Terms of Use
Last updated: January 2025
1. Acceptance of terms
By accessing and using PanelFitCalc (panelfitcalc.com), you agree to these Terms of Use in full. If you disagree with any part, please do not use the site.
2. Nature of the service
PanelFitCalc is a free reference calculation tool designed to estimate the number of solar panels, approximate energy output, and indicative structural load on rooftops. The service is provided "as is", without warranties of any kind.
3. Permitted use
You may use this calculator to:
- Obtain indicative estimates for residential or commercial solar systems.
- Compare different panel types at an informational level.
- Export a reference PDF report to share with professionals.
The following are expressly prohibited:
- Using the results of this calculator as the sole basis for engineering, structural design, or electrical installation decisions.
- Reproducing or redistributing the source code without authorization.
- Using automated means (scrapers, bots) to access the site en masse.
4. Disclaimer – Not professional advice
⚠️ IMPORTANT: PanelFitCalc results are reference estimates only. They do not constitute professional advice of any kind (engineering, electrical, structural, legal, or financial). The actual number of panels, energy output, structural load, and project feasibility depend on factors this tool cannot evaluate: actual roof condition, real shading, local codes, permits, ambient temperature, material quality, and others.
Before making any purchasing or installation decision, consult a certified installer and/or a qualified engineer.
5. Limitation of liability
To the maximum extent permitted by applicable law, PanelFitCalc and its creators shall not be liable for any direct, indirect, incidental, special, consequential, or punitive damages arising from the use or inability to use the site, including but not limited to: economic losses, structural damage, installation errors, or decisions made based on the calculator's results.
Use of this tool is at your sole risk.
6. Intellectual property
The design, source code, texts, logos, and other content of PanelFitCalc are the property of their creators and are protected by applicable intellectual property laws. All rights are reserved unless expressly stated otherwise.
The source code may be subject to an MIT or other open source license;
refer to the LICENSE file in the repository for details.
7. Service availability
We do not guarantee continuous availability of the site. We may modify, suspend, or discontinue the service at any time without prior notice.
8. Modifications to these terms
We reserve the right to modify these terms at any time. Changes take effect upon publication on this page. Continued use of the site after changes implies acceptance.
9. Governing law
These terms are governed by the laws in force in the country of operation of the site. Any disputes shall be submitted to the relevant competent courts.
10. Contact
For questions about these terms, visit our contact page.