What is Static Pressure Reset?  

Static pressure control and AHU EC fan retrofit installation at industrial site.

Static Pressure Reset (SPR) is an intelligent HVAC control strategy that dynamically adjusts an Air Handling Unit’s duct pressure in response to real-time zone demand. Instead of maintaining a wasteful constant pressure, the system lowers the setpoint until at least one VAV damper is nearly wide open. By reducing the resistance AHU fans must overcome, […]