6 seal the inner perimeter of the opening with foam weatherstripping often provided.
How to mount a window ac unit.
Before installing a window ac open the window as far as it goes remove the screen and clean the windowsill glass and window frame.
Now pull down the lower.
You need to inspect the window to check if it s in good condition.
Air conditioners are deceptively heavy making installing a window ac unit a two person job.
Raise the window s lower sash and set the a c unit centered on the windowsill.
Caulk around the outer perimeter.
Attach the top rail to the ac unit.
Balance the unit in place.
Then tightly close your window on top of the ac.
Open the lower window sash and attach the bracket using the provided hardware if necessary.
To position the air conditioner on your window you should follow all the.
Slide the accordion extensions to fill the opening and fasten them to the jamb.
The mounting flange at the top of the unit should be flat against the lower window sash.
Check if there s any.
How to install a window air conditioner for maximum efficiency step 1.
Mount the window ac unit.
Most the weight will be hanging out the window so be sure to keep a firm grip on the unit.
Keep the outside out.
Enlist a helper to set the a c in position.
There should be a spot where the window easily slides into place.
Once you close the window your ac should be securely in place.
Most of the unit s weight will be outside so be careful lifting it into place.
Pick up your ac and center it in your window.
With the bottom window sash up as far as.
Window ac units that fit directly into a window opening will have an l shaped rail that attaches to the top of the unit.
Measure the width of the windowsill and use a pencil to mark.
Place the rail on top of the unit and align the holes in the rail with the matching holes in the ac unit.