The Department of Mechanical Engineering at St. Thomas College of Engineering & Technology, Chengannur, is proud to host a One-Day National Seminar on Natural Refrigerant Based HVAC Systems on October 23, 2024. This seminar will bring together industry experts, academicians, researchers, and students to explore the transition to sustainable technologies in the HVAC sector, focusing on the use of natural refrigerants like CO₂. With insights from renowned experts from IIT Madras and CIFT Kochi, participants will gain valuable knowledge about the fundamentals, applications, and recent advancements in natural refrigerant-based systems. Sponsored by SINTEF and The Research Council of Norway, the event aims to promote environmentally friendly and thermodynamically efficient HVAC solutions. A certificate will be issued by IIT Madras in collaboration with ICAR-CIFT, offering an excellent opportunity for professionals, consultants, system designers, and students to enhance their understanding of this emerging technology