Windows are more than merely functional openings; they define a building’s character, enhance comfort, and influence energy efficiency. When selecting a European window manufacturer, a number of aspects, including material quality, energy efficiency, innovative design, and brand reputation, are often taken into account by homeowners, architects, and builders.
The window manufacturing industry in Europe has developed into a center of innovation, combining modern technology with traditional craft to satisfy the changing environmental and architectural requirements. The market comprises different options from stylish aluminum frames to environmentally friendly timber and energy-efficient uPVC.
In this article, we explore 15 of the best European window manufacturers in 2025.
The Best European Window Manufacturers: An Overview
The following is a brief overview of 15 best European window manufacturers, highlighting their location, strength, clientele, certifications, and online presence.
| Manufacturer | Location | Strengths | Main Products | Best For | Certifications | Website |
| Schüco | Bielefeld, Germany. | Strong R&D and innovation Broad material portfolio Energy Efficiency | Window Systems Door Systems Façade systems Sun shading | Architects and developers Homeowners Wholesalers | Cradle to Cradle Certified LEED BREEAM DGNB | https://www.schueco.com/ |
| VEKA | Sendenhorst, Germany | Durability and Sustainability Comprehensive Product Range Energy efficiency | Window Systems uPVC Profile Systems Door Systems Roller shutters | Window fabricators Contractors Homeowners | N/A | https://www.veka.com/ |
| Hotian | Hefei, Anhui, China | Broad material types Customisation ability Solid export capacity Recognized quality systems | Window Systems Door Systems | Developers Homeowners Wholesalers | NFRC NAMI | https://hotianwindows.com/ |
| Reynaers | Duffel, Belgium | Strong sustainability credentials Architectural Appeal Excellent quality systems | Window Systems Door Systems Façade/curtain wall systems Sliding / folding systems Sun‐screening | Architects Developers Homeowners | Cradle to Cradle certified ASI | https://www.reynaers.com/ |
| Finstral | South Tyrol, Italy | Versatility and Customization Energy Efficiency | Windows solutions Entrance doors Sliding / folding systems | Developers Wholesalers Homeowners | ift (Institut für Fenstertechnik) | https://www.finstral.com/en/ |
| Kömmerling | Pirmasens, Germany | High-quality PVC-U systems Broad Product Range | Window Systems Door Systems Shutter Systems | Architects Developers Homeowners | N/A | https://www.koemmerling.com/en/ |
| Inwido | Malmö, Sweden | Customization Broad material portfolio | Windows Doors Accessories | Developers Homeowners | N/A | https://www.inwido.com/ |
| CORTIZO | Galicia, Spain | Full integration of the manufacturing process Aesthetic flexibility | Window Systems Door Systems Façade/curtain wall systems, | Architects/developers Homeowners | EPDs Passivhaus Institute certifications | http://www.cortizo.com/ |
| Aliplast Aluminium Systems | Lokeren, Belgium | Quality Control Durability and Aesthetics Energy Efficiency | Aluminum profile systems for windows, doors, sliding systems, and folding walls. | Architects/ Developers Homeowners | Cradle to Cradle Certified | https://www.aliplast.com/ |
| Gealan | Oberkotzau, Germany | Strong thermal insulation Excellent design flexibility | Profile systems for windows, doors, lift & slide / sliding elements. | Manufacturers Distributors Architects Homeowners | ISCC PLUS ISO 9001 ISO 14001 ISO 50001 IATF 16949 | https://www.gealan.de/en/ |
| Rehau | Muri, Switzerland | Strong thermal performance Energy efficiency and sustainability Customization | Window and door systems Hardware | Homeowners Architects | Compliance with European standards | https://window.rehau.com/uk-en |
| Oknoplast | Kraków, Poland | Strong innovation record Diversified product portfolio | Windows & doors External roller shutters Accessories | Dealers Archidects Homeowners | ISO 14001CEKALIFT RosenheimISO 9001HVHZ | https://oknoplast.com/ |
| Salamander | Türkheim, Unterallgäu, Germany | High energy efficiency Wide design flexibility | uPVC windows and doors profile systems Special glazing options | Architects Homeowners Wholesalers | VinylPlus ISO 9001 IQNet ISO 50001 | https://salamander-windows.com/ |
| Internorm | Austria | In-house, high-tech manufacturing Design flexibility | Window and door profile systems Accessories | DistributorsArchitects Homeowners | N/A | https://www.internorm.com/en-int/ |
| Deceuninck | Hooglede-Gits, Belgium | Insulation and thermal performance Good quality control | Window & door systems Building profiles, cladding & decking Ancillary products | Architects Developers ContractorsHomeowners | SBTi | https://www.deceuninck.com/ |
Schüco
Schüco is recognized as one of the leading names in the global window and façade industry. The brand is particularly renowned for its cutting-edge aluminum, steel, and PVC-U products, which include windows, doors, and facades. The window manufacturer’s solutions often combine aesthetics, durability, and high energy efficiency.
Their systems are carefully designed to meet demanding performance criteria, often exceeding standard requirements for thermal insulation and weather resistance.
Company Type: Manufacturer
Location: Bielefeld, Germany.
Products Offered: Window, Door and Façade systems, Sun shading
Services Provided: Manufacturing, Customization, Installation
Quality Standards and Certifications: Cradle to Cradle Certified, LEED, BREEAM, DGNB
Business Partnerships: Architects, developers and homeowners
Bottom Line: Schuco is perfect for high-end residential and commercial buildings that value sustainability and innovative design. Their comprehensive approach, from design to after-sales, provides both quality and carbon neutrality. Premium pricing may inhibit cost-conscious projects.
Website: https://www.schueco.com/
Veka
VEKA is one of the best European window manufacturers of uPVC window and door profile systems worldwide. Since its founding in 1969, the company has grown into a global group with subsidiaries and production facilities across Europe, the Americas, and Asia.
VEKA is renowned for producing quality Class-A profiles that prioritize ease of fabrication, energy efficiency, and durability.
Company Type: Manufacturer
Location: Sendenhorst, Germany
Products Offered: Window Systems, uPVC Profile Systems, Door Systems, Roller shutters
Services Provided: Manufacturing, Customization, Installation
Quality Standards and Certifications: None Indicated
Business Partnerships: Window fabricators, contractors and homeowners
Bottom Line: VEKA is ideal for residential and commercial construction that requires long-lasting, energy-efficient, low-maintenance windows. Their comprehensive approach, from design to after-sales, provides both quality and carbon neutrality. Not suitable for ultra-budget or custom-exotic aesthetic projects that prioritize price or unique shapes.
Website: https://www.veka.com/
Hotian
Hotian is a Chinese manufacturer specialising in windows and doors made from uPVC, aluminium, steel, wood, and iron glass.The company prioritizes a full-service approach, handling everything from internal manufacturing to product design.
Hotian’s product range includes European-style PVC windows, sliding and casement aluminium windows, steel security and decorative doors, as well as wooden doors.
Focusing on a worldwide market, Hotian provides a wide variety of products that are suited to international standards. This manufacturer serves both domestic and international markets, exporting to North America, Europe, Australia, Africa and Asia.
Company Type: Manufacturer
Location: Hefei, Anhui, China
Products Offered: Window and Door Systems
Services Provided: Project consultation, manufacturing, customization, packaging and distribution
Quality Standards and Certifications: NFRC, NAMI
Business Partnerships: Wholesalers, contractors/developers and homeowners
Bottom Line: Hotian is ideal for household or commercial projects requiring a bespoke, mid-to-high grade window and door solution. This company provides a diverse product line, complete customisation, competitive price, and global standards compliance.
Website: https://hotianwindows.com/
Reynaers
Reynaers Aluminium is a leading specialist in sustainable aluminium systems for windows, doors, and facades. Their products are highly favored by architects for their minimalist design and ability to create large, transparent surfaces that maximize natural light.
Reynaers is renowned for providing high-performance solutions for both residential and commercial buildings that are remarkable in terms of weather resistance, security, and thermal insulation. Its products are widely recognized for sleek design, high thermal insulation, and durability.
Company Type: Manufacturer
Location: Duffel, Belgium
Products Offered: Window Systems, Door Systems, Façade/curtain wall systems, Sliding / folding systems, Sun‐screening
Services Provided: Manufacturing, Customization, Installation
Quality Standards and Certifications: Cradle to Cradle certified, ASI
Business Partnerships: Architects, developers and homeowners
Bottom Line: Reynaers provides outstanding design versatility, sustainability, and strong partner collaboration. This high-end manufacturer is ideal for clients or developers who are willing to pay more for long-term value, energy savings, and design impact.
Website: https://www.reynaers.com/
Finstral
Finstral is a family-run window systems firm that specializes in providing a wide range of window, door, and façade solutions made of PVC, aluminum, wood-aluminum, and hybrid materials.
Its products are highly customisable: different frame materials, colours, surface finishes, glazing options, shapes and forms.
Company Type: Manufacturer
Location: South Tyrol, Italy
Products Offered: Windows solutions, Entrance doors, Sliding / folding systems
Services Provided: Manufacturing, Customization
Quality Standards and Certifications: ift (Institut für Fenstertechnik)
Business Partnerships: Developers, wholesalers and homeowners
Bottom Line: Finstral is excellent for European architects, builders, and homeowners seeking high-quality, fully integrated window and door solutions for residential and commercial buildings. Prices are likely to be higher than those of basic suppliers due to their premium and quality-oriented focus.
Website: https://www.finstral.com/en/
Kömmerling
Kommerling is a leading manufacturer of premium PVC-U (unplasticized polyvinyl chloride) profile systems for windows and doors. Although its parent company is based in Germany, with a production base mainly in that country, the company has a global presence, including a manufacturing facility in Tianjin, China.
This enables Kommerling to supply to global markets with window solutions made of high performance materials.
Company Type: Manufacturer
Location: Pirmasens, Germany
Products Offered: Window, Door and Shutter Systems
Services Provided: Manufacturing, Customization
Quality Standards and Certifications: Not indicated
Business Partnerships: Architects, developers and homeowners
Bottom Line: Kommerling is great for eco-conscious architects, developers, and homeowners looking for high-quality, noise-reducing windows for their projects.
Website: https://www.koemmerling.com/en/
Inwido
Inwido is among 15 best European window manufacturers and one of the largest suppliers of windows and doors. The company has operations in several European countries such as Denmark, Finland, Norway, Germany, Ireland, Austria,Poland and the United Kingdom.
With a strong emphasis on design, indoor comfort, energy efficiency, and environmental responsibility, the company provides customized window and door solutions. nwido works with materials such as timber, aluminium-clad wood, PVC, and hybrids, allowing for a wide range of aesthetic and performance options.
Company Type: Manufacturer
Location: Malmö, Sweden
Products Offered: Windows, Doors, Accessories
Services Provided: Manufacturing, Customization
Quality Standards and Certifications: Not indicated
Business Partnerships: Developers and homeowners
Bottom Line: Inwido is best suited to European developers and architects looking for environmentally friendly, consumer-driven window and door solutions for their projects. The company has a strong global reach and local market presence across Scandinavia, Eastern and Western Europe, allowing for size and reactivity.
Website: https://www.inwido.com/
CORTIZO
CORTIZO, founded in 1972 in Spain, is a major player in Europe for aluminium and PVC architectural systems. Its product offering includes windows, doors, curtain walls/façades, solar protection, balustrades, composite panels, and entrance systems, serving both aesthetic and technical demands.
This European window manufacturer controls its entire production chain, from foundries and extrusion to surface finishing (powder-coating, anodizing), machining, packaging, and logistics, which helps ensure high quality and consistency.
Company Type: Manufacturer
Location: Galicia, Spain
Products Offered: Window systems, Door systems, Composite panels
Services Provided: Production, Packaging, Installation
Quality Standards and Certifications: EPDs, Passivhaus Institute certifications
Business Partnerships: Architects/developers and homeowners
Bottom Line: CORTIZO best serves those seeking high-performance window systems (thermal, acoustic, structural) combined with minimalist or modern aesthetics. The company specializes in aluminum and PVC systems, has a wide range of industry applications, and provides personalized solutions.
Website: http://www.cortizo.com/
Aliplast Aluminium Systems
Aliplast Aluminium Systems is one of the best european manufacturers of aluminum profile systems for the construction industry.
Aliplast is known for its vertically integrated production process, which includes extrusion, powder coating, and insulation, all done in-house, allowing them to maintain strict quality control and offer a 25-year color guarantee on their products.
Company Type: Manufacturer
Location: Lokeren, Belgium
Products Offered: Aluminum profile systems for windows, doors, sliding and folding systems
Services Provided: Production, Customizations, Installation (via dealers)
Quality Standards and Certifications: Cradle to Cradle Certified
Business Partnerships: Architects/developers and homeowners
Bottom Line: Aliplast’s products are engineered for high performance and thus suitable for customers looking for excellence in thermal insulation, weather resistance, and security. Not suitable for budget conscious clients as aluminium systems with high performance, custom colour‐finishes, low profiles tend to be more expensive than simpler window materials
Website: https://www.aliplast.com/
Gealan
Gealan is a German company that specializes in the design, manufacture, and distribution of high-quality PVC-U profiles for windows, doors, and sliding elements. As one of the best European window manufacturers, they develop systems that allow fabrication, design flexibility, durability, and thermal performance.
Company Type: Manufacturer
Location: Oberkotzau, Germany
Products Offered: Profile systems for windows, doors, lift & slide/sliding elements.
Services Provided: Manufacturing, Design, Distribution
Quality Standards and Certifications: ISCC PLUS, ISO 9001, ISO 14001, ISO 50001, IATF 16949
Business Partnerships: Manufacturers, distributors, architects, homeowners
Bottom Line: GEALAN is perfect for suppliers, architects, and developers seeking long-lasting, energy-efficient PVC solutions for their structures. Notably, some of their exotic finishes, compact profiles, and smart automation solutions will most likely demand more comprehensive specifications and a lengthier lead time.
Website: https://www.gealan.de/en/
Rehau
Rehau is a global materials and solutions company with a strong presence in window and door systems, especially using uPVC and advanced hybrid materials.
Rehau emphasizes design flexibility such as multiple colour options, decorative finishes, a variety of opening types (sliding, casement, tilt & turn), and sustainable use of raw materials.
In order to guarantee quality across the supply chain, Rehau provides training, technical resources, and certified programs to its network of fabricators and installers.
Company Type: Manufacturer
Location: Muri, Switzerland
Products Offered: Window and door systems, Hardware
Services Provided: Manufacturing, Customizations, Installation
Quality Standards and Certifications: ISO 9001, ISO 14001
Business Partnerships: Fabricators, architects, homeowners
Bottom Line: Ideal for architects, developers, and homeowners looking for high-performance, eco-friendly window options for new construction and renovations. Rehau works with high-end residential clients as well as commercial.
Website: https://window.rehau.com/uk-en
Oknoplast
Founded in 1994, OKNOPLAST has developed into one of the top manufacturers of uPVC windows and doors in Europe. The group operates across more than 21 markets, including much of Europe and North America.
For those seeking premium windows and façades with high performance, aesthetic options, and solid guarantees, OKNOPLAST is a reliable, well-resourced choice, blending scale with design sensitivity.
Company Type: Manufacturer
Location: Kraków, Poland
Products Offered: Window and door systems, external roller shutters, accessories
Services Provided: Manufacturing, Customizations, Installation
Quality Standards and Certifications: ISO 14001, CEKAL, IFT Rosenheim, ISO 9001, HVHZ
Business Partnerships: Dealers, architects, homeowners
Bottom Line: OKNOPLAST is most suited for clients and projects that value design, long-term energy savings, durability, and environmental credentials; nevertheless, it is less suitable when a limited budget or rapid deployment of basic solutions are required.
Website: https://oknoplast.com/
Salamander
Salamander Window & Door Systems is a family-owned company with a tradition of over 100 years, producing high-quality uPVC profile systems for windows and doors.
This European window manufacturer combines design, sustainability, and technical performance, aiming to deliver profiles that are energy-efficient, durable, and aesthetically flexible.
Company Type: Manufacturer
Location: Türkheim, Unterallgäu, Germany
Products Offered: uPVC windows and doors profile systems, Special glazing options
Services Provided: Manufacturing, Customizations, Distribution, Installation
Quality Standards and Certifications: VinylPlus, ISO 9001, IQNet, ISO 50001
Business Partnerships: Wholesalers, architects, homeowners
Bottom Line: Ideal for mid-to-high-end residential or commercial projects that prioritize energy efficiency, elegant design, and durability; architects or clients who value personalized solutions and a longer lifespan. Less suited if you have a limited budget, require very basic or quick-turnaround windows, or live in exceptionally harsh regions where material selection may be more important.
Website: https://salamander-windows.com/
Internorm
Founded in 1931, Internorm is widely regarded as one of the best European window & door manufacturers. It designs, manufactures, and sells high-performance windows and doors from three production plants in Austria (Traun, Sarleinsbach, Lannach), with all products 100% “Made in Austria.”
Company Type: Manufacturer
Location: Austria
Products Offered: Window and door systems, Accessories
Services Provided: Manufacturing, Customizations, Sales
Quality Standards and Certifications: Not Indicated
Business Partnerships: Distributors, architects, homeowners
Bottom Line: Internorm is ideal for homes and developers in Europe looking for custom, eco-friendly window and door solutions. Their windows are ideal for projects that require superior thermal performance or energy economy.
Website: https://www.internorm.com/en-int/
Deceuninck
Deceuninck specializes in designing, manufacturing, and distributing innovative window, door, and building profile systems. With operations in more than 90 countries, this European window manufacturer places sustainability at the center of its strategy.
Company Type: Manufacturer
Location: Hooglede-Gits, Belgium
Products Offered: Window & door systems, Building profiles, cladding & decking, Ancillary products
Services Provided: Production, Installation, Recycling
Quality Standards and Certifications: SBTi
Business Partnerships: Architects, developers, homeowners
Bottom Line: Deceuninck is ideal for those looking for customized, eco-friendly window and door solutions for renovations or new construction. As the organization positions itself for improved performance and sustainability, costs are expected to be higher than those of low-end basic profile providers.
Website: https://www.deceuninck.com/
Conclusion
With solutions suited to a range of architectural requirements, Europe’s top window manufacturers continue to set standards in innovation, energy efficiency, and sustainable design. These manufacturers develop modern living spaces with lasting appeal by combining functionality with premium aesthetics.
For businesses and homeowners seeking reliable, customizable, and high-performance window profile systems, Hotian stands out as a trusted partner. Contact Hotian today to explore tailored window profile solutions designed to meet your project’s performance, style, and sustainability goals.
