HVAC and Lighting Energy Audit

HVAC and Lighting Energy Audit photo

Black & Veatch


Philadelphia Water Department Black & Veatch


Philadelphia, PA



Est. savings/year - $123,869

Average payback – 3.2 years




Energy calculations

CSA assisted Black & Veatch in an Energy Audit for the Bureau of Laboratory Services (BLS). The objective of this project was to conduct a facility audit to identify possible energy savings for the HVAC and Electrical systems and to provide recommendations for the required operational, short and long term changes to the equipment or facility to optimize energy efficiency.

Our scope of work involved a basic audit process of drawing reviews, walk-through of the facility, interview of building personnel and review of utility bills with a goal of uncovering major energy loss problems and to provide recommendations for improvement action plans. Cost estimates for the corrective actions were also provided.

An evaluation report was prepared that included tabulation of input data obtained from PWD during site visits and used in analysis; on site inspection results; summaries of analysis calculations completed as part of the audit; summary of recommended actions to achieve the maximum cost benefit in system energy savings and recommendations for improvements. The summary of savings indicated a potential of up to $123,869/year with an average payback of 3.2 years.

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