Based on the wall type occasionally a header and footer are unnecessary.
Install window ac in wall sleeve.
Here s how i made a window opening in a bedroom to be used exclusively for an air conditioner.
Insert the device into its sleeve and secure it into the bracket.
And should something go wrong with your window a c unit our lowe s protection plan has you covered.
Plug the power cord into the closest electrical outlet.
A sleeve will also be required which is generally included when you buy a new unit.
If a sleeve is purchased separately make sure the measurements are accurate for both the unit and sleeve to get a good fit.
A header and footer are often built for the sleeve to take a seat in.
Place the unit into the sleeve and screw it in place.
It just has to be in proximity to the window.
The window air conditioner does not have to be on the window.
Summary the above is the basic steps to install a through the wall air conditioner sometimes call a window wall slide out air conditioner.
The vent pipes and fans work best if there is an opening on the wall.
Installing a through the wall air conditioner sleeve requires that you cut a hole through your wall create substantial support for the unit within the wall and then secure the sleeve to that support.
Use a stud finder to locate two adjacent stud bays that will provide enough room for the opening.
You can probably throw a small window unit into a wall sleeve place a cutout around it and not lose too much efficiency.
Caulk along the outside sleeve edges to prevent leaks.
Slide the metal sleeve bracket into the wall opening and secure it in place according to the instructional manual.
Power it on and test it.
As long as there s room for air to be drawn in and circulate and by that i mean more than a teeny tiny gap that may be doable.
Build a jamb box of 1 6 pre primed pine about 4 inches wider and 4 inches taller than the air conditioner required.