30% gradually, it also depends on your appliances and usage and how many sets of SCALAR ENERGY SAVER STICKER used. Tested and proven ko na din ito bago ko ioffer and actually inantay ko din muna result ng nag offer sakin bago ko sinubukan.
Look my proof sis, i am using 6sets of sticker: aircon, ref, tv, washing, e-fan, and sa extension ko for my rice cooker and boiler.
Ri Ca