Terms of Use for InstalatorPV Pro

Effective Date: April 20, 2026

These Terms of Use (“Terms”) govern access to and use of the InstalatorPV Pro mobile application, related features, content, calculators, documents, and services (collectively, the “App”) provided by echo signal ("Company", "we", "us", "our"), with its registered office in Poland.

By downloading, accessing, or using the App, you agree to be bound by these Terms. If you do not agree, you must not use the App.

1. Purpose of the App

InstalatorPV Pro is a professional support tool intended to assist installers, designers, and other industry users with photovoltaic, electrical, compliance, economic, and related workflows. The App is provided for informational and operational support purposes only.

The App does not provide engineering certification, legal advice, tax advice, regulatory advice, safety approval, or any binding professional opinion.

2. No Professional Reliance; Independent Verification Required

You acknowledge and agree that:

3. No Warranty of Accuracy or Compliance

While we aim to make the App useful and reliable, we do not warrant that the App or any output is accurate, complete, current, error-free, uninterrupted, suitable for a particular purpose, or compliant with any law, standard, code, subsidy scheme, utility requirement, or market rule.

Regulatory, technical, commercial, and market conditions vary by jurisdiction and may change without notice. Outputs may depend on user inputs, third-party data, assumptions, market profiles, device databases, external services, or information that may be incomplete, outdated, or incorrect.

4. User Responsibilities

You are responsible for:

You must not use the App in a way that is misleading, unlawful, fraudulent, abusive, or infringes third-party rights.

5. Accounts and Access

Certain features may require an account. You are responsible for maintaining the confidentiality of your login credentials and for all activity under your account. We may suspend or terminate access if we reasonably believe you have breached these Terms, misused the App, or created risk for us, other users, or third parties.

6. Subscriptions, Trials, and Payments

Some features may be offered on a paid subscription basis, including free trial periods where stated in the App or app store listing. Billing, renewals, cancellations, and refunds may be processed through the relevant app store or payment provider and may be subject to that provider’s terms and applicable mandatory law.

Unless required otherwise by law, fees already paid are non-refundable.

7. Third-Party Services and Data Sources

The App may rely on third-party services, data providers, APIs, billing platforms, analytics tools, authentication tools, cloud infrastructure, or external datasets. We are not responsible for the availability, accuracy, security, or performance of third-party services or content, or for any loss caused by their failure, delay, modification, or discontinuation.

8. Intellectual Property

The App, including its software, structure, design, databases, text, graphics, trademarks, and other content, is owned by or licensed to the Company and is protected by applicable intellectual property laws. We grant you a limited, non-exclusive, non-transferable, revocable license to use the App for its intended purpose in accordance with these Terms.

You must not copy, reverse engineer, decompile, redistribute, sell, sublicense, or create derivative works from the App except to the extent expressly permitted by applicable law.

9. Disclaimer of Warranties

To the fullest extent permitted by law, the App is provided “as is” and “as available”, without warranties of any kind, whether express, implied, statutory, or otherwise, including implied warranties of merchantability, fitness for a particular purpose, non-infringement, accuracy, availability, or results.

10. Limitation of Liability

To the fullest extent permitted by law, the Company and its directors, officers, employees, contractors, licensors, and affiliates shall not be liable for any indirect, incidental, special, consequential, exemplary, or punitive damages, or for any loss of profits, revenue, business, contracts, goodwill, data, anticipated savings, or opportunity, arising out of or related to the App or your use of or reliance on the App.

To the fullest extent permitted by law, our total aggregate liability arising out of or relating to the App or these Terms shall not exceed the total amount paid by you for the App in the twelve (12) months preceding the event giving rise to the claim, or EUR 100 if no such payment was made.

Nothing in these Terms excludes liability that cannot be excluded under applicable law.

11. Indemnity

You agree to defend, indemnify, and hold harmless the Company and its affiliates, officers, employees, and contractors from and against any claims, losses, liabilities, damages, costs, and expenses, including reasonable legal fees, arising out of or related to your use of the App, your data, your outputs, your projects, or your breach of these Terms.

12. Termination

We may suspend, restrict, or terminate your access to the App at any time, with or without notice, if reasonably necessary for security, maintenance, legal compliance, business reasons, or breach of these Terms. Upon termination, the license granted to you under these Terms ends immediately.

13. Changes to the App or Terms

We may modify the App or these Terms from time to time. Updated Terms become effective when published or otherwise communicated. Continued use of the App after the effective date of the updated Terms constitutes acceptance of the revised Terms.

14. Governing Law and Jurisdiction

These Terms shall be governed by the laws of Poland, excluding its conflict of laws rules. Any disputes arising out of or relating to these Terms shall be submitted to the competent courts of Warsaw, Poland, unless mandatory law provides otherwise.

15. General

If any provision of these Terms is found unenforceable, the remaining provisions remain in full force. These Terms constitute the entire agreement between you and the Company regarding the App and supersede prior understandings relating to the same subject matter.

Contact

Email: support@echosignal-dev.com
Website: https://echosignal-dev.com