Your windows are a key part of your home—they let in light and also protect you from the outside elements. Though your windows are easy to forget about when it comes to your home’s maintenance and renovation, like most things, your windows need upkeep and work with time. If your windows are showing signs of aging or damage, it is time to let the professionals come to inspect and possibly replace them with better options. You can find the perfect design that is both beautiful and energy-efficient. Here are five signs that it is time to replace your home’s windows.