I had a through wall a/c for the past few years in my apartment. When it broke down this summer I removed it and ended up buying a window unit instead as it was cheaper and I am in a rental. However now winter is here and the plastic bag I covered the hole with is insufficient and letting in cold air.. how do I cover it properly and insulate the hole... https://www.askmehelpdesk.com/images...s/confused.gif