If you go over all of the benefits of purchasing a AC unit then you might be racing to the door in order to buy one, but just the benefits is not the only thing you have to look at when you are buying an AC unit. There are a lot of things that you need to consider before you first make your purchase. You want to make sure that you get the best window air conditioner for your particular needs. The first thing that you must look at is the size of the room that you are looking to heat up. If you are some one who is looking to heat up or coll down a smaller room then the size of the portable unit must not be that big or you will find that your are just waiting money. On the same note, if you are using a unit that is far too small for the particular room that you are using then you will not feel the full effects of having a evaporator AC unit.
The best thing you could do if you a re afraid of running into this problem is that you could google some recommended setting for your air conditioner. Or if you are looking at a certain portable air conditioner then under the settings you will find that they list the best room size for that particular unit. This is a great guide for you to use so you know what size to get. When looking at the specifications of the Ac it will give a wide range of rooms that is is best used for. You need to Saussure the room or rooms that you plan to use this AC for, and then see if it matches up. If you see that is matches up then you know that this is the best portable Ac unit for you. The nest thing you have to conditioner us who exactly is using the AC unit that you have brought.