Install new air cooled high efficiency screw chiller (variable speed)

Install new fan coils with ECM motors and low temperature heating coils and proper outside air connection

Install new high efficiency condensing boilers

Install controls to do CW and HW temperature reset

Change both CW and HW systems to variable flow

Install dedicated outside air units with energy recovery device

Consider add thermal storage on the chilled water system

Change to water cooled chiller and add water side economizer

Consider a new control system Install occupancy sensors in class rooms