Furnace repair involves diagnosing and fixing issues with a heating system that provides warmth to homes during cold weather. Common problems include a malfunctioning thermostat, clogged filters, or issues with the furnace's ignition system. Regular maintenance can help prevent these issues and ensure efficient operation. When a furnace breaks down, it is essential to call a qualified technician for furnace repair. They can perform necessary repairs, such as replacing worn-out parts or cleaning components, to restore the system's functionality. Timely repairs can improve energy efficiency and extend the lifespan of the furnace.