Clera Windows + Doors
Clera Windows + Doors is a family-owned Canadian manufacturer and installer of custom vinyl windows and doors, founded in 1978 in Concord, Ontario, serving Ontario residential homeowners through 45+ company-owned sales and installation branches with vertically integrated design, manufacture, and installation.
- Company typePrivate
- Founded1978
- HeadquartersConcord, Canada
- Headcount51–100
- GTM typeB2C
- OfferingHardware or Manufacturing
What Clera Windows + Doors does
Clera Windows + Doors is a Canadian family-owned manufacturer and installer of custom vinyl (uPVC) windows and doors, founded in 1978 by Steve Mastrorillo and headquartered at 31 Pennsylvania Avenue in Concord, Ontario. The company operates a vertically integrated design–manufacture–install–service model and sells a full portfolio of vinyl window styles (Casement, Fixed/Picture, Awning, Double & Single Hung, Slider, End Vent Slider, Bay & Bow, and Specialty Shapes) plus Steel, Fiberglass, Sliding Patio, and Storm Doors, with a premium 2024 sub-brand called the Brilliance Line that bundles Pilkington Low-E glass, triple-fin anti-microbial weatherstripping, wet-glazed frames, and galvanized steel reinforcement. All products are ENERGY STAR certified and manufactured in Canada for Canadian climate conditions, and Clera backs them with a non-prorated and transferable lifetime warranty.
The business model is direct-to-consumer residential window and door replacement, executed through a 45+-branch Ontario sales and installation network that provides free in-home consultations via field sales representatives, with inside-sales support by phone and online contact forms. Revenue is generated primarily from one-time project sales plus installation services; pricing is quote-based (not publicly disclosed) and positioned as factory-direct with no middleman markup, marketed through seasonal promotions (up to 30% off, free Brilliance upgrades worth $600/window), government rebate leverage ($100/window and up to $40,000 interest-free loans), and Fairstone Financial installment financing including 18-month no-interest options. The stated headcount of 51-100 employees is materially inconsistent with 45+ branches and 300K+ cumulative customers served, implying heavy use of subcontracted installers, commissioned field reps, and/or under-reported W-2 headcount—a structural risk for an investor evaluating labor quality, scalability, and EBITDA conversion.
The target customer is Ontario residential homeowners seeking energy-efficient window or door replacements; the company has stated work with individual homeowners in markets including Muskoka, Ottawa, and Concord, holds a 4.7/5 HomeStars rating (9.2/10 on a parallel scale), is a 16x HomeStars Winner, and maintains an A+ BBB rating. There are no enterprise, commercial, new-construction, or multi-family customers disclosed—revenue is entirely concentrated in fragmented residential replacement demand within a single Canadian province, and there is no disclosed institutional ownership, parent company, or M&A activity.
Clera Windows + Doors firmographics
Firmographics- Name
- Clera Windows + Doors
- Legal name
- Clera Windows + Doors
- Website
- https://clerawindows.com
- Company type
- Private
- Founded year
- 1978
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Clera Windows + Doors is a family-owned Canadian manufacturer and installer of custom vinyl windows and doors, founded in 1978 in Concord, Ontario, serving Ontario residential homeowners through 45+ company-owned sales and installation branches with vertically integrated design, manufacture, and installation.
- Ownership category
- akta.pro rank
Clera Windows + Doors industry classification
Industry- Product category
- Residential Windows and Doors Manufacturing
- NAICS
- Metal Window and Door Manufacturing (332321), Glass and Glazing Contractors (238150)
- SIC
- Metal Doors, Sash, Frames, Moldings & Trim (3442), Glass Products, Made Of Purchased Glass (3231)
- akta.pro primary industry
- Windows (IMADAIAC)
- akta.pro secondary industry
- Exterior Doors (IMADAIAA)
Keywords
Where Clera Windows + Doors is headquartered
LocationHeadquarters
- HQ city
- Concord
- HQ country
- Canada
- HQ region
- North America
Offices2 records
Markets served
Clera Windows + Doors business model
Business model- GTM type
- B2C
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Operations, Marketing or Sales, Infrastructure
Revenue model
- Custom Windows and Doors Sales: One-time product sales of custom-manufactured vinyl windows and doors to residential homeowners. The company designs, manufactures, and installs all products directly. Products include casement, hung, slider, fixed, awning, bay/bow, specialty shape windows, and steel, fiberglass, and sliding patio doors.
- Installation Services: Professional installation services included as part of the product offering, managed by certified factory-trained technicians. The company handles the complete replacement project from start to finish.
- Financing Services: Partnership with Fairstone Financial to provide financing options including no interest, no payments for 18 months promotional periods, enabling customers to afford higher-value projects.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Factory-Direct Pricing |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels7 records
Clera Windows + Doors product offering
Product offeringCore offering
Clera Windows + Doors designs, manufactures, and installs custom vinyl windows and entry/patio/storm doors for residential homeowners. Operating from its Concord, Ontario manufacturing facility and supported by 45+ sales and installation offices across Ontario, the company sells directly to consumers and serves more than 300,000 customers.
Product overview
Clera Windows + Doors is a Canadian family-owned manufacturer and installer of custom vinyl windows and doors, operating since 1978. The product portfolio centers on vinyl (PVC/UPVC) windows offered in multiple styles—Casement, Hung, Slider, Fixed/Picture, Awning, Bay & Bow, and Specialty Shapes—alongside entry doors in Steel, Fiberglass, and Glass/Sliding configurations, plus Storm Doors. The company also offers a premium sub-brand called the Brilliance Line, marketed as their most upgraded window ever made. Clera provides end-to-end service including manufacturing, professional installation, financing options, and a lifetime warranty. Their windows feature technologies including Pilkington Low-E Glass, triple-fin weatherstripping with anti-microbial properties, and wet-glazed frames. All products are manufactured in Canada with over 45 sales and installation offices across Ontario.
Differentiator
Problem solved
Functional benefit
Brands
- Brilliance Line: The most upgraded window line offered by Clera, available in all window styles, featuring premium upgrades and features.
Products and services
- Casement Windows Custom-manufactured vinyl casement windows designed for residential homeowners replacing or upgrading existing windows in Ontario homes.
- Fixed/Picture Windows Custom-manufactured non-operable vinyl picture windows for residential applications where large unobstructed glazing is desired.
- Awning Windows Custom-manufactured vinyl awning windows for residential homeowners, hinged at the top for outward opening ventilation.
- Double and Single Hung Windows Custom-manufactured vinyl double-hung and single-hung windows for residential homeowners, with vertically operable sashes.
- Double and Single Slider Windows Custom-manufactured vinyl slider windows for residential homeowners, with horizontally operable sashes.
- End Vent Slider Windows Custom-manufactured vinyl end vent slider windows combining fixed center glass with operable end vents for residential use.
- Bay and Bow Windows Custom-manufactured vinyl bay and bow window assemblies for residential homeowners seeking projecting window configurations.
- Specialty Shape Windows Custom-fabricated vinyl windows in non-standard geometric shapes for residential homeowners with unique architectural openings.
- Steel Entry Doors Steel exterior entry doors manufactured and sold by Clera to Ontario residential homeowners for primary entry applications.
- Fiberglass Entry Doors Fiberglass exterior entry doors manufactured and sold by Clera to Ontario residential homeowners as a durable alternative to steel or wood.
- Glass/Sliding Patio Doors Glass sliding patio doors manufactured and sold by Clera to Ontario residential homeowners for patio and deck access.
- Storm Doors Storm doors manufactured and sold by Clera to Ontario residential homeowners to protect primary entry doors and improve energy efficiency.
- Brilliance Line Windows and Doors Premium-tier line of Clera windows and doors launched in 2024, positioned above the standard catalog for Ontario residential homeowners seeking upgraded aesthetics and finishes.
Quantifiable outcome
- Up to 30% savings on replacement windows and doors through factory-direct pricing
- +3 more outcomes
Companies that use Clera Windows + Doors
Customer profileNamed customers5 records
Segments1 record
Ideal customer profiles1 record
Clera Windows + Doors technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature6 records
Clera Windows + Doors partnerships and signals
Strategic signalScale indicators8 records
Recent moves5 records
Expansion highlights5 records
Clera Windows + Doors competitors and assessment
Company assessmentBroad incumbents
- Marvin: Long-established North American window and door manufacturer serving both replacement and new construction markets. Overlaps with Clera’s premium window positioning with comparable customization and warranty offerings.
- Window World: Largest U.S. replacement window franchise operation with national marketing and direct homeowner sales. Comparable D2C replacement-only model and energy-efficient product positioning to Clera’s installation-centric approach.
- JELD-WEN: Global manufacturer of windows, doors, and related building products. Comparable across categories — vinyl, wood, fibreglass, steel — with both manufacturing and distribution through dealers and home centers.
- Andersen Windows & Doors: One of North America’s largest window and door manufacturers with broad material coverage and an established dealer network. Comparable replacement-product positioning with national reach and ENERGY STAR-rated lines.
- Pella Corporation: Major U.S.-based window and door manufacturer with a full replacement-services business line operating in Canada. Overlaps in vinyl/fibreglass/wood product portfolio and direct-sales installation motion.
Direct peers
- MI Windows and Doors: U.S.-based vinyl window and patio door manufacturer selling through dealers and direct channels. Closely comparable in product (vinyl replacement windows, sliding patio doors) and replacement-market go-to-market.
- Ply Gem: Large North American manufacturer of vinyl windows, siding, and doors serving residential replacement and new construction. Direct category overlap in vinyl window manufacturing and dealer/distributor-led sales.
- Renewal by Andersen: National replacement window and door franchise subsidiary of Andersen Corporation. Closely comparable D2C consultative field-sales, in-home selling, and full-service installation model targeting homeowners.
- All Weather Windows: Canadian manufacturer of vinyl windows, aluminum windows, and doors serving Western Canada. Comparable vertically integrated manufacturing with comparable ENERGY STAR-focused product positioning for cold climates.
Regional players
- Brock Doors and Windows: Ontario-based manufacturer and installer of vinyl windows and doors serving the Ontario/Canadian market. Closely comparable regional competitor in product mix, customer segment, and vertically integrated direct-sales model.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
Clera Windows + Doors social profiles
Digital presenceClera Windows + Doors compliance and trust
Trust signalCompliance4 records
Clera Windows + Doors financial estimates
Financial estimateRevenue estimate
Valuation estimate
Clera Windows + Doors leadership team
Management profileNumber of profiles
Profiles1 record
Clera Windows + Doors funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Clera Windows + Doors M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Clera Windows + Doors
What does Clera Windows + Doors do?
Clera Windows + Doors designs, manufactures, and installs custom vinyl windows and entry/patio/storm doors for residential homeowners. Operating from its Concord, Ontario manufacturing facility and supported by 45+ sales and installation offices across Ontario, the company sells directly to consumers and serves more than 300,000 customers.
Is Clera Windows + Doors a public or private company?
Clera Windows + Doors is a private company. It is classified as family owned and is currently operating.
When was Clera Windows + Doors founded?
Clera Windows + Doors was founded in 1978. It employs 51 to 100 people.
Where is Clera Windows + Doors based?
Clera Windows + Doors is headquartered in Concord, Canada, in the North America region.
How does Clera Windows + Doors make money?
Three revenue lines are on record. Custom Windows and Doors Sales are the primary driver. The others are installation Services and financing Services.
Who are Clera Windows + Doors's main competitors?
Broad incumbents on record are Marvin, Window World, JELD-WEN, Andersen Windows & Doors and Pella Corporation. Direct peers are MI Windows and Doors, Ply Gem, Renewal by Andersen and All Weather Windows. Brock Doors and Windows is listed as a regional player.
Does Clera Windows + Doors have an API?
No public API is recorded for Clera Windows + Doors.
What industry is Clera Windows + Doors in?
Clera Windows + Doors's product category is Residential Windows and Doors Manufacturing. Its primary akta.pro industry code is IMADAIAC, Windows, with a secondary code of IMADAIAA, Exterior Doors. Its NAICS code is 332321 and its SIC code is 3442.