Cut a piece of adhesive backed foam weatherstipping to this length.
How to properly put ac in window.
Read the instructions that came with your portable air conditioner carefully.
Choose a location for your portable air conditioner.
Keep it balanced as you slide the flange on the bottom of the case against the outside edge of the windowsill.
Place the air conditioner near both a window and an electrical.
Venting a portable air conditioner through a window 1.
Measure the width of the windowsill and use a pencil to mark.
Here i show how a window ac should be installed.
Peel the paper backing off the cut strip of weatherstripping and position the seal sticky.
Measure the length of the first gap.
Turn the ac back on and wait 15 minutes so you can get an accurate reading on the gauge.
Next pick up the unit and rest it on the bottom of the window frame.
Carefully place the unit in the opening and lower the top sash to hold the unit in place.
After it is off hook up the refrigerant gauges to the valve connections.
You re now ready to place the unit into the window opening.
Then slide the accordion panels onto both sides of the air conditioner if not pre assembled in a guide track.
Open it wide enough to accommodate the height of the air conditioner.
Now your first step is an easy one.
Open the lower window sash and attach the bracket using the provided hardware if necessary.
Then lower the bottom window sash until it rests on the a c and securely against the top flange.
Enlist a helper to set the a c in position.
Take the thick foam rubber.
Air conditioners are deceptively heavy making installing a window ac unit a two person job.
Open the window to provide just enough room for placement of the unit and collapse the accordion panels inward to ensure that they do not interfere with initial positioning.
Screw the vertical mounting flange of each extension to the window jambs.
Before installing a window ac open the window as far as it goes remove the screen and clean the windowsill glass and window frame.
Pull out each extension to close off the space to the left and right of the air conditioner.