Air-conditioner is a kind of machine used at home, at the office or in the shopping hall and any other places.It is designed to change the air temperature and humidity within an area.Air-conditioner is used for cooling and sometimes heati
When summer comes, the air is stuffy and the temperature is so high. Thanks to the invention of air-condition, people are no longer suffer to the hot weather, they can stay at the indoors and enjoy the coolness that air-condition brings.
In recent years, the air-conditioner has become one of the many indispensable electrical appliances for thousands upon thousands of families, especially those in the south, where the intense heat overwhelms the earth throughout the summer