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www.internorm.com

Traun, Upper Austria, Austria

Internorm is Austria-based, Europe’s leading window and door brand delivering high-performance, design-driven solutions worldwide.

Internorm is Austria-based, Europe’s leading window and door brand delivering high-performance, design-driven solutions for homes and commercial projects worldwide. The company designs, manufactures and supplies a broad range of windows and entrance doors across multiple materials, combining secure, energy-efficient performance with contemporary aesthetics. Internorm operates three high-tech production sites in Austria and distributes its products exclusively through a global network of carefully selected partners, ensuring local service and expertise. The company emphasizes sustainability and quality through in-house research and development, proprietary extrusion and glass production, and extensive service programs. Its design language spans multiple styles to suit varied architectural tastes, from modern, minimalist lines to timeless elegance, and it provides resources for architects and builders including design guidance, catalogs and partner networks. Internorm commits to long-term customer relationships, offering advice, maintenance and aftercare through its service platforms and partner ecosystem. The company positions itself as a complete solution provider for windows and doors, combining safety, comfort, and energy efficiency with durable, aesthetically-pleasing products and a focus on European and international markets.

Mission statement

To design and manufacture high-quality, energy-efficient windows and doors that enhance comfort, security and living experience for customers while delivering reliable service through a network of trusted partners.

Products & Services

Windows Product

High-quality, energy-efficient windows designed to fit any architectural style.

www.internorm.com/en-us/products/windows
  • ✓ Design styles — Provides Tailored Design Options
  • ✓ Security and energy efficiency — Ensures Safety and Saves Energy
  • ✓ Passivhaus certification — Supports Sustainable Building
  • ✓ Integrated blinds — Enhances Comfort and Privacy
  • ✓ Window materials — Offers Material Versatility
  • ✓ Window accessories — Allows Personal Customization
  • ✓ I-tec Glazing — Enhances Stability and Insulation

Entrance Doors Product

Custom-designed entrance doors offering high security and style for every home.

www.internorm.com/en-us/products/doors
  • ✓ Security hardware — Ensure Maximum Security
  • ✓ Door designer — Create Custom Designs
  • ✓ Design styles — Choose Unique Styles
  • ✓ Materials variety — Select High-Quality Materials
  • ✓ Weather resistance — Resist All Weather

I-tec Innovations Product

Enhance comfort and security with innovative I-tec technologies for windows and doors.

www.internorm.com/en-us/products/i-tec-innovations
  • ✓ I-tec Secure — Provides Maximum Burglary Protection
  • ✓ I-tec Shading — Eliminates Energy Costs
  • ✓ I-tec Insulation — Improves Thermal Efficiency
  • ✓ I-tec Connect — Enables Smart Home Integration
  • ✓ I-tec Open — Simplifies Access for Everyone
  • ✓ I-tec Decor — Offers Personalized Aesthetics

Burglary Protection Product

Enhance your home security with advanced burglary protection solutions from Internorm.

www.internorm.com/en-us/products/burglary-protection
  • ✓ RC2/RC3 Options — Offers Flexible Security Levels
  • ✓ I-tec Glazing — Enhances Glass Panel Security
  • ✓ Frame Integrated Locking — Enhances Security And Simplifies Maintenance
  • ✓ Standard Security Measures — Ensures Basic Protection

Market Segments

Billion USD 0 20 40 60 80 100 Passive house a… Burglary-resist… Smart and conne… Design-led cust… Market Size (Billion USD)
0% 1% 2% 3% 4% 5% 6% 7% 8% 9% 10% 11% 12% 13% 14% CAGR Growth Potential

Passive house and energy-efficient fenestration

Products and components designed to meet Passivhaus and low-energy building standards by maximizing insulation, minimizing thermal bridging and reducing heating and cooling demand.

Market size: $100.0B CAGR: 11%
Estimation synthesizes published passive-house and energy-efficient building reports in the search results. StrategicMarketResearch reports a global passive house market value of USD 84.6B (2024) with a 9.8% CAGR; GrowthMarketReports reports USD 122.5B (2025) with an 11.5% CAGR. Fortune Business Insights gives the broader energy-efficient building market at USD 36.07B (2025) with ~11.3% CAGR. Combining these documented passive-house valuations, component importance (fenestration/windows), and reported CAGRs yields a consolidated market-size estimate of roughly USD 100B and a growth potential near 11% CAGR (global, medium-term).
TH GL TH 3 references

Burglary-resistant windows and doors

Hardware, frame-integrated locking and glazing systems engineered to comply with RC2/RC3 security classes and resist forced entry for enhanced occupant safety.

Market size: $9.4B CAGR: 5.5%
Estimation based on a specialized security-window market figure (USD 5.49B in 2025, CAGR ~5.5%) and scaling to include doors using broader market context. Global windows & doors market estimates (USD ~203–211B in 2025) and the doors market ($163.16B in 2025) indicate security/burglary-resistant products are a small, fast-growing niche. I used the explicit security-window value as the core subsegment and added an estimated security-door component (~70% of the security-window market) to produce a combined burglary-resistant windows+doors market ≈ USD 9.4B in 2025, with growth potential aligned to the security-window CAGR (~5.5%), which exceeds the overall windows & doors sector CAGR (~4.2–4.4%).
TH TH DO TH 4 references

Smart and connected fenestration

Integrated control hubs, sensors and automated shading and access features that enable remote control, building connectivity and automated comfort and security functions.

Market size: $10.0B CAGR: 11%
Used focused market figures for smart glazing as a baseline and scaled to include motorized coverings, sensors, motors, control hubs and integration services. Coherent Market Insights estimates the smart window market at US$6.93B (2026); adding adjacent categories (motorized shades, control hardware, sensors, integration and retrofit services) and demand driven by larger smart-building (USD143B in 2025) and smart-home (USD113.4B in 2025) markets supports a total smart & connected fenestration TAM of roughly USD10B today. Growth potential is anchored to smart-window CAGRs (~9.8–9.9%) with incremental upside from increased building- and home-level integration, yielding an estimated CAGR ~11% for the fenestration segment.
GL TH TH SM 4 references

Design-led custom fenestration for architects and builders

Design customization, digital printing, multi-material finishes and online configurators that support architectural specifications and aesthetic integration in residential and commercial projects.

Market size: $6.0B CAGR: 7.5%
Anchored to explicit regional façade/fenestration data (India US$2.86B in 2023) and large construction/architectural services markets, I scaled to a global premium, design-led custom fenestration niche. Assumed global façade/fenestration is multiple times the Indian market and that high-end, architect-specified custom fenestration represents roughly 10–15% of that fenestration/facade demand. Growth expectation (≈7.5% CAGR) is aligned with the Indian façade CAGR (7.18%) and adjacent building-design product trends (architectural lighting/LED markets showing mid-single to low-double digit CAGRs).
IN TH AR AR 4 references

Ideal Customer Profiles

Premium European Homes

European luxury residences seeking energy efficiency and security.

Luxury Homeowner

Enhance comfort, curb appeal, and property value

Architect

Deliver high-end designs that meet energy targets

General Contractor

On-time project delivery, minimal rework

Architects And Specifiers

Design professionals who specify high-performance fenestration for luxury and commercial projects.

Senior Architect

Deliver high-end designs that meet energy standards

Facade Engineer

Ensure envelope performs to spec

Procurement Manager

Fast, compliant procurement

Commercial And Institutional Clients

Owners and operators of commercial buildings seeking durable, energy-efficient fenestration.

Facilities Director

Reduce operating costs, ensure reliability

Project Manager

Deliver project on time and budget

Building Owner

Maximize ROI, sustainability targets

Related Organizations

Organizations in the same market segments as Internorm.

Aluprof SA

Global aluminum building systems company delivering innovative, sustainable window, door, and facade solutions.
Shelforce

Shelforce is a UK-based window and door manufacturer and installer that champions inclusive employment and serves local authorities, housing and education projects.

Common Questions

What does Internorm do?
Internorm is Austria-based, Europe’s leading window and door brand delivering high-performance, design-driven solutions for homes and commercial projects worldwide. The company designs, manufactures and supplies a broad range of windows and entrance doors across multiple materials, combining secure, energy-efficient performance with contemporary aesthetics. Internorm operates three high-tech production sites in Austria and distributes its products exclusively through a global network of carefully selected partners, ensuring local service and expertise. The company emphasizes sustainability and quality through in-house research and development, proprietary extrusion and glass production, and extensive service programs. Its design language spans multiple styles to suit varied architectural tastes, from modern, minimalist lines to timeless elegance, and it provides resources for architects and builders including design guidance, catalogs and partner networks. Internorm commits to long-term customer relationships, offering advice, maintenance and aftercare through its service platforms and partner ecosystem. The company positions itself as a complete solution provider for windows and doors, combining safety, comfort, and energy efficiency with durable, aesthetically-pleasing products and a focus on European and international markets.
What problems does Internorm solve for Premium European Homes?
Energy loss, security concerns, design constraints, long lead times
What problems does Internorm solve for Architects And Specifiers?
Difficulty in selecting reliable, code-compliant fenestration; coordinating with builders; ensuring integration with smart systems
What is Internorm's role in the Passive house and energy-efficient fenestration market?
Products and components designed to meet Passivhaus and low-energy building standards by maximizing insulation, minimizing thermal bridging and reducing heating and cooling demand.
What is Internorm's role in the Burglary-resistant windows and doors market?
Hardware, frame-integrated locking and glazing systems engineered to comply with RC2/RC3 security classes and resist forced entry for enhanced occupant safety.
How was the Passive house and energy-efficient fenestration market size estimate for Internorm calculated?
Estimation synthesizes published passive-house and energy-efficient building reports in the search results. StrategicMarketResearch reports a global passive house market value of USD 84.6B (2024) with a 9.8% CAGR; GrowthMarketReports reports USD 122.5B (2025) with an 11.5% CAGR. Fortune Business Insights gives the broader energy-efficient building market at USD 36.07B (2025) with ~11.3% CAGR. Combining these documented passive-house valuations, component importance (fenestration/windows), and reported CAGRs yields a consolidated market-size estimate of roughly USD 100B and a growth potential near 11% CAGR (global, medium-term).
How was the Burglary-resistant windows and doors market size estimate for Internorm calculated?
Estimation based on a specialized security-window market figure (USD 5.49B in 2025, CAGR ~5.5%) and scaling to include doors using broader market context. Global windows & doors market estimates (USD ~203–211B in 2025) and the doors market ($163.16B in 2025) indicate security/burglary-resistant products are a small, fast-growing niche. I used the explicit security-window value as the core subsegment and added an estimated security-door component (~70% of the security-window market) to produce a combined burglary-resistant windows+doors market ≈ USD 9.4B in 2025, with growth potential aligned to the security-window CAGR (~5.5%), which exceeds the overall windows & doors sector CAGR (~4.2–4.4%).
Internorm — company overview

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