[ASHRAE Standard 62.2]:reducing the temperature of a fluid by using vapor compression, absorption, desiccant dehumidification combined with evaporative cooling, or other energy-driven thermodynamic means. Indirect or direct evaporative cooling alone is not considered mechanical cooling.[EN 16798-1:2019, 3.17]:cooling of the indoor environment by mechanical means used to provide cooling of supply airNote 1 to entry: This includes fan coil units, chilled ceilings and beams cooled surfaces, etc.Note 2 to entry: Opening of windows during night and day time or mechanical supply of cold outdoor air is not regarded as mechanical cooling.