3 Best Windows & Door Companies In Montreal
Expert-recommended Top 3 Windows & Doors (Portes et Fenêtres) companies in Montreal, QC. Every company below is hand-picked and verified through our 30-point review of reputation, customer reviews, service, product quality, and local presence. You deserve only the best!
Mullions is an independent directory and is not affiliated with or endorsed by the City of Montreal.
One form → quotes from all 3 top Montreal companies
Skip the phone tag. Describe your project once and every vetted company below comes back to you with a quote. No strings attached.
‹
›
Basco Portes et Fenêtres
- PVC Windows
- Hybrid Windows
- Casement Windows
- Awning Windows
- Entry Doors
- Patio Doors
- Manufacturing
- Window & Door Installation
‹
›
ÉLIT TECH Portes Et Fenêtres
- Windows
- Entry Doors
- Patio Doors
- Casement Windows
- PVC Windows
- Window & Door Installation
‹
›
Portes et Fenêtres Inter-Québec
- PVC Windows
- Aluminum Windows
- Casement Windows
- Hung Windows
- Entry Doors
- Patio Doors
- Window & Door Installation
Windows & Doors in Montreal: A Local Buyer's Guide
Montreal's housing is unlike anywhere else in Canada — iconic Plateau triplexes with exterior staircases, Victorian greystones in the Golden Square Mile, and postwar duplexes across Rosemont and Villeray, alongside suburban homes in the West Island and Laval. Combine that architectural range with brutal Quebec winters and it's clear why choosing the right porte et fenêtre specialist matters here.
🌡️ Climate & what to buy
Montreal winters bring heavy snow and -25°C to -30°C wind-chills, followed by humid 30°C+ summers. Triple-pane, low-E, argon-filled ENERGY STAR windows and insulated fibreglass or steel doors handle the freeze-thaw cycles best. Because so many Montreal homes are older masonry, a careful air-tight installation is critical to stop drafts and condensation.
📋 Permits & bylaws
Important in Montreal: unlike much of Ontario, many Montreal boroughs (arrondissements) DO require a permit or certificate of authorization to replace windows and doors when the work changes the appearance of a street-facing façade — and boroughs like Le Plateau-Mont-Royal, Ville-Marie (Vieux-Montréal), and Outremont regulate materials, colours, and styles, especially on heritage buildings. Always check with your borough office before ordering.
💰 Rebates & incentives
Quebec homeowners can often combine the provincial Rénoclimat program and Hydro-Québec LogisVert incentives with the federal Canada Greener Homes programs for ENERGY STAR windows and doors. Programs change frequently — ask your installer which current rebates your project qualifies for before you sign.
📅 Best time to install
Book spring or early-fall installations. Mild, dry weather lets sealants and expanding foam cure properly, and installers avoid the summer rush and the risk of installing during a deep-freeze.
Serving neighbourhoods across Montreal: Le Plateau-Mont-Royal · NDG & Westmount · Rosemont & Villeray · Verdun & LaSalle · West Island · Laval
Why Hire a Local Window & Door Expert in Montreal?
Working with a local professional in Montreal means faster service, climate-right materials, and someone who knows Quebec building codes and stands behind the work.
- ✅ Faster response times — local crews schedule estimates and installs quicker than out-of-town providers.
- 🌡️ Climate-specific advice — they know which materials perform best in Montreal.
- 📋 Permits & bylaws — avoid delays or fines with a contractor who knows the local rules.
- 🔧 Reliable aftercare — if an issue arises, your contractor is a call away, not in another city.
- ⭐ Trusted reputation — local businesses live and die by word-of-mouth and reviews.
Get 3 Free Quotes with One Form
One form reaches all our expert-recommended companies in Montreal. Fast, free, and no obligation.
Common Window & Door Services in Montreal
Local pros in Montreal handle everything from energy-efficient upgrades to full entryway transformations. The most-requested services:
Window Replacement & Installation
Upgrade old or damaged windows with energy-efficient double-pane, triple-pane, or low-E glass units.
Door Replacement & Installation
Improve curb appeal and security with quality front doors, patio sliders, and custom entry systems.
Sliding & French Patio Doors
Add functionality and natural light with space-saving sliding doors or elegant French doors.
Custom Window Solutions
Bay windows, bow windows, or oversized picture windows for unique architectural needs.
Energy-Efficient Upgrades
ENERGY STAR® certified windows and insulated doors built for Montreal's climate.
Window & Door Repairs
Fix cracked frames, foggy glass, faulty locks, and weather stripping — without full replacement.
Retrofit & Full-Frame Installation
Choose retrofit (keeping the existing frame) or full-frame installation for a complete upgrade.
Condensation & Draft Solutions
Resolve air leaks, poor sealing, and moisture build-up for better indoor comfort.
Average Cost of Windows & Doors in Montreal, Quebec
Costs vary by material, size, style, and installation method. Typical Montreal price ranges:
| Service Type | Average Cost (Installed) |
|---|---|
| Standard PVC Window (per unit) | $500 – $1,000 |
| Triple-Pane Window (per unit) | $750 – $1,300 |
| Bay or Bow Window | $2,200 – $4,200+ |
| Entry Steel Door | $1,100 – $1,900 |
| Fiberglass Entry Door | $1,600 – $2,600 |
| Sliding Patio Door | $1,300 – $2,900 |
| French Door (Double) | $1,900 – $3,600 |
Frequently Asked Questions
How does Mullions choose the top 3 companies in Montreal?
Each business is evaluated against our 30-point review standard — reputation, customer reviews, licensing, online presence, and business integrity — before being featured.
Is it free to request quotes in Montreal?
Yes. Submitting the quote form is completely free for homeowners, and your request goes to all featured companies in Montreal at once.
Do I need a permit to replace windows or doors in Montreal?
Important in Montreal: unlike much of Ontario, many Montreal boroughs (arrondissements) DO require a permit or certificate of authorization to replace windows and doors when the work changes the appearance of a street-facing façade — and boroughs like Le Plateau-Mont-Royal, Ville-Marie (Vieux-Montréal), and Outremont regulate materials, colours, and styles, especially on heritage buildings. Always check with your borough office before ordering.
What does it cost to replace windows in Montreal?
Most windows run $450–$1,200 per unit installed depending on material and glass; a full-home project is typically $8,000–$18,000. See the price table below.
How soon will companies respond?
Most featured local companies respond within one business day.
Windows & Doors in Nearby Cities
- 📍Quebec City
- 📍Laval
- 📍Gatineau
- 📍Longueuil
- 📍Sherbrooke
- 📍Saguenay
- 📍Levis
- 📍Trois-Rivières
- 📍Terrebonne
- 📍Repentigny
- 📍Saint-Jean-sur-Richelieu
- 📍Drummondville