Since you know how hard your furnace works to keep you cozy all winter, it’s no surprise that it won’t last forever. But you certainly don’t want furnace failure and the need for replacement to come as a sudden surprise. It can help to have a general idea of how long a furnace’s life can be. And while you definitely want to prolong that life and postpone replacing the furnace, you also don’t want to keep using a furnace that is a safety hazard, or one that has become so inefficient that it is costing you a lot more than it used to in energy usage.
How long can you expect your furnace to live, and how can you get the most out of it while avoiding excessive utility bills or safety risks? Here are some pointers.









