... ,12000BTU,18000BTU,24000BTU,30000BTUOnly Cooling ,Cooling and heating.1,compressor:TOSHIBA,Mitsubishi,HITACHI,PANASONIC2,Power : 220V-110V. 3,Gas ... Heated with the assistance of PTC , bringing more heat 7:world -famous compressor(taikang or panasonic ) with high quality and ... efficiency,can stand more heat 8: spread wide angle , ...