Last year, I had to replace a full set of windows in one of my villas. Some of the old ones had warped, and others no longer closed tightly. Finding the right supplier was harder than I thought.
That search showed me how different manufacturers can be. Prices, quality, and service all varied, and it took time to sort through them.
This review is built from those lessons. I’ve compared what matters most, durability, craftsmanship, and reliability, so you don’t waste time on trial and error.
Here, you’ll find the top 8 custom wood window manufacturers. The list is written for business owners who want practical information before placing an order.
If you’re looking for windows that fit your property’s needs, you’ll see real answers here.
Let’s get into it!
Quick Comparison Chart
Finding reliable custom wood window manufacturers can be time-consuming. A clear comparison of materials, order size, and use case helps businesses make faster, smarter choices for their projects.
| Rank | Manufacturer | Best for | Materials | Order Size |
| 1 | Andersen Corporation | Large-scale, trusted partner | Pine, oak, composite mix | Medium to large |
| 2 | Loewen Windows | Premium wood and fine design | Douglas fir, mahogany | Medium to large |
| 3 | Vallisco | Project-ready, export markets | Solid hardwood options | Small to large |
| 4 | Trimline | Historic restorations, custom | Pine, oak | Small to medium |
| 5 | Adams Architectural Millwork | Detailed craft, energy upgrades | Mixed hardwoods | Small to medium |
| 6 | Blue Ox Millworks | Hand-made, complex shapes | Redwood, cedar | Small to medium |
| 7 | Portella | Stylish and durable designs | Oak, maple | Medium to large |
| 8 | Heirloom Windows | Specialty shapes, creative use | Various hardwoods | Small to medium |
This table highlights the strengths, materials, and order scales of each manufacturer. Read the full review for deeper insights and details.
1. Andersen Corporation
Andersen Corporation was founded in 1903 in Bayport, Minnesota. Hans Andersen and his family started the business with a focus on reliable wood windows. Today, the company is still headquartered in Bayport and has grown into one of the largest window manufacturers in North America.
I’ve looked at Andersen over the years when planning upgrades to villas and hotels. They stand out because they have been around for more than a century. That kind of history tells me they have systems in place to handle big projects like yours and mine. Their leadership team continues to invest in design, sustainability, and dealer support, which makes them easier to work with at scale.
Products & Services
Products
- A-Series Wood Windows
- E-Series Custom Windows
- Casement, Double-Hung, and Specialty Shapes
- Patio Doors and Sliding Systems
- Energy-Efficient Glass Packages
Services
- Dealer Network Support
- Replacement Division (Renewal by Andersen)
- Performance Documents for Architects
- Technical Resources for Builders
- Warranty Programs
Quality Control & Assurance
- Raw Material Sourcing and Traceability: Andersen uses certified wood and tracks materials through supply chains. This gives business buyers confidence in consistent quality for every project.
- Manufacturing Standards and Best Practices: They follow NFRC and WDMA standards. Compliance helps your projects meet codes and assures tested performance across different climates and building conditions.
- Testing and Verification Processes: Each line has published data on air, water, and structural tests. This lets you confirm actual performance before placing a large order.
- Customer Feedback and Resolution: Issues are handled through dealers and service teams. Renewal by Andersen provides in-home service for replacements, helping maintain customer trust and satisfaction.
Competitive Advantage
Andersen’s biggest advantage is scale. They can handle multi-unit projects without long delays. That’s a plus if you’re managing hotels or villa developments.
They also publish clear performance data. Having documents ready makes your bids and design submissions much smoother, saving you time during planning and approval stages.
Finally, their wide dealer network makes after-sales support easier. You can find help or replacement parts locally, which reduces downtime and avoids shipping delays.
Pricing & Cost Structure
- General Pricing Strategy: Mid-range to premium. Prices rise with options like cladding, hardware, and custom sizing, but long-term durability helps balance those upfront costs.
- Factors Influencing Pricing: Species, glazing, finish, and hardware choices all matter. Large or custom designs add costs, but bigger projects spread expenses more evenly.
- MOQ (Minimum Order Quantity): No strict minimums. Orders are usually project-based, which gives flexibility for both small upgrades and large construction jobs.
- Bulk Order Discounts: Dealer bids often include discounts for multi-unit or repeated orders, lowering costs when you buy at scale.
- Payment Terms and Financing Options: Dealers set payment terms with deposits. Renewal by Andersen offers financing for replacement projects, making funding options more accessible.
Contact Info
- Website:https://www.andersenwindows.com
- Location: 100 4th Ave N, Bayport, MN 55003, USA
- Phone/Email: 1-888-888-7020 | contact via website form
Final Thoughts
Overall, Andersen works well for hotels, villas, and housing projects that demand consistency and variety. However, their premium pricing and dealer-focused service may feel less personal for smaller operators.
2. Loewen Windows
Loewen began in 1905 in Steinbach, Manitoba, Canada. The company started as a small lumber business before moving into window and door manufacturing. Today, Loewen is a respected name for premium wood windows. Their focus has always been on quality and fine craftsmanship.
I’ve come across Loewen often in projects that needed high-end finishes. Their products are well-regarded by architects and designers who want wood species like Douglas Fir and Mahogany. For you, that means a supplier used to working with demanding clients and complex projects.
Products & Services
Products
- Casement and Awning Windows
- Double-Hung and Picture Windows
- Specialty Shapes and Large Assemblies
- Douglas Fir, Mahogany, and White Oak Options
- Patio and French Doors
Services
- Dealer and Distributor Support
- Technical Guides and CAD Resources
- Installation and Maintenance Guides
- Warranty Coverage
- Project Consultation
Quality Control & Assurance
- Raw Material Sourcing and Traceability: Loewen focuses on premium wood species such as Douglas Fir and Mahogany. This sourcing approach gives you lasting strength and consistent appearance across projects.
- Manufacturing Standards and Best Practices: They publish performance ratings and code resources, helping builders and architects confirm compliance with regional requirements before installation.
- Testing and Verification Processes: Products are certified through NFRC for energy performance. Testing data includes U-factor and SHGC, making project submittals easier for you.
- Customer Feedback and Resolution: Loewen operates through a dealer network. Service requests and complaints are managed locally, with warranty support to back up installations.
Competitive Advantage
Loewen’s biggest advantage is their choice of premium species. Using woods like Douglas Fir or Mahogany sets their products apart in both strength and design flexibility.
They also cater to larger, high-value projects where appearance and durability matter most. That makes them appealing if you’re managing villas, boutique hotels, or estates.
Finally, Loewen invests in resources for builders and designers. From CAD files to technical manuals, they help reduce the guesswork during the planning and bidding stages.
Pricing & Cost Structure
- General Pricing Strategy: Premium. Loewen products are priced higher than mass-market brands because of the species and finishes they use.
- Factors Influencing Pricing: Species, glazing type, finishes, and size all affect costs. Specialty assemblies or custom shapes usually come at a higher price.
- MOQ (Minimum Order Quantity): Orders are project-based and managed through dealers. This suits both single-property upgrades and multi-unit developments.
- Bulk Order Discounts: Dealer bids can include discounts for larger project orders, giving you savings on big jobs.
- Payment Terms and Financing Options: Payment terms are dealer-managed. Confirm terms with your supplier during the quote process.
Contact Info
- Website:https://www.loewen.com
- Location: 77 Highway 52 West, Steinbach, MB R5G 1B2, Canada
- Phone/Email: 1-800-563-9367 | contact via website form
Final Thoughts
In summary, Loewen is best for projects where premium wood and fine craftsmanship are top priorities. However, the higher cost may not suit every project budget.
3. Vallisco
Vallisco is a newer manufacturer based in Xinxiang, Henan, China. The company supplies windows and doors directly from its factory. Their focus is on serving international projects, especially across Southeast Asia and Europe.
I’ve seen Vallisco positioned as a direct factory partner. For you, that means lower pricing compared to distributors and more flexibility in large, project-driven orders. They emphasize exporting, OEM supply, and close support for project managers.
Products & Services
Products
- Custom Wood Windows
- Aluminum and uPVC Windows
- Patio Doors and Sliding Systems
- Casement and Awning Windows
- Project-Based Assemblies
Services
- OEM Supply for Developers
- Engineering Support for Projects
- Export Logistics and Shipping
- Installation Guidance Documents
- After-Sales Service via Project Managers
Quality Control & Assurance
- Raw Material Sourcing and Traceability: Vallisco states compliance with CE and ISO standards. You should always request supporting certificates for wood, hardware, and glass when placing large orders.
- Manufacturing Standards and Best Practices: Their factory follows international practices, with in-house checks at each stage. This allows you to track orders and see progress with consistency.
- Testing and Verification Processes: Performance data and test results are shared per project. You can request specific values before ordering, which helps with project approvals.
- Customer Feedback and Resolution: Issues are managed through assigned project managers. You can contact them directly for quick adjustments, replacements, or warranty support.
Competitive Advantage
Vallisco’s strength is factory-direct pricing. By cutting out layers of distributors, they can offer more competitive quotes, especially for large projects like hotels or multi-unit housing.
They also focus on flexibility. Whether you need wood, aluminum, or uPVC systems, they can combine product types in a single order, which reduces complexity for you.
Lastly, their export focus makes them responsive to overseas buyers. They handle logistics and documents, which simplifies the process of ordering across borders.
Pricing & Cost Structure
- General Pricing Strategy: Value-based. They focus on giving competitive quotes to win project bids, especially in overseas markets.
- Factors Influencing Pricing: Material system (wood, aluminum, uPVC), glass packages, hardware grade, and shipment terms.
- MOQ (Minimum Order Quantity): Often container-based or project-driven. Vallisco is more flexible than some larger brands, but volume orders are still preferred.
- Bulk Order Discounts: Yes, they provide discounts for repeated or larger container orders, making them attractive for ongoing developments.
- Payment Terms and Financing Options: Export-standard terms, with deposits required. Full payment often due before shipment.
Contact Info
- Website:https://vallisco.com
- Location: No. 1926, Cao An Highway, Jiading District, Shanghai, China
- Phone/Email: +86 18502136587 | kelly@vallisco.com
Final Thoughts
Overall, Vallisco is best for developers and hoteliers who need large orders at factory pricing. However, since they are a newer brand, long-term track records and widespread references are still limited. This may require you to spend extra effort confirming certifications and past project success before moving forward.
4. Trimline
Trimline was established in 1966 in Ivyland, Pennsylvania. From the beginning, the company focused on crafting wood and clad wood windows that could fit both standard and historic openings. Over the years, they have built a reputation for supplying windows to remodelers, builders, and property owners who need flexible sizing.
I’ve looked at Trimline when considering updates for older inns and B&Bs. They are known for offering custom fits that can match historic profiles. For you, that means fewer compromises when replacing windows in buildings with character or non-standard sizes.
Products & Services
Products
- Liberty All-Wood Windows
- Legends Aluminum-Clad Wood Windows
- Eclipse/Ultra-Fit Replacement Windows
- Specialty Shapes, Bow, and Bay Units
- Sash Replacement Kits
Services
- Dealer Network Sales Support
- Technical Resources and Specifications
- Warranty Coverage for Products
- Custom Sizing Options
- Performance Reports for Projects
Quality Control & Assurance
- Raw Material Sourcing and Traceability: Trimline uses wood species such as pine and oak. Options are chosen per project, ensuring consistency in appearance and durability for your property.
- Manufacturing Standards and Best Practices: Products are built to NFRC and WDMA standards. Their designs meet codes and give you confidence in energy and structural performance.
- Testing and Verification Processes: Trimline publishes data for air, water, and structural ratings. These documents help you prepare project submittals without guesswork.
- Customer Feedback and Resolution: Issues are handled through the dealer network. Warranty and service support are available to resolve complaints quickly.
Competitive Advantage
Trimline’s advantage is their strength in replacement and historic projects. Many inns, small hotels, and older villas need windows that match existing profiles. Trimline fills that role effectively.
They also provide detailed performance documents. Having access to certified ratings allows you to demonstrate compliance in bids and project meetings. That saves you both time and risk.
Their flexibility in sizing makes them a good option when your property has openings that do not fit standard dimensions. This kind of adaptability can reduce costly remodeling.
Pricing & Cost Structure
- General Pricing Strategy: Mid-range to premium. Prices vary depending on whether you choose wood or aluminum-clad finishes.
- Factors Influencing Pricing: Glass options, cladding, specialty shapes, and hardware selections all change the cost of your order.
- MOQ (Minimum Order Quantity): Orders are sized per project, with flexibility for smaller runs when needed.
- Bulk Order Discounts: Available through dealer quotes on multi-unit or large-scale projects.
- Payment Terms and Financing Options: Payment terms are managed through authorized dealers. Specific terms depend on your project scope.
Contact Info
- Website:https://www.trimlinewindows.com
- Location: 50 Louise Dr, Ivyland, PA 18974, USA
- Phone/Email: (215) 672-5233 | info@trimlinewindows.com
Final Thoughts
To sum up, Trimline works best for properties needing custom sizing and historic compatibility. On the other hand, dealer-based service may sometimes limit direct communication with the manufacturer.
5. Adams Architectural Millwork
Adams Architectural Millwork started in 1981 and is based in Dubuque, Iowa. Over time, they built a strong reputation for producing custom wood windows and doors. Their specialty lies in historic replications for landmark buildings and preservation projects.
I’ve seen Adams mentioned often in restoration work for historic hotels and civic buildings. If your property values authenticity, their products can help maintain original character. For you, this means windows that look right while meeting modern performance needs.
Products & Services
Products
- Custom Wood Windows
- Historic Storm Windows and Screens
- Interior and Exterior Doors
- Specialty Shapes and Profiles
- Glass Options for Historic Accuracy
Services
- Historic Replication Consultation
- Shop Drawings and Technical Support
- Project-Specific Engineering
- Warranty and After-Sales Support
- Restoration Case Studies and Guidance
Quality Control & Assurance
- Raw Material Sourcing and Traceability: Adams offers multiple hardwoods and historically accurate glass options. This allows you to match the look and feel of original building elements.
- Manufacturing Standards and Best Practices: Products are built to detailed project specifications. Each order is crafted to balance authenticity with modern energy efficiency where needed.
- Testing and Verification Processes: Adams provides shop drawings and details. Testing is often project-specific, helping you meet architectural review requirements.
- Customer Feedback and Resolution: As a smaller custom shop, issues are resolved directly with their team, giving you personal support throughout the project.
Competitive Advantage
Adams’s advantage lies in their niche. Many manufacturers produce standard windows, but few focus on exact replications. That makes them valuable for preservation projects where detail matters most.
They also provide flexibility. You can request profiles, muntins, and joinery styles that match your building’s history. This reduces the risk of design rejection during restoration reviews.
Finally, Adams combines traditional methods with modern performance upgrades. For you, that means keeping your property’s character while meeting current comfort and energy expectations.
Pricing & Cost Structure
- General Pricing Strategy: Premium. Custom replication work comes at a higher cost but protects long-term property value.
- Factors Influencing Pricing: Species, profile accuracy, glass choice, and finish details are key factors that influence cost.
- MOQ (Minimum Order Quantity): Orders are project-driven. They accept small runs when the project requires them.
- Bulk Order Discounts: Discounts are possible for larger sets of repeated designs, depending on the project scope.
- Payment Terms and Financing Options: Typically requires deposits and staged payments. Terms are confirmed in quotes.
Contact Info
- Website:https://adamsarch.com
- Location: 2225 Kerper Blvd, Dubuque, IA 52001, USA
- Phone/Email: (888) 285-8120 | info@adamsarch.com
Final Thoughts
Adams Architectural Millwork is best for historic hotels, villas, and civic buildings that must preserve original detail. However, their specialized focus can mean longer lead times and higher costs.
6. Blue Ox Millworks
Blue Ox Millworks was founded in the 1970s in Eureka, California. The company is more than just a shop—it also operates as a working historic village and training ground for traditional trades. Their focus has always been on crafting authentic, period-accurate woodwork.
I’ve seen Blue Ox highlighted in historic restoration projects where authenticity is non-negotiable. If your property has heritage value, their work helps maintain that character. For you, this means one-of-a-kind craftsmanship backed by decades of experience in historic detail.
Products & Services
Products
- Custom Victorian-Style Windows
- Wood Doors and Entry Systems
- Casings and Trim Profiles
- Turned Columns and Spindles
- Exterior Millwork Elements
Services
- Historic Replication and Consultation
- Custom Shop Drawings
- Project-Specific Engineering
- Restoration Advice and Support
- Direct Artisan Collaboration
Quality Control & Assurance
- Raw Material Sourcing and Traceability: Blue Ox selects species by project needs. They focus on traditional hardwoods that can match the historic style of your building.
- Manufacturing Standards and Best Practices: They use traditional joinery and heritage woodworking methods. This ensures each window or door feels authentic and structurally sound.
- Testing and Verification Processes: Shop drawings and samples are provided for approval. This helps you confirm design and function before production starts.
- Customer Feedback and Resolution: As a small artisan shop, they handle questions directly. This personal approach makes issue resolution more responsive.
Competitive Advantage
Blue Ox’s strength is authenticity. They replicate profiles and details that larger factories no longer produce, making them a trusted partner in landmark restoration projects.
They also bring cultural value. Their facility doubles as a historic village, which shows their commitment to traditional craftsmanship and preservation. For your project, that translates to skill you can see.
Finally, their flexibility helps. They take on small, detailed runs that big manufacturers might decline. That makes them accessible for boutique hotels, inns, and historic villas.
Pricing & Cost Structure
- General Pricing Strategy: Premium. Each piece is hand-crafted, and that level of detail adds cost.
- Factors Influencing Pricing: Profile complexity, wood species, finish, and glass selection all affect final cost.
- MOQ (Minimum Order Quantity): They accept small batch orders, making them ideal for individual restorations.
- Bulk Order Discounts: Pricing can be adjusted for larger, repeated designs, but most projects are custom.
- Payment Terms and Financing Options: Deposits are required with balance due at delivery. Terms are arranged per project.
Contact Info
- Website:https://www.blueoxmill.com
- Location: 1 X Street, Eureka, CA 95501, USA
- Phone/Email: (707) 444-3437 | inquiries@blueoxmill.com
Final Thoughts
Overall, Blue Ox is a strong choice for inns, B&Bs, and heritage hotels needing authentic period details. However, handcrafted methods can mean longer timelines and higher costs.
7. Portella
Portella was founded in 1999 and is headquartered in Austin, Texas. The company first gained recognition for its steel doors and windows but has since expanded into custom wood window offerings. Their goal has always been to serve architects, builders, and property owners who want strong design combined with modern performance.
I’ve come across Portella in projects where mixed materials were required. For you, this means the flexibility of combining steel and wood solutions under one roof. That makes coordination easier when your project has varied design needs.
Products & Services
Products
- Custom Wood Windows
- Steel Windows and Doors
- Thermally Broken Systems
- Sliding and Folding Door Systems
- Specialty Shapes and Assemblies
Services
- Dealer and Project Support
- Custom Design Consultation
- Technical Resources and Submittals
- Warranty Programs
- Delivery and Logistics Assistance
Quality Control & Assurance
- Raw Material Sourcing and Traceability: Portella selects high-quality wood and steel for their systems. Material specifications are shared in submittals to give you confidence in sourcing.
- Manufacturing Standards and Best Practices: They align with NFRC standards for thermal performance. Their thermally broken systems meet strict requirements for energy efficiency in modern buildings.
- Testing and Verification Processes: Portella provides testing data for energy performance and structural integrity. This helps you prepare documentation needed for permits and approvals.
- Customer Feedback and Resolution: Customer support is managed through direct company lines. Issues are resolved via project teams and warranty service.
Competitive Advantage
Portella’s key advantage is versatility. While many manufacturers focus only on wood, Portella can supply steel and wood units together, helping simplify your procurement process.
They also specialize in thermally broken systems. This means your buildings can stay energy efficient while still achieving the design look you want.
Lastly, their design consultation and technical support give you extra help when coordinating complex projects. For hotels and villas, that reduces headaches during construction.
Pricing & Cost Structure
- General Pricing Strategy: Premium. Their systems are engineered to order and priced accordingly.
- Factors Influencing Pricing: Choice of material system (wood or steel), glazing package, finish, and unit size all influence cost.
- MOQ (Minimum Order Quantity): Orders are project-based, so no strict minimums.
- Bulk Order Discounts: Discounts are available for large projects through dealer bids or direct quotes.
- Payment Terms and Financing Options: Payment terms are set per project and confirmed during the quoting process.
Contact Info
- Website:https://portella.com
- Location: Austin, Texas, USA
- Phone/Email: (512) 263-8851 | info@portella.com
Final Thoughts
In summary, Portella is best for projects mixing wood and steel systems under one vendor. However, their premium pricing may stretch budgets for smaller-scale developments.
8. Heirloom Windows
Heirloom Windows is a specialty manufacturer that focuses on handcrafted wood windows. Based in the United States, they serve customers who want detailed, custom-made solutions for their homes and buildings. Their team is known for blending traditional joinery with modern techniques, creating windows that combine character with durability.
I’ve looked into Heirloom when considering projects that needed creativity in design. For you, they offer flexibility in shapes and detailing, which can be valuable for hotels or villas with distinctive architecture. Their work appeals to businesses that value individuality and craftsmanship in every window.
Products & Services
Products
- Custom Wood Windows
- Arched and Specialty Shapes
- Historic Style Windows
- Double-Hung and Casement Units
- Decorative Glass Options
Services
- Design Consultation
- Shop Drawings and Technical Support
- Warranty Programs
- Dealer and Direct Support
- Project-Specific Fabrication Guidance
Quality Control & Assurance
- Raw Material Sourcing and Traceability: Heirloom selects hardwoods for strength and appearance. This helps you match aesthetics with durability in projects that demand both.
- Manufacturing Standards and Best Practices: They use a blend of traditional and modern woodworking methods. That balance provides authenticity while meeting current performance needs.
- Testing and Verification Processes: Performance details are available for each project. Shop drawings and submittals make it easier for you to present specs during planning.
- Customer Feedback and Resolution: Issues are handled through direct communication with their team. Their smaller size means more personalized resolution for your concerns.
Competitive Advantage
Heirloom’s strength is in creativity and design flexibility. They produce shapes and styles that many larger manufacturers won’t attempt, giving you more design freedom.
They also support projects that need historic accuracy. For hotels or inns located in older buildings, Heirloom provides solutions that maintain character while meeting present-day needs.
Lastly, their customer service feels personal. Working with a smaller company means your project can get closer attention, which adds confidence for specialized jobs.
Pricing & Cost Structure
- General Pricing Strategy: Premium. Costs reflect handcrafted work and custom detail.
- Factors Influencing Pricing: Species, shapes, size, finish, and glass selection all affect pricing.
- MOQ (Minimum Order Quantity): Orders are project-based, with flexibility for small or large runs.
- Bulk Order Discounts: Pricing can be adjusted for larger, repeated orders but most work is custom.
- Payment Terms and Financing Options: Typically requires deposits, with balance due at delivery or installation.
Contact Info
- Website:https://www.heirloomwindows.com
- Location: United States
- Phone/Email: Provided on contact page | info@heirloomwindows.com
Final Thoughts
Heirloom Windows is best for boutique hotels, villas, and heritage properties needing creative window solutions. However, their handcrafted methods can mean longer lead times and higher costs compared to mass producers.
Conclusion
When I first replaced windows in my villa, I learned how the wrong choice leads to wasted money and unhappy guests. That lesson pushed me to compare manufacturers more carefully.
This review showed you 8 strong options, each with strengths that fit different projects. Whether you need heritage accuracy, premium finishes, or large-scale supply, the right partner makes all the difference.
Don’t leave your project to chance, review the details again and match them to your needs.
For flexible, factory-direct solutions, contact Vallisco today and see how they can support your next build.
