This is true especially during summer, or if ever you are surprised by a heatwave. Like everything in life, portable AC units have their pluses. Portable air conditioners cool only one room because of the air flow. Some units have sleep/timer/auto mode to reduce energy consumption and operating costs. You can only use a portable AC if you cannot install a window AC. This component is made from high-quality material. Window air conditioners can range from 6,000 up to 12,000BTU. Because tower ACs have a floor unit, unlike window units, they take up more space in the home despite their sleek appearance. Like any other air conditioning system, the portable air conditioner uses refrigerant to flow through its tubes and absorb heat. It can then be programmed to aim automatically towards (or far away from) it. Firstly, you should always ensure that your unit is the right size for where it is situated. If you are wondering about how portable air cooling units work, then the design is not that different. Our mission at Buying Guide is to help you make the right purchasing decision by helping you find what you are looking for. Renters have little choice in installing portable air conditioners. If you are only using your air conditioner in the evenings, it may be possible to use less power. Air conditioners with a single hose can range in price from $100 to $400, depending on the cooling power and build quality. And when it's warm outside, the electric heat pump is used to cool your home.