Ok, here is an easy and cheap thing you can do to improve the comfort and efficiency of your house in the winter. This applies mostly to houses with older windows and doors, but it will also improve newer ones as well by letting less heat escape. A plastic film that is like a shrink wrap and often known as “Window Film” can be applied to your drafty windows and doors. It can be purchased at mostly any home improvement store and is relatively cheap. It will more than pay …