An air conditioner is an appliance that is used to rapidly cool down a room by transferring heat from the room and moving it out of the building into an external, often warm, area. The cooled air can then be conveyed through ventilation grilles or doors through ductwork or windows. Air conditioners are used not only in homes but also in offices, shops, and public buildings such as schools, hospitals and public parks. ACs are also used to prevent heat stroke in the winter when the temperature can get very cold. If your home has an air conditioner, you should regularly check on its condition to ensure that it is…