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What Is the Average Lifespan of a Furnace and When Do I Need to Replace It?

furnace maintenance service

Like any other appliance in your home, your furnace has a limited lifespan. Understanding the average lifespan of a furnace, the factors that influence its longevity and the signs that indicate it’s time for a replacement are all essential for ensuring your home remains cozy during the cold months. Here’s what you need to know.

The Average Lifespan of a Furnace

The average lifespan of a furnace varies depending on the type and how well it’s maintained. As a general guideline, a well-maintained gas or electric furnace typically lasts around 15 to 20 years. High-quality models can reach as many as 30 years with proper care.

Factors Affecting Furnace Lifespan

Several factors influence how long your furnace will continue to function efficiently, including:

  • Usage patterns. Frequent cycling and excessive heating demands can wear out a furnace faster.
  • Environmental conditions. Harsh environmental factors, like extreme cold or high humidity, can impact a furnace’s lifespan.
  • Type and quality of furnace. The type and quality of the furnace play a substantial role. High-efficiency models often have a longer lifespan.

Signs it’s Time to Replace Your Furnace

Recognizing the signs that you need a furnace replacement is crucial for avoiding unexpected breakdowns. Watch out for:

  • Frequent repairs. Frequent breakdowns and repair costs that start to add up can signal the need for a new furnace. A general rule is if the cost of a furnace repair is more than 50 per cent of the cost of a new furnace, a furnace replacement is best.
  • Unusual noises. Strange sounds, such as banging or whistling, can indicate mechanical issues.
  • Age. If your furnace is reaching the end of its average lifespan, it’s worth considering a replacement even if it’s still operational.

Extending Your Furnace’s Lifespan Through Regular Maintenance

To ensure your furnace reaches its full potential lifespan, regular maintenance is key. Here are some steps to extend your furnace’s life:

  • Annual inspections. Schedule annual furnace inspections by a professional HVAC technician to catch and address issues early.
  • Regular filter changes. Change the furnace filter every one to three months, depending on usage, to ensure proper airflow and reduce strain on the system.
  • Programmable thermostat. Install a programmable thermostat to reduce the furnace’s workload by maintaining consistent, energy-efficient temperatures.

Gas and Electric Furnace Replacement and Installation in Winnipeg

At Fair Service Heating and Air Conditioning Ltd., we carry a wide selection of gas and electric furnaces, and our furnace service, including replacement, installation and repair, will help your furnace live a long life. Contact us today to book an appointment.

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