Most units come with a long foam strip intended for the top of the unit. Go to product viewer dialog for this item. Duck Brand Window Air Conditioner Insulating Seal
From that day on, Tom made it a point to regularly inspect and maintain his AC unit's seal, ensuring that it continued to run efficiently and effectively throughout the summer months. how to seal a window ac unit
A proper seal ensures the AC operates efficiently and keeps your room comfortable. Most units come with a long foam strip