| The SACs are the foundation of the Custodian Plus Building Management System at the Lodge. | |
| Each SAC is an intelligent microprocessor based controller which is programmed for its specific energy management and temperature control application | |
| There are 126 SAC controllers with varying Input/Output capacities | |
| For the central plant (boilers, chiller) WS1616 controllers are used. | |
| In the roof top air handling units MiniSACs are used. | |
| For room control MicroSACs are used |