As autumn sets in, the days grow shorter, and a noticeable chill creeps into the air. Before winter fully arrives, now is the perfect time to prepare your home for colder temperatures. One of the most effective DIY projects you can undertake is window insulation. Drafty windows are a major source of heat loss in homes, leading to higher energy bills and uncomfortable living spaces. Fortunately, there are several easy and affordable ways to insulate your windows and keep the autumn chill at bay.