A furnace is a common home heating system. It’s so common, in fact, that most people don’t give it a second thought. To many, it’s just another mundane appliance that, for the most part, works the way you need it to. Until it doesn’t.
At some point, any furnace will need replacement. But because it’s a system you don’t pay much attention to, you may not know when it’s finally showing signs that its time is up. This is a question our heating technicians get a lot: when will my furnace need replacement? And how will I know it’s time?