If you’re looking to reduce your interest payments or get more favorable loan terms, there are lots of ways you can change your mortgage. But one of the most effective ways to take advantage of low interest rates is with a mortgage refinance. That said, refinancing typically comes with a variety of costs and may not be a good solution or all homeowners.

So how can you tell whether it’s a good idea to refinance your home? Here are three questions you need to ask yourself if you want to find out.