Most homeowners know when something is going wrong with their furnaces. That’s because furnaces are helpful in that they let out warning signs when they’re struggling. Some of these signs include strange noises, weird smells, and decreased performance.
So what do most homeowners do when their furnace shows signs of suffering? Some people tend to put off calling for repairs as long as possible. When it comes to furnace repair there are some that definitely take priority over others. One of these is a cracked heat exchanger.