Business Details
50+ Years
experience
Custom Sustainable Windows & Doors in Ashland, WI
H Window was founded in 1959 in Aalesund, Norway, by inventor Harald Kvasnes, who revolutionized window design with a reversible projecting hinge mechanism. Over six decades, we expanded globally, establishing our US operations in Monticello, MN, in 1987 before relocating to Ashland, WI, where we continue to innovate. Our commitment to sustainable stewardship drives every product, integrating responsible materials like FSC-certified wood, bamboo, and recycled aluminum to minimize environmental impact. Our windows and doors combine exceptional thermal performance with biophilic design, enhancing indoor wellness through natural light and low VOC coatings. With over 45 million hinges sold worldwide and a defect rate of just 0.0006%, we remain a trusted partner for architects and builders seeking durability, energy efficiency, and aesthetic excellence.Our local ownership ensures deep community investment, including philanthropy and ethical employment practices. Today, our team of engineers and craftsmen delivers cutting-edge solutions like the Timber Curtain Wall, extending our legacy of innovation to large-scale commercial projects. We prioritize ease of maintenance, product longevity, and end-of-life recyclability, reflecting our holistic approach to sustainability. Backed by rigorous engineering and AAMA-certified performance standards, our products meet the demands of residential and commercial clients nationwide. This enduring focus on quality, sustainability, and customer collaboration has solidified our reputation as a leader in architectural window and door systems.
Services
Awning Windows
Casement Windows
Direct-Set Windows
Nordic Outswing Doors
Timber Curtain Wall
Details
- Year established: 1959
Highlights and features
- We offer over 60 years of innovation in window and door engineering.
- Our products use FSC-certified wood and recycled materials for sustainability.
- We achieve a 0.0006% defect rate in hinge mechanisms.
- Our local ownership supports community investment and ethical practices.
- We provide easy-to-maintain, long-lasting products with thermal performance.
Associations and certifications
- Forest Stewardship Council (FSC)
Services
Timber Curtain Wall
Our Timber Curtain Wall merges natural beauty with advanced engineering, using sustainably sourced timber for expansive, energy-efficient glass facades. The systems thermal performance reduces energy use through woods inherent insulation and airtight seals. Designed for commercial and residential projects, it offers modular installation and low embodied carbon, aligning with LEED-certified building goals.
Awning Windows
H Windows Awning Windows feature a reversible hinge mechanism for easy cleaning and durability. Engineered with multi-layered glass and thermally broken frames, they provide superior air tightness and energy efficiency. Ideal for modern architecture, these windows maximize natural light while maintaining structural integrity in extreme weather conditions.
Casement Windows
Our Casement Windows combine traditional craftsmanship with modern materials, offering seamless operation and enhanced security. The outswing design prevents water infiltration, while low-E coatings improve thermal performance. Customizable finishes and FSC-certified wood ensure aesthetic and environmental standards meet client specifications.
Nordic Outswing Door
The Nordic Outswing Door series delivers durability and insulation through multi-point locking systems and composite wood-aluminum construction. Designed for cold climates, these doors resist air leakage and condensation, featuring low VOC finishes and easy-access hardware for long-term performance in residential and commercial settings.
Direct-Set Windows
Direct-Set Windows provide minimalist aesthetics with structural glass panels sealed for maximum thermal efficiency. Engineered for new construction or renovations, they eliminate operable components to reduce maintenance while achieving high-performance ratings for energy conservation and noise reduction.
Questions
What makes H Window products sustainable?
We use FSC-certified wood, bamboo, and recycled aluminum, along with low VOC coatings, to minimize environmental impact throughout our products' lifecycles.
Do H Window products meet energy efficiency standards?
Yes. Our windows and doors achieve a 0.16 U-Factor and 81 condensation resistance rating, exceeding industry benchmarks for thermal performance.
Can H Window systems be customized for large projects?
Our Timber Curtain Wall and modular designs allow full customization for commercial and residential projects of any scale.
Are H Window products available nationwide?
Yes. We serve architects and builders across the United States through our authorized dealer network.
What warranty options are available?
We offer comprehensive warranties covering materials and workmanship, with details provided by our sales team upon request.