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Copyright 2020 - NICHOLAS A. CHAZAPIS

 Optimal start-stop:


a. The optimal start-stop algorithm available on most building automation systems (BAS) can predict how long a building or space will take to reach the desired temperature based on the variables that affect it, such as outdoor air temperature, indoor space temperature, and building thermal characteristics.

b. This algorithm can be used to start the AHUs (and chillers/boilers) at the latest possible time to achieve the required space conditions before the space is occupied.

c. Similarly, at the end of the day, the algorithm can help to shut down the cooling or heating plant at the earliest possible time.