Your oven should indicate the user, usually with a light on the control panel when it has reached the set temperature. It may take a while for your oven to cool. Fans are popular because of their versatility. They provide evenly distributed heat, faster cooking times, and many other benefits. https://ovens-hobs83445.ampedpages.com/can-a-built-in-single-gas-oven-and-grill-be-installed-in-your-kitchen-57943891