What Is The Life Expectancy Of A Natural Gas Furnace
Estimates for the average lifespan of a gas furnace vary widely.
What is the life expectancy of a natural gas furnace. The following chart details the predicted life expectancy of appliances products materials systems and components. Know how to tell your furnace is at the end of its life and what to look for in a replacement. For homes located in florida and the surrounding coastal region please refer to internachi s florida estimated life expectancy chart for homes. The question is how many years can you reasonably expect a furnace to continue delivering warm air.
Typically the heat exchanger is the component which defines a furnace. Discover what ages a furnace and ways to extend its life. The average life expectancy of furnaces in homes today is between 16 and 20 years. Remember your furnace doesn t run on one component alone.
A gas furnace made in the early 1970s typically has an afue of about 65 percent. In older furnaces the heat exchanger was good for about up to 15 years with a high end expectancy of 20 years if regular maintenance was performed. Furnace life expectancy like any other product will vary greatly for a number of reasons. As long as you have scheduled yearly furnace maintenance your furnace should easily last over 15 years.
So to answer the question of what is the life span of a furnace one must define what the furnace is. The predicted lifespan for an electric furnace is 20 30 years while a gas furnace will last on average 10 15 years. Some furnaces last considerably longer than the statistical averages. The lowest efficiency allowed by law for new gas furnaces is 78 percent and some new models achieve 97 percent.
We have seen conventional forced air furnaces approaching 40 years of service. A good place to start is to compare your oil or natural gas furnace age to the national average. Some sources report the average lifespan of a gas furnace to be only 15 years. Here are some factors that will affect how long your furnace will last.
The life expectancy of mid and high efficiency furnaces is more difficult to predict since these systems have not been around as long as conventional furnaces. Between 15 and 20 years. If your furnace is getting older you may be wondering how long you can expect it to last. The average age for gas furnaces.
There are a number of contributing factors that determine the age a furnace reaches. So the answer to the question how long does a furnace last is complicated. While some furnaces can last over 40 years extremely rare the average lifespan of a typical gas furnace is around 15 30 years. The average furnace whether running on gas or electricity works using a collection of crucial parts.
The average service life of a gas furnace is about 15 years but the actual life span of an individual unit can vary greatly. If you follow.