Volver a Blog ECCN Building septiembre 28, 2020 Nearly Zero Consumption Buildings is the stage prior to Zero Consumption Buildings and these in turn are the stage prior to Self-Sufficient or Positive Production. Buildings Technologies already allow us to approach any of these stadiums and now it is in our hands, it is up to the public or private promoters themselves to indicate which of them we want to address. We are on a path of no return. Our environmental commitment is no longer going backwards.