TECSOL has been working as an independent consultant in the field of renewable energy applications since 1982. TECSOL's work covers the rational use of energy and solar energy (thermal and photovoltaic). It is also highly competent in thermal engineering and has many references. With 5 regional offices, numerous partnership agreements and with a branch company in Barcelona, an office in Guadeloupe and another one in La Réunion island (Indian Ocean). TECSOL can operate worldwide TECSOL has a staff of 40, including 34 engineers, and has overseen numerous collective and individual thermal solar and photovoltaic projects in Europe and worldwide. It deals with private and public clients and its main activities are: technical consultancy specialized in energetics, design, and planning of PV, solar thermal (DHW, heating and cooling) and HVAC systems, engineering in telemonitoring; R&D activities (international and national private and public funded projects) and renewable energy market studies. In the past 10 years TECSOL participated in about 30 national and international projects and at present is involved as a partner in several ongoing projects, funded within various EU programs.