Center the air conditioner in the window opening and position the unit s bottom guide or flange flush against the window stool.
Mounting air conditioner storm window.
Determine whether your window is sliding a double hung or casement style.
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Not every a c fits every type of window.
Most units work only in double hung windows with a bottom sash you can raise and lower.
Measure the length of the windowsill.
To use this type of air conditioner you would need to provide enough support on the outside of the window to properly hold the air conditioner in place with the 3 4 downward tilt as described in the installation guide.
Cut the window sash seal to the window width and stick it adhesive side to the bottom of the sash.
Rest the unit on the bottom of the window frame and mounting support bracket.
Install the side accordion panels too with screws.
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Carefully lift the air conditioner with a helper and place it inside the open window.
Remove the backing and attach it to the top of the air conditioner case with included screws.
Cut a piece of 2 inch wide lumber as long as the measurement in step 2 and rip it to the height of the measurement in step 1.
Now have your assistant hold the window unit steady while you lower the open window.
There will be some support from the inside of the window but support on the outside of the window is also needed.
Step 5 slide the window down tight onto the air conditioner and spread the spacers out to close the gaps between the air conditioner and the window frame.
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Position the air conditioner in the window opening so the spacers rest on the inside edge of the window frame and tilt the air conditioner backward slightly to force condensation outside.
Line up the middle of the air conditioner with the mark you made earlier indicating the center of the window.
In addition it has a universal and a moderate size fitting into any windows thanks to its adjustable height.
Attach the top mounting rail strip.