Energy Savings Roadblocks
Having performed data center designs and energy saving projects for more than three decades I have seen many energy conservation programs and projects fail. These energy savings programs may have failed before they started or even shortly after they had been implemented. Often, they didn’t fail due to technical issues or market changes but because of a lack of internal support. Simply, the company or organization didn’t believe in the program and intentional or unintentional created barriers to the success of the program. That said, the barriers weren’t always limited organizational internal beliefs, but were sometimes statutory.
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Written by: Raymond Johnson, II, PE, LEED AP, Senior Associate Principal – Director of Mission Critical
Thus far, this series has focused on Heating, Ventilation and Air Conditioning (HVAC) energy savings method for data centers. In this article we will shift our attention to non-HVAC related energy savings methods that can be performed in the white space. More specifically, we will be looking at IT related energy savings methods. Though admittedly I am not an IT professional, I have been performing energy conservation assessments for a number of years had have seen these methods be successful.
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Written by: Raymond Johnson, II, PE, LEED AP, Senior Associate Principal – Director of Mission Critical
Early data center rack arrangements were often task based, where racks performing similar functions were located in close proximity to each other. There was little attention paid to where the rack inlets and discharges were placed; that is, there were no defined hot and cold aisles. When racks are arranged such that there is no defined hot and cold aisle, the hot air being discharged from the racks mixes with the air entering nearby racks, thus raising the temperature. This condition has two negative impacts.
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Written by: Raymond Johnson, II, PE, LEED AP, Senior Associate Principal – Director of Mission Critical