Thanks for the quick response, so if its the element going bad we will probably need a new furnace? Or can the element alone be replaced? Also we don't have any back up heat, how likely is it to stop working out without warning? Should we fix it immediately or do you think we can get away with using...

Hello we have a Colman Evcon electric furnace model # eb15a, built/installed spring 1994, it recently started making a buzzing noise when the heat is on. It doesn't do it every time the unit kicks on but when it does do it it is very loud. We used a stethoscope and kinda narrowed it down to somewher...