Experimental evaluation of the performance of a prototype hybrid solar photovoltaic-thermal (PV/T) air collector for the integration in sloped roof

Detailed simulation studies on the design and development of PV/T systems are being carried out at the Politecnico di Milano, for their possible integration with a sloped roof. Subsequently, a proto-type PV/T air heating collector has designed, manufactured and tested at the experimental site Parco Lambro in Milan in collaboration with a private industry. Thermal and electric efficiencies have been assessed during several days of experimentation. The present paper shows the results of such tests and focus on the relationships among collector performances and design (integrated with building and HVAC systems) conditions.