My experience withTata voltas split a is very good last three year nothing any problem. service is good minimum time maximum cooling his installer technically good and trained.voltas ac power consumption is low compare to another ac. Low sound easy to operate. Look wise very good easy maintain. My opinion he is free from maintenence.people ask me which ac is best I am recommended for the Tata voltas ac. East or west voltas is the best of best with cheap cost. Thanks for read my reviews