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A cleaner and more efficient cooling technology using water as a refrigerant

June 2023
Gallery Golgoth 1
Gallery Golgoth 1


Our solution fight Green House Gases (GHG) by eliminating the need to use Fluor-gases. We design and build game changing compressors and machines that produce clean cooling and clean heating using water (R718) as natural refrigerant through HVAC, Chillers and Heat Pumps. Our solutions are sober and use less electrical energy.

Label Date June 13, 2023
From France
Maturity stage Prototype testing in the real world
Looking For Visibility, Funding, Partners

The environmental benefits

  • 30% less electrical energy consumption
  • High COP (Coefficient Of Performance) > higher than 4.5
  • R718 (water) has 0 impact on Ozone depletion (ODP), 0 impact on Global warming (GWP) and 0 impact on soil contamination
  • 30% reduction of energy consumption

The Financial benefits

  • less than 2 years payback time
  • 3000€ saving/year for a 20 kWth machine

Activity Region

  • /



South america

French Guiana,

  • Headquarters
  • Activity

Company Profile

Leviathan Dynamics

We are developing clean and efficient thermodynamic systems based on water as refrigerant.

View company profile Solution website

Networking Partner


Réseau PEXE, the French Cleantech network, is the leading network of French cleantech clusters. Its main objective is to structure and promote the cleantech industry to accelerate the development of its 5000 SMEs.

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Solutions Associated 24


Capenergies is a french competitiveness Cluster adressing the topic of the energy transition for sustainable territories.

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Solutions Associated 14

Hello Tomorrow

Hello Tomorrow is global non-profit on a mission to unlock the potential of deep tech to solve the world's toughest challenges, by promoting, empowering & connecting deeptech entrepreneurs across the globe with the right enablers

View partner profile
Solutions Associated 31
Contact the Solution Provider Add to Favorites

The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator Leviathan Dynamics has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.