In this work we proposed an integration between hospital architecture and the cultivation of microalgae, based on conceptual ideas, where hospital environments would benefit from a significant reduction in CO2 and waste since they would be used by the microalgae for their growth. It would also help to ensure noise reduction, thermal insulation, hot water generation, the production of medicines and the production of biofuel from biomass transferred into electricity, among other advantages that will have repercussions on environmental health and the environment in general. It could be replicated by health systems in different countries.