. Observ-'er, Fondation Energies pour le Monde, quinzième inventaire, La production d'électricité d'origine renouvelable dans le monde, Collection chiffres et statistiques, 2013.

, Renewable Energy Policy Network for the 21st Century, Renewables 2014 Global Status Report, p.214, 2014.

E. Annunziata, M. Frey, F. Rizzi, and . Energy, Towards nearly zero-energy buildings: The state-of-art of national regulations in Europe, Energy, vol.57
DOI : 10.1016/j.energy.2012.11.049

. Nielsen-steffen, Excess heat production of future net zero energy buildings within district heating areas in Denmark, Energy, vol.48, issue.1, 2012.
DOI : 10.1016/j.energy.2012.04.012

C. Virginia and . Sarmiza, Conference Economic Scientific Research, ESPERA, 2013, Renewable energy sources in Romania, Romania

C. Ionescu and . Ciem, HVAC solutions for the passive houses from university politehnica of Bucarest, 2011.

H. Drück and . Multiport, Store -Model, for TRNSYS, Version 1.99F, Institut für Thermodynamik und Wärmetechnik (ITW), 2006.