11.You should buy an AC with cooling capacity that fits your room size.
12.As instructed by the manufacturer fixing the leakage and refilling the refrigerant should be conducted by an AC service professional.
13.The sensor gives information about the air temperature in the evaporating coil and adjust the cooling according to the condition in the room.
14.Because of AC frequent on-off, the compressor and fans get broken.
15.According to the passage, regular service and appropriate proper maintenance can help the AC operate well and productively.