Free Cooling Fundamentals in Modular HVAC Chillers

Free Cooling Fundamentals in Modular HVAC Chillers


Free Cooling, simply put, is using colder ambient air (colder than the supply chilled water set point) to perform cooling rather than the refrigeration cycle of the chiller. In our HVAC-systems world, the proper technical name is waterside economizer. Many people are familiar with how an airside economizer works but we are talking about a waterside economizer.


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