Many consumers are purchasing cheap portable air conditioners more and more because of the fact that it is extremely energy efficient and can cool a single area quite effectively. By being able to transfer or relocate the unit from room to room with the set of caster wheels located at the bottom of the unit, any room can be cooled quickly. Great for cooling areas of the home that are warmer, the portable air conditioner unit is a perfect solution.
By first knowing how portable air conditioners work, you can be a better idea of the operating power of this unit. The unit uses the existing air in a room by cycling the air through and then out of the unit. The inlets located on the unit draw in warm air and circulate it through the refrigerant filled coils that then cool it. As the cool air is then blown out through the vents, the temperature of the room begins to reach a lower degree.
There are many different styles of cheap portable air conditioners units found either online, at your local retail department store, or at your nearest hardware store. A single hose unit uses a single exhaust hose to vent the 
unit. The double hosed unit contains two hoses. One hose is for exhaust and the other is the intake hose. The double hosed unit, most often provides you with more cooling power than a single hosed unit.
You can also purchase the dual type that includes heating and cooling. This simply means that the portable unit provides cooling and heat all within a single unit. You will quickly discover that when the temperature outside reaches below thirty degrees, that the heater portion of the unit does not work all that well.
Included in some unit types are those that act as dehumidifiers. Most often all portable air conditioning units are equipped with some sort of dehumidifying qualities; remember that is not their main purpose. If you are looking for a humidifier, be sure to purchase a unit that is designed specifically for that purpose.
Discovering the factors that you require or need before you purchase the best portable air conditioner units, is extremely important when making your final purchase. Get a general idea of the space you are looking to cool and then purchase the unit that has the BTU requirements needed for the space you plan to use the unit in.
Although this one factor is not generally considered when making your purchase, know about the water or condensation drainage can be particularly important. There are some portable air conditioning units that require you to manually empty them a few times a day. Other machines dispose of the drainage through the exhaust hose so you will never have to worry about water or condensation overflow.
Probably one of the most important things to consider is how you plan to vent the unit. Since there are several different sizes and lengths of exhaust hoses don’t think that you are stuck with only one option. You can purchase a separate window venting kits if the one your unit came with does not fit your window requirements.
Last, but not least, knowing about the energy and efficiency the unit has been rated at will give you a better idea of what your electricity bill will be each month. Choosing the unit that has the highest Energy and Efficiency Rating (EER) when you go to make your purchase will save you the most energy and money over the course of time.
When you know what factors are important for you when purchasing cheap portable air conditioners, you can begin shopping right away. There is no doubt that the portable air conditioner unit is a completely viable choice for just about any household or office that will help keep you cool while indoors.