Windows are an important part of any home. Letting in natural light is important for both illuminating the space but also for promoting health. Unfortunately, windows are also a huge factor in home energy costs. How much of your hard-earned dollars go out the literal window every day in wasted heating and cooling costs? Unfortunately, a lot. Many homeowners opt to replace older, less energy-efficient windows with newer ones to try to save money, but that is also an expensive proposition, especially if there is another option. There is: window tinting.