Many homeowners don't even realize that there are several different types and sizes in air conditioning units. The size of your house as well as how many levels you have in your home will determine what type of air conditioning unit you should purchase. If you don't have enough power, your home may not be adequately cooled. If you have too much power, you might be using more than you need. Either way this can lead to higher bills. My name is Maura, and I am an air conditioning professional. Let me explain to you how to determine just the right air conditioning unit for your home.