how to allow natural ventilation at night and turn on cooling system during the day in summer [closed]

Could anyone tell me that how to allow natural ventilation at night and turn on cooling system during the day in summer?

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Closed for the following reason "duplicate question" by David Goldwasser 2017-10-03 15:05:17 -0600

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can you specify which software you are using?

mdahlhausen (2017-09-23 22:07:15 -0600) edit

Hi, I am using Openstudio.

justin (2017-09-24 08:42:20 -0600) edit