The University of Virginia has reduced the annual operating cost of Clark Hall by $1.2 million by optimizing the facility's energy performance. Located in Charlottesville, Clark Hall originally opened in 1932 and houses the Department of Environmental Sciences and the Charles L. Brown Science & Engineering Library. A team of UVA engineers, technicians, and specialists called Delta Force reviewed and retrofitted the building's systems and equipment to create a 67 percent savings on annual energy costs. The project included the conversion of all lighting to LED and the installation of low-flow water fixtures. HVAC system controls were upgraded and the performance of air-handling units was improved to provide peak efficiency. Electronic control valves were installed to enable the shutoff of air compressors and the energy recovery system was repaired. An analysis of the building's laboratories allowed airflow rates to be safely scaled back where appropriate. Additionally, the east side of the facility was landscaped to provide storm water mitigation.
Clark Hall has been awarded Silver certification under LEED V4 for the operations and maintenance of existing buildings. Occupants of Clark Hall have also implemented workplace efficiency practices and have been awarded a Silver rating through UVA's Green Workplace program.