How long can a furnace last?
Although some furnaces may last more than 40 years (extremely rare), the average duration of a typical gas oven is about 15-30 years. While you have planned the annual maintenance of the oven, the oven should easily last more than 15 years.The average lifespan of a gas furnace is less than 30 years. If you schedule yearly furnace maintenance, you should be able to keep your furnace running for at least 15 years.
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