The Average Lifespan of a Furnace and How to Extend It
The Average Lifespan of a Furnace and How to Extend It. Knowing the average lifespan of a furnace will help you prepare for essential heating system upgrades in your St. Louis, MO, home. Although many HVAC professionals assert that furnaces last between 15 and 20 years, actual lifespans can vary quite a bit. How furnaces produce heat, how they’re installed, and how well their supporting ductwork is maintained are all important factors to consider. Read on to find out more. Fuel Combustion and Its Impact on Furnaces and Furnace Lifespans Most furnaces combust fuel to produce heat. These include oil-fired furnaces, natural gas-fired furnaces, and propane-fired furnaces. All others provide indoor heating solely through the use of electricity. Although fuel combustion doesn’t necessarily shorten the lifespans of furnaces, it can lead to greater wear and tear. This is especially true if these units aren’t correctly maintained. Furnaces that use combustion to produce heat also have more components than electric units, connected venting systems, and other factors that increase the likelihood of problems. Fortunately, no matter what type of furnace you own, you can always extend its lifetime through timely repairs and by scheduling annual maintenance service. How Long Do Gas-Fired...
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