1,compressor:TOSHIBA, Mitsubishi,HITACHI,PANASONIC 2,Power : 220V-110V. 3,Gas: R22 , R410a ,R407C Main functions: 1:Highly efficient ,largely saving electricity ... the assistance of PTC , bringing more heat 7:world -famous compressor(taikang or panasonic ) with high quality and efficiency,can stand ... and cooler 12:computerized smear-controlling air conditioner R410A or R22