Terms of Use
Last updated: 15 June 2026
1. The tool
These are free engineering calculators for building services design. Each tool states the standard or correlation it implements and prints its assumptions with the result.
2. Professional responsibility / no warranty
The results are indicative engineering aids. They do not replace the judgment of a qualified engineer or the official text of the standards. You are responsible for verifying every result against the applicable standard and the project conditions before using it in design, construction or procurement. The tool is provided "as is", without warranty of any kind; to the maximum extent permitted by law we are not liable for any loss arising from its use.
3. Your account
You must provide accurate registration details and keep your sign-in secure. We may suspend access that is abusive or violates these terms.
4. Acceptable use
Do not attempt to disrupt, reverse-engineer, scrape at scale, or otherwise misuse the service.
5. Intellectual property
The tool, its design and content are owned by GENIKI THERMANSEON. The referenced standards remain the property of their respective bodies.
6. Changes
We may modify or discontinue the tool or these terms at any time.
7. Governing law
These terms are governed by Greek law and the courts of Greece have jurisdiction. Contact: petros@genikithermanseon.gr.