Business Details
Trusted Replacement Windows and Doors in London, ON
Centennial Windows & Doors is a Canadian, family-owned and operated business with over 43 years of experience in manufacturing and installing high-quality, energy-efficient windows and doors. Since our establishment, we have completed over 500,000 installations across Southern Ontario, earning recognition as a leader in energy efficiency and innovation. We are proud to be the first window manufacturer in Canada to qualify for Natural Resources Canada's ENERGY STAR program and have received numerous accolades, including the 2019 ENERGY STAR Manufacturer of the Year award.Our commitment to excellence is reflected in our end-to-end solutions, which include custom manufacturing, professional installation, and comprehensive service, all backed by our lifetime No Fine Print Warranty. With a Better Business Bureau A+ rating and a dedication to ethical business practices, we prioritize customer satisfaction and community engagement. Our team of over 200 Canadian experts ensures that every project meets the highest standards of quality and reliability, making us a trusted choice for homeowners seeking durable, energy-efficient solutions.
Services
Replacement Windows
Entry Doors
Energy Efficiency Solutions
Custom Manufacturing
Installation Services
Highlights and features
- We have over 40 years of experience in energy-efficient window and door manufacturing.
- Our products are ENERGY STAR certified and backed by a lifetime No Fine Print Warranty.
- We offer end-to-end solutions including manufacturing, installation, and service.
- We hold an A+ rating with the Better Business Bureau for ethical business practices.
- Our commitment to energy efficiency has earned us multiple industry awards.
Associations and certifications
- ENERGY STAR
- Keystone Certifications
- Better Business Bureau (BBB)
What people say
Professional installation
Energy savings
Durable products
Excellent warranty
Prompt service
Services
Replacement Windows
Our high-quality vinyl replacement windows are ENERGY STAR certified and designed for durability and energy efficiency. Available in multiple styles, colors, and configurations, they are custom-manufactured to fit your home. Backed by a lifetime warranty, our windows reduce energy costs and enhance home comfort.
Entry Doors
Custom fiberglass or steel entry doors combine security, energy efficiency, and aesthetic appeal. Our doors are ENERGY STAR certified and fully customizable with decorative options. The No Fine Print Warranty ensures long-term reliability and customer satisfaction for residential properties.
Energy Efficiency Solutions
We specialize in energy-efficient windows and doors that lower heating and cooling costs. Our products meet ENERGY STAR and Keystone certification standards, helping homeowners reduce their carbon footprint while improving home comfort and value through advanced insulation and design.
Custom Manufacturing
All products are custom-manufactured in Canada to precise specifications. Our in-house production ensures quality control from design to installation, offering tailored solutions for unique architectural styles and homeowner preferences without compromising on performance or durability.
Installation Services
Our trained technicians provide end-to-end installation services for windows and doors, included in the product price. This ensures proper fitting, optimal performance, and compliance with warranty terms, all while maintaining a clean, efficient process with minimal disruption to homeowners.
People
George Warren
President and Owner
With over 40 years in the industry, George Warren leads Centennial Windows & Doors as President and Owner. He received the C.P. Loewen Award for lifetime contributions to the window and door industry, driving innovation and quality since the company's founding.
Questions
What is the difference between triple- and double-pane windows?
Double-pane windows have two glass panes, while triple-pane windows have three. Both use low-e coatings and inert gases like argon for improved insulation and energy efficiency.
Can you install egress windows in basements?
Yes, we install egress windows if the existing opening meets size requirements. If not, you may need to enlarge the foundation opening before installation.
What happens during an in-home consultation?
Our consultants assess your needs, discuss customization options, and provide accurate pricing based on your home's specifications and project requirements.
Do you offer commercial window and door solutions?
Currently, we specialize in residential applications only. Our products and services are designed for homeowners, not commercial buildings.
How do I know if you service my area?
We serve much of Southern Ontario. Contact us directly to confirm availability in your specific location.
What is an energy audit?
An energy audit assesses your home's energy use and identifies improvements to increase efficiency, such as upgrading windows and doors.
