For nearly 5 years, the Johns Hopkins Bloomberg School of Public Health has been using freezer monitoring software to track temperature, door openings, and energy use for hundreds of ultra-low temperature freezers. Utilizing this data, JHU sustainability and facilities staff were able to identify outliers, including freezers consuming too much energy, underutilized freezers, and freezers that were being operated incorrectly. This presentation will examine how staff sifted through freezer monitoring data to identify these outlying units and the steps they took to reduce their energy consumption.
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