Terms of use for the “LUISA” chatbot from LUNOS Lüftungstechnik GmbH & Co. KG

1. Scope of application

These Terms of Use govern the use of the chatbot “LUISA” (hereinafter referred to as ‘chatbot’) of LUNOS Lüftungstechnik GmbH & Co. KG (hereinafter referred to as “LUNOS”). By using the chatbot, you accept these Terms of Use in their currently valid version.

2. Purpose of the chatbot

The chatbot provides information about LUNOS products, services, and company content, as well as general information about residential ventilation. It is designed to make it easier for customers, business partners, and interested parties to access information and to supplement customer support.

3. Scope of functions and availability

The chatbot is offered as a voluntary and free service. LUNOS does not guarantee the constant and trouble-free availability of the chatbot and reserves the right to change, expand, or discontinue the chatbot at any time.

4. No legally binding information

The information provided via the chatbot is for informational purposes only. It does not constitute legally binding advice, assurance, or guarantee. For binding information, please contact LUNOS directly.

AI-generated content may contain errors.

5. Permitted use

The chatbot may only be used for the following purposes:

• Obtaining information about LUNOS products, services, and company content

• Support with general questions about ventilation systems, general home ventilation, and their application in the context of LUNOS products

Any other use is prohibited. Prohibited uses include, but are not limited to:

• Competitive use

  • Use for competitive purposes, in particular for analyzing business strategies, price comparisons, market observations, or for advertising competitive products

  • Use of generated content in connection with competing products (e.g., for the description, interpretation, or documentation of such products)

• Publication and dissemination

  • Publication, reprinting, or distribution of generated content in books, trade journals, scientific papers, websites, forums, blogs, or similar platformso

  • Use of content to create your own products, documentation, or publications that infringe on the rights of third parties or give the impression of being official LUNOS content

• Illegal content

  • Use for the dissemination of illegal, offensive, discriminatory, misleading, or otherwise harmful content

• Automated and technical manipulations

  • Automated queries (e.g., through bots or scripts) that interfere with the operation of the system or extract information from the system

  • Manipulation, circumvention, or attempts to circumvent security mechanisms

  • Analysis, decompilation, or other forms of reverse engineering to uncover system mechanisms or vulnerabilities

• Confidentiality and data protection

  • Entering confidential, personal, or business-critical information into the chatbot, unless expressly permitted by LUNOS

  • Misuse of generated content to disclose confidential data or internal information

• No legally binding information

  • The use of generated content as a substitute for legally binding, medical, technical, or other professional advice is not permitted. The content is for informational purposes only

• Responsible use

  • Users are obliged to independently check generated content for accuracy and appropriateness before further use

  • It is prohibited to use content in a manner that could deceive or mislead third parties

 

6. Disclaimer

LUNOS accepts no liability for the accuracy, completeness, or timeliness of the content provided via the chatbot. Any liability for damages arising directly or indirectly from the use of the chatbot is excluded to the extent permitted by law.

7. Data protection

Personal data may be processed when using the chatbot. However, this is not intended and is prohibited for user input. The chatbot is fully functional without the input of personal data. Processing is carried out in accordance with applicable data protection laws, in particular the GDPR.

Further details can be found in the LUNOS privacy policy.

8. Changes to the Terms of Use

LUNOS reserves the right to change or supplement these Terms of Use at any time. The current version will be published in the chatbot (via links) and on the LUNOS website. Continued use after the changes have come into effect shall be deemed acceptance of these changes.

9. Sanktionen bei Verstößen

In the event of violations of these terms of use, LUNOS reserves the right to temporarily or permanently block access to the chatbot. In addition, legal action, in particular claims for damages, may be taken.

10. Contact

If you have any questions about the terms of use or how to use the chatbot, please contact:

LUNOS Lüftungstechnik GmbH & Co. KG
Wilhelmstraße 31, 13593 Berlin
e-mail: info@lunos.de
Phone: +49 30 362001-0

 

Legal notices

This system uses the following software and software components, among others:

OpenAI:

OpenAI's Agent API for natural language processing and providing AI-powered responses. The underlying language processing technology is based on the GPT (Generative Pre-trained Transformer) series of models provided by OpenAI, LLC, 3180 18th Street, San Francisco, CA 94110, USA.

The use of OpenAI services is subject to compliance with the OpenAI Terms of Service and API License Terms. OpenAI accepts no responsibility for the content generated by this application. Responsibility for the use and evaluation of the generated information lies entirely with the operator of this application.

All rights to the underlying AI technology remain with OpenAI. The content generated by the system may be protected by copyright. Any further use, publication, or systematic archiving of this content may require additional legal framework conditions.

For questions regarding integration, licensing, or data processing, please contact the operator of this system.

Responsibility for the content of this application lies with [LUNOS Lüftungstechnik GmbH & Co. KG für Raumluftsysteme], not with OpenAI. Please note that AI-generated content may not be legally binding or error-free.

This product uses components under the Apache License, Version 2.0. License text: http://www.apache.org/licenses/LICENSE-2.0 © 2025 LUNOS Lüftungstechnik GmbH & Co. KG for room air systems. Changes have been made.

This product uses the gpt-oss:20b and gpt-oss:120b models developed by OpenAI. The model is licensed under the Apache License, Version 2.0. See: https://github.com/openai/gpt-oss

Streamlit:

This application uses, among other things, the open source library Streamlit. This application uses software components licensed under the Apache License 2.0 (https://www.apache.org/licenses/LICENSE-2.0). The full license text is available at the link provided. Other open source components that may be used are documented to the best of our knowledge. The respective licenses and copyrights remain with the original rights holders.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

This product uses the “intfloat/multilingual-e5-base” (embedding and semantic search) model for semantic search of data in, for example, source files, provided under the MIT license by intfloat on Hugging Face:

https://huggingface.co/intfloat/multilingual-e5-base

Model: intfloat/multilingual-e5-base Quelle: https://huggingface.co/intfloat/multilingual-e5-base Lizenz: MIT License intended use: Embedding model for semantic search

Component: LangChain version: 0.2.1 Quelle: https://github.com/langchain-ai/langchain License: MIT License intented use: LLM-orchestrated tool calls and document processing

Component: GPT-OSS 20B Publisher: OpenAI publication: August 2025 Source: https://huggingface.co/openai/gpt-oss-20b License: Apache License, Version 2.0 (January 2004) Intended use: Language model for commercial inference and integration into RAG architecture

Component: Ollama (CLI & Library) Source: https://github.com/ollama/ollama License: MIT License intented use: Management and execution of AI models

Apache License

Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

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8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages.

9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability. END OF TERMS AND CONDITIONS

 

MIT License

Copyright (c) 2023 intfloat

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.