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Eilenburger Fenstertechnik

A thoroughly solid company

Eilenburger Fenstertechnik is a solid medium-sized company located in the German Federal State of Saxony. We are your efficient partner for the production and assembly of windows and doors made of plastic and aluminium – for all sophisticated renovation and new construction projects in Europe – from enquiry to acceptance and even beyond. 

Over 20 years of successful market presence speak for themselves. Since its founding in 1990 by Gerold Schwarzer, we have been a reliable partner to the construction industry throughout Germany. As an owner-managed family enterprise we have a special claim:

close cooperative partnership

yesterday, today and tomorrow.


Quality windows from many years of experience


Eilenburger Fenstertechnik GmbH is founded as one of the first joint ventures in Saxony. Start of production with plastic windows on July 2nd


Large-scale investments and start of aluminium component production (windows, doors, facades)


Initial commissioning of automated production line for plastic windows with central processing center


Start of certified production of fire protection elements aluminium-glass: T30/T60/T90


Major investments in latest technologies. Extension of the product protfolio to low-energy and passive house windows


Sustainable optimisation of work processes to increase customer satisfaction


Development of sound-absorbing HAFENCITY windows in different design variants with excellent sound insulation values in partially open condition


As part of the EU research and innovation programme Horizon 2020, Eilenburger Fenstertechnik is supported with funds in the development of the HAFENCITY window