The answer to 'how to maintain furnace repair' is to perform regular maintenance and inspections on your furnace to ensure it is running efficiently and safely. This includes cleaning or replacing air filters, checking for any cracks or damage, and scheduling annual tune-ups by a professional HVAC technician.
Proper furnace maintenance can extend its lifespan, improve energy efficiency, and prevent costly breakdowns. It's important to follow the manufacturer's recommendations and address any issues promptly to avoid more serious problems down the line.