The oven should inform you typically by an indicator light on the control panel, when it is at its set temperature. It may take some time for your oven to cool down. Fans are popular because of their versatility. They offer even heat distribution, quicker cooking times, and other benefits. https://ovenshobs23262.uzblog.net/can-a-built-in-single-gas-oven-and-grill-be-installed-in-your-kitchen-45073735