The aim is to contribute to the increased use of renewable energies in the production of thermal energy. In particular, non-conventional waste biomasses of agricultural origin and some types of forest origin are studied to be introduced in heat production systems in the domestic, service and industrial sectors. For this purpose, it is necessary to improve the characterisation and knowledge of the behaviour of their ashes in order to minimise their problems. This is done through the selection of fuels, the execution of experimental tests and the design of new predictive tools.
Solar thermal energy, at low or high temperature, represents an alternative in the generation of electrical energy for both the residential and industrial sectors (DHW, heating, industrial processes, etc.). The incorporation of these systems in buildings can lead to high energy efficiency and near-zero emission buildings (NZEB).