If you are searching for a new air conditioner then do a lot of research before selecting one. There are different types of air conditioners available in the market that without proper research you will immensely be confused. Since you are going to use it all summer an increased energy bill is what you would expect every month and you will keep paying huge amount on energy bill by making a wrong decision. If you install a unit that is not energy efficient then you will be cursing yourself for having to pay extremely large amount of electricity bill every month. You would definitely want to buy the most energy efficient cooling unit to experience the comfort at lower running cost. The first step to purchasing an air conditioner is to decide whether to purchase a room air conditioner or a central air conditioner. A room air conditioner is capable of cooling only a room. A central air conditioner is capable of cooling larger space hence can cool the entire house. A room air conditioner is cheaper to operate as well as install than a central air conditioner.
It is up to you to decide whether to go for a room air conditioner or a central air conditioner. Both have SEER ratings. If your use is for longer hours, then it is crucial that you choose a higher SEER rating as it will be more economical for you in the long run. Using energy efficient units will also reduce carbon imprints thus saving the environment. Energy star units can help you cut down at least 30% of your energy bill.