Hitachi at is best ac bcz there is no sound nothing disturbing a sound that’s why I like and and Hitachi compny Alco very old and trusted compny and we compeir to athoer compny as prize wise and products wise then Hitachi compny is a best for us bcz arounding 4yers I use hithachi ac and it’s nothing to repering and no problems ya we have free service then one time I call hithachi customers care and second day service man is come and clin ac and he say only clinging and no problem in ac I say yes then better for us and now this is a running 4 & half years running Hitachi ac