Oh, no! Your furnace has totally stopped working! What the heck is going on? Do you need to call for emergency furnace repair? Wait a moment. While it would never be a safe or sensible choice to open up your furnace cabinet and start tinkering around, you might not need professional repairs just yet, either.
Before you do anything else, you should check on some basics. When your furnace simply isn’t running, or starts but immediately stops, follow this checklist to see if you can resolve the problem yourself.