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The Benefits of Regular Maintenance for an Old Gas Furnace



As temperatures drop and winter approaches, it’s important to make sure that your gas furnace is running efficiently and safely. If your gas furnace is more than 15 years old, it is likely time to consider replacing it. Keep reading to learn more about the signs that it’s time to replace your old gas furnace.

Higher Gas Bills

One of the most common signs that it’s time to replace your old gas furnace is a dramatic increase in heating bills. If your utility bills have been steadily rising, even though you haven’t changed your energy usage habits, then it may be time to replace your furnace. Older furnaces are much less efficient than newer models and can cause your gas usage to skyrocket. As a result, your need for gas and your bills will begin to increase. Additionally, if you have an inefficient furnace, it will have to work harder than a newer model to maintain the same temperature, which can also cause your gas usage and bills to increase.

Frequent Repairs

If your old gas furnace is in need of frequent repairs, it may be time to consider replacing it. There are several signs that indicate your furnace may be on its last legs, and frequent repairs are one of the most telling. If you find yourself calling for repair services more than once a year, it’s likely that your furnace is in need of a replacement.

Another sign that it’s time to replace your old gas furnace is if the repairs are becoming increasingly expensive. As your furnace ages, the cost of repairs can start to add up. If you find yourself paying more and more each time you call for repair services, it may be time to invest in a new gas furnace.

A third sign that your old gas furnace needs to be replaced is if the repairs are not providing long-term solutions. If the same issue keeps coming up after each repair, it’s likely that the underlying issue is too severe for the repair to address. This is a sign that your furnace is beyond repair and needs to be replaced.

Inconsistent Indoor Temperatures


Inconsistent indoor temperatures are one of the most obvious signs that it is time to replace an old gas furnace. An aging furnace can become inefficient and struggle to keep a consistent temperature in the home, leading to areas that are too cold or too hot. This can be a major inconvenience, particularly during the winter months when it is important to have a warm home. Another issue can be the gas furnace running for longer periods of time in order to maintain the desired temperature. This can lead to an increase in energy costs and possible mechanical problems with the furnace.

Poor Pilot Light

A poor pilot light is one of the most common signs that it is time to replace your old gas furnace. The pilot light is a small flame that is used to ignite the gas from the main burner, and it is often located near the bottom of the furnace. It is important to keep the pilot light burning at all times, as it is the only way to make sure the furnace is producing heat. When the pilot light starts to flicker or become weak, it means that the flame is not burning hot enough to ignite the gas, which can cause the furnace to shut off.

Additionally, if the flame burns a yellow or orange color, then your furnace isn’t running efficiently, and it could also be producing carbon monoxide. You might also notice some soot around your furnace, condensation on windows, walls, and other cold surfaces, rust on your furnace and in other parts of your home, or no updraft in your furnace’s chimney. If these symptoms are due to an aging furnace, it might be time to consider a replacement.

It is essential to monitor the condition of your furnace regularly and watch for signs that it is time to replace it. Things such as a decrease in efficiency, increased repair costs, and increased gas bills could also indicate a failing old furnace. Failing to replace an old gas furnace can lead to potentially dangerous problems, such as carbon monoxide poisoning, and can also be costly in terms of energy bills.