See also:

Fan speed control
Turn the fan control dial left or right to manually control the fan speed. Press the OFF button to turn the system off. Press the AUTO button to return to automatic control of the fan speed. ...

Air pollution
Industrial pollution, the presence of salt in the air in coastal areas, or heavy road salt use accelerates the corrosion process. Road salt also accelerates the disintegration of paint surfaces. ...

Servicing air conditioner
The air conditioner system contains refrigerant under high pressure. To avoid personal injury, any air conditioner service should be done only by an experienced technician with the prope ...