When a furnace has been running in your home for 20 years, a major repair bill forces a real question: are you fixing the system, or just paying to keep an old one alive a little longer?
We talk through that decision with homeowners regularly, and age is one of the most important factors we weigh when a costly repair is on the table.
Hear our team’s perspective in the video below.
How Long Should a Furnace Last?
We use 20 years as the standard expected lifespan for a furnace. Once a system hits that mark, it’s the threshold we use when evaluating whether further investment in the equipment makes sense.
Is It Worth Repairing a 20-Year-Old Furnace?
If a furnace that’s reached 20 years needs a repair costing thousands of dollars, we’d strongly encourage you to consider replacing it instead. Paying for a major repair at that stage essentially means you’re buying back a 20-year-old system—not extending the life of a reliable one. When the repair cost is significant and the equipment has already reached the end of its typical lifespan, investing in newer, more efficient equipment is usually the smarter path.
If you have questions this video doesn’t cover, AAA Furnace & Air Conditioning is available at (408) 521-1259 to talk through your furnace situation.