3 Best Windows & Door Companies In Montreal

Expert-Recommended Top 3 Windows & Doors Companies in Montreal, QC Each company listed below has been carefully selected by industry professionals based on their reputation, craftsmanship, customer satisfaction, and local expertise. From service quality to product durability, only the most trusted names in Montreal made the cut — because your home deserves the very best.

Portes et Fenêtres Factory Direct Montréal Windows & Doors

Service Areas
Montreal, Saint-Laurent, Laval, Longueuil, Brossard, Châteauguay

Since: 2000

Services:

✅ Window sales and installation
✅ Door sales and installation
✅ Window and door replacement
✅ Custom window and door design
✅ Energy-efficient windows (ENERGY STAR)
✅ Double and triple-pane glass
✅ Low-E windows
✅ Fiberglass and steel doors
✅ Patio, sliding, and French doors
✅ Wrought iron and decorative glass doors
✅ Commercial and residential services
✅ Contractor partnerships
✅ Financing available
✅ Lifetime and manufacturer warranties
✅ RénoClimat rebate support

“My experience with Factory Direct Windows and Doors was excellent. Sasha and Sveta were knowledgeable and professional. The crew delivered and installed 11 energy-efficient windows on time with great workmanship. They were respectful and attentive to detail. Highly recommended.”

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Doors and Windows Verdun / Kitchens Verdun

Service Areas
Montréal (Verdun and multiple branches), Kirkland, Lasalle, Plateau‑Mont‑Royal, St‑Léonard, North & South Shore (Laval, Châteauguay, Longueuil, Terrebonne, etc.)

Since: 1967 (over 50 years in business)

Services:

✅ Window manufacturing & supply (PVC, hybrid PVC/Aluminum, architectural styles)
✅ Window installation & replacement (casement, awning, sliding, bay-bow, contractor-grade)
✅ Door manufacturing & supply (steel entry, exterior, garage, patio, wrought iron)
✅ Door installation & replacement
✅ Commercial & residential projects
✅ Contractor partnerships & guidance
✅ Financing (monthly payment plans)
✅ RénoClimat/Greener Homes rebate support
✅ After‑sales service & warranty

“Got new basement windows installed today by Verdun. Quality looks excellent and the two installers were fantastic (Jason and Rhys). Highly recommended.”

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Unisson Groupe Montreal - Portes et Fenêtres / Windows and Doors

Service Areas
Saint‑Laurent, Montreal, Laval, South Shore, Ahuntsic‑Cartierville, Anjou, Beaconsfield, Boucherville, Brossard, Châteauguay, Côte‑Saint‑Luc, Côte‑des‑Neiges, Dorval, Duvernay, Kirkland, La Salle, Mount Royal, Pierrefonds, Outremont, Longueuil, Dollard‑Des Ormeaux, Hampstead, Montreal West & surrounding.

Since: 2000

Services:

✅ Custom UPVC window sales & installation (casement, awning, sliders, etc.)
✅ Window replacement
✅ Custom door sales & installation (exterior, patio, etc.)
✅ Exterior door projects
✅ Commercial & residential service

“Thank you to Sergei and his team for great service. The Unisson Groupe windows gave a brand new look of my house, they are functional, easy to maintain, affordable and I hope they will keep me warm during the winter. Serge was fantastic in helping me and navigation me during the whole process… The assembling team was very professional, well organised and replace my windows in almost no time. I wholehearted recommend Serge and Unisson Groupe for your future old windows replacement project.”

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Why Hire a Local Window & Door Expert in Montreal?

When upgrading your home’s windows or doors, working with a local professional in Montreal offers clear advantages. These specialists understand the unique demands of homes in the area — from handling Quebec’s harsh winters to navigating local language, regulations, and permitting processes.

Here’s why choosing a Montreal-based company makes a real difference:

Faster response times – Local pros can provide estimates and installations more quickly than companies from outside the region.

🧊 Climate-specific expertise – Montreal contractors know which materials and insulation methods work best in extreme cold, wind, and snow.

🏡 Familiarity with city bylaws – Avoid permitting issues or costly delays by hiring someone who understands local building codes and requirements.

🔧 Responsive after-sale service – If anything goes wrong, your installer is nearby and can quickly resolve issues.

🌟 Established local reputation – These businesses thrive on word-of-mouth, reviews, and repeat clients within the community.

Hiring local also supports Montreal’s economy and ensures you get personalized, bilingual service from professionals who care about your project.

Get 3 Free Quotes with One Simple Form

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Common Window and Door Services in Montreal

Homeowners in Montreal rely on local window and door professionals for a wide range of services — from energy-saving upgrades to elegant, custom-designed entrances. Whether you’re renovating a historic triplex in Plateau-Mont-Royal or updating a modern condo in Griffintown, Montreal experts provide solutions tailored to your property’s age, style, and climate needs.

Here are the most common services available:

Window Replacement & Installation

Replace old or drafty windows with high-performance options like double-pane, triple-pane, or low-E glass to improve comfort and efficiency.

Door Replacement & Installation

Enhance your home’s appearance and security with premium front doors, sliding patio doors, or fully customized entry systems.

Sliding & French Patio Doors

Maximize light and space with modern sliding doors or opt for timeless French doors that blend beauty with function.

Custom Window Solutions

Ideal for older Montreal architecture — bay, bow, arched, or oversized windows designed to match unique facades.

Energy-Efficient Upgrades

Combat Quebec winters and rising energy costs with ENERGY STAR® certified windows and insulated doors suited to local conditions.

Window & Door Repairs

Address common issues like foggy glass, damaged seals, sticking doors, or malfunctioning hardware without full replacement.

Retrofit & Full-Frame Installation

Choose retrofit installations to preserve interior trim or go with full-frame replacements for maximum performance.

Condensation & Draft Solutions

Solve problems with moisture, cold air infiltration, or aging caulking — key to maintaining indoor comfort year-round.

Montreal’s unique mix of architectural styles and harsh seasonal changes calls for knowledgeable, local contractors who can recommend the right solution for your budget, building type, and long-term energy savings.

Average Cost of Windows & Doors in Montreal, QC

The cost to replace or install new windows and doors in Montreal varies depending on materials, size, style, and the installation method. Labour and product pricing in Quebec can differ slightly from other provinces, so it’s important to get quotes from local professionals. On average, here’s what homeowners can expect:

💰 Typical Price Ranges

Service TypeAverage Cost (Installed)
Standard Vinyl Window (per unit)$500 – $950
Triple-Pane Window (per unit)$750 – $1,250
Bay or Bow Window$2,200 – $4,500+
Entry Steel Door$1,100 – $1,900
Fibreglass Entry Door$1,600 – $2,700
Sliding Patio Door$1,300 – $2,900
French Door (Double)$1,900 – $3,700
Full-Frame Window Installation+$250 – $450 per unit
Retrofit Window InstallationIncluded in base price

🔍 Cost Factors to Consider

  • Size and number of units — Larger or multiple windows increase total cost

  • Material selection — Vinyl is most affordable, while wood and fibreglass cost more

  • Energy efficiency features — Low-E glass, triple-pane, and argon gas add performance and cost

  • Labour rates in Montreal — Prices may reflect unionized labour or building access complexity

  • Permit or inspection needs — Structural changes or condo buildings may require approval

Many contractors in Montreal also offer financing options, seasonal discounts, or help with rebate programs like the Canada Greener Homes Grant. Always get a detailed written quote and verify product warranties before committing.

Government Rebates for Windows and Doors in Montreal

If you’re planning to upgrade your windows or doors in Montreal, you may be eligible for federal and provincial rebates that can significantly reduce your renovation costs. These programs are designed to encourage energy-efficient home improvements and lower carbon emissions.

Canada Greener Homes Initiative (Up to $5,000 in Grants)

The Canada Greener Homes Grant provides up to $5,000 for qualifying upgrades, including:

  • ENERGY STAR® certified windows and doors

  • Triple-pane or low-E glass installations

  • Full-frame replacements that improve insulation

To qualify, you must:

  • Book pre- and post-retrofit EnerGuide evaluations with a certified energy advisor

  • Use licensed professionals for installation

  • Choose products that meet or exceed Natural Resources Canada (NRCan) efficiency standards


🧾 Hydro-Québec Energy-Efficiency Rebates

While Quebec does not participate in the Enbridge HER+ program, Hydro-Québec and other local agencies occasionally offer home renovation rebates and financial assistance for improving energy efficiency.

Check for:

  • Rebates on high-performance doors and windows

  • Eligibility based on income, region, or product type

  • Promotions tied to certified contractors or manufacturers

🔗 Visit: hydroquebec.com for current offers


🕵️‍♂️ How to Apply for the Greener Homes Grant:

  1. Book an EnerGuide home evaluation through a licensed Quebec-based service organization

  2. Complete eligible upgrades using qualifying products and professionals

  3. Schedule the final evaluation and submit your application through the official portal


💡 Tip: Many contractors in Montreal are familiar with the rebate process and can help you apply or recommend eligible products during your quote.

Frequently Asked Questions – Windows & Doors in Montreal

How much does it cost to replace a window in Montreal?

Replacing a standard vinyl window in Montreal typically costs $500 to $950, including installation. Prices increase for triple-pane, bay, or custom windows.

Generally, no permit is needed if you’re replacing existing units without altering their size. However, if you’re modifying structural openings, especially in heritage zones or condos, a permit or board approval may be required.

Triple-pane windows with low-E coating and argon gas are highly recommended for Montreal’s cold winters and hot, humid summers. ENERGY STAR® certified models offer the best year-round performance.

Yes. The Canada Greener Homes Grant offers up to $5,000 in rebates for qualifying energy-efficient upgrades. Additional programs may be available through Hydro-Québec or regional agencies.

Retrofit installations keep the existing window frame, saving on labour and costs. Full-frame installations replace everything down to the studs — ideal when frames are damaged or insulation is needed.

Most standard window or door installations in Montreal take 1–2 hours per unit. A full home replacement may take 1–3 days, depending on accessibility and weather conditions.

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