Pull the unit forward while an assistant holds the case until it is fully withdrawn.
Install a window air conditioner in the wall.
Your appliances should also have come with an installation guide that you can tape onto the wall and trace its outline.
This allows for a replacement unit which might be larger.
Once you locate 3 4 wall studs mark them on the drywall with an x using a pencil.
Install the case or sleeve into the opening.
Then measure the width of your through the wall air conditioner and transfer that measurement to the wall where the studs were marked.
Allow several inches of the case or sleeve to protrude from the wall into the room.
Build a jamb box of 1 6 pre primed pine about 4 inches wider and 4 inches taller than the air conditioner required.
Once the window air conditioner is secure take some final steps to help keep the warm air outside and the cool air inside.
Window air conditioners often come with a foam insulating strip.
Remove unit front cover and screws that hold the unit inside its case.