This project focuses on designing a solar room air heater to meet the heating needs of Turtuk Valley School in Ladakh, ensuring a comfortable learning environment during the region’s harsh winters. Developed in collaboration with the Mechanical Department, the design integrates a solar air heater panel by Prof. Rane, which captures solar energy and circulates warm air through a custom-designed suction fan and diffuser system. Field visits to Ladakh provided crucial insights into local climate, culture, and architecture, shaping a solution tailored to the school’s context. Guided by Prof. Prabhu and Prof. B. K. Chakravarthy, the project involved extensive testing to optimise efficiency and reliability. The final prototype offers a sustainable, cost-effective, and eco-friendly heating system, demonstrating how interdisciplinary design and renewable energy can enhance comfort, reduce carbon footprint, and serve as a scalable model for cold, remote regions.