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