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Sera Engineering was commissioned to assess the HVAC infrastructure of the biological sciences complex at Johns Hopkins University. All HVAC and building automation system systems were surveyed and assessed for age, operating condition, expected useful life and obsolescence. Reductions in system energy use, water use and ability to consolidate equipment were factors considered in long term system replacement recommendations. Where systems were deemed to be acceptable but individual components were in disrepair, in kind component replacement was recommended. Where systems were considered obsolete and/or consumed excessive amounts of energy or water, system wide upgrades were proposed.
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Comprehensive energy audits of various JHU buildings were undertaken as part of a University wide initiative to reduce energy consumption and the resultant carbon footprint. Existing mechanical, electrical and lighting systems and components were analyzed to determine strategies to reduce energy use. Energy Conservation Measures (ECMs) ranging in scope, application and economic payback were identified. Some ECMs were limited to modifications of equipment controls and operation and were implemented quickly for little cost and immediate payback. Other ECMs require infrastructure upgrades and replacement, and will be implemented as part of a long term strategy to improve efficiency and reliability.
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