HVAC in Data Centers

Did you know that raising temperatures in data centers can save hundreds of thousands of dollars in cooling costs? The American Society for Heating, Refrigerating and Air-conditioning Engineers (ASHRAE) expanded its upper limit data center temperature recommendation from 77.6 degrees to 80 degrees in 2009. According to estimates, data center managers can save an impressive 4 percent on energy costs for every degree of upward change in the baseline temperature. Some of the major companies taking advantage of these savings that result from a higher baseline temperature include Google, Intel, and HP. Let’s take a look at how these companies have taken advantage of higher baseline temperatures.

The Google data center in Brussels is maintained at a temperature above 80 degrees. The company has eliminated using chillers even part-time in its data center near Saint-Ghislain, Belgium.

Intel has really turned up the heat by recently stating that 100 degrees isn’t too hot for its data centers. The current temperature levels of between 64 and 69 degrees contributes to electricity costs of $26 billion a year.

HP has been pushing data center temperatures past 95 degrees in order to cut energy costs.


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