top of page
miysis_3d_arcadia_villa-contemporaine_vue-04_final.jpg
Keller Minimal windows Logo

Keller minimal windows ®

Since 2011, Craftsman Glazing is extremely proud to maintain our 12 year partnership and showroom with all KELLER minimal windows ® products.  Sharing aligned values with KELLER and successfully completing hundreds of projects and thousands of individual KELLER systems with our dedicated KELLER heavy panel fabrication facility in Vancouver.  Craftsman Glazing has unrivaled knowledge and expertise of KELLER systems.  When you choose Craftsman Glazing + KELLER minimal windows ® for your project you gain 4.5 decades of local industry expertise + uncompromised vision area, efficiency, effortless operation, design freedom, quality and barrier free lifestyle.  Our quest is to create perfection, yet still meet the most extreme, ambitious specifications, while providing reliable long-term functionality.  Special projects require dedication, we strongly believe that personal touch + service is central to success. Committed to enhancing your luxury living space by seamlessly blurring any boundaries between the interior and the exterior spaces. KELLER minimal windows® create exceptional, unique living environments.  Available with additional deflection header + structural adjustment designs.   Explore a selection of our most in-demand KELLER minimal windows ® products. For a complete selection of the KELLER minimal windows ® products we use please refer to the catalogue. 

Keller minimal windows ®

Keller was founded in 1980 by Norbert Keller and they became renowned for their excellent quality, made in Luxembourg products. Launched in 2007, with continuous development and refinement, KELLER minimal windows® is a practically frameless, extremely easy-action sliding window system with a minimalistic facing width of the leaf profile of only 21 mm.  With a unique and exceptionally durable carriage design, the system features single pane,  double + triple insulation glazing in thermal separated aluminum frame profiles. Up to 5 tracks +  Panel heights of up to 6m / 236"  and 1100 lbs weight.  The system is also fully NAFS compliant and is also tested and certified to NFRC performance standards.  Engineered to withstand the globe's toughest conditions. Simple, Elegant Reliability. Electric operation, Freeway, Curved, Guardline + Pivoting systems available. Uw value of ≥ 1.2 W/m2K possible. For more technical details please view the PDF.

Keller minimal windows ® 4+

In response to the ever-increasing demand for energy-optimized window systems, Keller minimal windows®4+ was launched in 2011. The premium version of the triple-glazed design sliding window is the most highly insulated variant and is the perfect solution for the passive house area. With high-quality insulated glass panel, it is possible to achieve a Uw value of ≥ 0.77 W/m2K (U-Factor 0.135).  With a unique and exceptionally durable carriage design, the system features double + triple insulation glazing in thermal separated aluminum frame profiles. Up to 4 tracks +  Panel heights of up to 6m / 236"  and 2200 lbs weight.   The system is also fully NAFS compliant and is also tested and certified to NFRC performance standards.  Engineered to withstand the globe's toughest conditions. Simple, Elegant Reliability. Electric operation, Freeway, Curved, Guardline + Pivoting systems available. For more technical details please view the PDF.

Keller minimal windows ® NGS 

Next Generation Sliding System

Craftsman Glazing will make a special presentation Live from the BAU Munich 2023 on Friday April 21 to introduce the NGS to the North American Market. Keller minimal windows® has never ceased to innovate and continues to develop solutions that respond to ever-changing market trends and demands. The revolutionary and complete redesign of the framework of the Next Generation Sliding minimal windows® system, unifying application for various glazing parameters - is in the focus of the KELLER Development Centre this year. All parts, from connections to seals, from profiles to sliding parts are to be practically reinvented.  These innovations and designs will be released to a wide audience during BAU 2023 April 16-23 2023 in Munich. Keller minimal windows® NGS is a unified design of the Next Generation minimalistic sliding systems, optimized for different thicknesses of glass and applicable to various types of glazing and the combination of its elements. Consolidating four series into One system + one design, unique high-end mechanical systems with no limitations for weight and height.

  • Numerous innovations embedded with IP's pending.

  • Enhanced structural design.

  • Hidden frames and elements, reduced sight lines for a unique minimalist experience – aesthetic design and operation, while maintaining a high level of security.

  • Easy to clean integrated drainage system.

  • Special low-noise movement feature.

  • Enhanced stability and tightness of joints.

  • Advanced insulation values – thermally and acoustically optimized.

  • Barrier-free threshold solutions.

Keller minimal windows ® pivot

minimal windows®/ minimal windows4+® pivot are inward or outward-opening side- hung doors with pivot technology and the same minimalistic frame proportions. This further highlight of the minimal windows® product range enables a further opening variant in the almost frameless design, which can be incorporated brilliantly in 8 different installation types. Where installation space is tight, the innovative rotary leaf hardware also allows many different adjustment options for positioning the rotary leaf axis. A great many of the largest sliding elements can be used. A virtually unlimited combination of sliding and pivoting leaf elements is designed in different tracks.  Up to 6' wide, 10' tall + 775lbs. For more technical details please view the PDF

Keller minimal windows/4+ ® curve

Launched in 2015, minimal windows® curve is the original curved minimal framed system.   The elegance of minimal windows® curve makes new architectural forms possible.  Each configuration expresses exceptional craftsmanship. Keller minimal windows® harnesses the technical expertise and talent of its team to create elements that allow architects and designers a free reign, letting their imaginations take flight. The minimal windows® curve elements are specially made for each project, so every single creation is truly unique. Curved minimal windows® fixed and sliding windows provides one‘s individual creative freedom with a great many aesthetic possibilities, all with they same superior functionality. The flowing contours and subtle transitions allow maximum natural light to infuse any living environment. Generous dimensions, of up to 4.5 m in height, allow the installation of curved elements with a minimum radius of 4 meters. The curved, glazed sections can be opened and closed with ease. For more technical details please view the PDF.