Servo Stabilizer is designed to automatically uphold an endless voltage level for the load of Air-Conditioners to avert undue power failures. In an AC device, a low voltage drop reduces the performance that would also diminish the life-span of the ACs. Industrial sectors and the institution area where AC play an essential role and where the voltage keeps on fluctuating beyond the operating voltage limit. Thus, a Stabilizer for AC becomes very vital as it shields the AC from all sorts of electrical hazards.