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VierWende Community

The following link leads to the VierWende Community, an external service provided by the non-profit consulting firm co2online in Berlin. Please note that the state capital of Mainz accepts no liability for the content of external websites.

VierWende Community (opens in a new tab)
co2online community VierWende factsheet

In addition to direct exchanges with other homeowners in the forum, there are various offerings such as digital energy consultations, online seminars, lectures, and experience reports from the field of energy-efficient building renovation. These offerings are organized and managed by co2online.

Please note that some services are subject to a fee. The terms of use and further information on membership and costs are available on the VierWende Community homepage.

Terms of use of the VierWende Community (opens in a new tab)
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This website was automatically translated using AI

This website was automatically translated by DeepL's AI. It is possible that the machine translations may not fully correspond to the original text. The State Capital of Mainz assumes no liability for the accuracy, completeness, or timeliness of the translations. Furthermore, there is no guarantee that all content on mainz.de will be fully translated —for example, applications integrated as i-frames (such as “Lost and Found Online”), content embedded via interfaces (such as the events calendar), and files (e.g., PDFs, images, graphics) may not be translated. No liability is assumed for damages resulting from missing, incomplete, or incorrect translations.

When accessing the pages, personal data remains anonymous, as no data is transmitted to the service provider. The translated content is stored locally on the web server of the State Capital of Mainz and made available directly from there.

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