Should you refinance your home? How to find out if it’s worth it Tags: HOUSTON – Over the last year, millions of Americans have refinanced their homes to save money by taking advantage of low interest rates. Those rates have ticked up over the last few weeks, making many wonder if refinancing is still worth it. 2020 interest rates vs. 2021 interest rates In November and December of 2020, you could get a 30-year mortgage for 2.5% interest. Now it’s up to 3.13% if you have excellent credit. Credit scores of 720 and higher will fetch the lowest rates. You need a credit score of at least 690 to be able to refinance.