Window World

What Window World does

Window World of St. Louis is a privately held, family-owned and operated franchise of the national Window World brand, headquartered at 3600 Rider Trail South in Earth City, Missouri. It sells and professionally installs replacement windows, entry/patio/French doors, and foam-insulated vinyl siding for residential homeowners across the St. Louis metropolitan area and adjacent Illinois counties, including St. Louis, St. Charles, Jefferson, Madison, and St. Clair counties.

The product platform is built around energy-efficient vinyl windows featuring Intercept Warm-Edge Spacers, argon gas fills, and double- or triple-pane glass, paired with vinyl siding offered in 6000, 4000, and 2000 Series tiers that include up to 1.5 inches of foam insulation. Products are custom-manufactured to order based on in-home measurements taken during sales consultations and installed by company-trained crews. Differentiation rests on Energy Star certification, the Good Housekeeping Seal, a Made in USA designation, a BBB A+ rating, and a limited lifetime transferable warranty.

Revenue is generated primarily through one-time project sales of windows, doors, and siding bundled with professional installation, supplemented by a financing offering provided through Wells Fargo Bank, N.A. that includes 0% APR for up to 36 months on qualifying purchases. Pricing is quote-based and not publicly disclosed; customers initiate contact via phone (800-GET-WINDOWS), website inquiry forms, or in-home estimates. Go-to-market is sales-led and direct-to-consumer, supported by a content-driven blog and local SEO targeting of named service cities. The customer base consists entirely of residential homeowners served in a fragmented, long-tail pattern.

Name

Window World

Legal name

Window World of St. Louis

Website

https://windowworldstlouis.com

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Window World of St. Louis is a privately held franchise selling and installing energy-efficient replacement windows, doors, and vinyl siding for residential homeowners across the St. Louis metro area and adjacent Illinois counties.

Ownership category

akta.pro rank

Product category

Residential Exterior Home Remodeling

NAICS

Glass and Glazing Contractors (238150), Siding Contractors (238170)

SIC

Retail-Home Furniture, Furnishings & Equipment Stores (5700), Glass Products, Made Of Purchased Glass (3231)

akta.pro primary industry

Window Replacement (Residential) (HSAPAJAA)

akta.pro secondary industries

Custom Window & Door Fabrication & Replacement (HSAPAJAI), Interior Door Replacement (Slab/Prehung) (HSAPAJAC)

Keywords

• Replacement windows
• Vinyl siding installation
• Entry doors
• Exterior home remodeling
• Energy efficient windows

Headquarters

HQ city

Earth City

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Window Replacement Sales: One-time purchase revenue from selling replacement windows to homeowners. Products are custom-manufactured to order based on in-home measurements and specifications.
2. Door Replacement Sales: Revenue from replacement entry doors, patio doors, and French doors. Products are custom-manufactured and professionally installed.
3. Vinyl Siding Sales: Revenue from vinyl siding products including 6000 Series, 4000 Series, and 2000 Series options with foam insulation.
4. Professional Installation Services: Installation services bundled with product purchases, handled by trained professional installers.
5. Financing Services: Partnership with Wells Fargo Bank for financing options including 0% APR for up to 36 months, enabling customers to afford higher-ticket purchases.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels3 records

Core offering

Window World of St. Louis sells and professionally installs custom-manufactured replacement windows (Double-Hung, Sliding, Casement, Awning, Bay & Bow, Custom-Shaped, Garden), entry/patio/French doors, and three tiers of vinyl siding for residential homeowners. The company operates a sales-led, direct-to-consumer model with free in-home consultations, measurements, custom manufacturing to order, and bundled installation, supported by 0% APR financing for up to 36 months through Wells Fargo and a lifetime limited transferable warranty.

Product overview

Window World of St. Louis is a home improvement company offering replacement windows, doors, and vinyl siding products. The company sells multiple window styles including Double-Hung, Sliding, Casement, Awning, Bay & Bow, Custom-Shaped, and Garden Windows. Door offerings include Entry Doors, Patio Doors, and French Doors. Siding products come in three series levels (6000, 4000, and 2000) with varying insulation and durability features. All products are professionally installed and backed by a limited lifetime warranty. The company positions itself as offering energy-efficient products designed to reduce utility costs while enhancing home comfort and curb appeal.

Differentiator

Problem solved

Functional benefit

Products and services

• Double-Hung Windows Traditional-style replacement window with two operable sashes that slide vertically, allowing ventilation from both the top and bottom; sold to residential homeowners and professionally installed to order.
• Sliding Windows Replacement windows with one or more panels that slide horizontally to open, suited to wider openings that cannot project into a room; sold and professionally installed for residential customers.
• Casement Windows Side-hinged replacement windows that crank open outward, providing ventilation and a tight seal when closed; sold and professionally installed for residential customers.
• Awning Windows Top-hinged replacement windows that open outward from the bottom, allowing ventilation during light rain; sold and professionally installed for residential customers.
• Bay & Bow Windows Multi-panel replacement windows that project outward from the home's exterior wall, creating additional interior space and panoramic views; sold and professionally installed for residential customers.
• Custom-Shaped Windows Tailored replacement windows manufactured in non-standard shapes to match unique architectural designs and homeowner preferences; sold and professionally installed for residential customers.
• Garden Windows Replacement windows that project outward with shelf space designed for displaying plants and admitting natural light; sold and professionally installed for residential customers.
• Entry Doors Exterior front doors combining curb appeal with lasting quality and protection, available in materials including fiberglass; sold and professionally installed for residential customers.
• Patio Doors Glass doors providing access to outdoor living spaces with sliding or swinging configurations; sold and professionally installed for residential customers.
• French Doors Double doors with glass panels that open wide to connect indoor and outdoor spaces with elegant styling; sold and professionally installed for residential customers.
• 6000 Series Siding Premium vinyl siding with up to 1.5 inches of foam insulation for maximum energy-efficiency protection and high impact resistance; sold and professionally installed for residential customers.
• 4000 Series Siding Mid-tier vinyl siding offering durability and energy efficiency with quality construction; sold and professionally installed for residential customers.
• 2000 Series Siding Entry-level vinyl siding providing essential protection and aesthetic enhancement for homes; sold and professionally installed for residential customers.
• Professional Installation Services Expert installation of replacement windows, doors, and siding by trained professional installers ensuring proper fit, sealing, removal of old products, and cleanup; provided to residential customers as part of every product purchase.

Quantifiable outcome

• Low-E glass can raise energy efficiency of individual windows by up to 24% year-round
• +4 more outcomes

Named customers3 records

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators2 records

Recent moves4 records

Expansion highlights4 records

Direct peers

• Renewal by Andersen: National franchise system selling custom-manufactured replacement windows and doors via in-home sales consultations. Directly comparable franchise-based, direct-to-consumer model focused on residential window/door replacement.
• Champion Window: Direct-to-consumer manufacturer and installer of replacement windows, doors, sunrooms, and siding with in-home sales. Closely comparable product breadth (windows, doors, siding) and consultative sales model.
• Feldco: Midwest-based replacement window, door, and siding company with in-home sales and direct installation. Closely comparable three-product offering and in-home consultation model in adjacent regional markets.
• Zen Windows: Franchise-based replacement window company with in-home sales and a focus on energy-efficient vinyl windows. Directly comparable single-product franchise model with consultative selling.

Broad incumbents

• Pella Windows and Doors: National replacement window and door manufacturer with both direct sales/showrooms and dealer/installer networks. Comparable product mix and brand-led replacement model, but at much larger scale and broader distribution.
• The Home Depot Installation Services: National home improvement retailer offering window, door, and siding installation via third-party contractors. Competes for the same residential replacement projects with brand-driven lead flow.
• Lowe's Installation Services: National home improvement retailer offering installed sales of windows, doors, and siding through its installer network. Competes head-to-head for the same residential exterior replacement jobs.
• Alside: Large national vinyl window and siding manufacturer supplying dealer/installer networks, including several franchise brands. Comparable vinyl window and siding product portfolio, distributed through independent dealer/installers.
• Simonton Windows: National vinyl window and patio door manufacturer with a strong replacement-window dealer network. Comparable vinyl replacement window offering sold through independent dealers/installers across the U.S.

Regional players

• Thompson Creek Window Company: Mid-Atlantic-focused replacement window, door, and siding company with direct in-home sales and factory-trained installers. Closely comparable three-product, in-home sales model in a different U.S. region.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/windowworldstl
• Facebookfacebook.com/WindowWorldStLouis
• LinkedInlinkedin.com/company/window-world-of-st.-louis-inc.

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Window World