Abstract. This article addresses different duct static pressure control strategies which could be implemented in variable air volume airconditioning systems (VAV). Two pressure reset control strategies are compared to the commonly used control solution based on the "Constant static pressure" method. First pressure reset control strategy, known as PID Control, uses signals from VAV boxes controllers to reset duct static pressure in a way that one of the VAV dampers is maintained almost entirely open. Second strategy decreases static pressure setpoint until an adjustable number of pressure requests occur. As a response to the certain amount of requests, static pressure setpoint is increased. This strategy is called Trim & Respond. Both static pressure reset control strategies described in this paper are considered to have more significant potential for energy savings than the ''Constant static pressure'' method. In order to validate this potential, several simulations for different control strategies were carried out and the obtained results are compared and analysed. The theoretical limit of the energy savings -set of the optimal control actions,
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