In response to the undeniable reality of climate change, this thesis explores the pressing need for sustainable solutions, focusing on the revitalization of Querio, an abandoned historic village in the Alps between Turin and Aosta. Uninhabited for decades, it provides a distinctive setting to explore the integration of renewable energy and energy-saving systems, with a central emphasis on preserving its unique character. In fact, the thesis navigates the challenge of harmonizing the adoption of such systems while respecting the context's identity, showcasing how neglected territories can be revitalized using renewable energy resources and innovative technologies. In the first section are explored the entities, regulations and initiatives safeguarding cultural and landscape heritage, concluding that recent efforts show a commitment to involving buildings with high heritage and landscape value in addressing climate change.