“Why doesn't this unit work in a wall sleeve? I have a window unit in a wall sleeve, and it works like a charm. As long as the outside grill is removed from the sleeve, it should work fine.”

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• Thanks for your question, Panggie! This air conditioner FFRA1022R1 is not designed to work within a wall sleeve. Please, do not hesitate to contact us directly or via the Q&A forum on this website for any additional assistance. –Thanks!-

  Answered by FrigidaireSupport 8 years ago

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• This model is recommended for window installation only .

  Answered by CommunityAnswer 8 years ago

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