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Serving Staten Island's Heating and A/C needs since 1950


Top Warning Signs Your Furnace Is Too Old


Your home’s furnace is an essential system to your home comfort, especially during the colder months, providing warmth and comfort to your family. However, like any appliance, furnaces have a lifespan. 

Recognizing the warning signs that indicate your furnace is too old can save you from unexpected breakdowns and discomfort. In this blog, we’ll explore the top warning signs that your furnace may be nearing the end of its serviceable life so you can start thinking ahead to when you’ll need a furnace replacement.

Rising Energy Bills

One of the earliest indicators that your furnace might be on its last legs is a noticeable increase in energy bills. As furnaces age, they become less efficient at converting fuel into heat, causing them to work harder and consume more energy to maintain the desired temperature in your home. Keeping track of your energy bills over time and noting any significant spikes can help you identify potential issues with your furnace’s efficiency.

Strange Noises

If you notice unusual noises coming from your furnace, it could be a sign that something is amiss. Common sounds associated with aging furnaces include banging, rattling, or squealing. These noises may indicate a range of problems, from loose or worn-out parts to impending mechanical failure. Ignoring these sounds could lead to more significant issues down the line, so it’s essential to address them promptly.

Uneven Heating

Do you find that certain rooms or areas of your home are consistently colder than others? As furnaces age, they may develop issues with their heating distribution systems, resulting in uneven heating. If you notice temperature variations from one room to another, it’s worth having us inspect your furnace to determine if age-related issues are to blame.

Frequent Repairs

Older furnaces often require more frequent repairs as their components wear out or fail. While minor repairs are to be expected from time to time, a pattern of increasing repair needs may indicate that it’s time to start considering a replacement.

Age of Furnace

Knowing the age of your furnace is crucial in assessing its condition and determining if it’s time for a replacement. Most furnaces have a lifespan of around 10-15 years, depending on factors such as maintenance and usage. If your furnace is approaching or exceeding this age range, it’s wise to start planning for a replacement, even if it’s still functioning adequately.

Health and Safety Concerns

Older furnaces can pose health and safety risks, particularly if they develop issues such as carbon monoxide leaks. Installing carbon monoxide detectors in your home and scheduling regular furnace maintenance can help mitigate these risks and ensure your family’s safety.


Recognizing the warning signs that your furnace is too old is essential for maintaining a comfortable and safe home environment. If you notice any of the warning signs, don’t hesitate to contact our team for a thorough inspection. Investing in a new furnace may seem daunting, but it’s ultimately worth it for the comfort, efficiency, and safety of your home and family.

Serving Staten Island’s Heating and A/C needs since 1955. Contact the Bob Mims team to schedule an appointment for furnace replacement in Staten Island, NY today!

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