What areas do you serve in Ontario?

We serve Southern Ontario including Toronto, Mississauga, Hamilton, Burlington, Oakville, Niagara Region, and the Greater Toronto Area.

How long does window installation take?

Most residential window installations can be completed in 1-2 days depending on the number of windows and complexity of the project.

Do you offer free quotes?

Yes, we provide free, no-obligation quotes for all window and door installation projects. Contact us to schedule your consultation.

Are your installers licensed and insured?

Yes, all our installers are fully licensed, insured, and experienced professionals with over 15 years of combined expertise.

What types of windows do you install?

We install all types of windows including double-hung, casement, bay, bow, picture, sliding, and awning windows with energy-efficient options.

About Us | Best Windows

35+

Years of Excellence

Our Story

Founded in 1988, Best Windows began with a simple mission: to provide Canadian homeowners with the highest quality window and door installation services at fair prices. What started as a small family business has grown into one of the most trusted names in home improvement across Southern Ontario.

Over the past 35 years as a family owned and run business, we've completed thousands of installations, helping other families transform their homes with energy-efficient windows and beautiful doors. Our success is built on a foundation of quality craftsmanship, honestly integrity, exceptional customer service, and a genuine commitment to improving every home we touch.

Today, we're proud to work with the industry's leading manufacturers, employ a team of skilled professionals, and maintain a 100% customer satisfaction rating. But despite our growth, we've never lost sight of what matters most: treating every customer like family and every home like our own.

At Best Windows, we don't just install windows and doors—we create comfortable, beautiful spaces where families make memories for years to come.

Our Mission & Values

The principles that guide everything we do

Our Mission

To transform Ontario homes with premium windows and doors while delivering exceptional service, quality craftsmanship, honesty and lasting value to every customer.

Our Vision

To be Ontario's most trusted and respected window and door installation company, recognized for innovation, reliability, and customer satisfaction.

Our Promise

We guarantee quality products, expert installation, honest pricing, and service that exceeds expectations. Your satisfaction is our measure of success.

Our Core Values

Integrity

Honest, transparent, and ethical in all our dealings

Quality

Premium Canadian products and superior craftsmanship, every time

Customer Focus

Your needs, satisfaction, and trust are our priority

Innovation

Embracing new technologies and better solutions

Why Homeowners Choose Us

The Best Windows difference that sets us apart

Certified & Licensed Professionals

All our installers are fully certified, licensed, and insured. We follow strict industry standards and best practices to ensure every installation meets or exceeds building codes.

35+ Years of Experience

With over 2,600 successful installations since 1988, we've seen it all. Our experience means we can handle any challenge and deliver perfect results every time.

Manufacturer Partnerships

We partner with Canada's top window and door manufacturers, giving you access to premium products backed by comprehensive warranties and exceptional quality.