About InterHaus – Best European Window Supplier
InterHaus Premium Windows and Doors is widely recognized as one of the best Euopean window suppliers in Ontario and Canada, specializing in high-performance European windows and doors for luxury homes, Passive House projects, and modern architectural buildings.
Headquartered in Oakville, Ontario, InterHaus supplies premium fenestration systems to architects, builders, developers, and homeowners across Canada and the United States. Our focus is on delivering advanced European window technology that significantly outperforms traditional North American window systems in energy efficiency, durability, and overall performance.
As a trusted European window supplier in Canada, we provide fully customized solutions tailored to each project’s technical, architectural, and performance requirements.
YOUR LUXURY COMFORT FRAMED IN GLASS
Leading Passive House Window Supplier for High-Performance Projects
InterHaus is proud to be among the best Passive House window suppliers in Canada, offering systems specifically engineered to meet the world’s most demanding energy efficiency standards.
Our European windows feature:
- Triple-pane and advanced glazing technology
- Passive House certified window and door systems
- Ultra-low U-values for superior thermal insulation
- Advanced airtight sealing systems
- Exceptional acoustic insulation
- Multi-point locking hardware for enhanced security
These systems are ideal for Passive House, Net Zero, and high-performance homes, helping reduce energy consumption while improving indoor comfort year-round.
Our windows are engineered to perform exceptionally well in Canadian climates, including Ontario’s harsh winters and temperature fluctuations.
Why InterHaus Is One of the Best Window Suppliers in Ontario
Official Supplier of Europe’s Most Advanced Window Brands
Trusted Window Supplier for Ontario, Canada, and North America
Choosing the right window supplier is critical to ensuring long-term performance, efficiency, and reliability. InterHaus distinguishes itself through technical expertise, premium products, and comprehensive project support.
Our advantages include:
- Direct sourcing from top European manufacturers
- Architectural expertise and technical consultation
- Fully customized window sizing and configurations
- Local warehousing and logistics support in Ontario
- Professional installation and supervision services
- Dedicated after-sales and technical support
- Supply across Ontario, Canada, and the United States
Our team works closely with architects and builders to ensure every window system meets both design and performance objectives.
InterHaus partners directly with Europe’s leading manufacturers, including Internorm, Reynaers, and Schüco. Internorm alone has over 90 years of innovation and is widely considered one of the most advanced window manufacturers in the world.
As an official Internorm dealer in Canada, we supply:
- uPVC European tilt and turn windows
- Timber-aluminum hybrid window systems
- All-aluminum architectural windows and doors
- Lift-and-slide doors and large glazing systems
- Custom engineered window and door solutions
These products are designed to meet the highest standards of thermal performance, durability, and architectural design flexibility.
From our Oakville showroom, InterHaus serves clients across Ontario, including Toronto, Mississauga, Oakville, Burlington, Milton, Ottawa, and surrounding regions.
We are trusted by:
- Architects designing high-performance buildings
- Builders constructing luxury custom homes
- Developers working on modern residential projects
- Homeowners seeking premium European windows
Our commitment to quality, service, and technical excellence has positioned InterHaus as one of the best European window suppliers in Canada.
Our Services
Supply Only
Supply & Install
Supply & Supervision
After Sale Service
At InterHaus Premium European Windows and Doors, we bring together a team of experts dedicated to guiding you through every step of your project.
With a strong background in both design and construction, our team delivers the precision and knowledge required for high-performance projects. Our experience covers:
- Architectural technology and detailing
- Domestic logistics and on-site coordination
- Qualified and experienced installation teams
- CAD and technical design expertise
Whether you are building a Passive House, designing a luxury custom home, or upgrading your existing windows, InterHaus provides industry-leading European window systems backed by expert support and professional service.
Contact InterHaus Premium Windows and Doors today to learn why we are considered one of the best window suppliers in Ontario and Canada.