Insert window insulating movie. Apply a thin crystal clear layer of plastic insulating movie for the window body with adhesive. Heat the movie having a hairdryer to tighten it. And in the summer? They continue to keep the heat out, so your AC isn't really chugging together all day long. https://acousticsecondaryglazing07158.xzblogs.com/77356598/the-ultimate-guide-to-windows