At the end of each winter, you’ll want to assess your furnace and ask yourself if it is getting close to—or even reached—the end of its service life. If you think the furnace is too old, the spring and summer is a good time to have the new installation work done, since you won’t need to have the furnace keeping your home warm.
One of the key pieces of knowledge in deciding if a furnace needs a replacement is how old it is. But what does that age tell you? How long can you expect a furnace to last? The answer isn’t straightforward, since other factors come into play.