• The Company NIEŚWIEC

    Znak jakości As a family company we function since 1933 and from the very beginning we produce high quality wooden windows and doors. Our windows and doors are made according to european norms and signed with CE mark.

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  • Wooden windows and doors production technology

    The highest production quality standars, experienced workers as well as modern technology is a guarantee that you will get the wooden windows and doors of your dreams.

Company Nieswiec - Wooden windows and doors producer.



Nieswiec is a familiar company functioning since 1933. Since the very beginning our speciality was production of the highest quality carpentry. We produce windows and doors from many wood species. Consequence and stable growth allowed us to realize investition plans. We created modern digitally controlled machinery, thanks to that our products are created in the best possible environment and face the most rigoristic norms. Many years of tradition as well as experience in carpentry made us trusted company for thousands of buyers.

znak jakości CE

Each order is individually treated. That makes us sure that our offer will face all your expectations concerning performance quality, functionality, thermal insulation and durability, regardles of the weather conditions.

We guarantee maximum satisfaction of our carpentry. Your satisfaction is a confirmation of our prfessionality and enthusiasm for work. We tend to provide you better and more comfortable life in your home or flat.

Our products let you lower heating costs. We take care of their good thermal insulation parametres. These carpentry proves correct in passive houses.

Our specialists will advise in scope of windows as well as doors choice and mounting.

For buyers expecting complex sernice we assure experienced mounting team.

Welcome to cooperate.