Demand based control, variable exhaust fan controls, heat recovery, etc. have significant impact on saving energy in labs. Building a holistic model of these systems , when these approaches interact with each other can be a challenge. An energy analysis tool was developed to address these concerns. This presentation discusses this energy analysis tool that measures actual savings of completed projects. Case studies showing the energy savings modeled compared with actual airflow savings and energy performance is presented. Lessons learned is also presented, explaining why some of these lab projects were not initially achieving their energy savings.
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