Can Water as a Refrigerant Redefine the Future of Green Energy Manufacturing?

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Can water truly redefine the future of green energy manufacturing? That’s the question at the core of Efficient Energy, a German Cleantech Startup that believes passionately in the transformative power of water as a refrigerant. In this article, we’re going to take a closer look at how Efficient Energy is raising the bar in the clean technology and energy industries.

Based in Feldkirchen, Bayern, Germany, Efficient Energy stands as a system supplier and innovative manufacturer of environmentally friendly refrigeration technology. They’re unique, however, in their development of what they’ve termed “Bluezero-technology”, a system that specifically uses water to entirely avoid fluorinated refrigerants (HFCs).

Key Takeaways:

  • Efficient Energy is an innovative Cleantech startup based in Germany specializing in environmentally friendly refrigeration technology.
  • They developed the Bluezero-technology which uses water as the main refrigerant, avoiding harmful fluorinated refrigerants (HFCs).
  • The company’s technology offers long-term, sustainable solutions (eChiller model range) for process cooling, machine cooling, and more.
  • Efficient Energy has received multiple prestigious awards, and recognition by political and media platforms.

The Bluezero-technology allowed Efficient Energy to devise the eChiller model range, which leverages water as a natural refrigerant. These chilled water units perform remarkably well for process cooling, machine cooling, and the cooling of technical equipment and data centres. Depending on the model, they can provide cooling capacities from 35 kW to 120 kW. This unique solution aims to help their clients tackle the increasing regulatory challenges of refrigeration technology.

What sets Efficient Energy apart from its peers is its dedication to both efficiency and environmental sustainability. The eChiller model range is not only a long-lasting solution but also highly cost-efficient and has a minimal CO2 footprint, making it extremely attractive for green-conscious businesses.

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Looking towards the future, Efficient Energy is poised to make a substantial impact in the green energy manufacturing sector. One of the clear advantages of this approach to green energy manufacturing is in how it aligns with the policies of both national and EU regulators. As both the political and business landscape begins to prioritize climate-friendly solutions, businesses leveraging technologies such as that offered by Efficient Energy could find themselves in a regulatorily advantageous position-long term.

Efficient Energy’s innovations have not gone unnoticed. Their innovative approach to creating eco-friendly refrigeration has won them multiple awards, including the Red Herring Europe Top 100 in 2020 and the European Business Award for the Environment 2018/2019. If you are interested in following their exciting journey, their website can be found at Efficient Energy. They are also active on social media such as Twitter and LinkedIn.


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