• facility bio

    Facility Bio

    • Austin, TX
    • 392 bed hotel with office space and dining
    • 3 chillers
    • 2,160 tons
    • Variable Primary system with dedicated primary pumps
    • Variable Condenser Loop with dedicated condenser pumps
  • case study situation

    Situation

    • Chiller plant replacement
    • BAS using standard control sequence
    • Owner needed “day one” optimization
    • System operating at 0.79 kW/ton
  • case study solution

    Solution

    • Implement Xpress Energy Efficiency Dashboard
    • Xpress real-time adaptive algorithms including:
      • Efficiency-based Chiller Sequencing
      • Adaptive Pump Sequencing
      • Chilled Water Temp and Flow Optimization
      • Condenser Water Temp and Flow Optimization

Results That Exceed Client Expectations

  • chiller plant optimization savings

    Financial Savings

    • $80,000 annual savings

     

  • chiller plant optimization energy savings

    Energy Impact

    • 900,000 kWh saved annually
    • .15-.25 monthly kW/ton efficiency improvement

  • Chilled water plant optimization operational benefits

    Operational Benefits

    • 96% optimization uptime/plant run-time
    • Improved equipment performance extends operating life with less equipment wear and tear

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