This proceedings book presents the papers from the 13th International Meeting on Advances in Thermofluids (IMAT 2024), held from 18 to 19 December in Kuala Lumpur, Malaysia. The topics covered include fields of fluid mechanics, heat transfer, thermodynamics, combustion and all topics related to thermal fluids. The papers also cover applications ranging from power generation, renewable energy, fluid flow, turbomachinery, HVAC and refrigeration. This caters to academics, researchers and engineers from various industries who work in sustainable thermofluid systems while utilizing latest technology advances.