The answer to 'how long does furnace repair last' is that the duration of a furnace repair can vary significantly depending on the specific issue and the extent of the repair needed. Generally, a basic furnace repair such as replacing a thermocouple or air filter can last for several months to a year or more. More complex repairs, such as replacing a heat exchanger or blower motor, may last for several years before needing additional service. However, the overall lifespan of a furnace repair is heavily influenced by factors like the age and condition of the furnace, how well it is maintained, and how often it is used.
It's important to have a qualified HVAC technician inspect and service your furnace regularly to ensure it is operating safely and efficiently. With proper maintenance, many furnace repairs can provide long-lasting performance and reliability for your home.