Energy Case Study: Henderson County Public Schools

According to ratings received by the U.S. Environmental Protection Agency’s ENERGY STAR program for buildings, both Hillandale and Mills River have nationally ranked in the 90th percentile of K-12 building energy performance in each of their three years of operation. Dave Lyons, Energy Manager for Henderson County Public Schools (HCPS), indicates that “Hillandale and Mills River continue to have the best energy performance of any school in our district.”

Three Year EUI Summary_hi res

Although a wide variety of HVAC, lighting, and building envelope improvements were included in the schools’ design, three main strategies played a central role in delivering energy use reductions:

1) Integrated Daylighting Approach – As daylighting relies on a complex interaction of many different components, Moseley Architects’ designers undertook significant steps to bring these parts together in the right way. Each building on its site follows an east-west (E-W) axis to allow all classrooms to face north or south. Despite different site constraints at each school, both buildings were able to be oriented within 15 degrees of this ideal E-W axis.

2) Demand-Controlled Ventilation And Dedicated Outside Air Systems – To promote further reductions in energy use, Optima Engineering utilized a combination of Demand-controlled Ventilation (DCV) and Dedicated Outside Air Systems (DOAS) in conjunction with the schools’ water source heat pumps.

3) Energy Management And A Culture Of Conservation – Extending beyond the features inherent in Hillandale and Mills River’s design, principals and staff at both schools are taking an active role in keeping their utility costs in check. Mills River’s Principal Todd Murphy concurs, “These are brand new facilities that we’re proud of and we obviously want to take care of them. We look at them as our homes. With our facilities being green schools, we work on incorporating that theme into the classroom as well.”

For more information, download the complete case study here. . . Henderson County Schools Case Study

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