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Portes et Fenêtres Président
- Custom PVC and hybrid window manufacturing
- Casement and awning windows
- Single and double sliding windows
- Single and double hung windows
- Bay and bow windows
- Irregular-shape and transom windows
- Steel entry doors
- Patio doors
- Window and door replacement installation
- Free in-home measurement and estimate
- After-sales service and warranty claims
- Financing plans
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Fenplast — Portes et fenêtres Rive-Sud (Longueuil & Saint-Hubert showrooms)
- Entry doors (standard and Next Generation lines)
- Patio sliding doors
- Screen doors
- Casement and awning windows
- Horizontal sliding windows
- Vertical sliding (double-hung) windows
- Fixed and panoramic windows
- Bay and bow windows
- Irregular and custom-shape windows
- Door handles and locking hardware
- Decorative mouldings and shutters
- Door and window installation
- In-home measurement and free written quotes
- Supply program for contractors and builders
- Financing (no deposit, 3 months interest-free)
- Showroom consultations by online appointment
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Portes et Fenêtres Verdun — succursale Longueuil
- Casement windows (fenêtres à battants)
- Awning windows (fenêtres à auvent)
- Double-hung and single-hung windows
- Sliding windows (fenêtres coulissantes)
- Bay and bow windows
- Architectural and specialty-shape windows
- PVC, PVC-aluminum hybrid and aluminum window frames
- Steel entry doors
- Patio and sliding patio doors
- Solid exterior doors
- Door hardware and exterior handle sets
- Window and door hardware
- Contractor / new-construction product lines
- In-house manufacturing (Collection Verdun) at the Saint-Bruno plant
- Professional installation with quality-control inspection
- Free in-home estimates and showroom consultations
- After-sales service line
- Monthly financing through Financeit
Windows & Doors in Longueuil: A Local Buyer's Guide
Longueuil's strangest housing legacy is Ville Jacques-Cartier, the working-class municipality on the city's western flank where, through the 1940s and 50s, families built their own houses in stages — often faster than services, plans or inspection could catch up — before Longueuil annexed the whole of it in 1969. Those streets, now the Laflèche and Coteau-Rouge sectors, still hold openings that match no catalogue size, and they sit inside a city where 39% of all dwellings went up between 1961 and 1980 (Statistics Canada, 2021 Census). The practical consequence is a very large stock of non-thermally-broken aluminum sliders and first-generation sealed units, plus a cited heritage core in Vieux-Longueuil of more than 950 buildings where the window you choose has to clear a committee before it clears a supplier.
🌡️ Climate & what to buy
Start with the frame, not the glass. The dominant failure in Longueuil's 1961–1980 stock is frost and running condensation on the perimeter of un-thermally-broken aluminum frames, and no glazing package fixes a frame that conducts. Specify PVC, fibreglass or a hybrid (aluminum exterior over a PVC or wood core) and the single most-reported complaint in this stock disappears. For the sealed unit, ENERGY STAR Canada's residential threshold — ER 34 or U-factor 1.22 W/m²·K — is the number to hold suppliers to, and it is also the certification Rénoclimat requires before it pays anything. A standard double unit with one soft-coat low-E and argon clears it in most configurations; reserve triple glazing for large north and east elevations, where the St. Lawrence exposure makes the surface-temperature difference something you can feel from a couch. Longueuil now has a second consideration most Quebec suburbs do not: MET – Montréal Metropolitan Airport opened its new 21,000 m² terminal in Saint-Hubert on June 15, 2026, with Porter and Pascan running scheduled service off the 06L/24R runway. If your house sits under that approach in Saint-Hubert, LeMoyne or eastern Greenfield Park, ask for an asymmetric unit — unequal glass thicknesses, one lite laminated — rather than a third pane. Three equal panes can perform worse acoustically than a well-chosen double, because matched thicknesses resonate together. Last, for the owner-built stock: order custom sizes and hold the installer to an A3 air-tightness rating under CSA A440/NAFS. Shimming a stock unit into a hand-framed rough opening is where the draughts come back.
📋 Permits & bylaws
Yes, Longueuil requires a permit — including for like-for-like replacement. Applications go through permisenligne.longueuil.quebec under category "construction et/ou rénovation résidentielle." If you are changing the size, position or number of openings, choose "ajout, modification ou retrait de porte(s) et/ou fenêtre(s)," which requires a certificat de localisation signed and sealed by a land surveyor plus scaled architectural plans showing every affected floor and every wall elevation, existing and proposed. Same-opening swaps fall under "rénovation intérieure et/ou extérieure," which drops the surveyor's certificate but still wants elevations for exterior work. The governing bylaw is CO-2024-1285, which replaced CO-2009-578. Heritage adds a real step: Longueuil has three cited sites under the Loi sur le patrimoine culturel — the Maison Michel-Dubuc, the Hôtel-du-Roi, and the site patrimonial cité du Vieux-Longueuil, which alone covers more than 950 buildings, roughly 455 of them flagged as high heritage potential. Anything that repairs or modifies exterior appearance goes to the conseil local du patrimoine (CLP) before the City will issue. Painting, drainage and mechanical work away from the main façade are explicitly exempt; windows and doors are not. Separately, certain zones in each borough are subject to a PIIA under Part 4 of the borough urbanisme bylaw, which must be cleared before the permit is issued. One Longueuil-specific caution worth knowing before you sign anything: door-to-door window sellers need a municipal permit here, and the rules differ by borough — Vieux-Longueuil (bylaw 96-4037) issues a 30-day permit per individual salesperson and bans soliciting on Sundays and holidays or between 8 p.m. and 10 a.m.; Saint-Hubert (bylaw 1212-96) limits for-profit solicitation to Monday–Friday, 9 a.m. to 8 p.m.; Greenfield Park (bylaw 731) prohibits it outright without a permit. Ask to see the permit. Quebec's Consumer Protection Act also gives you 10 days to cancel a contract signed with an itinerant merchant. Note that these rules cover only the three boroughs of Vieux-Longueuil, Saint-Hubert and Greenfield Park — Boucherville, Brossard, Saint-Lambert and Saint-Bruno-de-Montarville reconstituted in 2006 and administer their own permits.
💰 Rebates & incentives
Commonly available, but verify current details before you budget around them. Rénoclimat, the Quebec government program, is the one that actually pays for windows: roughly $150 per existing rough opening replaced with an ENERGY STAR certified window or exterior door. Complete replacements only — sash-only or glass-only retrofits do not qualify — and the money is conditional on a Rénoclimat advisor performing both a pre-work and a post-work evaluation. Book the first evaluation before demolition; homeowners who call after the old units are in the dumpster forfeit the grant entirely. Do not count on Hydro-Québec's LogisVert here: it funds heat pumps, insulation and air-sealing, and explicitly excludes door and window replacement. On the federal side, the Canada Greener Homes Grant is closed to new applicants; the interest-free Canada Greener Homes Loan has historically financed envelope work tied to an EnerGuide evaluation, and its current status should be confirmed directly with Natural Resources Canada. Longueuil itself does not run a window-specific subsidy. Confirm your contractor holds a valid RBQ licence — most programs require it, and it is the only enforceable recourse you have on workmanship.
📅 Best time to install
If your address falls inside the Vieux-Longueuil heritage site or a PIIA zone, the calendar that governs your project is the review committee's, not the weather's. The CLP and the urbanisme review meet on a fixed cycle, and a file that needs material samples, façade photos and elevations can add four to eight weeks before a permit is even issued. Submit in January or February so the approval lands before the spring order book fills. Everyone else: right now is the good half of the year. The CCQ construction holiday ended August 1, crews are back, and mid-August through late October is the strongest installation window in Longueuil — low-expansion foam and sealants cure reliably above 5 °C, and you are not opening walls in February. Push past mid-November and installers start pricing in cold-weather premiums; past mid-December, most reputable shops in the three boroughs will tell you to wait for April rather than caulk at −15 °C and warranty the result.
Serving neighbourhoods across Longueuil: Vieux-Longueuil — the cited heritage site around the co-cathédrale Saint-Antoine-de-Padoue, 950+ buildings under CLP review, spanning the French regime to the present · Saint-Hubert — 1970s–90s detached homes and the borough most affected by the MET terminal approach path; the strongest case in the city for laminated acoustic glazing · Greenfield Park — the smallest borough and the only anglophone-majority one; postwar cottages and bungalows on deep lots, mostly outside heritage review · LeMoyne — the dense pocket near the Jacques-Cartier bridge approaches, dominated by narrow interwar and postwar duplexes with small, tightly spaced openings · Laflèche / Coteau-Rouge — the heart of the former Ville Jacques-Cartier annexed in 1969, where owner-built houses regularly need custom-sized units rather than stock sizes · Fatima — a 1960s Vieux-Longueuil sector of consistent split-levels and bungalows, typically the cleanest whole-home replacements in the city
Why Hire a Local Window & Door Expert in Longueuil?
Working with a local professional in Longueuil 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 Longueuil.
- 📋 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.
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Common Window & Door Services in Longueuil
Local pros in Longueuil 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 Longueuil'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 Longueuil, Quebec
Costs vary by material, size, style, and installation method. Typical Longueuil price ranges:
| Service Type | Average Cost (Installed) |
|---|---|
| Standard Vinyl Window (per unit) | $450 – $900 |
| Triple-Pane Window (per unit) | $700 – $1,200 |
| Bay or Bow Window | $2,000 – $4,000+ |
| Entry Steel Door | $1,000 – $1,800 |
| Fiberglass Entry Door | $1,500 – $2,500 |
| Sliding Patio Door | $1,200 – $2,800 |
| French Door (Double) | $1,800 – $3,500 |
Frequently Asked Questions
How does Mullions choose the top 3 companies in Longueuil?
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 Longueuil?
Yes. Submitting the quote form is completely free for homeowners, and your request goes to all featured companies in Longueuil at once.
Do I need a permit to replace windows or doors in Longueuil?
Yes, Longueuil requires a permit — including for like-for-like replacement. Applications go through permisenligne.longueuil.quebec under category "construction et/ou rénovation résidentielle." If you are changing the size, position or number of openings, choose "ajout, modification ou retrait de porte(s) et/ou fenêtre(s)," which requires a certificat de localisation signed and sealed by a land surveyor plus scaled architectural plans showing every affected floor and every wall elevation, existing and proposed. Same-opening swaps fall under "rénovation intérieure et/ou extérieure," which drops the surveyor's certificate but still wants elevations for exterior work. The governing bylaw is CO-2024-1285, which replaced CO-2009-578. Heritage adds a real step: Longueuil has three cited sites under the Loi sur le patrimoine culturel — the Maison Michel-Dubuc, the Hôtel-du-Roi, and the site patrimonial cité du Vieux-Longueuil, which alone covers more than 950 buildings, roughly 455 of them flagged as high heritage potential. Anything that repairs or modifies exterior appearance goes to the conseil local du patrimoine (CLP) before the City will issue. Painting, drainage and mechanical work away from the main façade are explicitly exempt; windows and doors are not. Separately, certain zones in each borough are subject to a PIIA under Part 4 of the borough urbanisme bylaw, which must be cleared before the permit is issued. One Longueuil-specific caution worth knowing before you sign anything: door-to-door window sellers need a municipal permit here, and the rules differ by borough — Vieux-Longueuil (bylaw 96-4037) issues a 30-day permit per individual salesperson and bans soliciting on Sundays and holidays or between 8 p.m. and 10 a.m.; Saint-Hubert (bylaw 1212-96) limits for-profit solicitation to Monday–Friday, 9 a.m. to 8 p.m.; Greenfield Park (bylaw 731) prohibits it outright without a permit. Ask to see the permit. Quebec's Consumer Protection Act also gives you 10 days to cancel a contract signed with an itinerant merchant. Note that these rules cover only the three boroughs of Vieux-Longueuil, Saint-Hubert and Greenfield Park — Boucherville, Brossard, Saint-Lambert and Saint-Bruno-de-Montarville reconstituted in 2006 and administer their own permits.
What does it cost to replace windows in Longueuil?
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
- 📍Montreal
- 📍Quebec City
- 📍Laval
- 📍Gatineau
- 📍Sherbrooke
- 📍Saguenay
- 📍Levis
- 📍Trois-Rivières
- 📍Terrebonne
- 📍Repentigny
- 📍Saint-Jean-sur-Richelieu
- 📍Drummondville