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When you need to have multiple repairs done on your furnace within a short amount of time, chances are it is time to replace the furnace. Most repairs are required in the last two years of a furnace’s life and costs can total $500 or more.

The life expectancy for most furnaces is between 16-20 years. When homeowners reach the 15-year mark with their furnace, it is recommended that they begin the process of shopping for a new, upgraded replacement before the furnace actually dies.

It is sometimes difficult for people to know when their furnace isn’t performing at its optimum level. There are some common signs to look for when determining if it’s necessary for you to invest in a new furnace.

Pay attention if your gas or electric bills have suddenly increased. A sharp increase in energy costs may indicate that your furnace is working harder to keep rooms at what is a comfortable temperature.

Another major sign that it’s time to replace your furnace is having the heat exchanger or carbon monoxide barrier checked for cracks before every season. This is a common failure on older furnaces due to metal fatigue from expansion and contraction.

Just like a car, if the furnace doesn’t sound right, it’s likely something is wrong. If your furnace is suddenly making a new odd noise, it’s most likely ready to be replaced. Furnaces will often make strange noises right before they are about to give out.

Lastly, start examining the environment you live in. When furnaces become older, they are less able to provide a stable and comfortable environment. Having accessories installed such as humidifiers can help to add moisture to the air that the furnaces dry out. Installing high efficiency filtration systems can also help to ensure a cleaner environment in the home.

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