When your oil furnace starts acting up in the middle of winter, a reliable service call can save you from freezing pipes and costly repairs. A technician will check the burner, clean the heat exchanger, test the fuel pump pressure, and inspect the flue for blockages. Regular annual maintenance keeps your heating system running efficiently, lowers your fuel bills, and catches small issues before they become emergencies. It's a straightforward investment in comfort and peace of mind. oil furnace service