Retrofit Services Assesment of Energy Related Systems for Buildings and FacilitiesChilled Water System Redesign with Energy Efficient ChillersRedesign of HVAC Ducting System, Supply, Installation, and CommissioningRedesign of Lighting System with Energy Cost Optimization, Lighting Quality Enhancement by Improving Color Reduction Index (CRI) and Melanopic LightGlazing System Improvement by Selective Optimization and Building Envelope ModelingChiller Plant Management OptimizationBuilding Operating Plan and Sequence of Operation OptimizationBuilding Control System Programming for Occupant’s Comfort Enhancement through Lighting and Thermal ComfortPotable Water System Optimization with Water Efficiency Fixtures and Water Savings FixturesDesign Contract Administration and Commissioning of Greywater and Black Water Treatment Plant