The La Rajoleria 1 project is a shining example of a modern passive house that combines cutting-edge energy efficiency technologies with Mediterranean architectural traditions. The house is certified to the Passive House Premium standard, confirming its exceptional energy efficiency and minimal environmental impact. La Rajoleria 1 is the second house in Catalonia and the eighth in Spain to receive this prestigious certification. Thanks to the use of innovative materials and systems, the house not only consumes minimal energy but also produces more energy than it consumes, making it a true benchmark for sustainable construction. The project is officially registered in the global Passive House Database under the number ID 7814, highlighting its significance on an international level.