Solaria is Puerto Rico's first predesigned EcoHouse. It is a prototype used as a showroom and research tool by the Puerto Rico Energy Center at the University of Turabo.Solaria is a two bedroom house with a Net Metering Photovoltaic Energy System, Water Harvesting System, Reuse of Graywaters, Solar Water Heater, and composting toilet.Passive design strategies are central to the architectural solution including natural day lighting and natural ventilation.