The shallow geothermal energy is a renewable source, which in recent years has found widespread use in the energy requirements of buildings. Using the natural thermal energy present in the soil, structural foundation elements, as piles, walls, or tunnel linings, can be exploited as ground heat exchangers. It consists of a multifunctional technology which requires multidisciplinary approaches. In the design of energy geostructures, structural problems, heat and mass transfers, as well as coupled hydro-thermo-mechanical response of geomaterials, must be taken into account. Actually, as it is an innovative technology developed over the past 20 years, there is no unified codes and framework, for the analysis and design of energy geostructures.