Luxury Heating & Air

How Long Does A Furnace Last?

Furnace Lifespan

A furnace lifespan is an important consideration for maintenance, budgeting, and planning future replacements. The average life of a furnace ranges between 15 to 30 years depending on the type of furnace, frequency of use, and maintenance.

In this guide, we’ll take a look at these factors in detail and share strategies you can implement to extend the lifespan of your furnace.
Key Takeaways:
Table of Contents

How Long Do Furnaces Last? Factors That Determine a Furnace Lifespan

1. Type of Furnace

The type of furnace you have plays a significant role in determining its longevity. Here are common types:

The average life of a gas furnace is typically 15 to 20 years. They are the most common type of furnaces due to their efficiency and the widespread availability of natural gas.

Electric furnaces can last from 20 to 30 years, generally longer than gas furnaces because they have fewer moving parts, which means less wear and tear.

An oil furnace life expectancy is between 15 to 25 years. They require more maintenance compared to gas and electric furnaces, which can affect their lifespan.

2. Quality of Installation

Improper installation can lead to numerous problems, including inefficient operation, more frequent repairs, and a shortened lifespan. Ensure that a qualified and experienced technician installs your furnace to optimize its performance and durability.

3. Frequency of Use

How frequently and intensely you use your furnace can impact its lifespan. Overworking a furnace can lead to premature wear and tear while underusing it can also cause issues such as the settling of dust and rust.

4. Maintenance Frequency

Regular maintenance is perhaps the most critical factor affecting a furnace’s lifespan. Annual inspections and routine maintenance can help identify and fix small problems before they become major issues, extending the furnace’s operational life.

5. Environmental Conditions

Environmental factors such as humidity, dust, and the cleanliness of the area where the furnace is installed can affect its efficiency and longevity. For instance, high humidity levels can lead to rust and other moisture-related damage.

Tips to Extend Furnace Lifespan

1. Regular Maintenance and Inspections

Have a professional HVAC technician perform annual maintenance before the winter season. This check-up includes cleaning the furnace, checking for parts that need repair or replacement, and ensuring that the system is running efficiently.
Clean or replace the furnace filters every one to three months, depending on usage and the type of filter. A clean filter improves air flow and efficiency, reducing strain on the furnace.

2. Upgrade the Thermostat

Installing a programmable or smart thermostat can significantly improve the efficiency of your furnace by optimizing heating times and durations based on your lifestyle. This reduces the workload on the furnace and extends its lifespan.

3. Ensure Proper Ventilation

Make sure that nothing is blocking the air intake and exhaust of your furnace. Good ventilation is crucial for efficient operation. Poor ventilation leads to overheating which can damage the unit over time.

4. Inspect and Seal Ductwork

Leaky or poorly insulated ductwork can force your furnace to work harder and longer to distribute heat throughout your home. Regularly inspecting and sealing ductwork enhances efficiency and reduces wear and tear.

5. Monitor Furnace Performance

Be attentive to signs of malfunction, such as strange noises, uneven heating, or unexpected increases in heating bills. Early detection of issues allows for timely repairs that can prevent more significant damage.

6. Professional Repairs

Always use qualified professionals for repairs. DIY repairs can often lead to more problems or even compromise the safety of your heating system.

Contact Luxury Heating & Air for Quality Furnace Installations

For top-quality furnace installations, call Luxury Heating & Air. With us, you’ll not only get a quality furnace that meets your needs and budget but also exceptional installation services for your peace of mind. Visit our showroom or contact us today for a free quote.