37 years of excellence

For more than 35 years, KELLER has had an international name as a designer and manufacturer of individually-designed home conservatories and high-quality windows and doors. It is our aim to create something special, to develop products which meet the requirements of modern architecture and which correspond to the expectations and demands of the users. The desire for perfection and aesthetics is part of the philosophy which we remind ourselves of each day. Our services are completed with products from carefully-selected specialist companies who meet our high standards.