“minimal windows”, are large, almost frameless fixed glass and sliding systems. High, large-scale windows and sliding doors are created ... 

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More information and targeted information available here -
Our offer for experts and sales partners for downloading.

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A selection of the most beautiful KELLER conservatories on 188 pages.
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After more than 34 years of success story, Norbert Keller, founder, regulates the succession planning and future of his company
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Selection of current projects

Habitation - minimal windows®
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KELLER minimal windows® Residential wellness oasis
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KELLER Glasshouse

Home conservatory – Glasshouse® Deluxe
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Home conservatory – Glasshouse® minimal windows
KELLER minimal windows®
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10 good reasons to decide in favour of a KELLER conservatory – Decide on the market leader
in high-end aluminium home conservatory construction!
KELLER AG, growing constantly since 1980 - 30 partners in more than 15 European countries will be pleased to illustrate the good reasons to decide in favour of a KELLER conservatory (also in the office and Horeca field).
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KELLER- international sales partners - competent specialist companies
offering the high quality standards and sophisticated KELLER AG technology. Searching for more partners.
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