Air conditioning can be a large expense, especially if you live in a state with warm weather all year long. To get the most out of yours, make sure it is energy efficient. Older models are worth replacing for this reason. If you do, pay attention to the size of the room the air conditioner will go in. It is not efficient to have a small air conditioner in a large room and vice versa. Another way to get the most out of it is to inspect it. Refrigerants should be checked and blower components should be adjusted and clean.