
Luxembourg, European Engineering
Keller minimal windows®
Keller minimal windows® is a worldwide leading designer and manufacturer of innovative, high-quality, and almost frameless aluminum window and door systems.
Craftsman Glazing, in partnership with Keller minimal windows® since 2015, has completed hundreds of projects with a dedicated Keller Processing facility in Vancouver. With 45+ years of industry expertise, we offer unmatched knowledge of Keller systems, delivering maximum glass area, smooth operation, design freedom, and long-term quality. Our focus is on perfection, personal service, and creating luxury spaces that blur the line between indoors and outdoors. Keller minimal windows® provide unique living environments, available with advanced structural and design options. For the full product range.
minimal windows® 4+
Minimal Windows®4+ is characterized by the integration of triple-glazed premium windows, available as sliding or fixed units, perfect for creating expansive glass façades. These windows not only flood interiors with natural light but also open up unobstructed views of nature and seamlessly merge indoor and outdoor areas.


minimal windows® NGS
minimal windows® NGS enables a seamless transition between indoor and outdoor areas through barrier-free openings of entire window façades with heights of up to 6 meters and unlimited length options. Our expertise and continuous development over more than 15 years have enabled us to offer these customized solutions that provide maximum flexibility.
minimal windows® Pivot
Experience the pinnacle of modern architectural design with our Keller minimal windows® pivot door. Unlike traditional door hinges, our pivot door rotates on a vertical axis to make an impressive statement in any room. Glass pivot doors are experiencing a lasting trend in contemporary luxury homes as they add a touch of sophistication to any architectural design.


minimal windows® curve
Discover the extraordinary possibilities of our minimal windows® curve, which makes elegantly curved glass elements possible. curve adds a captivating, fluid, and sometimes futuristic aesthetic to any design with its distinctive curved structures. Each carefully crafted element reflects the meticulous craftsmanship of our team to provide architects, contractors, and private individuals with unparalleled creative freedom.

Select from our extensive portfolio of systems and features, thoughtfully engineered to support the specific requirements of your architectural concept. With exceptional customization capabilities, every product is manufactured to precise specifications, allowing your design intent to be executed with exacting accuracy.
Discover the Keller minimal windows advantage — where refined craftsmanship converges with forward-thinking architectural design.

