Installing window air conditioners can be complicated. Before making a purchase, you need to calculate the size that will best cool your home. Then, you need to make sure the structure is sound. Follow these guidelines to keep your cool.
Prior to Purchase
Before buying a window air conditioner, calculate the area that will be cooled. Not all window air conditioners are created equally, as far as cooling capacity. It's important to know how big a unit you will need to satisfactorily keep your place chilled.
If you rent an apartment or house, attain your landlord's permission, preferably in writing, prior to installing the air conditioner.
Install the Air Conditioner
Take a look at the window and window frame to make sure both are in stable condition. Do not install an air conditioner in a frame that is rotted or in need of repair.
All air conditioners have manufacturer's directions for installation. Follow these instructions. Installation options let you determine how the unit will be supported. Metal brackets or mounting angles should be used for support that's either underneath the unit or fastened from inside. The brackets or interior angles need to be attached to the building and must be sturdy enough to bear the size and weight of the unit.
To prevent shifting, shims may be added below or to the side of the unit. The shims should be fastened to the housing structure.
Use a level to verify if the unit is installed evenly inside. This step avoids possible movement from vibration when the unit runs or outdoor conditions. Air conditioners can be installed so the window can be opened or kept shut. It's a matter of personal preference. Finally, tilt the unit slightly for water drainage. Be careful not to tip the unit back too far or an accident may occur.
Maintain the Unit
Check the unit throughout the season to make sure it is functioning properly and has not shifted in the window frame. Proper maintenance helps the air conditioner run correctly.
 | Like any other large appliance, there are a number of things that can go wrong with an air conditioner. Some of these ailments are more common than others, however, and a few can be easily fixed without calling in an air conditioning contractor. |
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