If your furnace is near the end of its lifespan, you may be wondering if you need to replace it. Since a well-maintained furnace can last a decade or more past the average lifespan for its model, that can be a great question. Here are some signs that we look for when deciding whether to recommend replacement or repair to our customers.
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If you have adjusted your vents, but your home is still heating unevenly, you may have problems. Your furnace may be losing the ability to distribute heat throughout your house evenly
Your registers and vents look dirty
When your furnace begins to produce too much carbon dioxide, you may see increased amounts of sooty-looking dust in your home.
You have increased energy usage
In our area, this can be tricky because you could use your furnace ten days one winter and 40 days the following winter. However, if you notice an increased fuel usage over periods of similar demand, your furnace may be losing efficiency
Your furnace flame is yellow
Your gas furnace’s pilot light should be blue. If it is yellow, it can be a sign that it produces carbon monoxide or has a gas leak. If you notice this sign, discontinue use and immediately contact a repair service
You need frequent repairs
If you constantly have to fix your furnace, it is time to consider replacing your system
Your furnace is making loud noises
All furnaces make noise when they operate. However, if you hear unusual popping, booming, clicking, humming, rattling, or screeching noises, it may be time for a new furnace