How To Seal Window Ac __exclusive__ (2026)

An unsealed window AC is one of the biggest energy wasters in a home. Not only does it let (making your AC work harder), but it also invites bugs, moisture, and mold .

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Is hot air or rain leaking around your window AC? Learn the step-by-step process to properly seal your unit for maximum efficiency and zero bugs. Summer is here, and you’ve just installed your trusty window AC unit. But wait—do you feel that? A warm draft sneaking in from the sides? Or maybe you noticed water dripping down the interior wall after a rainstorm. An unsealed window AC is one of the