One form → quotes from all 3 top Trois-Rivières 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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Nouvel Horizon Portes & Fenêtres Inc.
- PVC window manufacturing (Hori-Tec II 4500 and 5500 series)
- Horicell+ microcellular PVC (mPVC) windows
- Hybrid PVC-interior / aluminum-clad-exterior windows
- Casement and awning windows
- Sliding and double-hung (guillotine) windows
- Fixed, bay, arched, rounded and geometric windows
- Laminated exterior colour finishes
- Entry doors
- Patio doors
- Garaga garage doors (steel and aluminum, residential and commercial)
- In-home measuring and custom sizing
- Installation
- Delivery
- Financing
- After-sales service and warranty support
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Milette Portes et Fenêtres (Groupe Milette)
- PVC casement and awning windows (3500 series)
- Hybrid casement and sliding windows (4400 and 4800 series)
- PVC single-hung and double-hung sliding windows (3800 and 3900 series)
- Wood windows, including ancestral and architectural styles
- Aluminum windows (interior casement, hopper, tilt-turn)
- Architectural and commercial fenestration
- Commercial aluminum doors (2000, 3000 and 5000 series)
- Steel and fibreglass entry doors (Novatech, Verre Select)
- Solid wood exterior entry doors (Martin)
- Interior wood doors (Portes Milette)
- Patio, sliding and lift-and-slide doors
- In-house manufacturing at the Saint-Boniface plant
- Free project estimates and design consultation
- Installation
- After-sales service and warranty support
- Online store and Quebec-wide retailer network
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Portes et fenêtres Trois-Rivières (Portes et fenêtres de Villers — authorized Fenplast dealer)
- Casement and awning windows
- Sliding windows
- Single/double-hung windows
- Panoramic and picture windows
- Bay and bow windows
- Custom irregular-shape windows
- Entry doors
- New Generation entry doors
- Patio and sliding doors
- Interior doors
- Screen doors
- Garage doors and openers
- Sealed unit (thermos) replacement
- Window and door installation
- Garage door installation
- Interior door installation
- Residential renovation
- Aluminum bending / capping
- Exterior cladding and siding
- Decorative mouldings and shutters
- Window hardware, handles and locks
- Fenestration replacement parts
- Contractor and builder trade services
- Free online quotes and in-showroom appointments
- Financing (no deposit, 3 months interest-free via Financeit)
Windows & Doors in Trois-Rivières: A Local Buyer's Guide
On 22 June 1908 a fire took roughly 800 buildings and effectively the whole commercial core of Trois-Rivières, sparing the Ursulines monastery, the Manoir de Tonnancour and about a dozen French-regime houses; what went back up between the widened, straightened streets was brick and mansard-roofed, with tall narrow openings that still dictate what will physically fit. Wrapped around that rebuilt core are five formerly separate towns — Cap-de-la-Madeleine, Trois-Rivières-Ouest, Sainte-Marthe-du-Cap, Saint-Louis-de-France and Pointe-du-Lac — merged into the city in 2002, built out mostly during the paper-mill decades and the suburban decades after them. In a city of about 139,000 people spread across 29 quartiers, your quote depends far less on Trois-Rivières than on which of those two building stories your address belongs to.
🌡️ Climate & what to buy
January normals here run about -7 °C by day and -17 °C overnight, but the number that should drive your spec is roughly 169 frost days a year. Most of the damage to a window in Trois-Rivières happens in April, October and November, when the temperature crosses 0 °C over and over and meltwater refreezes inside the joint between frame and wall. So argue about water management at the sill before you argue about glass: a continuous sill pan or membrane flashing, a sloped exterior sill, and a drained, back-dammed detail. That matters most in the post-1908 downtown brick, where openings sit deep in load-bearing masonry and the original wood bucks are usually rotted at the corners long before anyone notices the sealed unit has fogged. Condensation resistance is the second thing to press on, ahead of raw U-value. The city sits where the Saint-Maurice empties into the St. Lawrence, and river humidity keeps shoulder-season indoor moisture high enough that a marginal edge-of-glass temperature shows up as frost along the bottom rail in January. A non-metal warm-edge spacer buys more of that resistance per dollar than the jump from double to triple glazing does — though triple with two low-E coatings is what most local quotes now assume, and it earns its place in bedrooms and bathrooms. Set your performance floor at ENERGY STAR certified for Canada (U ≤ 1.22 W/m²·K, or Energy Rating 34), since Rénoclimat will not pay on anything below it. January alone drops on the order of 58 cm of snow across roughly 12 snow days, so ground-floor and basement openings sit buried for months — ask for a CSA A440/NAFS water-penetration and design-pressure rating chosen for that, not the builder-grade minimum. For frames: welded PVC or fibreglass across the post-war and suburban sectors; wood or aluminum-clad wood downtown, where the reviewing committee will have opinions about muntin pattern and sash proportion.
📋 Permits & bylaws
Trois-Rivières is stricter here than several of its Quebec neighbours, and it regularly catches homeowners out. The city requires a permis de construction for any "construction, agrandissement ou modification de bâtiment, quel que soit le montant des travaux" — regardless of what the job costs. The free déclaration de travaux, which exists to let light work start quickly, covers a defined list: kitchen cabinets, interior insulation and finishes, electrical panels and rewiring, plumbing fixtures, heating replacement, re-roofing, shed repairs, parking surfaces. Window and door replacement is not on that list. Assume you need the permit, apply before you order anything, and note the city's own posted warning that processing times are currently longer than normal because of application volume. Heritage adds a second layer, and in the founding core it adds a third. New construction and exterior renovation on any building inside a PIIA zone must be analysed by the comité consultatif d'urbanisme before a permit issues; expect scrutiny of materials, colours, divisions and profiles, and plan in months rather than weeks. Separately and older, the site patrimonial déclaré de Trois-Rivières was declared by the province in 1964 — among Quebec's earliest — and covers roughly 6.7 hectares and about fifty institutional and residential buildings in the 1634 founding core, alongside the sites patrimoniaux des Ursulines and des Récollets (the latter recognized in 2003). Work on a declared site falls under the Loi sur le patrimoine culturel and needs authorization from the Ministère de la Culture et des Communications in addition to the municipal permit. Verify your specific address with the city at 311 or 819-374-2002 before you sign, and confirm your contractor holds a valid RBQ licence.
💰 Rebates & incentives
Commonly available, verify current details before you commit — Quebec program rules and budgets change often. Rénoclimat is the provincial baseline: about $150 for each existing rough opening replaced with an ENERGY STAR certified window, patio door or exterior door, counted per opening (a three-unit bay in one rough opening pays once, not three times). Three conditions do most of the disqualifying. The pre-retrofit energy evaluation — $150 plus tax, commonly reimbursed when a grant is paid — has to be completed before any work starts. Only complete replacements qualify, so re-glazing, or swapping a sash or door slab inside an existing frame, is out. And your home's EnerGuide rating must actually improve, which a handful of windows on their own may not deliver. Quebec has also announced a Rénoclimat-Adaptation stream beginning 1 October 2026 for flood-adaptation work, which is worth watching on the low ground along the Saint-Maurice and the St. Lawrence. Hydro-Québec's LogisVert is useful for heat pumps and insulation but does not fund windows and doors. Federally, the Canada Greener Homes Affordability Program replaced the closed Greener Homes Grant, launched in September 2025 with roughly $800 million, and is delivered through the provinces rather than directly by NRCan. It is income-tested, covers windows for qualifying low- and median-income households, and can carry no upfront cost — so confirm your position with Quebec's delivery agent rather than taking an installer's word for it. The municipal side is where Trois-Rivières is unusually generous, and it is drawn on maps rather than offered city-wide. The Programme de restauration du patrimoine immobilier reimburses on the order of 60% of the real cost of eligible restoration work up to a $250,000 ceiling per property, with better rates for traditional materials — which can make a properly detailed wood window cheaper after grant than the PVC unit that would have been refused anyway. Redéveloppement des premiers quartiers covers roughly 25–75% of eligible costs to a $50,000 cap for heritage building renovation in the older core. Rénovation Québec volets 2 and 6 fund 30–40% of residential renovation, and Éconologis provides free weatherstripping and an energy consultation to modest-income households. Check eligibility by street address first.
📅 Best time to install
In Trois-Rivières the calendar is set by the permit, not by the crew. Because a permis de construction is required for every window and door replacement — and the city is publicly flagging longer-than-normal processing — the thing to get in early is the application, not the deposit; add several more months if a comité consultatif d'urbanisme review or a ministerial authorization for the declared heritage site is involved. Work backwards from that: file in January or February, book the Rénoclimat pre-retrofit evaluation in the same stretch since no work may begin before it, and you land on site in May–June or September–October, when overnight temperatures hold above the roughly 5 °C floor most exterior caulkings and finish coatings are rated to. The mandated two-week construction holiday at the end of July congests order books on both sides of it, so treat late July as a dead zone rather than a slow week. And keep basement and ground-floor openings out of February and March — with about 58 cm falling in January alone, snowpack and its meltwater make sills and flashings the hardest detail on the job to get right.
Serving neighbourhoods across Trois-Rivières: Vieux-Trois-Rivières and the centre-ville — the 6.7-hectare declared heritage site sits inside this sector, ringed by the commercial blocks rebuilt in brick after the 1908 fire along rues des Forges, Bonaventure and Notre-Dame. Two or three approval layers, tall narrow openings that rarely match stock sizes, and wood or aluminum-clad wood rather than PVC — but also where the municipal restoration grant is worth the most. · The older quartiers along the Saint-Maurice, including Notre-Dame-des-Sept-Allégresses and Sainte-Cécile — dense wood-frame duplexes and triplexes laid out for mill and dock labour while Wayagamack (1911), Canadian International Paper (1922) and St. Lawrence Pulp and Paper (1923) were hiring. Heavily tenanted, so many buildings still carry the oldest sealed units in the city; check whether the address falls inside the city's premiers-quartiers grant boundary. · Cap-de-la-Madeleine — an independent city until the 2002 merger and still legible as one. The Bas-du-Cap strip along Notre-Dame between the two rivers is two centuries of layered stock with its own municipal purchase-assistance program, while the streets north of the sanctuary are mid-century detached houses on wide lots. · Trois-Rivières-Ouest — the post-war suburban sector, merged in 2002. Bungalows, split-levels and 1970s–90s detached homes carrying original aluminum sliders and single-glazed picture windows in standard sizes; the cleanest quotes in the city and the least paperwork. · Sainte-Marthe-du-Cap and Saint-Louis-de-France — the smaller merged municipalities on the eastern and northern edges, largely detached housing from the 1970s onward with a rural fringe. The typical job is first-round replacement of builder-grade double glazing that has reached end of life. · Pointe-du-Lac — the western end on Lac Saint-Pierre, mixing year-round houses with cottages converted for winter use on exposed shoreline lots. Wind-driven rain off the lake justifies a higher design-pressure and water-penetration rating than an inland street needs, and the drive out thins the list of installers who will quote.
Why Hire a Local Window & Door Expert in Trois-Rivières?
Working with a local professional in Trois-Rivières 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 Trois-Rivières.
- 📋 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 Trois-Rivières
Local pros in Trois-Rivières 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 Trois-Rivières'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 Trois-Rivières, Quebec
Costs vary by material, size, style, and installation method. Typical Trois-Rivières 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 Trois-Rivières?
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 Trois-Rivières?
Yes. Submitting the quote form is completely free for homeowners, and your request goes to all featured companies in Trois-Rivières at once.
Do I need a permit to replace windows or doors in Trois-Rivières?
Trois-Rivières is stricter here than several of its Quebec neighbours, and it regularly catches homeowners out. The city requires a permis de construction for any "construction, agrandissement ou modification de bâtiment, quel que soit le montant des travaux" — regardless of what the job costs. The free déclaration de travaux, which exists to let light work start quickly, covers a defined list: kitchen cabinets, interior insulation and finishes, electrical panels and rewiring, plumbing fixtures, heating replacement, re-roofing, shed repairs, parking surfaces. Window and door replacement is not on that list. Assume you need the permit, apply before you order anything, and note the city's own posted warning that processing times are currently longer than normal because of application volume. Heritage adds a second layer, and in the founding core it adds a third. New construction and exterior renovation on any building inside a PIIA zone must be analysed by the comité consultatif d'urbanisme before a permit issues; expect scrutiny of materials, colours, divisions and profiles, and plan in months rather than weeks. Separately and older, the site patrimonial déclaré de Trois-Rivières was declared by the province in 1964 — among Quebec's earliest — and covers roughly 6.7 hectares and about fifty institutional and residential buildings in the 1634 founding core, alongside the sites patrimoniaux des Ursulines and des Récollets (the latter recognized in 2003). Work on a declared site falls under the Loi sur le patrimoine culturel and needs authorization from the Ministère de la Culture et des Communications in addition to the municipal permit. Verify your specific address with the city at 311 or 819-374-2002 before you sign, and confirm your contractor holds a valid RBQ licence.
What does it cost to replace windows in Trois-Rivières?
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.
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