• Denergy

    Global solutions in engineering and energy saving

  • D-Rex

    Advanced systems for energy efficiency at no cost

  • D-Lux

    Studies and advice on energy efficient

  • D-Ignis

    Thermographic analysis of high precision

  • Yoctobit

    Advanced control and monitoring of comprehensive automated processes

  • Fundway

    Performance Management and Investment Control



Is a company created in 1994 by M. Gudayol (until 1993 Delegate Ese.SA company instrumental natural gas among other activities was the installation of cogeneration and termofrigorífica thermal, cogeneration, gas absorption chillers, gasificacions populations .. ..) and DenaGas (partner company Repsol Butano consultant).

DenerGy, designed and cogeneration equipment to develop Propane Gas by Repsol. Among the equipment developed are: thermoelectric cogeneration Gas for rural areas, increased efficiency in small generations batteries, cogeneration termofrigorífica high temperature for slaughterhouses and cogeneration termofrigorífica low temperature for cold storage.


After more than 15 years, currently has DenerGy Classification interviews with D letter issued by the Advisory Board of the Government of Catalonia, engineers physical presence in major centers for the Organization and Management of Maintenance, has created solutions like D -Rex, D-Lux, D-Ignis, Yoctobit ... enterprise systems engineers to ICT R & D for energy efficiency and savings ...everything to make quality a habit and a frame of reference at work, looking for principles to be followed to perform customer service. These systems work can provide the vision that is about the most important aspect of the service, the customer. Always positive, given the dynamic and open nature transient and variable immediate services with the philosophy of "all problems have a solution," if it is based on ethical foundations and techniques.


DenerGy annually engages more than 25% of Prevent R+I+D+C.

Certifications and quality


  • Patent technology software Grup DenergypdfView

  • Patent technology D.RexpdfView

  • Patent technology D.LuxpdfView


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Media Denergy

Did you know that?

bombetaThe influence of temperature on consumption

  • The increase of the degree of the selected temperature in heating operation accounts for between 5 and 7% increase in energy consumption coves faction.

  • The increased degree of each operating mode less cooling increases between 8 and 10% energy for cooling.