Does Joule have a warranty? Ellen Kutscher Updated March 19, 2019 20:35 Joule comes with a one-year limited warranty. You can view the full details of the warranty here. Related articles My Joule is noisy or making unusual sounds Why is the LED on my Joule blinking and what does the light color mean? How do I find Joule's serial number? What is a factory reset, and how do I perform one? Did you purchase a used Joule? Comments 0 comments Article is closed for comments.