Family-run since 2003 Made in Toronto, serving Ontario

Let’s talk (416) 716-2584
Maximum Quality Mfg. Windows & Doors — illuminated gold storefront sign in Toronto

Manufactured in Toronto · Serving all of Ontario · Est. 2003

Premium windows & doors, made to measure.

We manufacture aluminum and vinyl windows and doors in our Toronto shop — engineered for Canadian weather, installed by our own team.

Free in-home consultation · No obligation · 40-year glass warranty

  • 22+Years of craft
  • 1,500+Projects delivered
  • 40+Window & door styles
  • Family-runSince 2003, Toronto
Glazed window frames in a manufacturing workshop
Why Maximum Quality

Manufactured in-house, down to the millimetre

Every window and door is made in our own Toronto facility — no middlemen, no compromises. We control quality from the first cut to the final inspection.

  • 01 Premium materials, thermally efficient glass
  • 02 Precision manufacturing with advanced equipment
  • 03 Inspections at every step of production
  • 04 Installed by our own trained team
See our process

A closer look at our work

Windows, entrances and large glazed spaces, photographed from inside and out.

Explore the gallery
Stone home with dark framed windows
Stone home with dark framed windows
White arched windows in a bright kitchen
White arched windows in a bright kitchen
Arched windows beside a wooden entrance door
Arched windows beside a wooden entrance door
How it works

From consultation to installation

01

Consult

A free consultation to understand your home, your goals and your budget.

02

Measure & design

Exact measurements and a clear, itemised quote — no surprises.

03

Manufacture

Your windows and doors are built to order in our Toronto facility.

04

Install

Fitted by our own team, inspected together, and covered by warranty.

Reviews

What homeowners say

“The quality is outstanding, and the installation team was professional and efficient.”
Kent PedrochaHomeowner, Etobicoke
“Our new entrance door transformed the look of our house — beautiful and secure.”
William R.Homeowner, North York
“Precision, patience and a finish that still looks flawless years later. Highly recommend.”
George M.Builder, Mississauga

Ready to upgrade your windows?

Get a free, no-obligation quote — backed by a 40-year glass warranty. We serve homeowners and builders across Ontario.

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Product advice, company news and ideas for your Ontario home. Subscribe to updates from Maximum Quality.

Maximum Quality Windows & Doors · 40 Ronson Dr, Unit 101, Toronto, ON M9W 1B3 · [email protected]. Privacy policy

Let’s talk about your project.

Tell us what you need. Our Toronto team serves homeowners and builders across Ontario.

Prefer a conversation? Call (416) 716-2584

A clearer view, in your inbox.

Product advice, company news and ideas for your Ontario home. Subscribe to updates from Maximum Quality.