Nightsky, an innovative night roof spray storage cooling system, provides chilled water to in-slab tubing and fan coils. Passive cooling delivery from the slab cools the building in parallel with the 'active' chilled-water fan coils. Delivering a significant fraction of the building's cooling requirements via the floor slab allows that size of the forced-air delivery system to be reduced. NightSky is most appropriate for large, low-rise buildings that have low-slope roof areas.
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