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A comment on Whole House Fan and Evaporative Cooler. Parent comment

Re:Whole House Fan and Evaporative Cooler by brudgers on Monday July 23, 2018 @11:39AM (#17593471)
Large buildings commonly use chilled water HVAC systems. The scale at which these systems make sense is larger than a single family residence.

http://www.york.com/for-your-workplace/chilled-water-systems

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Re:Whole House Fan and Evaporative Cooler by anotheramala on Monday July 23, 2018 @12:05PM (#17593651)
Yes I edited my comment. Looks like the approach of vaayu is to directly do evaporative cooling. So a chilled water swamp cooler. The commercial systems use the chilled water in closed coils.
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