Once again to Filipe Saraiva-Architects has the honor of presenting the design of efficient House at the invitation of the National Geographic Channel. The event started Wednesday May 26 2010 at the Museum of electricity in Lisbon and with the aim of promoting Science month, exposure to the NGC design by EDP. The architectural project, coordinated by Arch. Filipe Saraiva, was developed in partnership with the NGC and ADENE support. It is a prefabricated model, based on the principles of bioclimatic architecture, which for its constructive and architectural features, results in an environmentally friendly House. The interconnection of some passive energy systems in the building, contributing to reduce energy consumption and the emission of Co2 into the atmosphere. The House obtained the energy certification with A +, and will be on display in the Pavilion of knowledge in the Parque das Nações.