An air diffuser for a heating, ventilation, and/or air conditioning (HVAC) system includes a variable flow adapter including a plurality of nozzles and a damper. The variable flow adapter is configured to receive conditioned air from the HVAC system. The air diffuser also includes an actuator coupled to the damper and configured to actuate the damper between a first configuration and a second configuration. The damper is configured to block the conditioned air from passing therethrough and direct the conditioned air through the plurality of nozzles in the first configuration. Additionally, the damper is configured to open to direct the conditioned air therethrough in the second configuration.