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Efficient Energy is climate-neutral


Efficient Energy GmbH among the first refrigeration-industry enterprises to have been climate neutral since 2020

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Clean cooling – water as a refrigerant


Article in the English language magazine "engine", March 2021 issue

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Roland Käferig Bolsters Efficient Energy’s Sales Force


Torben Eismann Appointed Head of Sales at Start of the Year.

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Bluezero trademark registered

Bluezero® – Official Trademark for Water as Refrigerant Registered


Efficient Energy registered the name of its technology using water as a refrigerant as a trademark

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