The maintenance of certain aspects of the environment within a defined space to facilitate the function of that space; aspects controlled include air temperature and motion, radiant heat level, moisture, and concentration of pollutants such as dust, microorganisms, and gases. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)

Synonyms: Conditioning, Air, Climate Control, Air Revitalization, Air Conditioning, Revitalization, Air, Climate Controls, Air Revitalizations, Control, Climate, Revitalizations, Air, Conditionings, Air, Air Conditionings, Controls, Climate