• facility bio

    Facility Bio

    • Justin, TX
    • 933-students
    • 2 x 220 ton chillers
    • 2,200 hour cooling season
    • 893,000 annual ton hours
  • case study situation

    Situation

    • Standard control sequence, no optimization
    • Static CHW supply temperature setpoint
    • System operating at 1.31 kW/ton
  • case study solution

    Solution

    • Convert plant hydronic system to Integrated Primary-SecondaryĀ® (IPS)
    • Implement Xpress Energy Efficiency Dashboard
    • Xpress real-time adaptive algorithms including:
      • Energy-based chiller sequencing
      • Chiller temp optimization
      • Pump speed optimization

Results That Exceed Client Expectations

  • chiller plant optimization savings

    Financial Savings

    • $15,000 annual savings
    • 3.1-year payback

     

  • chiller plant optimization energy savings

    Energy Impact

    • 133,000 kWh saved annually

  • Chilled water plant optimization operational benefits

    Operational Benefits

    • Budget freed up for other needs
    • Real-time energy data for all equipment

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