Terms of Use
Last updated: March 2026
1. Introduction
These Terms of Use ("Terms") govern access to and use of the Meval web-based tool ("Service") provided by HEBES Intelligence. The Service enables registered users to perform measurement and verification (M&V) of energy savings in buildings through data analysis, modeling, and reporting tools.
By accessing or using the Service, you agree to be bound by these Terms. If you do not agree, you must not use the Service.
2. Eligibility and Account Registration
Use of the Service requires the creation of a registered user account.
You agree to:
- Provide accurate, current, and complete information during registration
- Maintain the confidentiality of your login credentials
- Be responsible for all activity under your account
- Notify us immediately of any unauthorized access or security breach
We reserve the right to suspend or terminate accounts that violate these Terms.
3. Description of the Service
The Service provides tools for:
- Uploading and managing building-related data
- Uploading and processing sensor and meter time-series data
- Running analytical models for energy performance evaluation
- Generating reports, insights, and verification results related to energy savings
The Service may use automated algorithms and machine learning models to process user-provided data and generate outputs.
4. User Data and Ownership
4.1 User Data
Users may upload or input data including but not limited to:
- Building geometry and characteristics
- Energy consumption and meter data
- Sensor and IoT time-series data
- Configuration and operational parameters
You retain ownership of your uploaded data ("User Data").
4.2 License to Use User Data
By submitting User Data, you grant us a non-exclusive, worldwide, royalty-free license to:
- Host, store, process, and analyze the data
- Use the data solely for the purpose of providing and improving the Service
- Generate outputs, models, and derived results for your account
We do not sell User Data or use it for unrelated commercial purposes.
5. Generated Data and Outputs
The Service may generate:
- Energy savings calculations
- Verification results
- Models and model parameters
- Reports and visualizations
Unless otherwise agreed in writing:
- You retain rights to outputs generated specifically for your use
- We retain rights to underlying platform technology, algorithms, and generic models
Outputs are provided for informational purposes and may not be used as the sole basis for financial, regulatory, or legal decisions.
6. Data Storage and Retention
We store:
- User account data
- Uploaded datasets
- Derived analytical results
- System logs necessary for operation and security
Data is retained for as long as necessary to provide the Service or as required by law.
We may delete inactive accounts and associated data after reasonable notice.
7. Acceptable Use
You agree not to:
- Upload unlawful, harmful, or infringing content
- Attempt to reverse engineer, exploit, or disrupt the Service
- Introduce malicious code or attempt unauthorized access
- Misrepresent data or results produced by the Service
- Use the Service in violation of applicable laws or regulations
We may restrict or terminate access if misuse is detected.
8. Data Security
We implement reasonable technical and organizational measures to protect data, including:
- Access controls and authentication mechanisms
- Encryption in transit where applicable
- Secure storage of sensitive information
However, no system is completely secure, and we cannot guarantee absolute security.
9. Availability and Changes
We aim to keep the Service available and operational but do not guarantee uninterrupted access.
We may:
- Modify or update features
- Suspend service for maintenance
- Discontinue parts of the Service with reasonable notice
10. Disclaimer of Warranties
The Service is provided "as is" and "as available."
We do not guarantee:
- Accuracy of energy savings calculations or models
- Fitness for a particular purpose
- Regulatory compliance of generated results
Users are responsible for validating outputs before use in critical decisions.
11. Limitation of Liability
To the maximum extent permitted by law, we are not liable for:
- Indirect or consequential damages
- Loss of data or profits
- Decisions made based on Service outputs
Our total liability shall not exceed the amount paid by you (if any) for use of the Service in the preceding 12 months.
12. Intellectual Property
All software, algorithms, interfaces, and documentation remain the property of HEBES Intelligence or its licensors.
No rights are granted except as explicitly stated in these Terms.
13. Termination
We may suspend or terminate access if:
- You violate these Terms
- Required by law or regulation
- Necessary to protect the integrity of the Service
Upon termination, your right to use the Service ceases immediately.
14. Governing Law
These Terms shall be governed by the laws of Greece, without regard to conflict of law principles.