Projects

VISN 18 Retro-Commissioning Services, Department of Veterans Affairs

Projects

Energy Engineering

Davenergy provided retro-commissioning for seven VISN 18 Medical Centers (5,036,000 sf) establishing and altering Heating, Ventilation, Air Conditioning (HVAC) and related energy-using systems to optimal operational capabilities located in Arizona, New Mexico and Texas. Services included contract and project management, customer interaction, coordination, quality assurance and oversight for the retro-commissioning services performed by key subcontractors. Davenergy identified $1.4M and 60,000 MMBTUs of annual savings by implementing $3.4M of recommended measures, with a simple payback of 2.4 years. Recommended Corrective Actions and ECMs included implementation of variable Chilled Water and Condenser Temperature setpoints, optimizing economizer routine on AHUs, Chiller Plant Sequence of Operations, Thermal Energy Storage system schedules and reducing of Supply Fan speeds.