Yorktown Middle School

Yorktown Middle School was the second school in York County to receive a 100% geothermal heating and air-conditioning system. The building was originally built in 1954 and in 2007 it received a complete renovation. All of the lighting and plumbing fixtures and the entire heating and air-conditioning system were replaced. Windows and doors were also replaced throughout the school. A 27,519 sqft classroom addition with a state of the art Media Center was added to the building and the auditorium, gymnasium and locker rooms received air conditioning. Although the renovation focused on the educational environment it also stressed energy efficiency. Some of the high performance strategies used were:

  • A geothermal heating and cooling system with 82 geothermal heat pumps and 360 vertical loops (300 ft depth)
  • Individual temperature controls in each classroom which allow the occupant to adjust the temperature as needed
  • A Direct Digital Control (DDC) building automation control of the geothermal systems and other equipment
  • T-8 fluorescent lighting throughout
  • Occupancy sensors and bi-level light switching was installed in all classrooms
  • Classroom occupancy sensors interface with the building automation system to reset HVAC equipment when rooms are unoccupied
  • Dedicated fresh air make-up systems
  • Heat wheel equipped energy recovery units
  • Permanent CO2 and humidity monitoring
  • High-efficiency thermal pane windows
Size: 98,917 sq ft
Current Site Energy Intensity: 40.8 kBtu/sq ft
Completed: January 2008
Architect: Rodriguez Ripley Maddux Motley PC
Engineer: Thompson Consulting Engineers, Inc.



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