Livestock barns have numerous systems - from ventilation and fans to alarms - that help maintain the health and safety of your animals. Controllers make it simple to optimally manage these systems. Farmer Boy carries a selection of all-in-one controllers, ventilation controls, and alarm controls to fit the needs of any operation. Shop below for controllers. If you need help placing a custom alarm or ventilation system order, contact our sales team at 1-800-845-3374 for assistance!