H2P engine

Gallery H2P engine 1
Gallery H2P engine 1
May 2020
Headquarters 75002 Paris, France

H2P engine - A simple and low cost solution for wasted heat recovery in transportation

H2P innovative patented solution provides a solution to reduce the world CO2 emissions while producing energy with a robust yet simple technology.

The H2P hot air engine relies on several technological bricks to extract thermal energy from hot gas and convert heat directly into mechanical/electrical power , hot clean air and in option compressed air. It’s rugged and sustainable : 100% mechanical , no need of electronics to run , no rare-earth and no chemical fluids , only air is working inside.

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Key features

  • 33% Electrical conversion efficiency
  • 85% cogeneration efficiency
  • Devices generates between 3 to 300 kW of electrical power
  • Production of electricity and compressed air


  • More than 15 years lifetime
  • 3-6 years payback

Activity Region

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  • Headquarters
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