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Can A Furnace Last 50 Years? [Solved]

Although some furnaces can last more than 40 years (extremely rare), the average life of a furnace is around 15 to 30 years. As long as you have scheduled annual furnace maintenance, it should easily last over 15 years. Just like your car, your older furnace may need some basic repairs.19 May 2020

How Long Should You Keep Your Furnace?

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When Should HVAC Air Conditioner or Furnace be Replaced?

When

American furnace company over 50 year old gas furnace,going strong.

forced air.