If you want to buy air conditioner then this article might be of help. In order to choose the right air conditioner you first have to analyze your room. The size of the room is the basic criteria for selecting the capacity of the air conditioner. It would be a total waste of power, if you install a low capacity air conditioner in a large room. The compressor will keep working and so more electricity will be consumed. At the same time installing a very high capacity air conditioner in a small room will cause over cooling which will again mount to wastage of power.

Further the energy saving rating should also be checked. The better the energy saving rating the lesser electricity it will use up. Next, you need to decide whether it is better to have a window air conditioner unit or a split air conditioner. A window air conditioner sometimes spoils the aesthetics of the room and so people do not prefer it. Next it has to be decided whether it is necessary to have central air conditioning or restrict it to a single room. Finally the cost is the factor that matters the most. Energy efficient air conditioners might be slightly expensive than the others. But in the long run it will help in saving a lot of money in electricity bills.