- 1). The most important step when choosing the right AC unit is noting the size of the area that you want cooled. Manufacturers of AC units have different models capable of cooling different-size rooms and areas, so you want to be sure that you know the size of the rooms you want cooled. Having a set budget also is important when buying the right AC unit. AC units can be expensive, which is why it is important to know the size of the space you want cooled, because you do not want to buy an expensive AC unit if you are only looking to cool a smaller space or home.
- 2). The technology in AC units has increased greatly in the last few years, which is good news for consumers looking to better value out of their purchase. AC units' power is measured in BTUs, or British Thermal Units, and BTU's measure how much energy is required to raise the temperature of a room by 1 degree. Generally speaking, the greater the amount of BTU's in your AC unit, the greater the power your AC has to change the room's temperature. Manufacturers of AC units have incorporated new technologies, like Energy Star, to help reduce energy and power output in their units, saving consumers money in the process.
- 3). There are two main types of different air conditioner units: central air conditioners and room model air conditioners. The difference between the two types of ACs is that central ACs cool your entire house, while room model ACs cool a room or area, depending on its power. Central AC units are more expensive than room model ACs, and central ACs can also function as heaters. Room model ACs are ideal if you are looking and to cool a confined space and typically come in three sizes: small, mid-size and large. Some room model ACs have features, including a remote controller, power-saver modes, dehumidifying modes and fresh-air intakes.
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