1sockchuck writes: Facebook has been able to use fresh air to cool its servers on 102 degree days in North Carolina, the company said today. The strategy, which it first used in Oregon's cool climate, allows Facebook to slash its power bill by eliminating mechanical cooling. To make its free cooling work in a warmer climate, Facebook raised its server inlet temps to 85 degrees F, a strategy supported by The Green Grid but lightly implemented in the data center industry, By fine-tuning its temperature and humidity range, Facebook was able to run its servers more efficiently in North Carolina than in Oregon.
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