
WINDOWS & DOORS INSTALLATION
Our Canadian manufactured lifetime vinyl windows, provide triple pane performance in a double pane system that exceeds the Energy Star 2020 requirements for all Canadian homes.
Your windows and doors play a crucial role in maintaining your home's comfort, security, and energy efficiency. They promote cross-ventilation, allow natural light to flood your house, and provide a barrier against the elements. However, like all components of your home, they are not designed to last forever and should be replaced before they fail. With our professional window installation, you can ensure your home remains well-protected, energy-efficient, and visually appealing.
Let McLellan Contracting Give Your Home a Facelift with New Windows and Doors
Whether you are looking to install windows in your home or replace old doors, McLellan Contracting has you covered. With three decades of experience, we deal with a Window Wise Certified manufacturer. As a trusted window and door contractor, our installation experts are trained by SAWDAC and use proven techniques to ensure your windows and doors perform flawlessly and last longe
OUR PRODUCTS ARE A CUT ABOVE THE REST
We stock top-of-the-line products from leading manufacturers. Our professional window installation ensures that your windows and doors utilize state-of-the-art technology, featuring:
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Vertex3 High-Performance Window Technology:
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Evolv Glass: Outperforms the industry average by 29% in energy efficiency.
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Patented EC Tech Coating: Prevents unsightly stains to keep windows cleaner longer.
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Owens Corning Weather Stripping: Reduces drafts by 24%, helping to keep your home warmer in winter.
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Energy Star 2020 Windows: Designed to provide superior insulation and energy savings. Our windows qualify for rebate programs.
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High-Quality Doors: Including patio doors, custom entry doors, and storm doors that enhance your home's aesthetic and security.


WE OFFER VALUE FOR MONEY
While our products may cost more upfront than run-of-the-mill products on the market, they significantly enhance your home's energy efficiency, leading to long-term savings. As one of the leading window and door installation company, our team is adept at installing windows, siding, and doors to create a resilient building envelope.
Over the years, we have built strong partnerships with leading manufacturers, enabling us to procure quality products at lower prices and offer attractive discounts on bulk orders.
Our Professionalism Sets Us Apart
Unlike many window installation services that see their customers as quick cash, McLellan Contracting goes the extra mile to build strong customer relationships. We offer many complementary services and will discuss and design the best process to complete projects in a proper and cost-efficient way. Our team realizes the importance of communication and keeps our customers posted with developments relevant to their situation.
We stand by our work and offer comprehensive workmanship warranties. Our installation experts have gone through rigorous training and are equipped to manage window and door installation challenges and complexities. We carry Workers' Compensation, ensuring our customers are not held liable for damages if an installation crew member suffers an accident and gets injured while installing windows or doors in their home.
We stay on top of industry trends and developments. Our professional window installation experts are always eager to learn about new, emerging technologies and installation tools. They leverage their extensive knowledge of emerging trends and technologies to create value for our customers.
Meticulous Planning
Installing windows and doors can be complex, and even minor mistakes can impact their performance, reliability, and lifespan. Before starting a project, we develop a detailed installation plan to manage potential challenges and ensure a smooth process. Effective planning helps prevent unpleasant surprises and costly errors.
Experience and Expertise You Can Trust
Since 1995, McLellan Contracting has been a trusted name in exterior renovations. As a reputable window and door contractor, we’ve kept the same phone number since 1997, standing behind our work and ensuring our clients receive the highest quality service. We emphasize the importance of certifications, training, and insurance to ensure a professional job and protect our clients.
Special Offers
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Free quote and consultation
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Volume discounts for multiple projects on the same property
To schedule a window or door installation, call our office today.
Frequently Asked Questions
WINDOW INSTALLATION
McLellan Contracting is a Window Wise Certified Company. As a trusted window and door installation company, our installers receive standardized training through SAWDAC (Siding, Aluminum, Window, Door Accredited Contractor) for standardized installation procedures. This ensures that only professional installation techniques are used, resulting in a lifetime of carefree performance.
Our teams take pride not only in their workmanship but their professionalism and the customers overall experience in the renovation process.
Vertex3 High-Performance Window Technology
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evolv glass outperforms the industry average by 29% in energy efficiency. Triple-pane performance with double-pane glass. significantly exceeds Energy Star standards reducing energy costs.
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Patented EC Tech Coating keeps windows cleaner longer with 99% fewer spots and superior clarity. This means no more getting up on ladders to clean your windows!
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Owens Corning Weather Stripping cuts drafts by up to 24% with a mould resistant seal that does not discolour over time.

KP WINDOW CASEMENT
Click Images to View Farley Casement Colours

















DOOR INSTALLATION
Your front door is the last thing you see when you leave your home and the first thing you see when you arrive – give it a great lasting impression. McLellan Contracting offers a variety of beautiful door designs that out perform any builder grade door. They not only add to the curb appeal of your home but also to your homes security and energy efficiency.
McLellan Contracting also offers a full line of Patio Doors, Storm Doors & Porch Enclosures.