Toronto · Markham · Vaughan · Mississauga

Better windows. A more comfortable home.

Double- and triple-pane insulated windows for houses across the GTA. From choosing the right windows to careful replacement and installation, we help you make your home feel better in every season.

  • In-home measurement & product selection
  • Double- & triple-pane options
  • Window supply & installation
Illustrative Toronto brick house with modern insulated replacement windows

2 panes

Double-glazed options

3 panes

Triple-glazed options

Supply

Windows sized for your home

Install

Replacement & finishing

Why GTA Glass & Mirror

Comfort starts with the window. And the installation.

A well-chosen window is only part of the job. We plan the fit, insulation, sealing and finishing around your house, so the whole opening is considered.

The right window for each room
Compare glazing, opening styles and frame finishes around how you use your home.
Measured at your home
The opening and existing frame condition guide the window size and installation method.
A clear scope of work
Your quote sets out the product specification, installation work and finishing details.
Care around the opening
Insulation, sealing and trim are part of planning a comfortable, finished replacement.
Illustrative residential window installation in a brick house

How it works

From choosing windows to a finished installation

A simple four-step process, with one point of contact from start to finish.

  1. 01

    Tell us about your home

    Share your city, window count and priorities. Photos of the existing windows are a useful starting point.

  2. 02

    Measure & choose

    We assess the openings and help you compare double- or triple-pane options, styles and finishes.

  3. 03

    Quote & supply

    Review the window specification and installation scope. Product availability and timing are confirmed before ordering.

  4. 04

    Install & finish

    Remove the agreed existing windows, fit and seal the replacements, finish the trim and check operation with you.

Visual ideas

Window inspiration for GTA homes

Explore ideas
Illustrative Toronto brick house with charcoal replacement windows
Brick house window refreshIllustrative concept
Illustrative Canadian living room with white picture and casement windows
A brighter, comfortable living roomIllustrative concept
Illustrative installer fitting a framed residential window into a brick house
Careful replacement installationIllustrative concept

Choosing your windows

A little clarity before you decide

A practical starting point for your home's window upgrade.

01

Double or triple pane?

Start with the complete window's performance rating, your budget and the needs of each room. More panes are one part of the specification.

02

Glass, frame & seals

Low-E glass, insulating gas spaces and the frame all contribute to thermal performance. Installation and air sealing matter too.

03

Comfort through the seasons

Choose windows around winter comfort, summer sun and the way each room opens to fresh air. We can discuss those priorities during measurement.

Service area

Across the Greater Toronto Area

Residential window supply and installation in Toronto, York, Peel, Halton and Durham regions.

  • Toronto
  • North York
  • Scarborough
  • Etobicoke
  • Markham
  • Richmond Hill
  • Vaughan
  • Thornhill
  • Mississauga
  • Brampton
  • Oakville
  • Pickering
  • Ajax
  • Newmarket
  • Aurora
  • Stouffville
Simple map of the GTA with service area highlighted (Toronto, York, Peel, Halton, Durham), muted blue-grey style

FAQ

Common questions

Don’t see your question? Ask us directly.

What is the difference between double- and triple-pane windows?

Double-pane windows have two glass panes and one sealed space; triple-pane windows have three panes and two spaces. Compare the complete window's thermal rating, frame and glazing specification alongside cost and the needs of each room.

What do Low-E glass and argon do?

Low-E coatings help limit heat transfer through the glass. Argon is an insulating gas used between panes. Available coatings, gas fills and performance ratings depend on the selected window model.

Can I buy windows with installation included?

Yes. We offer residential window supply and installation, from individual replacements to whole-house projects. We can also discuss supply-only requirements.

Do I need a full-frame replacement?

That depends on the condition of the existing frame and opening. We assess them during measurement and explain whether a retrofit or full-frame replacement is suitable.

How much will replacement windows cost, and how long will it take?

Size, style, glazing, window count and installation scope all affect price and timing. Your quote confirms product specifications, availability, installation scope and applicable warranty terms before you proceed.

Will new windows eliminate condensation?

Condensation depends on indoor humidity, ventilation, outdoor temperature and window performance. New glazing cannot guarantee condensation-free glass. Moisture between sealed panes should be assessed separately from moisture on the room-side surface.

Ready for a more comfortable home?

Tell us about your house, the windows you want to replace and your priorities. We’ll help you plan the next step.