When choosing an air conditioning system for your home, there are many options to choose from. It is important to first determine the size of the area that needs to be cooled (the square footage), and the amount of time the unit will be in operation in order to choose a unit that will give you the most efficient usage. The two most common forms of air conditioning systems are the central air conditioning system and the room air conditioning system. In a central system, the major components are located outside the house. In a room air conditioning system, the major components are located inside the room that is to be cooled, usually in the window or through-the-wall units. As a general rule of thumb, central air-conditioning is the most cost-effective choice if more than three rooms require conditioning. But to accurately compare costs, you'll need to estimate the expense of purchase, installation, operation, and maintenance of each system; a reliable air-conditioning contractor can help you make this comparison. Contact your local air conditioning professional for more specific information.
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