Bubble noise of air conditioner in windy weather

What you want to ask is: "What is the bubbling sound of the air conditioner in windy weather?" ? The bubbling noise of the air conditioner in windy weather is due to the air coming into the drain pipe. The bubbling noise of air conditioner in windy weather is caused by the wind flowing reversely into the indoor unit of air conditioner along the condensed water drainage pipe, which leads to the blowing noise of the indoor unit.