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Free in-home estimates across Montreal · ENERGY STAR® windows and doors installed by our own crews
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Installation hub

Montreal window installation — measured, sealed, warrantied

Vinyl, fiberglass and wood windows in every style — casement, double-hung, bay and bow — sized to your exact openings and fitted with a full spray-foam air-seal for Montreal winters. We cap the exterior in colour-matched aluminum, haul the old sashes away, and register a written frame-and-glass warranty the same day.

  • Every opening measured on-site
  • Full air-seal on every unit
  • Written frame + sealed-glass warranty

On-site measured

Montreal window installation that seals out the draft

A window that leaks air was measured or installed wrong — full stop. In Montreal we measure every opening ourselves, never off a builder's sheet, and set each unit plumb, level and square before a single fastener goes in. Every gap then gets backer rod and low-expansion foam, so the frame stays airtight in the deep cold — no drafts pooling at the sill, no January callback, no daylight showing through the trim.

We install vinyl windows, fiberglass windows and wood windows in every style, from casement and double-hung to bay and bow. Each unit is matched to the opening and the wall it sits in — an exposed west side gets a different Low-E and argon glass package than a sheltered east bedroom.

Before you commit, the written quote lists the exact window line, the glass package and the U-factor on one page, along with tear-out, haul-away and the written frame-and-glass warranty. No allowances, no supply-extra surprises on install day — the number you approve is the number you pay.

Recent install
New vinyl window installation in a home in Montreal
Montreal installer air-sealing a window frame with low-expansion foam

How it works

From free measure to sealed install — four steps

  1. Book the estimate

    Call, text or use the form. We book a free in-home visit — no obligation, no high-pressure sales table.

  2. On-site measure

    We measure every opening, check the frames and sills for rot or water damage, and walk through material, style and glass options in plain language.

  3. Written quote

    Line-item quote with the window line, glass package, U-factor, warranty and haul-away on one page. Financing attached when you want it.

  4. Install, cleanly

    Drop cloths, boot covers and a full air-seal on every unit. Old windows hauled away and a walkthrough of your new windows plus warranty registration.

Installation services

Casement, double-hung, bay & bow — every style

Choose vinyl, fiberglass or wood windows by material or by style — all measured, air-sealed and installed by our own Montreal crews.

Get a Free Estimate

Common questions

Montreal window installation — cost, glass, timing, warranty

Cost, materials, glass and timing for Montreal window installation.

A standard-size vinyl window supplied and installed in Montreal runs roughly $650–$1,200, depending on the style, the size and the glass package you choose. Casement, awning and bay/bow units and triple-pane ENERGY STAR® glass sit at the top of that range; a simple double-hung or slider in a sound frame sits at the bottom. A whole-home project of 8–12 windows typically lands between $8,000 and $18,000 installed. Those are planning ranges — the firm number comes in a written quote after a free in-home measure, and it already includes tear-out, haul-away and the written warranty.
Vinyl is the most popular choice in Montreal for its efficiency, low maintenance and price — it never needs painting and shrugs off our humidity swings. Fiberglass costs more but is stronger and more dimensionally stable, so its slimmer frames hold their shape through deep winter cold and summer heat without warping or seal stress, which matters most on large or west-facing units. Wood suits character and heritage homes where the interior look matters, and we clad the exterior so you get the warmth inside without the outside maintenance. We lay out the trade-offs, U-factors and prices side by side at the estimate so the choice is yours, not ours.
Yes — we install through the Montreal winter. Our crews work one window at a time, so each opening is exposed for only a short stretch, usually under an hour, and the house never loses much heat. Every unit is fully air-sealed with backer rod and low-expansion foam rated for cold-weather application, then trimmed inside and out, and we never leave an opening open overnight. Winter slots are also often easier to book than the spring rush, and the finished seal is identical to a summer install.
Yes — removal and disposal of your old windows is included in the quote, not billed as an extra. We pull the old units, haul them away, and clean up as we go, so you are not left with a pile of glass and frames in the yard. Drop cloths and boot covers go down inside, and we finish with a walkthrough of your new windows and register the warranty for you before we leave.
Both — the same crews install windows in every style plus entry, patio and other doors, so it is one company and one warranty.

Real Montreal reviews

What Montreal homeowners say after install day

★★★★★ 4.9 · 118 reviews on Google
★★★★★

Booked a full-home window install and the crew hit every date they promised. Clean site each night and the house feels tighter already.

T. Wall
Homeowner, Montreal
★★★★★

Got quotes from three companies — these folks measured the most carefully and the written price never moved. Windows went in straight and solid.

K. Funk
Homeowner, Laval
★★★★★

The installers foam-sealed every opening and cleaned up like they were never here. No drafts even on the coldest nights this year.

L. Doerksen
Homeowner, Longueuil
★★★★★

Casements in the living room, sliders in the bedrooms — a nice mix of styles all keyed to one warranty. Very happy with the work.

G. Rempel
Homeowner, Gatineau

From the blog

Montreal window guides

All posts
Montreal homeowner comparing window options Buying Guide

July 30, 2026 8 min read

How to Choose the Right Windows for Your Montreal Home

Material, style, glass and full-frame vs retrofit — a plain-language guide to picking windows that perform through Montreal winters.

Read article

Ready when you are

Book your Montreal window installation — free written quote

Book a free in-home measure and a written, itemized quote for your window installation anywhere across Montreal and the surrounding towns. No subcontractors, no high-pressure sales table — just your exact openings measured, the glass package and U-factor explained, and one firm price backed by a written frame-and-glass warranty.

Locally owned · Insured · ENERGY STAR® · Free written estimates