St. Thomas Window & Door Company
When it comes to upgrading your home’s comfort, energy efficiency, and curb appeal, choosing a trusted St. Thomas window and door provider is essential. Premier North Windows & Doors proudly serves St. Thomas, Ontario, and the surrounding area with high-quality, durable window replacements and door solutions designed for the climate of Southwestern Ontario. Whether you’re planning renovations, window repair, or a complete home improvement project, our experienced team is here to help.
Your Trusted St. Thomas Window Company
As a leading St. Thomas window company, we specialize in professional window installation and replacement windows tailored to local homeowners’ needs. Our extensive lineup of vinyl windows includes casement windows, double hung windows, awning windows, bay windows, bow windows, and custom styles designed to maximize natural light, functionality, and long-term performance.
All of our new windows are ENERGY STAR® certified and engineered for superior insulation. These energy-efficient windows help reduce drafts, maintain indoor comfort, and lower heating and cooling costs year-round. Vinyl remains the best window option for many homeowners due to its low maintenance, moisture resistance, and exceptional durability in Ontario’s changing weather conditions.
Every high-quality window we install is custom-measured to ensure a precise fit, enhancing performance and extending the product’s lifespan. From minor window repair concerns to full window replacements, our team delivers outstanding workmanship on every project.
Professional Window Installation & Craftsmanship
Our experienced team brings expert craftsmanship to every window installation. Proper installation is critical to achieving maximum energy efficiency, and our installers follow best practices to ensure airtight seals, smooth operation, and lasting results. We take pride in our attention to detail and back our work with a comprehensive warranty for added peace of mind.
Whether you’re replacing aging windows or upgrading during major renovations, our goal is to deliver solutions that increase comfort, reduce energy costs, and enhance property value.
Exceptional Door Installation Services in St. Thomas
Premier North Windows & Doors is also a trusted door company offering professional door installation services for homes throughout St. Thomas and Southwestern Ontario. Our selection includes entry doors, patio doors, and storm doors, all designed to improve security, insulation, and curb appeal.
Choose from premium fibreglass or steel entry doors that offer superior strength, durability, and weather resistance. Fibreglass doors are especially popular for their realistic wood appearance, excellent insulation, and low maintenance requirements.
Our stylish patio doors—available in sliding and French styles—are built to enhance indoor-outdoor flow while allowing abundant natural light into your living space. Advanced locking systems and weatherstripping improve safety, energy performance, and overall functionality.
Why Homeowners Choose Premier North Windows & Doors
Homeowners across St. Thomas continue to choose us for our commitment to customer satisfaction, reliable service, and high standards of workmanship. We work exclusively with Canadian manufacturers who understand the unique demands of the Ontario climate, ensuring every product is built to last.
From your free consultation to final installation, our team provides honest guidance, transparent pricing, and dependable support. You’re always welcome to visit our showroom to explore styles, finishes, and hardware options in person.
Enhance Your Home’s Curb Appeal & Performance
Old windows and doors can lead to drafts, condensation, rising energy bills, and reduced comfort. Upgrading to durable, energy-efficient solutions is one of the most impactful home improvement investments you can make. Our window and door solutions are designed to enhance both performance and curb appeal while increasing long-term value.
Get Your Free Quote Today
If you’re considering window installation, door installation, or full home renovations in St. Thomas, Ontario, contact Premier North Windows & Doors today. Schedule your free quote or free consultation, and let our knowledgeable team assess your needs.
Have questions? Visit our FAQ, stop by our showroom, or call our phone number to speak directly with a specialist. Discover why we’re the trusted choice for high-quality windows and doors in St. Thomas and the surrounding area.
Let Premier North Windows & Doors transform your home with confidence, quality, and care.
Frequently Asked Questions About Windows and Doors in St. Thomas
What types of windows do you offer for installation in St. Thomas?
As a trusted window company serving St. Thomas, we offer a wide selection of window styles to suit any home. Our options include casement windows, bay windows, awning windows, double-hung and single-hung windows, picture windows, and custom windows crafted to meet your unique needs.
How long does a typical window installation in St. Thomas take?
The duration of window installation depends on the size and number of windows being replaced. In St. Thomas, most installations can be completed within a few hours to a full day, ensuring minimal disruption to your daily routine.
What types of doors do you provide for installation in St. Thomas?
Our St. Thomas door company specializes in a variety of door types, including French doors, sliding doors, patio doors, fibreglass doors, and decorative glass doors. We customize our options to match your home’s style and your personal preferences.
How do I know if I need to replace my doors?
Signs that it may be time to replace your door include drafts, difficulty opening or closing, visible wear and tear, or increasing energy bills. If you’re unsure, our team can provide a free consultation to assess your door and recommend the best solutions for your St. Thomas home.
Contact Us
155 RIVERGLEN DR. UNIT 1
KESWICK, ON L4P 3M3
482 Queen St
Newmarket, ON L3Y 2H4
Monday – Thursday
9 Am to 4 Pm
Friday – Saturday – Sunday
By Appointment Only
