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Expected Life Span Of A Furnace & How To Increase Performance

Jul 02, 2015

Furnace Home Improvement
Heated from a Lennox furnace this office and living area separated by sliding glass doors provides a welcoming environment.

Increase Performance

Like all things, furnaces have a life span. While this isn’t something that homeowners have to face very often, if you own or plan on purchasing an older home, this is something you might want to consider.

The life span of a furnace can be complex. While several parts and pieces in a furnace are replaceable, increasing its life by several years. However, if the furnace is old, keeping it in service might prove more costly than replacing it. This is due to the fact that newer units of all types are a lot more energy efficient as compared to older furnaces. The average lifespan of a furnace is approximately 15 years; however, it can range from 13 to 20 years. While the unit may last long, it is expected that your heating bills will increase than they used to be, as with age furnace will lose its efficiency.

But, there’s another side of the coin as well. A furnace can last longer than average life span if it’s maintained properly. Read on for a few things you can do to help increase the life of your furnace.

Furnace Maintenance

A clean and well-maintained furnace will last much longer than a furnace that has never been professionally serviced. At least once a year, you should get your HVAC inspected for its condition, clean any dust collected inside it and confirm its safety.

The technician will:

  • check each component, including the ductwork to ensure everything is operating properly.
  • check if the heat exchanger is cracked or corroded. A damaged heat exchanger can decrease the life of a furnace significantly. If your heat exchanger is damaged, contact a professional to see if its repairable. Replacement might not always be the most economical choice, because the total cost (cost of part + labor) may exceed the value of the heating system.
  • inspect your air filter. You can enhance the life of a furnace by keeping the air filter clean.

Check and clean your heating and cooling system’s filters once a year (more if you have pets or suffer from allergies). Running your unit with dirty filters will increase the heating and cooling cost as well as affect other components of the furnace.

Furnace Sizing

The size of your furnace also affects its life span. Units that are too big for a home are expected to wear out faster, especially in areas where winters are mild.

When To Replace Your Furnace

If you’re noticing rising heating bills, high repair costs, and extreme humidity in your house when your furnace is running, it may be time to replace your furnace. To learn more about the life span of furnaces, contact the team at Romaniuk Heating today.

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