Everybody has a different body type that reacts a certain way to the weather or change in seasons. Sure a fan will provide some amount of cold and refreshing air but the constant noise and the inefficient cooling can only provide so much comfort. Air conditioners keep your household cool as well as purify the air making your living space much more habitable. However, one needs to choose the right type of AC for their home. Make sure to research the various Air conditioners available in the market before you purchase one as they are a long term investment.