Why should you replace your windows? Continue reading to learn 7 indicators that you need to replace your windows. Find out the advantages of windows as well as how much they cost. Learn how you can save money on energy-efficient windows. Read on to learn why you need new windows and what to look for when selecting a replacement. From the initial cost of replacement windows to their energy efficiency, we'll guide you through it all. Here are some reasons you may want to replace windows There are many reasons to replace your windows, including their age and appearance. In some cases, you may even want to do it for energy efficiency, since new windows can block 95% of the UV rays from the sun. Other times, your windows may be letting water in, which can cause mildew and mold to grow. Regardless of the reason, these windows can make a big difference to your home's comfort and energy efficiency. Seven signs you may need to replace your windows There are seven obvious signs that y...