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How Long Should a Furnace Last? Signs It’s Time to Replace

When homeowners ask how long a furnace should last, we always say it depends on maintenance, usage, and the quality of installation. If you’re thinking about heating in Framingham, you deserve a system that’s reliable, efficient, and built to handle New England winters. At Obie Comfort Solutions, we’ve helped countless families determine whether to repair or replace their furnace, and we’re here to help you make the right call for your home.

Average Furnace Lifespan

Most furnaces last between 10 and 15 years. If your system is within that range, it may still be running, but that doesn’t mean it’s running efficiently. As furnaces age, they lose efficiency, require more repairs, and cost more to operate. Even with regular maintenance, no furnace lasts forever.

If you live in Framingham, your furnace works hard through long, cold winters. That wear and tear adds up over time. Routine tune-ups can extend your system’s life, but eventually, replacement becomes the smarter financial decision.

Signs It’s Time to Replace Your Furnace

Not sure whether it’s time? Here are the biggest warning signs we tell our clients to watch for:

1. Rising Energy Bills

If your heating bills keep climbing but your usage hasn’t changed, your furnace may be losing efficiency. Older systems have to work harder to produce the same amount of heat, which means higher monthly costs.

2. Frequent Repairs

An occasional repair is normal. But if you’re calling for service every winter, those costs add up quickly. When repair bills start approaching half the cost of a new system, replacement is usually the better investment.

3. Uneven Heating

Are some rooms too hot while others stay cold? Uneven temperatures can signal that your furnace is struggling to distribute heat properly. While ductwork issues can sometimes be the cause, an aging furnace is often the culprit.

4. Strange Noises

Banging, rattling, or squealing noises are never a good sign. These sounds may indicate worn components, loose parts, or internal damage. As systems age, these issues become more common.

5. Yellow Pilot Light

If you have a gas furnace and notice the pilot light is yellow instead of blue, it could signal a ventilation or combustion issue. That’s something you should address immediately for safety reasons.

Repair or Replace: How to Decide

We always recommend considering your furnace’s age, repair history, and efficiency rating. If your system is between 10 and 15 years old and experiencing multiple issues, replacing it can save you money long term through lower energy bills and fewer repair calls.

Modern furnaces are far more energy-efficient than models from even a decade ago. Upgrading to a high-efficiency system can significantly reduce your heating costs while improving indoor comfort.

The Comfort You Deserve

Your furnace isn’t just another appliance—it’s what keeps your family warm and safe all winter long. If you’re unsure whether your system can handle another season, we will give you honest guidance and practical options that fit your budget and your home’s needs.

Call Obie Comfort Solutions today! We’re Not Comfortable Until You’re Comfortable!

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