It’s a common question among new homeowners, people with aging furnaces, and those purchasing new ones: how long can I expect a furnace to last before I’ll have to replace it? It’s not a question with a very simple answer. Under the worst circumstances, a furnace might only survive for seven or eight years. In a best-case scenario, a furnace might last for more than twenty years!
We’ll get into some details here to help you understand how long different types of furnaces might last, and how to make sure they live as long as they can.
