Business Details
44 Years
experience
Expert Replacement Windows and Doors in London, ON
Centennial Windows has been a trusted name in the window and door industry for over four decades. As a Canadian, family-owned and operated business established in 1982 and based in London, Ontario, we pride ourselves on offering comprehensive, end-to-end solutions for replacement windows and doors. Our commitment to excellence is demonstrated by our in-house manufacturing capabilities, which allow us to maintain strict quality control while offering competitive pricing. With over 500,000 installations completed across Ontario, we leverage extensive experience to deliver award-winning, energy-efficient products backed by our lifetime No Fine Print Warranty.Our dedication to energy efficiency is evidenced by our pioneering role in the ENERGY STAR program and numerous accolades from respected industry organizations. We maintain full accountability throughout the process, handling everything from sales to manufacturing to installation and ongoing service. Our team of more than 200 Canadian professionals is committed to community engagement and environmental responsibility, ensuring that every homeowner receives exceptional value and lasting satisfaction with their investment in our products.
Services
Window Replacement
Door Installation
Energy-Efficient Windows
Custom Windows
Entry Door Systems
Details
- Year established: 1982
Highlights and features
- Over 40 years of experience in window and door manufacturing
- ENERGY STAR certified products for superior energy efficiency
- Comprehensive lifetime No Fine Print Warranty
- Full-service in-house manufacturing and installation
- A+ rating with the Better Business Bureau
Associations and certifications
- ENERGY STAR
- Keystone Certifications
- Better Business Bureau
What people say
Quality products
Professional installation
Excellent service
Energy-efficient solutions
Lifetime warranty
Services
Window Replacement
Custom-manufactured vinyl window replacements designed for energy efficiency and durability. Each window features fusion-welded corners, UPVC frames, and argon gas insulation. Available in multiple styles with customizable colors and finishes to match any home's aesthetics while providing significant energy savings.
Door Systems
High-security entry door systems combining strength and aesthetic appeal. Fiberglass and steel options feature polyurethane foam cores for insulation, premium ball-bearing hinges, and weather-stripping systems. Customizable with decorative glass, multiple finishes, and security features to enhance home value and energy efficiency.
Energy-Efficient Solutions
Specialized energy-efficient window and door systems reduce heating and cooling costs through advanced Low-E glass coatings, gas-filled glazing, and thermal break technologies. All products meet ENERGY STAR certification standards and contribute to improved home energy audits while maintaining comfort and durability.
Window Repair
Comprehensive window repair services for existing systems, including seal replacements, hardware upgrades, and condensation remediation. Utilizing industry-standard materials and techniques to restore function and energy performance to like-new condition while extending product lifespan.
Custom Manufacturing
In-house manufacturing of made-to-order windows and doors at our London, Ontario facility. Combines automated precision with manual quality checks to ensure perfect fit and performance. Offers extensive customization options for frames, finishes, and operational features tailored to individual homeowner requirements.
People
George Warren
President and Owner
With over four decades of industry experience, George Warren leads Centennial Windows as President and Owner. Recognized with the prestigious C.P. Loewen Award for lifelong contributions to the window and door industry, he has guided the company's growth while maintaining its family-values tradition.
Questions
What is the difference between triple- and double-pane windows?
Triple-pane windows have three glass layers with low-E coating on surface five, while double-pane has two layers with coating on surface three. Both improve energy efficiency but offer different performance levels.
Can you install egress windows in basements?
Yes, we install egress windows when openings meet size requirements. We do not enlarge foundations. Contact us for professional assessment and recommendations.
Is installation included in window and door pricing?
Yes, our pricing includes professional installation by trained technicians. This approach ensures workmanship quality and enables our lifetime No Fine Print Warranty.
Do you offer energy audit assistance?
While we don't perform energy audits, our products qualify for energy rebate programs that may require audits. We help customers understand certification requirements and product qualifications.
How do I schedule an in-home consultation?
Contact us at 1-800-265-1913 or use our online request form to schedule a consultation. Our specialists will assess your needs and provide personalized recommendations during your appointment.
