The city of Alta being situated over the Polar circle, the rough climate of this region requires practices of installations totally different from ours, both at the level heating and piping of water. It will allow our students to master new technologies, to have a better control of the renewable energies, the geothermal science,....There are in the host partners more specifications that should be discovered. This project will organize a 3 week in April 2017 and April 2018, for 20 students of grade 4 (CEC) of the sector construction and more exactly of the option "Heating". Two schools in the Federation Wallonia-Brussels are involved in this project.The host partners are three and have a real expertise in European mobility.The objective of this mobility is to acquire sufficient professional skills to find a job.The aim is also to acquire a capacity of adaption to novelty and actual working conditions in a different human, geographical and cultural context. The interest of the project also lies in developing the spirit of solidarity and openness to other people. Links created with other countries of the European Union allows the construction of European citizenship. This project is framed by the CCGPE DGEO and offers all the guarantees for it to be conducted effectively.