Sentera is one of the leading manufacturers of control solutions for HVAC and ventilation systems. Their product range covers different solutions to control AC or EC fan speed, manually or demand based. From simple - yet solid - transformer fan speed controllers, over electronic fan speed controllers to variable frequency drives. For manual control, they have a complete range of potentiometers and control switches! The product range has been further expanded with electric heater controllers, HVAC sensors, sensor controllers, power supply modules and distribution boxes.