an actuator is provided for controlling temperatures in a multiple compartment device wherein the actuator includes a housing and a linear oscillator disposed within the housing . the linear oscillator is coupled with an integral push rod , wherein the linear oscillator is adapted to reciprocably move the push rod along its longitudinal axis . in addition , the actuator includes a holder including a rigid member and a pin aperture . the sliding member has a knob on one end and first clip connector at an other end , the sliding member having a range of motion limited by the rigid member . the push rod has a second clip connector coupled to the first clip connector . a lever arm has a first end and a second end , the first end including a protruding member and the second end including a lever arm aperture and a lever arm pin . the knob is pivotably engaged with the lever arm aperture and the lever arm pin is pivotably engaged with the pin aperture . the protruding member is adapted to pivotably couple with the damper . in an alternate aspect , the present invention also provides a method of fabricating an actuator for facilitating the controlling of temperatures in a refrigerator .