One form → quotes from all 3 top Laval companies
Skip the phone tag. Describe your project once and every vetted company below comes back to you with a quote. No strings attached.
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Les Portes et Fenêtres Charland
- Casement windows (PVC, aluminum, hybrid, wood)
- Sliding windows (PVC, aluminum, hybrid)
- Double-hung / guillotine windows (PVC, aluminum, hybrid)
- Exterior entry doors
- Patio doors
- Garage doors
- Window and door replacement and installation
- Railings and balconies
- Fiberglass, spiral and welded heritage stairs
- Polycarbonate awnings
- Free in-home measurement and quote
- Showroom consultation
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Portes et Fenêtres Olympas
- PVC window sales and installation
- Hybrid windows (PVC interior, aluminum-clad exterior)
- Casement and awning windows
- Single and double sliding windows
- Single and double hung (guillotine) windows
- Fixed-frame windows (small and large)
- Steel entry doors
- PVC patio doors
- Thermos / sealed thermal glass unit replacement
- Interior and exterior caulking (calfeutrage)
- Replacement window measurement and custom ordering
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Portes et Fenêtres 440
- PVC and hybrid window replacement
- Casement and awning windows
- Sliding and double-hung windows
- Tilt-and-turn windows
- Fixed and architectural windows
- Bay and arched windows
- Basement egress windows
- Steel entry doors
- Patio and sliding glass doors
- Three- and four-season solariums
- Patios and decks
- Roofing
- Professional installation
- Free in-home quotes and financing
Windows & Doors in Laval: A Local Buyer's Guide
Fourteen separate municipalities on Île Jésus were merged into a single city on 6 August 1965, and the farmland between them was subdivided almost immediately — which is why so much of Laval reads as one continuous run of bungalows and split-levels with wide street-facing picture windows, patio doors and aluminum sliders, all built to a similar formula within about twenty years. Those openings are unusually large for their era, and most are now on their second set of sashes. Laval also sits between two rivers that overtopped in 2017 and again in 2019 — Laval-sur-le-Lac, Îles-Laval, Sainte-Dorothée, Laval-des-Rapides and Laval-Ouest all took water — so in the shoreline sectors an opening at or near grade is a water-management decision as much as a heating one.
🌡️ Climate & what to buy
Winter here does its damage through repeated crossings of 0 °C rather than through the annual minimum: meltwater gets into joints and freezes there, and it is the seal, the sill and the hardware that give out first. So the spec to pin down before glazing is the CSA A440 / NAFS performance rating on the quote — the air-tightness (A), water-penetration (B) and wind-load (C) grades the unit was actually tested to — together with whether the installer is fitting a sloped sill pan and proper flashing under the wide picture-window and patio-door openings that make up so much of Laval's wall area. Energy performance follows from there: specify units certified ENERGY STAR for Canada (U-factor of 1.22 W/m²·K or lower, or an Energy Rating of 34 or higher). On the big fixed lites, triple glazing is usually the least expensive route to that target, and it also raises the interior glass temperature enough to cut the winter condensation that shows up in split-level basement bedrooms where the bathroom fan was never properly vented. Two local add-ons worth pricing: along boulevard Curé-Labelle and the A-15, A-440 and A-25 corridors, ask for asymmetric glazing — two different glass thicknesses, or one laminated lite — which does more for traffic noise than another pane of identical thickness; and on the open north shore in Sainte-Rose, Auteuil and Saint-François, where wind comes off the Rivière des Mille Îles with little to slow it, treat the water-penetration rating as the number that decides between two otherwise similar units. Environment and Climate Change Canada normals at the nearest long-record station, Montréal–Trudeau (just across the water from Laval-sur-le-Lac), run to roughly -9.7 °C mean in January with mean lows near -15 °C, about 210 cm of snow and about 1,000 mm of total precipitation a year.
📋 Permits & bylaws
Laval publishes a plain table of what does and doesn't need a permit for exterior residential renovation, and doors and windows appear on both sides of it. Replacing doors and windows with units of the same dimensions in the existing openings: no permit. Changing the dimensions of an opening, adding a new opening, or replacing any door or window located less than 1.5 m (5 ft) from a property line: permit required — that last trigger catches a lot of the narrow side yards in Chomedey, Pont-Viau and Laval-des-Rapides, and it surprises people doing what they think is a like-for-like swap. The construction permit runs $92 for the first $20,000 of declared work plus $2.50 per $1,000 above that, the city quotes a 30-day processing window, and you should get an email on the status of a filed application within 5 business days. Apply through Mon dossier on laval.ca or in person at the Service de l'urbanisme, 1333 boulevard Chomedey; don't start before the permit is issued, keep it posted and visible from the street, and expect a possible inspector visit. Two extra layers apply in Laval. First, check whether your address is subject to a PIIA (plan d'implantation et d'intégration architecturale) using the city's Info-règlements tool before you order anything custom — Vieux-Sainte-Rose has been under architectural control since the 1997 regulation change, and Laval has identified roughly 100 further buildings of heritage interest outside the designated heritage territories, where material, colour, profile and divided lites can all be conditioned. Second, if the lot is riverside or in the flood plain, the certificate of location filed with your application has to show the shoreline, the flood elevations, the zone d'intervention spéciale (ZIS) and the highest known water levels (PHEC).
💰 Rebates & incentives
Commonly available in Laval, but verify current details, amounts and deadlines before you sign. Quebec's Rénoclimat is the program that still pays for openings — $150 per existing rough opening replaced with an ENERGY STAR certified window, patio door or exterior door — and it requires an energy advisor's evaluation before the work and a second one after; complete unit replacement only, so glass-only or sash-only swaps don't qualify. Federal money for windows has run out: the Canada Greener Homes Grant's final post-retrofit evaluation deadline was 30 September 2025 and the Canada Greener Homes Loan stopped taking new applications on 1 October 2025, so a quote still advertising a federal window rebate is working from stale information. Hydro-Québec's LogisVert does not cover doors and windows (it funds heat pumps, and attic insulation when combined with air sealing), but it stacks with Rénoclimat on a broader retrofit, and its 2026 enhancements — effective 15 June 2026 — are aimed at buildings of two or more individually metered units built before 1995, which describes a large share of Laval's duplex and plex stock. The one to watch locally: from 1 October 2026, Rénoclimat adds an adaptation component backed by $425 million over five years, offering roughly $700–$1,000 for simple protective measures, up to $1,000 toward a climate-risk diagnostic, and up to 75% of the cost (to a maximum of $35,000) for complex work on homes in recognized flood zones, with $38,500 the total cap per home. Sealing openings is named among the eligible measures, which is directly relevant to basement and grade-level windows and doors in Laval-Ouest, Sainte-Dorothée, Îles-Laval and Laval-sur-le-Lac.
📅 Best time to install
In the shoreline sectors, plan around the freshet before anything else: the Rivière des Prairies and the Rivière des Mille Îles run high from roughly late March into early May, and in the 2017 and 2019 events streets in Îles-Laval, Laval-Ouest and Sainte-Dorothée were under water or cut off for weeks — not a period to have a ground-floor opening out of the wall. Elsewhere in Laval, target late August to mid-October: expanding foam and exterior sealants cure predictably above about 5 °C, and you finish ahead of the first hard freeze. Order earlier than feels necessary. Quebec's two-week construction holiday at the end of July stalls fabrication across the province, and if your job trips one of Laval's permit triggers, the city's stated 30-day processing time sits on top of your lead time.
Serving neighbourhoods across Laval: Chomedey · Sainte-Dorothée & Laval-sur-le-Lac · Vieux-Sainte-Rose · Duvernay & Saint-Vincent-de-Paul · Laval-Ouest & Fabreville · Pont-Viau & Laval-des-Rapides
Why Hire a Local Window & Door Expert in Laval?
Working with a local professional in Laval 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 Laval.
- 📋 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 Laval
Local pros in Laval 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 Laval'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 Laval, Quebec
Costs vary by material, size, style, and installation method. Typical Laval 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 Laval?
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 Laval?
Yes. Submitting the quote form is completely free for homeowners, and your request goes to all featured companies in Laval at once.
Do I need a permit to replace windows or doors in Laval?
Laval publishes a plain table of what does and doesn't need a permit for exterior residential renovation, and doors and windows appear on both sides of it. Replacing doors and windows with units of the same dimensions in the existing openings: no permit. Changing the dimensions of an opening, adding a new opening, or replacing any door or window located less than 1.5 m (5 ft) from a property line: permit required — that last trigger catches a lot of the narrow side yards in Chomedey, Pont-Viau and Laval-des-Rapides, and it surprises people doing what they think is a like-for-like swap. The construction permit runs $92 for the first $20,000 of declared work plus $2.50 per $1,000 above that, the city quotes a 30-day processing window, and you should get an email on the status of a filed application within 5 business days. Apply through Mon dossier on laval.ca or in person at the Service de l'urbanisme, 1333 boulevard Chomedey; don't start before the permit is issued, keep it posted and visible from the street, and expect a possible inspector visit. Two extra layers apply in Laval. First, check whether your address is subject to a PIIA (plan d'implantation et d'intégration architecturale) using the city's Info-règlements tool before you order anything custom — Vieux-Sainte-Rose has been under architectural control since the 1997 regulation change, and Laval has identified roughly 100 further buildings of heritage interest outside the designated heritage territories, where material, colour, profile and divided lites can all be conditioned. Second, if the lot is riverside or in the flood plain, the certificate of location filed with your application has to show the shoreline, the flood elevations, the zone d'intervention spéciale (ZIS) and the highest known water levels (PHEC).
What does it cost to replace windows in Laval?
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
- 📍Gatineau
- 📍Longueuil
- 📍Sherbrooke
- 📍Saguenay
- 📍Levis
- 📍Trois-Rivières
- 📍Terrebonne
- 📍Repentigny
- 📍Saint-Jean-sur-Richelieu
- 📍Drummondville