Voltas 245 dy 2.0 ton split ac is the tata’s brand split ac.it contains r22 gas for cooling. This is the wonder cooling machine. It contains in star rattings.wonderful cooling maschine for big rooms. Companys customr service is too good. Many more service centres. Two services free from tats voltas company.one year full ac warranty and five year comprassors warranty.remote system is very wonderful system for cantrol for all ac systam. I am use voltas air conditonr from last three years.