Transform Your Home with Best Windows & Doors
Expert installation, quality products & exceptional service. Enhance your home's beauty, comfort and energy efficiency.
Why Choose Best Windows?
We're committed to providing exceptional service and quality products that transform your home.
35+ Years Experience
Over 3 decades of expertise in window and door installation, serving thousands of satisfied customers.
Quality Guarantee
We stand behind our work with comprehensive warranties and a commitment to excellence.
Licensed & Insured
Fully licensed, bonded, and insured for your peace of mind and protection.
Customer Satisfaction
100% satisfaction rating with exceptional reviews from our valued customers.
Our Services
Professional installation services tailored to your home's unique needs.
Iron-clad lifetime warranty on all products and workmanship
Window Installation
Custom-manufactured, energy-efficient windows with fusion-welded frames and airtight seals. Multiple styles available including casement, awning, hung, slider, bay, bow, and picture windows.
Custom-Built Quality
To Your Exact Specifications
Door Installation
Premium entry, patio, and French doors built for beauty, security, and energy efficiency. Available in steel, fiberglass, or wood with custom finishes and glass inserts.
Professional Installation
Expert Craftsmanship Guaranteed
Benefits of Choosing Us
Discover the advantages of upgrading your windows and doors with Best Windows.
Energy Efficiency
Reduce your energy bills by up to 30% with our high-performance, energy-efficient windows and doors.
Durability
Premium materials built to last decades, withstanding harsh weather and daily use.
Style Options
Countless styles, colors, and finishes to perfectly match your home's aesthetic.
Professional Installation
Expert installers ensure perfect fit and finish, maximizing product performance.
Lifetime Guarantee
Iron-clad lifetime guarantee on both products and workmanship for complete peace of mind.
Free Consultation
Complimentary in-home consultation to discuss your needs and provide expert recommendations.
Proudly Canadian
All of our products are proudly made in Canada, supporting local manufacturing and ensuring the highest quality standards for our harsh climate.
Direct Savings
We never use commissioned salespeople or subcontractors—our own trained team handles everything, passing the savings directly to you.
About Best Windows
For over 35 years, Best Windows has been the trusted choice for homeowners throughout Canada seeking premium window and door installation services. Our commitment to quality, craftsmanship, and customer satisfaction has made us a leader in the industry.
We believe that your home deserves the best, which is why we partner with top manufacturers and employ skilled professionals who take pride in every installation. From your initial consultation to project completion, we're dedicated to exceeding your expectations.
Recent Projects
Take a look at some of our latest window and door installations throughout Southern Ontario.
Listowel, ON
St. Marys, ON
Kitchener, ON
Stratford, ON
Woodstock, ON
Listowel, ON
Waterloo, ON
Kitchener, ON
London, ON
Shakespeare, ON
Goderich, ON
Tavistock, ON
Mitchell, ON
Ingersoll, ON
St. Marys, ON
Ready to start your own project? Get a free consultation and quote today!
Request Free QuoteOur Service Area
Proudly serving homeowners throughout Southwestern Ontario from our Stratford location
Southwestern Ontario
Stratford • London • Woodstock • St. Marys • Mitchell • Listowel
Cities & Communities We Serve
Stratford
Our home base
London
& surrounding area
Woodstock
& Oxford County
St. Marys
& Perth County
Mitchell
& West Perth
Listowel
& North Perth
Tavistock
& East Zorra
Shakespeare
& surrounding areas
New Hamburg
& Wilmot Township
Ingersoll
& surrounding area
Kitchener
& Waterloo Region
Goderich
& Huron County
Why Choose Local?
- Fast response times - we're in your neighborhood
- Familiar with local building codes and regulations
- Understanding of Southwestern Ontario's climate needs
- Supporting local business and community
Don't see your area listed? We service most of Southern Ontario - give us a call!
(519) 271-6190Serving All of Southern Ontario
While we're based in Stratford, we're happy to travel throughout Southern Ontario for the right project. If your location isn't listed above, don't hesitate to reach out - we may still be able to help or can recommend a trusted partner in your area.
Ready to Transform Your Home?
Get a free, no-obligation quote today and discover how new windows and doors can enhance your home's beauty, comfort, and value.
Get In Touch
Have questions? We're here to help! Reach out to us and we'll respond as soon as possible. If you need a quote fast, simply fill in the form below and we'll get right back to you.
Request a Quick Quote Now
Fill out the form below and we'll get back to you within 24 hours