Education Facility Renovation – Energy

Sector: Education Year: 2016 City: Dourges, France Gross Floor Area (GFA): 6,600 sqm Total Cost: €7.45 million Scope of the Mission: Energy Project Management (~3 years: Program, Design, Construction, Commissioning, Occupancy, Maintenance)

Renovation and extension of an education facility on an occupied site, combining HQE standards, RT2012 and RTex compliance. The project focused on high-performance insulation, advanced glazing, modern HVAC systems, and comprehensive energy & water monitoring, delivering long-term efficiency and occupant comfort.

Detailed Assessment
  • HQE approach with RT2012 and RTex standards.
  • External insulation with double-glazed windows.
  • LED lighting with dimming control system.
  • Airtightness target: Q4 < 1.7 m³/m²·h.
Performance Evaluation
  • Hydro-ejector technology for gas condensing boiler optimization.
  • Seasonal review of dual-flow AHU efficiency (>80%).
  • Verification of envelope integrity and thermal bridges.
Diagnostic Testing
  • Functional testing of dimming lighting controls.
  • HVAC performance and balance testing.
  • Air tightness verification in multiple occupancy zones.
Maintenance Review
  • Creation of preventive maintenance schedules.
  • Training operators on advanced HVAC control features.
  • Asset register updated with performance metrics.
System Optimization
  • Energy and water monitoring integrated for real-time tracking.
  • Adaptive setpoint strategies for seasonal operation.
  • Hydro-ejector technology fine-tuning for efficiency gains.
Efficiency Improvement
  • LED dimming schedule optimization based on daylight.
  • Enhanced fresh air modulation for IAQ and efficiency.
  • Long-term retrofit roadmap for further savings.

Result: An energy-efficient, comfortable education facility meeting stringent performance standards while operating continuously during renovation.