What kind of "noise" is normal when the air conditioner works?

How often does the air conditioner need fluorine?

Why does the whole machine have no reaction?

In winter, when users use the air conditioner, they find that there will be hot air and cold air. Why?

When the air conditioner is heating, why does the air outlet of the indoor unit smell plastic?

Why doesn't the outdoor unit drip water when air conditioning heating?

In the heating process, why does the indoor unit stop air supply for a period of time and then turn on automatically after a few minutes?

In heating mode, why is there no wind when it is just started?

Why has the air conditioner been on for half an hour and the indoor temperature has not reached the ideal effect?

When the air conditioner is cooling, the ventilation of the indoor unit is not smooth (the wind speed is fast or slow), and the wind is not too cold. What is the reason for this?

If the indoor temperature can't be lowered, is there a fault with the air conditioner?

Some people think that the slight odor from the air conditioner is caused by the leakage of freon, right?

What's the secret of air conditioning maintenance?

When the air conditioner is running, some products will occasionally produce "Hua Hua" sound, is it normal?

During the first ten minutes when the air conditioner starts up, sometimes it makes a "split beat" sound. Is it normal?

Why is the sound of outdoor unit running high and low?

The installation position of outdoor unit of air conditioner is higher than that of indoor unit, is it normal?

When installing the air conditioner, if it is necessary to adjust the circuit and power supply, why should we ask a professional electrician to operate it?

Is the power line design of indoor air conditioner too short?

What have hung up and cabinet machines without plug? Why doesn't the manufacturer provide air switch?

Why can't the air conditioner start immediately after it's shut down?

How to use air conditioning to save energy?

How to use air conditioning more healthy?

How to use air conditioner correctly?