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Lisa made the sock to have the exact rectangular opening of the AC unit on one end,, and the measured outer window frame on the outer edge. I used thin aluminum strips and VERY short sheet metal screws to fasten the "sock" to the AC unit. The outer edge has 1/4" bungee cord in a hem and one of those squeeze cinch thingies. There is two fabric layers with some insulating foam in between them to help (marginally) prevent air-to-air exchange.

  • Media owner Ray
  • Date added
Lisa made the sock to have the exact rectangular opening of the AC unit on one end,, and the measured outer window frame on the outer edge.

I used thin aluminum strips and VERY short sheet metal screws to fasten the "sock" to the AC unit. The outer edge has 1/4" bungee cord in a hem and one of those squeeze cinch thingies.

There is two fabric layers with some insulating foam in between them to help (marginally) prevent air-to-air exchange.
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