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Should I Repair or Replace My Furnace?

If you’ve had your furnace for a few years now, you may start to wonder when you should replace your furnace instead of repairing it again and again. This actually depends on a few different factors, and will vary slightly for each furnace. Here, we’ll cover the best indicators for whether you should repair your furnace or have it replaced.

Frequency of Repairs

Every heating system is going to experience issues after years of use. Even the best-maintained furnaces will breakdown every once in a while. However, there is a pretty big difference between one or two repairs a year and multiple repairs over a few months. When your furnace begins to breakdown more and more often, it’s a good sign that you need to replace it. If nothing else, it will probably save you money on repairs.

Heating Bills Go Up

As your furnace ages, the various parts that make up the system will begin to degrade from everyday use. This will eventually cause these parts to break down. Before that happens, however, they will slowly decline in their ability to perform their functions. This will cause your furnace to become less efficient over time, resulting in more energy consumed and higher heating bills. Of course, your heating bill is likely to fluctuate a little from month to month. Keep an eye out for a steady increase, though. This is a sign that your system might be reaching the end of its lifespan.


Age is one of those factors that’s a little difficult to put in perspective. The general rule is that if your furnace is older than fifteen years, it’s time to replace it. If the furnace is younger than that, you’re probably okay keeping it. This doesn’t mean that you should immediately replace your furnace as soon as it turns fifteen, however. Age should be considered along with the other factors affecting the furnace. If your furnace is older than fifteen and seems healthy, then go ahead and keep it. Be aware, though, that you could probably get a more efficient model for cheaper.

If you’re having problems with your furnace, call APC Plumbing & Heating. Our heating experts cover the entire Denver area.

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