It is placed in the window of a room that needs cooling and it is often more practical to use than a central A/C system, especially given the fact that it is generally cheaper to operate. You can find different units that come as either horizontal or vertical air conditioners.
It can prevent excessive cooling in rooms that are often not being used and they require considerably less power than most central A/C systems.
In order to maximize efficiency of any air conditioner, it is important to take into consideration the size and BTUs a system will require. The size of the space to be cooled will determine the size of air conditioner that will be needed.
Choosing a unit that is too small for the room you want to cool will generally mean that it will take a long time and additional cost in order to reach a comfortable temperature. Likewise, a system that is too big for the intended space will take up more space in your window in addition to consuming more power than is necessary.
There are two types of window air conditioner units most commonly used, these include a vertical unit or a horizontal unit. The horizontal type is the one that is often seen mounted in windows and it is designed to exhaust warm air outside.
The other type of unit, the vertical type, are typically used in residential properties with tall sliding windows and where a traditional horizontal A/C unit would not be able to fit. You cannot simply turn a horizontal unit sideways in order to make it fit; so, a vertical A/C was made specifically to meet this type of situation.
Nowadays, window units are light and small, making them extremely easy to install and transport. Whichever type you choose, this cooling device has certainly become a major part of many people’s life, especially those who live in an apartment or other smaller living space.