A properly installed exterior door plays a critical role in your home’s security, energy efficiency, and overall comfort. At NTI Windows & Doors, we provide professional door installation and replacement services for homeowners across Toronto, delivering precision installation, long-term performance, and clean finishing.
Whether you are replacing an aging entry door, upgrading to a more energy-efficient option, or coordinating a window and door replacement project, our team ensures your new door is installed correctly — sealed, aligned, and built to perform in Ontario’s climate.
Trusted by Toronto homeowners for professional door and window installations.
Why Homeowners in Toronto Replace Their Doors
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Drafts or air leaks around the door
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Difficulty opening, closing, or locking
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Poor insulation contributing to higher energy costs
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Aging or damaged doors from previous renovations
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Improving home security and curb appeal
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Preparing for resale or renovation projects
Door replacement is often completed alongside window replacement projects, allowing homeowners to improve insulation, security, and curb appeal in a single coordinated upgrade.
Energy-Efficient & Secure Exterior Door Options
We install a wide range of exterior doors designed for durability, insulation, and security. Our offerings include entry doors, patio doors, and sliding doors available in fiberglass and steel, with ENERGY STAR®–rated options that help reduce heat loss and improve overall efficiency.
For homeowners replacing both windows and doors, energy-efficient upgrades can also support eligibility for government rebate programs such as the Canada Greener Homes initiative.
Professional Installation Makes the Difference
Even the highest-quality door will underperform if it is not installed correctly. At NTI Windows & Doors, our installation-first approach ensures proper fit, alignment, sealing, and secure operation.
Our process includes careful removal of the existing door, preparation of the opening, insulation and air sealing, precise leveling, and clean interior and exterior finishing. This level of detail is what separates professional installers from volume-based door companies.
Door Installation Cost in Toronto
The cost of door installation in Toronto depends on factors such as door type, material, size, configuration, and the installation requirements of your home.
Because every project is different, we provide clear and transparent pricing following a free in-home assessment. This approach helps homeowners understand their options, compare value accurately, and avoid surprises — especially when coordinating window and door replacement projects.
Warranty & Long-Term Support
We stand behind our work with strong warranty coverage on both product and installation. Our doors are backed by manufacturer warranties, and our workmanship is supported should you ever require service after installation.
As a local company serving Toronto homeowners, we remain available long after your project is complete. You will always be dealing directly with our team — not a call centre.
Book a Free Door Installation Estimate
If you are considering a new exterior door for your Toronto home, we invite you to schedule a free, no-obligation in-home consultation. We will assess your existing door, explain your options clearly, and help you make an informed decision without pressure.