SUSTAINABLE ENGINEERING LEED certified professionals apply LEED Green Building Rating system to design sustainable buildings. HVAC and electrical engineers design energy and cost saving systems to provide comprehensive engineering services. Life Cycle Cost Analysis. Value Engineering. Renovation projects can be improved with smarter energy management design; better lighting; better temperature control; healthier indoor air; and reduced ambient noise. Design of integrated control systems and DDC systems. Management and tracking of building energy upgrades. Perform economic and energy analyses for new centrifugal chillers and upgrades and retrofits. Analyze potential lighting upgrades, providing comprehensive energy and economic analysis of upgrades involving controls, re-lamping, de-lamping, tandem wiring, and other factors.