Air Conditioning |
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| Air Conditionings; Air Revitalizations; Climate Controls; Conditioning, Air; Conditionings, Air; Control, Climate; Controls, Climate; Revitalization, Air; Revitalizations, Air | |
| 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) | |