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An HVAC cooling tower is used for disposing or rejecting heat from chillers. Air cooled chillers are less effecient than water cooled chillers due to rejection of heat from tower water near wet-bulb temperatures.
The components of a cooling tower system are often. delivered to the site before construction of the system. begins. The cooling tower, the heat exchangers, and the pip-. ing may be on-site for weeks or even months prior to setup. and installation. This equipment may be protected from the. weather, moisture, dust, and dirt; or it may be completely. unprotected, for example if the owner or contractor does.