Profile: Agri Ventilation Systems, LLC is a manufacturer of ventilation controllers. We deal with environmental controllers & actuators for poultry & livestock housing, and greenhouses. The static pressure controller utilizes a photohelic gauge with adjustable high and low setpoints to manage vent doors under power (fan) ventilation. It includes internally adjustable open and close delays. The AVS digi-pro temperature controller is an electronic control that uses up to 4 remote temperature sensors to monitor house/room temperature to manage a sidewall curtain actuator. It has a second stage output that can be configured for cooling or heating, and an alarm output for high & low temperatures.