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Help installing a window AC thru the wall

Blog entry by John Gray posted 385 days ago 1152 reads 0 times favorited 7 comments Add to Favorites Watch

I have a window AC unit and I want to install it in/thru the wall of my shop, conventional 2×4 wood stick framing. Does anyone have ideas/links to share about an installation of this type – framing, trimming inside and outside (outside is vinyl siding), and any other info? Thanks in advance!

-- Only the Shadow knows....................


7 comments so far

View joey's profile

joey

289 posts in 655 days


posted 385 days ago

its just like installing any window, you need to make sure you install a load bearing header first, leave enought room to freely slide the unit in, and out then trim it from the out side. I usally layout the hole on the inside of the room, then I cut the drywall, then cut out the studs and unstall a header and jacks. you might need to go a little larger to go from stud to stud, but thats all right on the inside just don’t cut the hole on the out side that big. Now that you have a header installed, frame in your opening to the size of your unit, then use a long drill bit to drill hole to the outside corners. the I go outside and cut the siding, I normally do this with a circular saw with a plywood blade and I install the blade backward, it will cut the vinyl siding by fiction and not grab it just go slow, or you can use a razor knife or some sheet metal cutters what ever you are comfortable with, after you have the siding cut thru you need to cut the sheathing with a saws all. You can use J mold to trim the siding. I would give myself enough room to try to use some type of seal for the AC to set on. on the in side just patch the drywall trim out the opening with some trim and your in in business. keep in mind window units only last so long and your next one more that likely will be a different size so having a bigger header installed saves the trouble of redoing that job in a few years when you put a bigger unit in or hopefully they will get smaller. hope some this helps.

-- Joey~~Sabina, Ohio http://sleepydogwoodworking.blogspot.com/

View GMman's profile

GMman

439 posts in 449 days


posted 385 days ago

you do as joey mentioned I pretty sure you cannot go wrong

-- Woodworking what a way to relax

View motthunter's profile

motthunter

2075 posts in 550 days


posted 385 days ago

make sure that you install it as far from where you make dust as possible. You also may want to consider doing something extra to pre-filter the air so that you don’t have to change the air conditioner filter every other minute.

-- making sawdust....

View Duckarrowtypes's profile

Duckarrowtypes

48 posts in 656 days


posted 384 days ago

I built a little support for mine out of 2×4 and then I attacked the wall with my reciprocating saw. Sealed with Great Stuff from a can. G H E T T O but very functional.

-- Custom Daguerreotypes from your images and more: www.shinyphotos.com

View EdC's profile

EdC

448 posts in 592 days


posted 384 days ago

Make sure to slope the unit a liitle towards the outside so the condenste will drain outdoors.

-- Ed - Milan, IN

View John Gray's profile

John Gray

1427 posts in 637 days


posted 360 days ago

Thanks everbody.

-- Only the Shadow knows....................

View John Gray's profile

John Gray

1427 posts in 637 days


posted 345 days ago

It’s installed and cooling my shop HARRAH!!!!!!!!

-- Only the Shadow knows....................

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