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What is the average furnace lifespan?

Normal furnace noises

When it comes to your furnace, how long do you expect it to last? Ten years? Fifteen years? Twenty years?

The average furnace lifespan is quite challenging to determine since so many variables are involved. The type of furnace, the quality of the unit, how often you use it, and proper maintenance all play a role in how long your furnace will last. Keep reading as we walk you through this furnace lifespan guide and help you determine an average range for different types of furnaces. Hopefully, this will give you a better idea of what to expect from your furnace and help you plan for any future repairs without having to buy a furnace!

  • The average furnace lifespan is 15 to 20 years.
  • Electric furnaces tend to last longer than gas units.
  • If the unit is not sized correctly for the home It can reduce its lifespan.
  • There will be a sorter lifespan if the furnace was not installed correctly or if maintenance was ignored.
  • Incorrect thermostat settings will also wear out the furnace.
  • Evaluate your furnace before you replace it.
  • Extend the life of your furnace by having it serviced regularly.

Average Furnace Lifespan

The average lifespan of a furnace depends on factors such as the type, brand, and usage. Traditional furnaces that are not used for high-heat systems usually last about 15 to 20 years, whereas those used in extreme temperatures have a lifespan of around ten years or less.
Regular maintenance can significantly increase lifespan, ensuring you get the most out of your furnace. Taking preventative measures before problems pop up can save you money in the long run, as issues are easier and cheaper to fix when they are small. Regularly scheduled maintenance is essential if you want to ensure your furnace lasts its entire lifespan and beyond.

Factors That Reduce Furnace Life Expectancy

Furnaces have a finite lifetime, so you will inevitably need to replace your furnace at some point. Many factors can reduce the life expectancy of a furnace. Proper knowledge and understanding of each aspect can help ensure your furnace’s longevity and optimal performance.

Type of Furnace

The type of furnace you have will significantly affect its lifespan. Electric furnaces tend to last longer than gas furnaces, but this is also dependent on how often you use them and how well-maintained they are.

Furnace Size

If a furnace is too large, it won’t run long enough to reach the desired temperature. Constant starts and stops cause unnecessary wear and tear on components that can shorten the life expectancy of your unit. Installing an undersized unit can also cause problems since it may have to run more frequently to heat your home.

With a new Carrier gas furnace just like this one, your home will be set for a warm and comfortable winter ahead.

Poor Furnace Installation

Poor installation can also reduce the life of a furnace, as any design or material flaws will lead to inefficient use of energy and, therefore, more stress on the unit itself. You should consult a professional to ensure your furnace is installed correctly and safe.

Lack of Routine Maintenance

Furnaces require regular maintenance to run as efficiently and safely as possible. If you don’t promptly address issues, they can cause a decrease in the life expectancy of the unit. Addressing problems quickly is essential to ensure your furnace is serviced annually by a qualified professional.


Thermostat Settings

If you don’t set your thermostat correctly, it can wear down your furnace more and reduce its life expectancy. It is important to follow the manufacturer’s instructions for thermostat settings to maximize the life of your unit.

Programmable thermostats are a great way to ensure that your furnace is running efficiently and not overworking itself. These thermostats allow you to set temperatures based on the time of day to keep your home at optimal comfort levels while saving energy. Smart thermostats are even more advanced, allowing for remote access and customizable settings.

How Will I Know if It Is Time To Replace My Furnace?

Replacing a furnace is a big decision that requires careful consideration. Before you leap, it’s important to evaluate your options. Signs to look out for and key indicators that it may be time to replace your furnace include:

  • Persistent loud noises from the system.
  • Fluctuations in comfort or temperature levels.
  • An increase in energy bills.
  • If your current system has been running for more than 15 years, that could indicate it’s time for a replacement. When deciding if and when to replace your furnace, you should always seek the guidance of a trusted HVAC contractor who can counsel you on the most reliable long-term solution for your home.

    How To Extend Furnace Lifespan

    Extending the lifespan of a furnace can save time and money. You can do some simple things to get the most out of your furnace.

    One way to extend the life of a furnace is by regularly changing the air filter. Changing your air filter on a regular basis will prevent dust from being drawn into the system and causing damage to motors or burners. You should also schedule an annual inspection with a professional technician to detect any problems with your unit before they turn into larger issues.

    Lastly, ensure your home is adequately insulated, as this will keep the heat in and reduce any pressure placed on the furnace that could cause it to wear down prematurely. With these steps in place, you will be able to maximize your furnace’s lifespan and ensure it gives you reliable service for years to come.

    Where Do I Find a Furnace Near Me?

    The average lifespan of a furnace is 15-20 years, but several factors can reduce its life expectancy. Knowing the signs that indicate it is time to replace your furnace can save you money in the long run. By maintaining your furnace and changing the filter regularly, you can extend its lifespan and ensure it runs efficiently for as long as possible.

    If you have questions about furnaces or want assistance selecting a new furnace, contact King Heating, Cooling, and Plumbing today. Our team of experts is happy to help you find the right fit for your home.