How do you fix a hole in the wall air conditioner?
A piece of fiberglass insulation with an R-factor of 13 should be placed in the opening from the outside. To fit the opening on the outside wall, you must cut a sheet of plywood. You can cover the plywood with shingles or siding.
Let's Get It Fixed!
HomeX virtual experts will assess your issue (for free!) and can resolve simple problems.