From my exprience voltas 1.5 ton ac is more faverable ac for everyone.its use is very simple and one of the best part of this ac is it required less power for its working.and I feel very comfert with this ac .its wind is very cool and My family feels very happy with this ac .here the temperature of the room is more comfertable and sweetable for my family with this ac.its seems me as it is the best ac of india and its cooling is more sweetable.my family is so happy with this happy.and I it is the best ac of india.here no sound are come.i am so much satisfy with this ac.