Next, take your drywall knife score the outline. Also, score vertical lines above the wall studs. Then, use a hammer to knock the center of the scored drywall sections so that they pop out.
Alternatively, you could use a hand saw to cut through these pieces of drywall instead of hammering them out. Extract all of the drywall pieces so you now only see the wall studs. If there is insulation in the wall, cut those pieces out as well to match the opening you made in the wall. Using a circular saw, cut through the wall studs that are inside the wall opening so that they are flush with the outline. Then, cut those down to the matching lengths.
Slide this 2 x 4 frame you built into the wall opening and secure it in place by nailing what you can into the wall studs. Use a drill to make a hole in each of the four corners of the interior frame that punches through the exterior wall. These holes will serve as a guide to help you measure exactly where you need to cut on the exterior wall. With your pencil and a level, draw four straight lines to connect these drill holes on the exterior wall.
Then, using the circular saw, cut the exterior material so that you now have a perfect match between the interior and exterior holes.
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Edit this Article. We use cookies to make wikiHow great. By using our site, you agree to our cookie policy. Cookie Settings. Learn why people trust wikiHow. Question 1. All rights reserved. This image may not be used by other entities without the express written consent of wikiHow, Inc. Choose a wall and mark the studs and opening size for the sleeve. Wall sleeves are generally about 15 inches 38 cm tall, 26 inches 66 cm wide, and 16 inches 41 cm deep. Then, use a ruler or tape measure to measure and mark a rectangle on your wall that matches the size of your sleeve about 1—5 feet 0.
Installing the unit about 1—5 feet 0. Cut a space through the wall with a reciprocating saw. Cut along the lines you marked as cleanly and evenly as possible. Cut all the way through the inside and outside of the wall to create an opening that will hold your sleeve. Slide the sleeve into your wall and caulk the sides to seal it. If you have a disassembled sleeve, put it together by connecting all 4 sides and following the directions on the packaging. Slide the sleeve into the opening so the edges are flush against the inside of your wall.
Then, apply a silicone-based caulk along the edges and in any holes or gaps and allow it to fully dry to create a tight seal. Question 2. Slide the air conditioner into the sleeve. Lift the air conditioner and place the end into the wall sleeve. Push on the front of the unit to slide it into the sleeve.
Put foam into the gap around the unit and install your frame. Take strips of foam insulation and stuff them into the space to help seal it. Your inwall air conditioner unit also includes a frame that covers the front. Put together the frame of your air conditioner by connecting both sides together and then attach it to the front of the unit. You can find strips of foam at your local hardware or home improvement store.
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