“Is a wall sleeve necessary to install a through the wall air conditioner? I don't have one with the air conditioner I have now.”

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• Yes, a sleeve is required to install a through the wall air conditioner - MAKE SURE YOU MEASURE to insure the AC unit and sleeve are compatible in size in all dimensions!

  Answered by pauloutdrz 11 years ago

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• Yes, a wall sleeve should be used for any wall installation.

  Answered by LG Digital Customer Care 12 years ago

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