Indoor Elements

How long does a furnace and air conditioner last and what is the warranty like on them?

Most new furnaces come with a 10 year manufacturer limited parts warranty and a 20 year manufacturer warranty on the heat exchanger which is the heart of the furnace, and the most expensive to repair or replace. The manufacturer offers the 20 year warranty on the heat exchanger because they know they will have very few failures of the heat exchanger within the 20 years.  Therefore, that is a fairly good gauge as to the life of the furnace, however proper installation and regular service can extend the life of the furnace.

Air conditioning units vary. Basic units will generally have a 5 year compressor warranty while better units, will come with up to 12 years of limited compressor warranty. The actual longevity of the a/c system depends on the maintenance and service the system receives.

Warranty information on heating and cooling units can be found by clicking the heating and cooling symbols below.

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