Ground Source Heat Pumps contribute greatly to energy saving and emission reduction. In Europe, a sustainable market has only been established in some countries like Sweden, Switzerland, Germany and Austria. One of the barriers to a sustainable and growing geothermal market is the lack of appropriate skilled personel, and quality of design and drilling are not always satisfactory. Furthermore to keep quality up, a certification programme for GSHP workforce is required. The objective of this project is to launch a massive programme of training and prepare a certification scheme specifically for desiners and drillers of geothermal installations. The action is will include preparation of a tailored training programme, collation and adaptation of existing training materials, organisation of training courses and establishing an e-learning platform. Training structures will be established for professionals of the geothermal sector in at least 8 EU countries. An European certification framework will be developed. Certain standards and codes will be suggested to permit harmonization where appropriate.