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Riley Heating & Air Blog

Is It Time to Replace Your Old Gas Furnace?


You may have heard tales of gas furnaces that managed to run for 30, 40, or even 50 years before going to the scrapyards. This has happened, but it’s incredibly rare and only occurred with old cast-iron furnaces that had poor energy efficiency and hazardous materials such as asbestos insulation in their pipes that canceled out the benefits of their longevity. 

Today, a well-cared for gas furnace can last from 15 to 20 years. If you have a furnace that is in this age range, this fall is a good time to consider having it replaced. But how can you know if this is really the year you need to have this done? We’ll walk you through some ways to tell that you need to replace your gas furnace.

Don’t let your furnace run until it fails

We want to get this out of the way upfront. If you think the best way to get the most out of your furnace is to simply run it until it won’t run anymore, please change your mind! Pushing a furnace to its final failure creates a higher risk of safety problems with it, and it will also result in you wasting money on increasingly inefficient performance and numerous repairs. Get ahead of your furnace breakdown and have it replaced before it starts to needlessly drain money and put your house in jeopardy.

Uneven heating

One of the biggest warnings that an old furnace is starting its last decline is when it leaves cold spots around the home. You may find the living room and master bedroom cozy, but other rooms farther along the ventilation system aren’t warming up enough. For a 15-year+ furnace, this often means it’s losing its heating capacity—it just can’t do the job it once did.

Expensive repairs

You can still call for repair service if your furnace malfunctions, but pay attention to the quote for the repair so you can compare it to the cost of a replacement. In general, we don’t recommend paying for a repair that’s more than half the cost of getting a new furnace. You can also use the “Rule of 5,000”: multiply the quote for the repair by the age of the furnace. If the amount is greater than 5,000, it’s not a worthwhile repair.

Noisy operation

When a furnace wears down past the point where it can operate effectively and efficiently, it will often start to make louder noises as it runs. Clanking, banging, clicking, and rattling are all examples of noises you may start to hear. A loud, old furnace is sending a message: “replace me!”

High heating bills

An aging furnace, even with excellent maintenance, will suffer from enough wear and tear that it will draw on more power to run than normal. When your energy bills for the winter seem to be rising out of control, your ancient furnace is a likely culprit.

When it comes to furnaces in Columbus, GA, Riley is the expert contractor to trust for a fast, quality replacement.

Call Riley Heating & Air if you think you need a new furnace. You Can Rely on Riley!

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