Green Grid tool assesses free cooling options
Friday Apr 10, 2009
effective ones is to simply run servers at high-utilization which can save
energy both to power the servers (2x to 5x more work done per unit of work watt!) and therefore you need less energy to cool your datacenters.
Another way to save on the cooling costs side of the equation is use free cooling.
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Free cooling comes in the form of air-side and water-side economizers. With air-side economizers, often called fresh-air cooling, outside air is taken into a data center, usually filtered, and then used to cool the IT equipment. With water-side economizers, the outside air cools water in the outside chiller or water tower, which in turn cools a data center.
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The Green Grid's online calculator includes a series of inputs -- location, temperature and humidity thresholds, IT load, and the cost of electricity are a few -- and at the other end spits out how many hours that data center can use air-side and water-side economizers, and how much money it could save.
For more info also see: www.thegreengrid.org
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