Does a window air conditioner need to be centred?

You should always try to centre your window air conditioner in the room and within the window itself, but it needs to be tilted outwards.

There are many factors that you need to take into account before you purchase and install your window air conditioner in your home.

It is always best to centre your window air conditioner in the room and in the window frame even though it needs to be tilted outwards, but it is not absolutely necessary.

What to consider before you install your window air conditioner

Although window air conditioners are less expensive than the larger mini-split and central air conditioning models, you still need to keep a few things in mind before you install your unit, to ensure that you are not wasting your money.

The most important consideration when it comes to purchasing and installing an air conditioning unit, is making sure that the air conditioner has a suitable cooling capacity for your space. Then, you also need to consider the layout of your room and the type of windows that you have.

Does a window air conditioner need to be centred?

Even after you have run through all of these considerations to ensure that you are ready to start the installation process for your window air conditioner, you may still have unanswered questions about the process.

Whether a window air conditioner needs to be centred when it is installed in your home or not, may seem like a simple question, but installing a window air conditioner is not as simple as it seems.

In order to install your window air conditioner so that it will function optimally and look the best in your home, you first need to consider its placement in the room, and then within the window and then its degree of tilt within the window.

This means that your first step to figure out whether you should centre your window air conditioner should be to decide which window it will go in. Here it is best to choose a window that is closest to the centre of your room.

Then, although it is not absolutely necessary, it is best to try and centre your window air conditioning unit in the middle of the window. This will ensure that the unit fits into the window frame correctly.

Once you have the unit in an appropriate window and centred in the window frame, the unit does not need to be level. In fact, window air conditioners need to be tilted slightly to the outside of the house to operate properly.

Should you center a window air conditioner within a room?

It is fairly self-explanatory that a window air conditioner should be installed in a window, but in a room where there are many windows, it can be difficult to decide on the best placement for your unit.

In this case, it is best to try and install your window air conditioner in a window as close to the center of the room as possible. This optimises airflow and allows the window unit to cool your space as quickly as possible.

There are certain exceptions to this rule, for instance, if you do not want to obstruct your view out of the window or if this window gets a lot of direct sunlight, it is better to choose a window that is not as central, but that works better for your specific household and layout.

Should you center a window air conditioner within the window frame?

Once you have decided on a suitable window in which to place your air conditioner, you can begin to install the unit in this window.

Most professionals suggest that you find the centre of your window frame with a measuring tape first, and mark this spot before you place the unit and its mounting bracket in the window frame.

DeWalt Measuring Tape on Amazon

This ensures that the air conditioner will slide into place smoothly and that the panels on the side of the unit can evenly reach to both sides of the window frame. This will also look better once the unit is securely in place.

Should your window air conditioner be level in the window frame?

Window air conditioners do not need to be connected to the duct system or vents in your home, because these units drain and vent themselves automatically outside of your house.

However, in order to do this, the unit needs to be tilted at an angle towards the outside slightly. This tilt should only be two to three degrees and you can measure this with a level or use the built-in level on your mounting bracket, if it has one.

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