America’s Only Aftermarket Wood Sash Manufacturer Is Looking for a Growth Partner
Fenster Components has spent 25 years building a product category that doesn’t exist anywhere else. A proven manufacturing platform. A tested local service model. A $18 billion addressable market with zero direct competition.
What’s missing is a capital partner to help scale it nationally.
YEARS IN OPERATION
US WINDOW MARKET
WINDOW MODELS
DIRECT COMPETITORS
%
CUSTOMER SAVINGS
THE INVESTMENT THESIS
A Category Creator Ready to Scale
Fenster Components is the only company in America manufacturing true aftermarket replacement sashes for wood windows. When a homeowner’s wood sash rots, the seal fails, or the glass fogs, they face a binary choice today: spend $700 to $1,500 per window for a full replacement, or live with the problem. Fenster created a third option that saves homeowners 50-70%.
The company manufactures hand-built replica sashes compatible with major legacy brands like Caradco, Malta, MW, Norco, Pozzi, and Rockwell. These sashes drop into existing window frames with no tear-out, no drywall work, and no disruption. The product ships nationwide today through the Fenster direct-to-consumer channel.
What makes this opportunity unique is the combination of a proven product, a validated local service model, and a massive unserved market. Fenster previously operated a local installation division under the ReWindow brand in Central Indiana. It worked. Production demand grew so fast that the factory couldn’t keep up with both manufacturing and local install. The install division was closed to prioritize production.
The install model is proven. The manufacturing capability exists. The market is enormous and growing. What’s needed now is a strategic partner who can help build the infrastructure to take this national, whether through franchising, licensing, dealer networks, or a combination.
Why This Matters Now
- 40+ million homes built between 1980 and 2005 used clad or painted wood windows now reaching failure age
- Homeowners locked into low mortgage rates are investing in repair over replacement
- The R&R segment of the window market is outpacing new construction growth
- Wood window frames account for 23%+ of the $18B U.S. window market
- Many vinyl windows from the same era are failing even faster, expanding the serviceable market
- No other company manufactures an aftermarket replica sash at scale
The Numbers Behind the Opportunity
The U.S. window market is large, growing, and structurally underserved in the repair segment. These numbers tell the story.
Projected U.S. window market by 2033, growing at 3.6% CAGR
U.S. window installation industry market size as of 2025
Professional window replacement market, projected stable through 2025
Homes built 1980-2005 with wood windows now reaching failure age
The window replacement industry pushes full-frame replacement as the default. The average homeowner pays $700 to $1,500 per window, and a whole-home project routinely exceeds $15,000. Most of that cost covers labor, tear-out, drywall, painting, and trim work that sash-only replacement eliminates entirely.
Fenster’s model bypasses that. By replacing only the failed sash, the installed cost drops to an estimated $250-$500 per window. The homeowner gets a factory-built product with modern glass technology and a 10-year warranty. The existing frame stays intact. For homes built in the 1980s through early 2000s, where the frame is typically sound but the sash has failed, this is the right solution at the right time.
THE VISION
What Growth Could Look Like
With the right partnership, the path from proven local model to national presence has clear phases. Here’s how it could unfold.
PHASE 1 — FOUNDATION
Formalize the Model
Build the infrastructure needed to replicate the ReWindow service model in new markets.
- Develop franchise/dealer/licensing structure
- Document operations, training, and brand standards
- Create legal framework (FDD if franchising)
- Establish franchise pricing and territory mapping
- Build marketing playbook and lead generation systems
Phase 2 — Prove & Iterate
Launch Pilot Markets
Open 3-5 initial territories to validate the model, refine unit economics, and build case studies.
- Develop franchise/dealer/licensing structure
- Document operations, training, and brand standards
- Create legal framework (FDD if franchising)
- Establish franchise pricing and territory mapping
- Build marketing playbook and lead generation systems
Phase 3 — Scale
Expand Nationally
Roll the proven model into high-potential markets across the U.S. using the validated playbook.
- Target metro areas with highest concentration of 1980-2005 housing
- Scale factory production to meet multi-market demand
- Build regional support infrastructure
- Develop national brand awareness
- Explore adjacent product and service opportunities
THE PLATFORM
TWO BRANDS. ONE ECOSYSTEM.
Fenster and ReWindow are two sides of the same business. Together, they form the foundation for a scalable national model.
Fenster Components
The Manufacturing Engine
The factory. The product. The 25-year head start. Fenster manufactures aftermarket replacement sashes compatible with 50+ legacy wood window brands. Every sash is built by hand in Noblesville, Indiana, and ships nationwide.
- Custom sash manufacturing for casement and double-hung windows
- Compatible with Caradco, Malta, MW, Norco, Pozzi, Rockwell, and more
- Direct-to-consumer e-commerce already operational
- Hardware, jamb liners, balance kits, and glass repair
- 10-year factory warranty on all products
- BBB accredited, family-owned since day one
ReWindow
The Local Service Brand
The customer-facing brand. ReWindow was Fenster’s installation arm in Central Indiana, proving that a local sash replacement service could generate strong demand, high customer satisfaction, and repeat referral business.
- Proven local service model tested in Central Indiana market
- Consumer-friendly brand built around the “repair, not replace” message
- Established website, marketing assets, and local SEO footprint
- Service area pages, testimonials, and referral system in place
- Installation division closed due to production demand, not lack of market
The Connection
Fenster makes the product. ReWindow (or a new franchise/dealer brand) delivers the local customer experience. A strategic partner helps build the bridge between them at national scale.
COMPETITIVE POSITION
Why Nobody Else Does This
Fenster occupies a unique position. This table shows where it sits relative to the alternatives homeowners face today.
UNIT ECONOMICS
The Customer Value Proposition Sells Itself
When you save someone $10,000, the conversation changes. This is the math that drives every customer interaction.
TRADITIONAL FULL REPLACEMENT
$14,000 – $30,000
20-window home. Full tear-out, new frames, drywall, painting, trim. Multiple days of disruption.
Fenster Sash Replacement (Installed)
$5,000 – $10,000
Same 20-window home. Sash-only replacement. Same-day install. No tear-out. 10-year factory warranty.
$9,000 – $20,000 saved per project.
That’s the story every local operator tells. The product creates its own demand because the value proposition is obvious to every homeowner who hears it.
MARKET VALIDATION
Real Customers. Real Results.
These are actual Fenster customer testimonials from the existing direct-to-consumer and ReWindow install channels.
I wanted to tell you how pleased I am with your Malta window replacement components. Every piece fit perfectly and you saved me over 10K in window replacement costs. I still can’t believe I found this solution.
I purchased 13 sashes. The sashes fit well, look good, and the installation was excellent. These 13 are phase one for our home. We won’t hesitate to order the next round.
The windows look beautiful. I can’t get used to being able to open them. You did a really nice job and have been an absolute pleasure to work with. Thanks for thinking of everything.
LET’S TALK
The product exists.
The market exists.
The Proof exists.
The Partner doesn’t.
Yet.
Fenster is looking for a strategic partner, investor, or corporate collaborator who can help build the franchise infrastructure, fund the expansion, and bring this model to markets nationwide. This is a ground-floor opportunity with a 25-year head start.
What a partner brings
Capital to build franchise/dealer infrastructure and legal framework
Experience in franchise development, licensing, or dealer networks
Operational expertise to scale manufacturing alongside market growth
Marketing and brand-building capability for national reach
Strategic vision aligned with Fenster’s values of quality and integrity
Interested in becoming a
Franchise owner?
We’re not offering franchise territories today. But we’re building toward it. If you’d like to be among the first to know when opportunities open, register your interest below.
ReWindow Franchise | Powered by Fenster Components
A Division of Schwartz Enterprises, Inc. • 15350 Herriman Blvd, Noblesville, IN 46060
This is not a franchise offering. A franchise offering can only be made through the delivery of a Franchise Disclosure Document (FDD). Contact Fenster Components for current availability and terms.