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Yes! I used insulated foamboard to create a cover for the window. Cut a hole in it and sealed the vent attachment to it with silicone. I removed the screen and attached the foamboard the the window frame using 3m velcro tape. I can still crank the window closed when I want and leave it open when in use. Since it's held in by velcro I can remove it and store it in the winter.
Sorry, there was a problem. Please try again later.Hi MsParker, For this Insignia™ - 250 Sq. Ft. Portable Air Conditioner - White, it is highly recommended that you close all windows and doors when the air conditioner is turned on. This will keep the cool air inside the room and keep the temperature moderate. In addition to cooling efficiency, leaving the windows open will also put stress on the air conditioner. Insignia Products Lisa https://insigniaproducts.com
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