Home upgrading stores convey kits to insulate your AC unit, which subsume foam rubber strips that girlfriend into small spaces for a intimate fit. Hardware stores over foam insulation for pipes, most of the time in the plumbing section, which reduces "sweating" of the pipes in summer. These are as per usual accessible in various lengths, but you’ll only call for 3-4 ft. Be unavoidable to buy the insulation for a 2-inch pipe, approximately the same measurement as the bottom edge of a window.
Open the insulation where it is skedaddle and tax it along the bottom of the window. Check the sides: When you spread the accordian-like sides on the AC unit, be trusty they are not cracked or split, and that they disposed snugly. Replacement units are obtainable at most hardware stores.
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