furnace maintenance plan 5

https://aged-wiki.win/index.php/Why_a_Furnace_Maintenance_Plan_Saves_You_More_Than_Just_Money

Keeping up with a furnace maintenance plan means scheduling a pro to inspect and clean your system each year, usually in the early fall before you really need it. They'll check the heat exchanger, burners, and flue, and swap out a dirty filter. It saves you from waking up to a freezing house on a cold morning and keeps your energy bills from spiking.