The answer to 'how to maintain furnace repair' is to perform regular maintenance and cleaning to ensure your furnace runs efficiently and safely. This includes changing the air filter every 1-3 months, cleaning the blower and burners annually, and scheduling a professional tune-up once a year.
Regular furnace maintenance helps extend the life of your system, reduces energy costs, and prevents unexpected breakdowns. It's also important to address any issues promptly, as small problems can quickly escalate into major repairs if left unattended.