There are a number of contributing factors that determine the age a furnace reaches.
Trane gas furnace life expectancy.
The life expectancy of a furnace depends on several factors.
Between 15 and 20 years.
If your furnace was correctly sized for your square footage and installed by a licensed technician you can expect a long lifespan.
The quality of the equipment.
Typical american standard furnace heat exchanger warranties are 20 or 40 years.
With regularly scheduled maintenance your furnace could last anywhere from 15 years up to 25 years.
Some sources report the average lifespan of a gas furnace to be only 15 years.
If you follow this reasoning your 30 year old appliance has already doubled its expected lifespan.
Other sources estimate that the average lifespan for a modern furnace is between 15 to 30 years.
Furnace life expectancy like any other product will vary greatly for a number of reasons.
The good news for those who choose to go with a trane ac unit is that these days the expected lifespan for the unit is 15 20 years.
The question is how many years can you reasonably expect a furnace to continue delivering warm air.
Air conditioning unit life expectancy.
Many owners elect to replace units closer to 10 15 in order to upgrade to a more efficient model.
A builder s grade unit may only last 8 to 12 years because it s not built as durably.