A 5th generation district heating and cooling non-profit needs a new logo

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This customer received 74 logo designs from 39 designers. They chose this logo design from Rosalie.. as the winning design.
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Termonet Danmark is a non-profit association with the purpose of promoting the development and spread of thermonets. A thermonet is a 5th generation district heating and cooling grid, the utilize primarily shallow geothermal energy to provide heating and cooling from renewable energy sources.
We are a national organisation located in Denmark. In the future we envision a Thermonet Europe, and other national associations in different countries. The logo should be adaptable to such a situation, and despite different variations of the word thermonet (e.g. termonet in Danish), contain some recognizable element.
Our current logo is visible on our website: https://termonet.dk/
There is an introduction video to the thermonet here: https://www.youtube.com/watch?v=EUJ9YyPZ1iw
(Danish speak, english subtitles)
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Logo Text
Termonet DK
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Requirements
Nice to have
- The essence of thermonet is: heating and cooling, uninsulated pipes connecting geothermal heatpumps, energy infrastructure, geothermal energy, renewable energy, seasonal energy storage.
Should not have
- No flames in the logo please, combustion is not a good way to represent heating from a thermonet.