When I started replacing the windows in my guest rooms, I ran into a problem. Some suppliers gave promises, but the products didn’t match. The fittings were weak, and the service was slow.
That taught me the value of working only with dependable top hung window suppliers.
I’ve done the research and gathered practical insights from suppliers who are serious about serving businesses like yours. These findings come from real use and customer feedback.
In this article, you’ll get a review that points you toward suppliers worth your time. You’ll walk away knowing who can deliver on quality, service, and price.
If you’re tired of suppliers who waste your time, this review will be a relief.
So let’s get into it!
Quick Comparison Chart
I once replaced stiff hotel windows that trapped heat and guests complained daily. That pushed me to find better top hung window suppliers you can trust.
| Supplier | Durability | Materials | Warranty | Lead Time | Custom Sizes | Best For |
| Andersen Windows | High | Composite, wood | Strong | Moderate | Yes | Proven long-term use |
| Pella | Medium-High | Wood/Composite | Good | Moderate | Yes | Energy-smart design |
| Vallisco | High | Aluminum, uPVC | Reliable | Factory-direct | Yes | Quality controls and service |
| Internorm | Very High | UPVC/Alu/Wood | Excellent | Moderate | Yes | Precision European style |
| VEKA | High | uPVC | Good | Fast | Yes | uPVC systems and volume |
| Eko-Okna | High | Aluminum/uPVC | Solid | Fast | Yes | Large projects and bulk |
| Oknoplast | Medium-High | PVC/Aluminum | Good | Moderate | Yes | Stylish exports |
| Crittall Windows | Very High | Steel | Long-lasting | Slow | Limited | Steel-framed classic look |
Read more to find a match that fits your project needs—quality, service, value.
1. Andersen Windows
When I first looked into Andersen, what stood out was their long history. They have been making windows for more than 100 years. That’s rare in this industry.
As a hotel owner, I found their name came up often when other business owners talked about quality and dependability. Andersen has built a reputation for keeping standards steady across different product lines.
If you’re running a villa, inn, or hotel, consistency matters. You don’t want windows that work well in one room and fail in another. Andersen’s long track record gives you confidence.
Company Background
- Year Founded: Established in 1903. Over a century in the window industry with a steady growth record.
- Founders/Leadership: Founded by Hans Jacob Andersen and family. Current corporate leadership under Jay Lund.
- Headquarters Location: Bayport, Minnesota, USA. This remains their central production and management hub.
- Employees: Around 13,000 employees. Skilled workforce dedicated to manufacturing and service operations worldwide.
- Global Presence: Facilities in the U.S., Canada, and Italy. Their products are distributed through many dealer networks.
- Mission and Values: Strong focus on environmental responsibility. They prioritize recycling, energy efficiency, and sustainable sourcing.
- Industry Reputation: Regarded as a trusted supplier in North America. Known for quality and long-term product reliability.
Products and Services
Windows
- Double-hung
- Casement and awning
- Picture and specialty shapes
- Bay and bow
- Sliding
Doors
- Patio doors
- French doors
- Storm doors
- Specialty glass doors
- Sliding barn doors
Certifications & Compliance
Andersen products are tested and rated by NFRC, giving you clear data on energy efficiency. This is important if you want to lower energy costs.
They also participate in the ENERGY STAR program, which shows they meet high performance requirements for energy use. That helps with green building projects.
Andersen supports FSC-certified wood and environmental product declarations. If your projects need sustainable sourcing, this adds credibility to your purchase.
Lead Times & Production Turnaround
- Average Production: E-Series takes 6–13 weeks. A-Series 4–6 weeks. 100 and 200 Series average 2–5 weeks.
- Order Workflow: Starts with quoting, approvals, and shop drawings. Moves into factory production and then shipping.
- Rush Orders: Available through dealers. Options vary by series and factory capacity.
- Delays: Custom colors, special sizes, and shipping logistics can extend timelines.
Reach Through
- Website:andersenwindows.com
- Location: Bayport, Minnesota, USA
- Contacts: Online dealer locator, corporate contact forms, and customer support line
Bottom Line
Andersen works well for hotels, villas, and large housing projects that demand consistency. Their wide range lets you match windows across different property types with ease.
However, the drawback is that premium series often come with longer lead times. This can be challenging if your project schedule requires faster turnaround.
2. Pella
When I first considered Pella, I was struck by how often their names came up in business circles. Many owners I spoke with mentioned their wide product options and reliable service.
Pella has been in the market for nearly a century. That kind of experience builds trust. They’ve learned how to serve both small property owners and larger hospitality groups.
If you’re planning a hotel renovation, or fitting out villas or B&Bs, Pella gives you a mix of styles, energy performance, and dependable dealer support.
Company Background
- Year Founded: Established in 1925, showing nearly 100 years of consistent operation.
- Founders/Leadership: Started by Pete and Lucille Kuyper. Today run by a professional management team.
- Headquarters Location: Based in Pella, Iowa, USA, with multiple plants nationwide.
- Employees: Around 10,000 staff across factories and offices.
- Global Presence: Primarily U.S. and Canada with a broad dealer network.
- Mission and Values: Guided by integrity and the goal of enriching lives.
- Industry Reputation: Widely recognized brand in North America with strong customer loyalty.
Products and Services
Windows
- Wood, fiberglass, and vinyl
- Double-hung and casement
- Awning and sliding
- Specialty and custom shapes
- Bay and bow
Doors
- Patio and French
- Sliding
- Fiberglass and steel entry
- Storm doors
- Multi-slide
Certifications & Compliance
Pella windows are NFRC certified, which means you get clear energy performance data before buying. This is key when planning for efficiency.
They also carry ENERGY STAR labels on many product lines. That makes them a practical choice for projects targeting green building standards.
Pella supports LEED contributions and provides documentation for projects that must show compliance with environmental programs.
Lead Times & Production Turnaround
- Average Production: Orders can take 2 to 14 weeks depending on the product line and options.
- Order Workflow: Process usually moves from quote, to specs, to factory build, then shipping.
- Rush Orders: Expedited options available through local dealers, depending on capacity.
- Delays: Custom colors, glass types, and large orders can extend the wait.
Reach Through
- Website:pella.com
- Location: Pella, Iowa, USA
- Contacts: Contact forms and showroom locator available online
Bottom Line
Pella is a strong option if you need variety, design flexibility, and documented energy performance. Their broad dealer network also makes service accessible.
That said, production timelines can stretch out on complex orders. For businesses with strict deadlines, this may require early planning or alternate product lines.
3. Vallisco
When I first came across Vallisco, what caught my attention was how they positioned themselves as a factory-direct suppliers. They focus on B2B customers, which means pricing and service are structured for larger projects.
Unlike long-standing brands, Vallisco is newer in name but backed by years of manufacturing through their group history. That gave me more confidence when I learned they were not just starting from scratch.
For villa owners, hotel projects, or commercial properties, they offer a practical option if you want aluminum and uPVC windows produced with modern standards.
Company Background
- Year Founded: The Vallisco brand was launched in 2024, but its parent group has been active in manufacturing since 2007.
- Founders/Leadership: Operates under Qeeka Home Inc., with leadership focused on B2B building materials.
- Headquarters Location: Operates as an international brand with a strong online presence.
- Employees: Exact numbers not published, but supported by its parent group’s wider workforce.
- Global Presence: Primarily positioned for export markets across Asia and Europe.
- Mission and Values: Committed to delivering cost-effective windows and doors with a focus on reliability.
- Industry Reputation: Newer brand but building on the credibility of its group background.
Products and Services
Windows
- Aluminum casement
- Top hung
- Sliding windows
- Fixed windows
- Tilt and turn
Doors
- Aluminum sliding doors
- Swing doors
- Glass doors
- Folding doors
- Entry systems
Certifications & Compliance
Vallisco highlights CE and ISO certifications on its website, which give you assurance when exporting to Europe. They also note that compliance documents are available upon request.
For sustainability, Vallisco claims alignment with environmental standards and works to provide sourcing documents to meet project requirements. This can be important if you are working with eco-conscious developments.
While details are not as extensive as older brands, the presence of international certification helps reduce risk when working with a younger supplier.
Lead Times & Production Turnaround
- Average Production: Timelines depend on project size, but typical aluminum systems are quoted within weeks after approval.
- Order Workflow: Starts with drawings and specifications, followed by quotation, deposit, production, and then shipment.
- Rush Orders: Available on a case-by-case basis depending on material availability and shipping.
- Delays: May occur with custom finishes, special glass, or overseas transport.
Reach Through
- Website:vallisco.com
- Location: No. 1926, Cao An Highway, Jiading District, Shanghai, China
- Contacts:
- E-mail：kelly@vallisco.com
- Tel: +86 18502136587
Bottom Line
Vallisco is best for businesses looking for factory-direct supply, competitive pricing, and flexible project customization. Their model suits villas, hotels, and mid-sized commercial projects.
However, since Vallisco is a new brand, the drawback is the limited track record in global markets. You may need to ask for more references and certifications before large orders.
4. Internorm
The first time I looked at Internorm, what stood out was their Austrian origin. They’ve been producing windows since 1931, and that kind of history matters in this business.
They design and manufacture in-house, which means quality stays consistent. For me, that makes them easier to trust. You know exactly where the products are coming from and how they are made.
If you run hotels, villas, or even a chain of B&Bs in Europe, their strong partner network makes sourcing and installation straightforward.
Company Background
- Year Founded: 1931. Over nine decades of continuous operation in Austria.
- Founders/Leadership: Founded by Eduard Klinger Sr.; leadership remains within the Klinger family.
- Headquarters Location: Traun, Upper Austria. This is still their main base.
- Employees: Around 2,100 staff across three main plants.
- Global Presence: Active in 21 countries with more than 1,300 distribution partners.
- Mission and Values: Driven by precision, innovation, and long-term quality.
- Industry Reputation: Known across Europe as a premium supplier with high standards.
Products and Services
Windows
- uPVC windows
- Wood-aluminum windows
- Aluminum windows
- Tilt and turn
- Casement and top hung
Doors
- Entry doors
- Sliding systems
- French doors
- Glass panel doors
- Security doors
Certifications & Compliance
Internorm windows carry CE marking, which is required in the EU. This assures you that performance and safety standards are being met.
They also provide declarations of performance (DoP) and testing data, so you can check values for energy, soundproofing, and durability. That helps if your project needs documentation.
Internorm is also known for sustainable processes, including careful material use and in-house R&D. This adds credibility when bidding for environmentally focused projects.
Lead Times & Production Turnaround
- Average Production: Lead times vary by series but are generally quoted through their partner network.
- Order Workflow: Site survey and drawings, then factory production in Austria, followed by delivery.
- Rush Orders: Availability depends on the local partner and factory schedule.
- Delays: Custom colors, glazing types, and cross-border shipping can extend timelines.
Reach Through
- Website:internorm.com
- Location: Traun, Upper Austria
- Contacts: Dealer and partner locator available online
Bottom Line
Internorm is best for businesses in Europe that want premium quality, strong certifications, and long-term reliability. Their dealer network makes projects easier to manage.
However, their drawback is that pricing often reflects their premium positioning. If budget is tight, you may find them less competitive than younger brands.
5. VEKA
Many suppliers rely on VEKA systems when fabricating PVC-U windows and doors. That alone says a lot about their influence in the industry.
Founded in Germany, VEKA has built its reputation on strong profile systems that fabricators use worldwide. For hotels, villas, or housing projects, the consistency of their PVC-U systems can give you peace of mind.
If your project needs dependable uPVC profiles with documented standards, VEKA is a partner worth looking at.
Company Background
- Year Founded: 1969. Over 50 years in the PVC-U industry.
- Founders/Leadership: Established by Heinrich Laumann; remains family-owned with strong management oversight.
- Headquarters Location: Sendenhorst, Germany, as the group headquarters.
- Employees: About 7,000 staff across operations worldwide.
- Global Presence: Subsidiaries on four continents and partners in many markets.
- Mission and Values: Committed to sustainability and innovation in PVC-U profiles.
- Industry Reputation: Viewed as a global leader in profile systems.
Products and Services
Profiles
- PVC-U window profiles
- Door profiles
- Sliding system profiles
- Partition and façade systems
- Colored foil profiles
Services
- Fabrication support
- Recycling solutions
- Technical manuals
- Partner network assistance
- Training for installers
Certifications & Compliance
VEKA has ISO 9001 quality certification and ISO 50001 energy management. This helps you know their production is closely monitored.
They also hold VinylPlus and ISCC PLUS certifications, showing responsibility in materials and recycling. For eco-focused projects, that can make a difference.
Regional subsidiaries also comply with local requirements, offering certificates and environmental documentation to customers.
Lead Times & Production Turnaround
- Average Production: Standard profiles available quickly; specialty colors may take up to 5 weeks.
- Order Workflow: Fabricators order directly from VEKA, then deliver finished windows to you.
- Rush Orders: Faster options possible through local fabricators with stock.
- Delays: Special finishes, transport, or factory capacity may slow things down.
Reach Through
- Website:veka.com
- Location: Sendenhorst, Germany
- Contacts:info@veka.com
Bottom Line
VEKA is best if you want reliable PVC-U profiles with a global supply chain and documented sustainability. Their recycling and certifications add value to large projects.
On the other hand, since VEKA is primarily a profile supplier, you’ll depend on local fabricators. That means quality can vary unless you pick certified partners.
6. Eko-Okna
Eko-Okna has grown into one of the largest window producers in Europe since starting in Poland in the late 1990s. Their scale is impressive, and so is their speed.
They are known for quick production times compared to many other suppliers. For property owners or managers working with tight schedules, that speed can be a major advantage.
With thousands of employees and exports reaching more than 40 markets, Eko-Okna can handle both small hotel renovations and large housing projects.
Company Background
- Year Founded: 1998, giving them more than two decades in the industry.
- Founders/Leadership: Founded by Mateusz Kłosek, who continues to drive growth.
- Headquarters Location: Kornice, Poland, with additional production in Wodzisław Śląski.
- Employees: Around 13,000–14,000 people, making them one of the largest in Europe.
- Global Presence: Products exported to more than 40 countries worldwide.
- Mission and Values: Focused on efficiency, affordability, and customer satisfaction.
- Industry Reputation: Known for rapid turnaround and strong export logistics.
Products and Services
Windows
- PVC windows
- Aluminum windows
- Wood windows
- Sliding systems
- Tilt and turn
Other Products
- Exterior doors
- Garage doors
- Shutters and blinds
- Facades
- Accessories
Certifications & Compliance
Eko-Okna windows carry CE markings, which means compliance with EU safety and performance standards. That’s essential for projects within Europe.
They also work with NFRC compliance when supplying to the U.S. market. This helps you meet local building codes outside Europe.
Sustainability efforts are mentioned in their company materials, with attention to responsible sourcing and manufacturing practices.
Lead Times & Production Turnaround
- Average Production: PVC and wood orders in about 14 days; aluminum usually in 3 weeks.
- Order Workflow: Quotation, order confirmation, production, and delivery through their logistics arm.
- Rush Orders: Short timelines possible for standard models and materials.
- Delays: Custom glazing, finishes, and high season demand may slow production.
Reach Through
- Website:ekookna.pl and ekookna.us
- Location: Kornice, Poland
- Contacts: Business inquiry forms, U.S. hotline, and direct email access online
Bottom Line
Eko-Okna is best for businesses that need large volume orders produced quickly and shipped across borders. Their speed makes them attractive for time-sensitive projects.
Still, because they focus heavily on volume and rapid delivery, some buyers may find that customer service feels less personal compared to smaller specialized suppliers.
7. Oknoplast
Oknoplast has built a strong presence in Europe since the mid-1990s. Many property owners and contractors recognize them for stylish PVC and aluminum window solutions.
Their wide showroom network makes it easier to see products firsthand, which is useful for hotel and villa projects. With manufacturing in Poland and exports across Europe, they combine scale with design variety.
For businesses that want reliable PVC and aluminum windows paired with accessible local support, Oknoplast is a solid option.
Company Background
- Year Founded: 1994, giving them three decades of experience.
- Founders/Leadership: Founded by Adam Placek; led today by CEO Mikołaj Placek.
- Headquarters Location: Ochmanów, near Kraków, Poland.
- Employees: Supported by several factories and thousands of showroom staff across Europe.
- Global Presence: Operations in 21 countries with over 3,500 showrooms.
- Mission and Values: Focused on blending durability with modern design.
- Industry Reputation: Established European brand with a wide distribution footprint.
Products and Services
Windows
- PVC windows
- Aluminum windows
- Sliding systems
- Tilt and turn
- Fixed frames
Other Products
- Exterior doors
- Garage doors
- Shutters
- Accessories
- Glass systems
Certifications & Compliance
Oknoplast products carry CE certification, allowing free trade across the EU. This means performance standards for safety, insulation, and durability are in place.
For U.S. projects, select lines are NFRC certified through dealer networks. That makes compliance with North American energy codes more straightforward.
The company also highlights its in-house quality control and lab testing, which add reliability when choosing products for larger developments.
Lead Times & Production Turnaround
- Average Production: Timelines depend on product type and market, generally quoted through local dealers.
- Order Workflow: Local survey, specification, factory order, and delivery through the dealer channel.
- Rush Orders: Can be possible with standard products if dealers have stock.
- Delays: Custom finishes, glazing, and cross-border logistics may cause longer waits.
Reach Through
- Website:oknoplast.com
- Location: Ochmanów, Poland
- Contacts: Dealer locator and contact forms available online
Bottom Line
Oknoplast is best for projects that need stylish PVC and aluminum solutions supported by a large showroom and dealer network across Europe. Their design flexibility appeals to hotels and modern villas.
That said, relying on local dealers means service levels can vary. For highly customized projects, the dependence on third-party networks could limit flexibility.
8. Crittall Windows
Crittall is one of the oldest steel window manufacturers still in operation today. Their heritage stretches back to the 19th century, and their name is linked with iconic architectural styles.
They specialize in slimline steel frames, which appeal to hotels, villas, and historic properties looking to maintain character while upgrading performance. Their brand reputation is built on heritage and craft.
For businesses managing renovations in older buildings, or for those aiming for a sleek industrial look, Crittall offers trusted steel solutions.
Company Background
- Year Founded: 1849 origins; incorporated in 1889, giving them more than 130 years of history.
- Founders/Leadership: Founded by Francis Berrington Crittall and later expanded by his family.
- Headquarters Location: Witham, Essex, England.
- Employees: Several hundred staff managing design, production, and export.
- Global Presence: Supplies across the UK, Europe, and North America with a strong export record.
- Mission and Values: Dedicated to heritage steel craft combined with modern performance needs.
- Industry Reputation: Iconic brand associated with Art Deco and Modernist buildings.
Products and Services
Windows
- Steel casement windows
- Heritage W20 system
- MW40 system
- T60 thermally broken system
- Fixed frames
Other Products
- Interior partitions
- External steel doors
- Sliding doors
- Curtain wall systems
- Security glazing options
Certifications & Compliance
Crittall products carry CE and UKCA marking, which confirms compliance with EN 14351-1 standards for windows and doors. That means their products meet performance and safety standards in Europe and the UK.
They also provide detailed specifications and performance data sheets, which are useful when working with architects or engineering teams on custom projects.
Compliance documentation and certifications are accessible to buyers, helping projects meet both heritage and modern building requirements.
Lead Times & Production Turnaround
- Average Production: Standard cycle is around 18–20 weeks after shop drawings are approved.
- Order Workflow: Detailed drawings, approval, fabrication, finishing, glazing, then delivery.
- Rush Orders: Limited, due to the complexity of steel fabrication.
- Delays: Often tied to galvanizing, custom finishes, and glass sourcing.
Reach Through
- Website:crittall-windows.co.uk
- Location: Witham, Essex, United Kingdom
- Contacts: Corporate contact forms and specification support available online
Bottom Line
Crittall is best for heritage restorations, boutique hotels, and villas that want the slim steel aesthetic with proven durability. Their products add strong visual impact to projects.
However, the drawback is longer lead times compared to aluminum or PVC suppliers. For projects on strict schedules, extended cycles can be a challenge.
Conclusion
When I first struggled with weak windows in my hotel, I knew I needed better suppliers. That search led me to this list of the best eight.
Each supplier brings something different, heritage, speed, design, or reach. Choosing the right partner depends on your project goals and timeline.
If you value direct service with modern production, Vallisco is a supplier worth considering. They combine factory pricing with flexible options for business buyers.
Don’t let poor windows disrupt your property again. Contact us today and explore how Vallisco can support your next project.
