Cold Aisle and Hot Aisle in Computer Rooms
Cold Aisle: Rows of racks face each other, forming a corridor where cool air is directed. The hot aisle /cold aisle data center layout was originated by IBM in 1992 and it is one of the oldest ways to save energy in the data center. When implemented correctly, they improve efficiency, reduce energy consumption, extend equipment life, and enhance overall reliability. So we look to factors other than the economics of efficiency to evaluate the relative merits of the two. And like choosing between Marvel and DC, you must pick a side: Hot Aisle Containment (HAC) or Cold Aisle Containment (CAC). The system simply aligns server fronts (air intakes) toward a shared cold aisle, and backs (exhausts) toward a shared hot aisle.
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