Terms of Use

Effective date: 1 May 2026. Last updated: May 2026.

These terms govern your access to and use of clearwindow.eu, operated by ClearWindow Sp. z o.o., ul. Marszałkowska 84/92, 00-514 Warsaw, Poland (NIP 5213001894).

1. Informational purpose

All content published on this site is provided for general information only. Nothing here constitutes professional engineering advice, a building permit application, or a recommendation to purchase or install any specific product. Before undertaking any construction or renovation work, consult a licensed architect, certified energy auditor, or qualified installer familiar with local regulations.

2. Accuracy and updates

We make reasonable efforts to keep information accurate and current. Technical standards and regulatory thresholds change; figures cited on this site may not reflect the most recent amendments. Always verify specifications and legal requirements against the current edition of the relevant Polish Standard (PN-EN) or regulation.

3. Disclaimer of liability

ClearWindow Sp. z o.o. accepts no responsibility for decisions made based on information published here, for errors or omissions in the content, or for the content of any external sites linked from this resource. Use of the site is at your own risk.

4. Intellectual property

The text, layout, and original graphics on this site are the property of ClearWindow Sp. z o.o. and are protected under Polish copyright law and applicable EU directives. Reproduction of substantial portions without written permission is prohibited. Images sourced from Wikimedia Commons are used under their respective Creative Commons licences; attribution information is available on the Wikimedia Commons file pages.

5. Acceptable use

You may not use automated tools to scrape content from this site at scale, attempt to interfere with server operation, or misrepresent content from this site as your own original work.

6. External links

Links to third-party resources — including the European Commission, the Polish Institute of Building Technology (ITB), PKN, and UODO — are provided as references. We do not endorse and are not responsible for the content of those sites.

7. Governing law

These terms are governed by Polish law. Any disputes arising from use of this site shall be subject to the jurisdiction of the courts competent for the seat of ClearWindow Sp. z o.o. in Warsaw.

8. Changes

These terms may be revised at any time. The "Last updated" date above indicates when the most recent revision was made. Continued use of the site following a revision constitutes acceptance of the updated terms.

Contact: info@clearwindow.eu | +48 22 345 67 89