors.
For all your window replacement needs, call our team in Greater Toronto Area.
A VAST CHOICE OF PRODUCTS
TOP QUALITY VINYL WINDOWS
For those who want a unique look for their home, NorthShield offers a wide array of different customization options and a variety of different models of doors and windows to choose from. Our large selection and multiple customization options make it easy to find products that will tend to your style, home and budget.
NorthShield Windows & Doors has been providing quality products and services for over 15 years. If you need new windows & doors or window replacement, give us a call and we will assist you in all of your window and door needs. To see all we have on offer take a look through our diverse catalogue of fantastic products.
Window frames
25 years warranty.
Window hardware
25 years warranty.
Window glass
25 years warranty.
Window installation
15 years warranty.
Window colour
10 years warranty.
Entry doors frame
10 years warranty.
Easy to use and the most popular window style in Canada.
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Low profile, fixed windows that frame the view perfectly.
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High profile, fixed windows that compliment any configuration.
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Popular in Europe, turn the handle to open multiple ways.
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Opening outwards, these the most popular style for bathrooms.
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Open just the bottom sash for enhanced security.
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Open both top and bottom sashes for excellent ventilation.
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Slide the sash to open just one side for enhanced security.
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Slide both sashes independently to open both sides.
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Stylish and elegant, providing panoramic views.
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Choose any shape window and we will manufacture it!
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Opening inwards, these are the most popular style for basements.
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Choose to slide one sash or open inwards like a casement.
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