There is a big debate on whether or not you really need air conditioning because the systems tend to be inefficient by nature.
This comes into play because of the issue of the power that is required to cool the homes where they reside. You will find that there is always a definite increase in the amount of power that the home is using. Of course if you are not practicing any of the energy saving tips that are around then your home may be wasting a lot as it is. The real problem that people find is that the energy bill will have a dramatic jump in the hottest months of the year. For this they tend to blame the air conditioning units but in truth their may be something more to it. In most cases the air conditioning systems are not working properly because they are trying to cool an area that is not sealed up. When this happens the air conditioning is fighting a losing battle and in an effort to win this battle it uses far more power, which in turn drags down the rating it is given for efficiency. This is a common problem among products that have efficiency ratings. More and more the people of the world are not privy to the fact that they are the ones responsible for maintaining the efficiency of the products. This is most often seen in cars, where people allow tire pressure and tune ups to lapse and thereby cause the efficiency of the automobile to fall.
During the hottest months the air conditioning system is battling to keep the house cool. As the sun and the humidity try to raise the internal temperature of the home, the air conditioner fights back in an effort to maintain the comfort level of the home. During this time the air conditioner will continue to run which uses more power. To offset this problem you can do several things. First off you should seal up all leaks and drafts in the home. Cover all the windows in the home with shrink plastic or ensure that the weather seals are working properly. Then you should close off areas where the cooling is not needed. For instance, the attic, where you simply store boxes and items is not a place where the cool air needs to reach. Keep the door closed and sealed so the air conditioner does not try to cool that area.