Some sources report the average lifespan of a gas furnace to be only 15 years.
Carrier gas furnace life expectancy.
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 this reasoning your 30 year old appliance has already doubled its expected lifespan.
The life expectancy of any hvac system or equipment depends on the preventative maintenance and service performed on them as well as the type of equipment and your usage.
There are a number of contributing factors that determine the age a furnace reaches.
The quality of the equipment.
Electric or gas water heater life expectancy.
Other sources estimate that the average lifespan for a modern furnace is between 15 to 30 years.
Regardless of the logic you follow the 30 year mark is at or close to the maximum lifespan you should expect from your furnace.
Here are some factors that will affect how long your furnace will last.
A builder s grade unit may only last 8 to 12 years because it s not built as durably.
While some furnaces can last over 40 years extremely rare the average lifespan of a typical gas furnace is around 15 30 years.
Carrier furnaces offer a standard 10 year parts limited warranty.
Incorrect sizing poor quality installation and lack of routine maintenance are some of the biggest factors.
How often your furnace is used determines wear and tear to parts involved in.
Factors that reduce the life expectancy of a furnace there are a number of reasons why a perfectly well made furnace might fall short of its expected lifespan.