Weirdly enough, verticals have the effect of working the opposite way during the cold months of winter
. How? By keeping heat from escaping through microscopic cracks in the windows in your home. Blinds create a nice buffer zone that keeps drafts at bay, too. Rooms tend to feel a whole lot cozier, and you won't have to run the heat on as high a setting as you otherwise would. In other words, you should save money on your heat bills, too; vertical blinds can save you money all year long!