How Long Does A Furnace Last Normally?

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How Long Does A Furnace Last Normally?

A furnace is one of the essential components of a home, so homeowners should be aware of their life expectancy. In general, it’s difficult to predict how long your furnace will last or when it has to be replaced. This is because different furnace models have different lifespans, and several other factors can also impact the typical lifespan of a furnace, even for comparable models.

However, this does not imply that you should stay and wait for everything to fall apart. Learn how long your furnace lasts and what factors influence the longevity of your furnace.

Lifespan Of a Furnace

A furnace has an average lifespan of 15-20. However, this might vary depending on how effectively it is maintained and serviced by a professional company. Some furnaces can last up to 30 years if properly maintained and serviced.

If your furnace still works but is more than ten years old, it may be time to consider replacing it with something more energy efficient. It’s vital to realize that as the furnace ages, it will require more repairs. If you’ve noticed anything wrong with your furnace recently, Contact a furnace repair in Pasadena before the problem worsens.

Factors Influencing The Lifespan Of Your Furnace

Size of Your Furnace

Your heating system must be the correct size for the load requirements of your home. If your furnace is too small for your space, it will constantly overwork and break down sooner.

If your furnace is too large for the room, it will experience more on-and-off cycles, increasing the likelihood of early repair and replacement. To avoid this problem, consult with your HVAC company about the appropriate size of furnace for your home needs.

Poor Installation

Poor installation is a significant factor that can lower the lifespan of your furnace. Incorrect installation affects furnace efficiency by roughly 30%. That causes the furnace to overwork to compensate for the lost efficiency, resulting in heating issues and early breakdowns.

As a result, to avoid these losses, ensure that your furnace is correctly installed. Proper installation will significantly improve the system’s efficiency and lifespan.

Lack of Maintenance

A regular furnace installation in Pasadena can address problems and keep your furnace operating at peak efficiency. The biggest reason for decreased efficiency and system failure is a lack of routine maintenance, so don’t put off regular maintenance because you believe it isn’t a worthwhile investment.

Managing minor issues today will help you avoid severe problems later. Fortunately, you can perform a few maintenance tasks on your own, but the more difficult ones will require the assistance of an expert.

System Stress

Excessive stress on the furnace reduces efficiency and may shorten the system’s lifespan. Extra stress is placed on the system when it is dirty and when it must maintain a temperature significantly different from the outside temperature. Reduce strain by keeping your home and furnace clean and installing a programmed thermostat that helps manage temperature more efficiently


Various factors might affect how long a furnace lasts. Regular care and attention can help your furnace last a long time and work well. Contact Loves Heating & Air Conditioning to schedule an appointment for a quality heating service in Pasadena.

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