If you only remember one thing, make sure you buy a unit that suits the size of the area you want to heat or cool. There is nothing worse than leaving an air conditioner on for hours on end just to find that it has only changed the temperature of the room by a minuscule degree or two. If you get a too small a model it may run continually without cooling or heating the room properly; and if it’s too big, a non-inverter air conditioner will turn off and on more frequently, failing to dehumidify the air. So make sure that you purchase a unit that is designed to heat or cool the area you want to install it in.
Once you have thought about the capacity of the unit, it is important to consider the energy efficiency of it. Knowing how energy efficient the unit is will help you determine how much it will cost to run. Most air conditioners come with an energy rating. The higher the rating, the more energy efficient the unit is.
When purchasing your air conditioning unit, you also want to think about how noisy it will be. There would be nothing worse than installing a unit in your bedroom and it keeping you up all night so make sure you choose one that is reasonably quiet. The amount of noise a unit makes is directly related to the range of airflow settings it has – a maximum airflow will distribute the air in a room more quickly, but the higher the airflow, the noisier it is, so you want one that has a low fan setting.The infamous saying that ‘you get what you pay for’ is true to form with air conditioners. If you buy a cheap unit, you can expect it to be loud, rate poorly in energy efficiency, expensive to run and inadequate for the area you install it in. If you are willing to spend a little more and invest in a higher quality model that is quiet, energy efficient and designed to heat and cool the area you install it in, you and your family will be extremely happy… and comfortable.