225 BCR

NAS Sigonella Naval Exchange

Location: Sigonella, Italy
Owner: U.S. Navy

Since 2011, Sain Engineering Associates, Inc. (SEA) has conducted ASHRAE Level I and II energy and water audits in support of a contract to provide energy project identification and design to the US Navy. All potential energy opportunities were investigated including renewable resources (solar, wind, geothermal, recycling, and alternative fuels) for both building level and installation level efforts. Potential projects were pursued for any energy, water and utility system including: Lighting, electrical distribution, central plants, HVAC, motors, building envelope, sewage potable water distribution, xeriscaping, irrigation and industrial controls.

SEA responsibilities included the following:

  • Identify low and no-cost energy saving opportunities
  • Identify energy conservation measures
  • Energy conservation measures costing analysis
  • Return on investment analysis
  • In-depth energy rate structure analysis
  • Building energy modeling
  • Recommended paths for execution

The Naval Exchange in Sigonella is a large facility measuring over 191,000 square feet with three main areas: the exchange, the commissary, and a food court. Aside from these main areas there are several smaller businesses as well; these include a cell phone store, a barber shop and salon, a car dealership, a laundry facility, a florist, and a supplement store. In the back of the commissary and Naval Exchange are two large areas for receiving and storing merchandise. Recent renovations are switching lights to light emitting diodes and installing new doors on the dairy and cold storage food areas.

SEA evaluated the following building systems:

  • Building envelope
  • Utilities and Metering
  • HVAC controls
  • Chilled Water System
  • Lighting
  • Domestic Hot Water
  • Heating Hot Water on Steam System
  • Air Handling Systems
  • Specialty Systems (Walk-in food cooler condensing units


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