You’ve decided to refresh your bedroom or living room, and you’re working on a plan—paint colors, light fixtures and a couple of pieces of new wall art. That begs the question: Should you stick with your current window treatments?

From a design aspect, window treatments add a finishing touch and bring a sense of cohesiveness to a space. They’re also extremely functional—enhancing daylight, blocking heat and glare, and even helping insulate a room. So it’s important to have blinds or shades that not only look great, but that work well, too.

Now’s the perfect opportunity to give your window treatments a careful once-over. If any of the following issues apply, it’s time to replace the old with the new.