The IIR Congress is organized every four years and gathers refrigeration researchers from all over the world. The 24th Congress program included over 700 talks in 122 technical sessions and 14 workshops covering technologies from low-temperature liquefaction to refrigerated storage to heat pumping and energy recovery. Refrigeration, air conditioning, and heat pumping topics dominated. The presentation highlights the latest research and engineering results, and coinciding and diverging technical opinions. The audience will learn about the state of the art of these technologies and promising technical solutions for ‘improving the quality of life while preserving the earth.'